Multiple Choice (40%)

Size: px
Start display at page:

Download "Multiple Choice (40%)"

Transcription

1 AP Chemistry Test (Chapter 5) Please do not write on this test thank you! Multiple Choice (40%) 1) A sealed rigid container is filled with three ideal gases: A, B and C. The partial pressure of each gas is known. The temperature and volume of the system are known. What additional information is needed to determine the masses of the gases in the container? A) The average distance traveled between molecular collisions B) The intermolecular forces C) The volume of the gas molecules D) The total pressure E) The molar masses of the gases 2) Two balloons are at the same temperature and pressure. One contains only 14 g of nitrogen and the other contains only 20 g of argon. Which one is a false statement? A) The density of the nitrogen sample is less than the density of the argon sample. B) The average speed of the nitrogen molecules is the same as the average speed of the argon molecules. C) The average kinetic energy of the nitrogen molecules is the same as the average kinetic energy of the argon molecules. D) The volume of the nitrogen balloon is the same as the volume of the argon ballon. E) The number of molecules in the nitrogen balloon is the same as the number of atoms in the argon balloon. 3) A reaction produces a gaseous mixture of CO 2, CO and H 2 O (g). The mixture is analyzed and found to contain 0.60 mol CO 2, 0.30 mol CO and 0.10 mol H 2 O (g). If the total pressure of the mixture was 0.80 atm, what was the partial pressure of the CO? A) atm B) 0.34 atm C) 0.13 atm D) 0.24 atm E) 0.48 atm 4) Please determine the formula for a gaseous silane (Si n H 2n+2 ) if it has a density of 5.47 g/l at STP. A) SiH 4 B) Si 2 H 6 C) Si 3 H 8 C) Si 4 H 10 E) Si 5 H 12 5) A glass flask is filled at room temperature with an equal number of moles of H 2, O 2 and NO 2 gases. The gases slowly leak out through a pinhole leak in the cork of the flask. After some of the gas has effused, which one is true of the partial pressures of the gases remaining in the flask? A) H 2 < NO 2 < O 2 B) NO 2 < H 2 < O 2 C) H 2 = NO 2 = O 2 D) O 2 < NO 2 < H 2 E) H 2 < O 2 < NO 2

2 6) Which of the following best explains why a hot air balloon rises? A) The heat decreases the volume of the balloon; thus increasing its density. B) The heat decreases the volume of the balloon; thus decreasing its density. C) The heat increases the volume of the balloon; thus increasing its density. D) The heat increases the volume of the balloon; thus decreasing its density. 7) Which of the following conditions would be most likely to cause a gas to NOT behave ideally? I. High pressure II. High temperature III. Large volume IV. Nonpolar molecules V. Intermolecular attractions A) I, II, III, IV B) I, III, IV, V C) IV, V D) I, III, V E) I, V 8) N 2 gas was collected over water at 25 o C. If the vapor pressure of water at 25 o C is 23 mm Hg and the atmospheric pressure is 781 mm Hg, what is the partial pressure of the N 2 gas? A) 23 mm Hg B) 46 mm Hg C) 551 mm Hg D) 735 mm Hg E) 758 mm Hg 9) A gas sample is confined to a 5-L container. Which one will occur if the temperature of the container is increased? I. The kinetic energy of the gas will increase. II. The pressure of the gas will increase. III. The density of the gas will increase. A) I B) I, II, III C) I, II D) I, III E) II, III 10) What is the pressure in this stoppered flask if the atmospheric pressure is 765 mm Hg? 27 mm Hg A) 694 mm Hg B) 738 mm Hg C) 792 mm Hg D) 802 mm Hg

3 11) Which one is true? A) As the temperature of water increases, its vapor pressure increases because more B) As the temperature of water increases, its vapor pressure decreases because more C) As the temperature of water increases, its vapor pressure increases because less D) As the temperature of water increases, its vapor pressure decreases because less 12) Which one is false? A) Some gases exist at 0 o C. B) Some gases exist at 0 K. C) Some liquids exist at 0 o C. D) Solids exist at 0 K. E) Some solids exist at 0 o C. 13) Which one causes the bends as you ascend from a deep dive? A) Decreased external pressure causes increased solubility of gas in your blood. B) Increased external pressure causes increased solubility of gas in your blood. C) Decreased external pressure causes decreased solubility of gas in your blood. D) Increased external pressure causes decreased solubility of gas in your blood. 14) If you pack a sealed bottle of suntan lotion in your suitcase in Houston (sea level) & then fly to Colorado for a fun-filled ski trip, which one are you likely to observe when you arrive at the ski resort? A) The bottle will bulge inward & lotion will squirt out when you open it. B) The bottle will bulge inward & air will rush in when you open it. C) The bottle will bulge outward & lotion will squirt out when you open it. D) The bottle will bulge outward & air will rush in when you open it. 15) Which one would be most likely for H 2 O (l)? A) It can reach 115 o C at 1.5 atm. B) It can reach 115 o C at 0.8 atm. C) It can reach 115 o C at 1 atm. D) It can reach 100 o C at 0.8 atm. E) It can only reach 95 o C at 1.5 atm. 16) A beaker of water at room temperature (22 o C) is placed into a small, closed environment where the atmospheric pressure is 0 atm. Which one will occur? A) The water will boil until the vapor pressure prevents the liquid from boiling further. B) The water will boil until all the water has vaporized & the beaker is empty. C) The water molecules will not have enough kinetic energy to vaporize. D) The water will begin to boil when the vapor pressure increases. E) The water will only boil when heat is added to it.

4 17) The Lake Nyos tragedy is a sad example of which gas law? A) Charles B) Henry C) Boyle D) Graham E) Dalton 18) Which one is an example of Charles s Law? A) The pressure inside your lungs is the sum of the partial pressures of nitrogen, oxygen & carbon dioxide gases. B) Bubbles of gas exhaled by a diver at the bottom of the ocean expand as they rise to the surface of the ocean. C) Tires expand on a hot, August day in Texas. D) The pressure inside a light bulb increases as it gets hot. E) Perfume diffuses through the air. 19) A gas sample is confined to a rigid 5-L metal tank. Which one will occur if more gas is added to the tank? I) The pressure of the gas will increase. II) The volume of the tank will decrease. III) The temperature of the gas will increase. IV) The density of the gas will increase. A) I, II, V B) II, IV, V C) III, IV D) I, III, IV E) None of these will occur. 20) Which one occurs as the external pressure is increased on a sample of gas? A) Temperature and density increase. B) Temperature and density decrease. C) Temperature increases and density decreases. D) Temperature decreases and density increases. Problems (60%) Please show all your work for any credit. 1) A g sample of impure Mn 2 (CO 3 ) 5 is heated to decompose the Mn 2 (CO 3 ) ml CO 2 is collected over water at a temperature of o C. The gas is collected at an atmospheric pressure of 745 torr. Water has a vapor pressure of 55 torr at o C. What is the % Mn 2 (CO 3 ) 5 in the original impure sample? Mn 2 (CO 3 ) 5 Mn 2 O CO 2 2) 2 C 2 H 6 (g) + 2 NH 3 (g) + 3 O 2 (g) 2 C 3 H 3 N (g) + 6 H 2 O (l) What PO 2 is necessary to produce 1.88 g C 3 H 3 N in a ml flask at o C?

5 3) What is the molar mass of this gas? Mass of Erlenmeyer Flask Mass of Erlenmeyer Flask + Gas Mass of Gas Volume of Erlenmeyer Flask Temperature of Gas in Flask Barometric Pressure g g ml 182 o C 782 torr 4) What is the total pressure in this flask after the stopcock is opened & the gases are allowed to mix at a constant temperature? 1.33 L N L O atm 0.85 atm 5) Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide to decompose explosively according to the following reaction: 2 NaN 3 (s) 2 Na (s) + 3 N 2 (g) What mass of NaN 3 (s) must be reacted in order to inflate an air bag to 85.0 L if the air temperature inside the car is 22.0 o C with an atmospheric pressure of 773 mm Hg? 6) A g sample of a gaseous hydrocarbon occupies ml at 187 o C and 1.22 atm. The sample is burned in a combustion chamber (assume complete combustion) to produce g CO 2 and g H 2 O. What is the molecular formula of this gaseous hydrocarbon?

6 Problems (60%) #2 Please show all your work for any credit. 1) A g sample of impure Al 2 (CO 3 ) 3 is heated to decompose the Al 2 (CO 3 ) ml CO 2 is collected over water at a temperature of o C. The gas is collected at an atmospheric pressure of 775 torr. Water has a vapor pressure of 51 torr at o C. What is the % Al 2 (CO 3 ) 3 in the original impure sample? Al 2 (CO 3 ) 3 Al 2 O CO 2 2) 2 C 2 H 6 (g) + 2 NH 3 (g) + 3 O 2 (g) 2 C 3 H 3 N (g) + 6 H 2 O (l) During an experiment, a chemistry student observes that this reaction produces g H 2 O in a ml flask at o C. What is PC 3 H 3 N in the flask? 3) What is the molar mass of this gas? Mass of Erlenmeyer Flask Mass of Erlenmeyer Flask + Gas Mass of Gas Volume of Erlenmeyer Flask Temperature of Gas in Flask Barometric Pressure g g ml o C 728 torr 4) What is the total pressure in this flask after the stopcock is opened & the gases are allowed to mix at a constant temperature? mol N mol O atm 1.15 atm 5) Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide to decompose explosively according to the following reaction: 2 NaN 3 (s) 2 Na (s) + 3 N 2 (g) If 20.0 g of NaN 3 is ignited, what volume will the inflated air bag have if the air temperature inside the car is 22.0 o C with an atmospheric pressure of 773 mm Hg? 6) In an experiment, a g sample of a gaseous hydrocarbon is burned in a combustion chamber (assume complete combustion) to produce g CO 2 and g H 2 O. In another experiment, a different g sample of the gaseous hydrocarbon is analyzed. It occupies ml at 195 o C and 836 mm Hg. What is the molecular formula of this gaseous hydrocarbon?

7 AP Chemistry Test (Chapter 5) Name Multiple Choice (40%) 1) 11) 2) 12) 3) 13) 4) 14) 5) 15) 6) 16) 7) 17) 8) 18) 9) 19) 10) 20) Problems (60%) Please show all your work for any credit.

A) It cannot be predicted. B) It is squared. C) It is doubled. D) It is halved. E) It does not change.

A) It cannot be predicted. B) It is squared. C) It is doubled. D) It is halved. E) It does not change. AP Chemistry Test (Chapter 5) Class Set Multiple Choice (50%) 1) A sample of argon gas is sealed in a container. The volume of the container is doubled at a constant temperature. What happens to the pressure

More information

Please do not write on this test. Please use the answer sheet.

Please do not write on this test. Please use the answer sheet. AP Chemistry Test (Chapter 5) Multiple Choice (50%) Please do not write on this test. Please use the answer sheet. Form: Snowboard 1) A sample of argon gas is sealed in a rigid metal tank. The temperature

More information

Please do not write on this test. Please use the answer sheet. 1) Please choose all conditions that would allow a gas sample to behave ideally.

Please do not write on this test. Please use the answer sheet. 1) Please choose all conditions that would allow a gas sample to behave ideally. AP Chemistry Test (Chapter 5) Please do not write on this test. Please use the answer sheet. Multiple Choice (50%) 1) Please choose all conditions that would allow a gas sample to behave ideally. I) Nonpolar

More information

Honors Chemistry Unit 7 Gas Laws Notes

Honors Chemistry Unit 7 Gas Laws Notes Honors Chemistry Unit 7 Gas Laws Notes Kinetic Molecular Theory 1. List the five assumptions: Assumption Description Extra Info 1 Basically means: the particles themselves have compared to the space between

More information

Name /74. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Name /74. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Ch 11 Gases STUDY GUIDE Accelerated Chemistry SCANTRON Name /74 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements

More information

Unit 8: Gases and States of Matter

Unit 8: Gases and States of Matter Unit 8: Gases and States of Matter Gases Particles that have no definite shape or volume. They adapt to the shape and volume of their container. Ideal gases are imaginary gases that comply with all the

More information

Chapter 12. The Gaseous State of Matter

Chapter 12. The Gaseous State of Matter Chapter 12 The Gaseous State of Matter The air in a hot air balloon expands When it is heated. Some of the air escapes from the top of the balloon, lowering the air density inside the balloon, making the

More information

Kinetic Molecular Theory imaginary Assumptions of Kinetic Molecular Theory: Problems with KMT:

Kinetic Molecular Theory imaginary Assumptions of Kinetic Molecular Theory: Problems with KMT: AP Chemistry Ms. Ye Name Date Block Kinetic Molecular Theory Explains properties of gases, liquids, and solids in terms of energy using an ideal gas, an imaginary which fits all the assumptions of kinetic

More information

A. What are the three states of matter chemists work with?

A. What are the three states of matter chemists work with? Chapter 10 and 12 The Behavior of Gases Chapter 10 The States of Matter A. What are the three states of matter chemists work with? Section 10.1 Pg 267 B. We will explain the behavior of gases using the

More information

Name Chemistry Pre-AP

Name Chemistry Pre-AP Name Chemistry Pre-AP Notes: Gas Laws and Gas Stoichiometry Period Part 1: The Nature of Gases and The Gas Laws I. Nature of Gases A. Kinetic-Molecular Theory The - theory was developed to account for

More information

Each gas sample has the same A) density B) mass C) number of molecules D) number of atoms

Each gas sample has the same A) density B) mass C) number of molecules D) number of atoms 1. A real gas behaves most like an ideal gas at A) low pressure and high temperature B) average potential energy of its particles C) ionization energy of its particles D) activation energy of its particles

More information

Name: Class: Date: SHORT ANSWER Answer the following questions in the space provided.

Name: Class: Date: SHORT ANSWER Answer the following questions in the space provided. CHAPTER 11 REVIEW Gases SECTION 1 SHORT ANSWER Answer the following questions in the space provided. 1. Pressure =. For a constant force, when the surface area is tripled the pressure is (a) doubled. (b)

More information

Unit 14 Gas Laws Funsheets

Unit 14 Gas Laws Funsheets Name: Period: Unit 14 Gas Laws Funsheets Part A: Vocabulary and Concepts- Answer the following questions. Refer to your notes and the PowerPoint for help. 1. List 5 different common uses for gases: a.

More information

Under ideal conditions, the rates at which different gases diffuse (spread out) are proportional to their molar masses.

Under ideal conditions, the rates at which different gases diffuse (spread out) are proportional to their molar masses. Chemistry Ms. Ye Name Date Block Graham s Law of Diffusion- Under ideal conditions, the rates at which different gases diffuse (spread out) are proportional to their molar masses. In other words, gas molecules

More information

You should be able to: Describe Equipment Barometer Manometer. 5.1 Pressure Read and outline 5.1 Define Barometer

You should be able to: Describe Equipment Barometer Manometer. 5.1 Pressure Read and outline 5.1 Define Barometer A P CHEMISTRY - Unit 5: Gases Unit 5: Gases Gases are distinguished from other forms of matter, not only by their power of indefinite expansion so as to fill any vessel, however large, and by the great

More information

Chapter 5: Gases 5.1 Pressure Why study gases? An understanding of real world phenomena. An understanding of how science works.

Chapter 5: Gases 5.1 Pressure Why study gases? An understanding of real world phenomena. An understanding of how science works. Chapter 5: Gases 5.1 Pressure Why study gases? An understanding of real world phenomena. An understanding of how science works. A Gas Uniformly fills any container. Easily compressed. Mixes completely

More information

General Properties of Gases

General Properties of Gases GASES Chapter 13 Importance of Gases Airbags fill with N 2 gas in an accident. Gas is generated by the decomposition of sodium azide,, NaN 3. 2 NaN 3 ---> > 2 Na + 3 N 2 THREE STATES OF MATTER General

More information

2. Calculate the ratio of diffusion rates for carbon monoxide (CO) and carbon dioxide (CO2). υa = MB = 44 = 1.25

2. Calculate the ratio of diffusion rates for carbon monoxide (CO) and carbon dioxide (CO2). υa = MB = 44 = 1.25 Gas laws worksheet (2-08) (modified 3/17) Answer key Graham s Law 1. Calculate the ratio of effusion rates for nitrogen (N2) and neon (Ne). υa = MB = 20 = 0.845 υb MA 28 2. Calculate the ratio of diffusion

More information

CP Chapter 13/14 Notes The Property of Gases Kinetic Molecular Theory

CP Chapter 13/14 Notes The Property of Gases Kinetic Molecular Theory CP Chapter 13/14 Notes The Property of Gases Kinetic Molecular Theory Kinetic Molecular Theory of Gases The word kinetic refers to. Kinetic energy is the an object has because of its motion. Kinetic Molecular

More information

4. Using the kinetic molecular theory, explain why a gas can be easily compressed, while a liquid and a solid cannot?

4. Using the kinetic molecular theory, explain why a gas can be easily compressed, while a liquid and a solid cannot? Name Period HW 1 Worksheet (Goals 1-4) - Kinetic Molecular Theory 1. Describe how gases, liquids, and solids compare using the following table. Solids Liquids Gases Volume (definite or indefinite) Molecular

More information

Boyle s Law Practice

Boyle s Law Practice Boyle s Law Practice Boyle s Law is an indirect relationship. Most of these problems can be done in your head without showing your work. 1. Herman has 30.0 L of helium gas trapped in a cylinder by a piston.

More information

Question McGraw-Hill Ryerson Limited

Question McGraw-Hill Ryerson Limited Question 1 Which of the following cannot be explained by considering the empty space between the particles of a gas? A) Gases are more compressible than liquids. B) Gases have lower viscosities than liquids.

More information

Gas Law Worksheets - WS: Boyle s and Charles Law

Gas Law Worksheets - WS: Boyle s and Charles Law Gas Law Worksheets - WS: Boyle s and Charles Law Boyle s Law states that the volume of a gas varies inversely with its pressure if temperature is held constant. (If one goes up the, other goes down.) We

More information

Funsheet [WHAT IS PRESSURE AND TEMPERATURE] Gu 2015

Funsheet [WHAT IS PRESSURE AND TEMPERATURE] Gu 2015 Funsheet 7.0 7.1 [WHAT IS PRESSURE AND TEMPERATURE] Gu 2015 1. Convert the following pressures. a) 101 kpa =? atm b) 55 Torr =? psi c) 60. mmhg =? bar d) 45 Torr =? kpa e) 5 psi =? atm f) 0.0056 atm =?

More information

Accelerated Chemistry Study Guide Chapter 13: Gases

Accelerated Chemistry Study Guide Chapter 13: Gases Accelerated Chemistry Study Guide Chapter 13: Gases Terms, definitions, topics Diffusion Kinetic Molecular Theory Atmospheric pressure Barometer Manometer STP Absolute zero Page 1 of 42 Molar volume Partial

More information

Chemistry Chapter 11 Test Review

Chemistry Chapter 11 Test Review Chemistry Chapter 11 Test Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Pressure is the force per unit a. volume. c. length. b. surface area.

More information

Section 5.1 Pressure. Why study gases? An understanding of real world phenomena. An understanding of how science works.

Section 5.1 Pressure. Why study gases? An understanding of real world phenomena. An understanding of how science works. Chapter 5 Gases Section 5.1 Pressure Why study gases? An understanding of real world phenomena. An understanding of how science works. Copyright Cengage Learning. All rights reserved 2 Section 5.1 Pressure

More information

Chapter 5. Nov 6 1:02 PM

Chapter 5. Nov 6 1:02 PM Chapter 5 Nov 6 1:02 PM Expand to fill their containers Fluid motion (they flow) Have low densities (1/1000 the density of equivalent liquids or solids) Compressible Can Effuse and Diffuse Effuse: The

More information

Worksheet 12 - Partial Pressures and the Kinetic Molecular Theory of Gases

Worksheet 12 - Partial Pressures and the Kinetic Molecular Theory of Gases Worksheet 12 - Partial Pressures and the Kinetic olecular Theory of Gases Dalton's Law of Partial Pressures states that the sums of the pressures of each gas in the mixture add to give the total pressure

More information

Name Hour. The Behavior of Gases. Practice B

Name Hour. The Behavior of Gases. Practice B Name Hour The Behavior of Gases Practice B B 1 Objective 1: Apply Boyle s Law, Charles s Law, and Gay-Lussac s Law to solve problems involving pressure and volume and temperature. 1. A high-altitude balloon

More information

NOTES: Behavior of Gases

NOTES: Behavior of Gases NOTES: Behavior of Gases Properties of Gases Gases have weight Gases take up space Gases exert pressure Gases fill their containers Gases are mostly empty space The molecules in a gas are separate, very

More information

(for tutoring, homework help, or help with online classes)

(for tutoring, homework help, or help with online classes) www.tutor-homework.com (for tutoring, homework help, or help with online classes) 1. Which statement is inconsistent with the kinetic theory of an ideal gas? 1. The forces of repulsion between gas molecules

More information

Behavior of Gases Chapter 12 Assignment & Problem Set

Behavior of Gases Chapter 12 Assignment & Problem Set Behavior of Gases Name Warm-Ups (Show your work for credit) Date 1. Date 2. Date 3. Date 4. Date 5. Date 6. Date 7. Date 8. Behavior of Gases 2 Study Guide: Things You Must Know Vocabulary (know the definition

More information

CP Chapter 13/14 Notes The Property of Gases Kinetic Molecular Theory

CP Chapter 13/14 Notes The Property of Gases Kinetic Molecular Theory CP Chapter 13/14 Notes The Property of Gases Kinetic Molecular Theory Kinetic Molecular Theory of Gases The word kinetic refers to. Kinetic energy is the an object has because of its motion. Kinetic Molecular

More information

Chapter 5 TEST: Gases

Chapter 5 TEST: Gases Chapter 5 TEST: Gases 1) Gases generally have A) low density B) high density C) closely packed particles D) no increase in volume when temperature is increased E) no decrease in volume when pressure is

More information

Chemistry 101 Chapter 5 GAS MIXTURES

Chemistry 101 Chapter 5 GAS MIXTURES GAS MIXTURES Consider mixing equal volumes of 3 different gases, all at the same temperature and pressure in a container of the same size. 1 L He 1 L N 2 1 L O 2 1 L mixture t = 0 0 C t = 0 0 C t = 0 0

More information

Chemistry Chapter 12. Characteristics of Gases. Characteristics of Gases 1/31/2012. Gases and Liquids

Chemistry Chapter 12. Characteristics of Gases. Characteristics of Gases 1/31/2012. Gases and Liquids Importance of Gases Chemistry Chapter 12 Gases and Liquids Airbags fill with N 2 gas in an accident. Gas is generated by the decomposition of sodium azide, NaN 3. 2 NaN 3 ---> 2 Na + 3 N 2 THREE STATES

More information

Kinetic Molecular Theory

Kinetic Molecular Theory Kinetic Molecular Theory Name Period Unit 7 HW 1 Worksheet (Goals 1 & 2) 1. Describe how gases, liquids, and solids compare using the following table. Volume (definite or indefinite) Molecular Motion (high,

More information

Unit 9: Gas Laws REGENTS CHEMISTRY

Unit 9: Gas Laws REGENTS CHEMISTRY Name: Unit 9: Gas Laws REGENTS CHEMISTRY 1 Name: Unit 9: Gas Laws The concept of an ideal gas is a model to explain the behavior of gases. A real gas is most like an ideal gas when the real gas is at low

More information

Gilbert Kirss Foster. Chapter 10. Properties of Gases The Air We Breathe

Gilbert Kirss Foster. Chapter 10. Properties of Gases The Air We Breathe Gilbert Kirss Foster Chapter 10 Properties of Gases The Air We Breathe Chapter Outline 10.1 The Properties of Gases 10.2 Effusion and the Kinetic Molecular Theory of Gases 10.3 Atmospheric Pressure 10.4

More information

Dr. Rogers Chapter 5 Homework Chem 111 Fall 2003

Dr. Rogers Chapter 5 Homework Chem 111 Fall 2003 Dr. Rogers Chapter 5 Homework Chem 111 Fall 2003 From textbook: 7-33 odd, 37-45 odd, 55, 59, 61 1. Which gaseous molecules (choose one species) effuse slowest? A. SO 2 (g) B. Ar(g) C. NO(g) D. Ne(g) E.

More information

PSI Chemistry: Gases Multiple Choice Review

PSI Chemistry: Gases Multiple Choice Review PSI Chemistry: Gases Multiple Choice Review Name Kinetic Molecular Theory 1. According to the kinetic-molecular theory, particles of matterare in constant motion (A) have different shapes (B) have different

More information

Chemistry HP Unit 6 Gases. Learning Targets (Your exam at the end of Unit 6 will assess the following:) 6. Gases

Chemistry HP Unit 6 Gases. Learning Targets (Your exam at the end of Unit 6 will assess the following:) 6. Gases Chemistry HP Unit 6 Gases Learning Targets (Your exam at the end of Unit 6 will assess the following:) 6. Gases 6-1. Define pressure using a mathematical equation. 6-2. Perform calculations involving pressure,

More information

Name Unit 9 Notes: Gas Laws Period. Complete throughout unit. Due on test day!

Name Unit 9 Notes: Gas Laws Period. Complete throughout unit. Due on test day! Name Unit 9 Notes: Gas Laws Period Skills: 1. Gases and Entropy 2. Distinguish between Ideal and Real gases 3. Understand KMT and Avogadro s Law 4. Identify and Solve Boyle s Law Problems 5. Identify and

More information

Section 8.1 Properties of Gases Goal: Describe the kinetic molecular theory of gases and the units of measurement used for gases.

Section 8.1 Properties of Gases Goal: Describe the kinetic molecular theory of gases and the units of measurement used for gases. Chapter 8 Gases Practice Problems Section 8.1 Properties of Gases Goal: Describe the kinetic molecular theory of gases and the units of measurement used for gases. Summary: In a gas, particles are so far

More information

Name: Chapter 13: Gases

Name: Chapter 13: Gases Name: Chapter 13: Gases Gases and gas behavior is one of the most important and most fun things to learn during your year in chemistry. Here are all of the gas notes and worksheets in two packets. We will

More information

8.1 Properties of Gases. Goal: Describe the Kinetic Molecular Theory of Gases and the units of measurement used for gases.

8.1 Properties of Gases. Goal: Describe the Kinetic Molecular Theory of Gases and the units of measurement used for gases. Gases Chapter 8 Chapter 8 8.1 - Properties of Gases 8.2 Pressure and Volume (Boyle s Law) 8.3 Temperature and Volume (Charles Law) 8.4 Temperature and Pressure (Guy-Lussac s Law) 8.5 The Combined Gas Low

More information

Gases Chapter 8. Chapter 8

Gases Chapter 8. Chapter 8 Gases Chapter 8 Chapter 8 8.1 - Properties of Gases 8.2 Pressure and Volume (Boyle s Law) 8.3 Temperature and Volume (Charles Law) 8.4 Temperature and Pressure (Guy-Lussac s Law) 8.5 The Combined Gas Low

More information

Gases. Chapter 8. Chapter 8. Gases Properties of Gases. We are surrounded by gases, but we are often

Gases. Chapter 8. Chapter 8. Gases Properties of Gases. We are surrounded by gases, but we are often Gases Chapter 8 8.1 Properties of Gases Goal: Describe the Kinetic Molecular Theory of Gases and the units of measurement used for gases. Chapter 8 8.1 - Properties of Gases 8.2 Pressure and Volume (Boyle

More information

States of Matter Review

States of Matter Review States of Matter Review May 13 8:16 PM Physical States of Matter (Phases) Solid Liquid Melting Gas Condensation Freezing Evaporation Deposition Sublimation Sep 13 6:04 PM 1 May 13 8:11 PM Gases Chapter

More information

Practice Packet Unit 8: Gases

Practice Packet Unit 8: Gases Name: Regents Chemistry: Practice Packet Unit 8: Gases www.chempride.weebly.com Vocabulary: Absolute Zero: Avogadro s Hypothesis: (Normal) Boiling Point: Direct Relationship: Evaporating: Gas: Ideal Gas:

More information

Basic Concepts of Chemistry Notes for Students [Chapter 10, page 1] D J Weinkauff - Nerinx Hall High School. Chapter 10 Gases

Basic Concepts of Chemistry Notes for Students [Chapter 10, page 1] D J Weinkauff - Nerinx Hall High School. Chapter 10 Gases Basic Concepts of Chemistry Notes for Students [Chapter 10, page 1] Chapter 10 Gases We have talked a little about gases in Chapter 3 and we dealt briefly with them in our stoichiometric calculations in

More information

Kinetic-Molecular Theory of Matter

Kinetic-Molecular Theory of Matter Gases Properties of Gases Gas Pressure Gases What gases are important for each of the following: O 2, CO 2 and/or He? A. B. C. D. 1 2 Gases What gases are important for each of the following: O 2, CO 2

More information

Chemistry Honors - Gases

Chemistry Honors - Gases Name: Class: Date: ID: A Chemistry Honors - Gases Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Why does a can collapse when a vacuum pump removes air

More information

Kinetic Molecular Theory Gases. Behavior of gases. Postulate two. Postulate one. Postulate three. Postulate four

Kinetic Molecular Theory Gases. Behavior of gases. Postulate two. Postulate one. Postulate three. Postulate four Kinetic Molecular Theory Gases Gas particles are so small that their individual volume can be considered to be negligible Gas particles are in constant motion and the collisions of the particles with the

More information

THE GAS STATE. Unit 4. CHAPTER KEY TERMS HOME WORK 9.1 Kinetic Molecular Theory States of Matter Solid, Liquid, gas.

THE GAS STATE. Unit 4. CHAPTER KEY TERMS HOME WORK 9.1 Kinetic Molecular Theory States of Matter Solid, Liquid, gas. Unit 4 THE GAS STATE CHAPTER KEY TERMS HOME WORK 9. Kinetic Molecular Theory States of Matter Solid, Liquid, gas Page 4 # to 4 9. Boyles Law P α /V PV = Constant P V = P V Pressure Atmospheric Pressure

More information

Gas Pressure. Pressure is the force exerted per unit area by gas molecules as they strike the surfaces around them.

Gas Pressure. Pressure is the force exerted per unit area by gas molecules as they strike the surfaces around them. Chapter 5 Gases Gas Gases are composed of particles that are moving around very fast in their container(s). These particles moves in straight lines until they collides with either the container wall or

More information

Chapter 11: Gases: Homework: Read Chapter 11. Keep up with MasteringChemistry and workshops

Chapter 11: Gases: Homework: Read Chapter 11. Keep up with MasteringChemistry and workshops C h e m i s t r y 1 2 C h a p t e r 11 G a s e s P a g e 1 Chapter 11: Gases: Homework: Read Chapter 11. Keep up with MasteringChemistry and workshops Gas Properties: Gases have high kinetic energy low

More information

Practice MC Test unit D (Ch 10) Gas Laws (pg 1 of 10)

Practice MC Test unit D (Ch 10) Gas Laws (pg 1 of 10) Practice MC Test unit D (Ch 10) Gas Laws (pg 1 of 10) This is practice - Do NOT cheat yourself of finding out what you are capable of doing. Be sure you follow the testing conditions outlined below. DO

More information

Lab Dates. CRHS Academic Chemistry Unit 11 Gas Laws Notes

Lab Dates. CRHS Academic Chemistry Unit 11 Gas Laws Notes Name Period CRHS Academic Chemistry Unit 11 Gas Laws Notes Quiz Date Lab Dates Exam Date Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic Chemistry Website: https://cincochem.pbworks.com

More information

Honors Chemistry - Problem Set Chapter 13 Classify each of these statements as always true, AT; sometimes true, ST; or never true, NT.

Honors Chemistry - Problem Set Chapter 13 Classify each of these statements as always true, AT; sometimes true, ST; or never true, NT. Honors Chemistry - Problem Set Chapter 13 Classify each of these statements as always true, AT; sometimes true, ST; or never true, NT. 1. Atmospheric pressure is 760 mm Hg. 2. The SI unit of pressure is

More information

4.) There are no forces of attraction or repulsion between gas particles. This means that

4.) There are no forces of attraction or repulsion between gas particles. This means that KINETIC MOLECULAR (K-M) THEORY OF MATTER NOTES - based on the idea that particles of matter are always in motion - assumptions of the K-M Theory 1.) Gases consist of large numbers of tiny particles that

More information

Gas Laws V 1 V 2 T 1. Gas Laws.notebook. May 05, T = k P 1 V 1 = P 2 V 2. = 70 kpa. P. V = k. k = 1 atm = kpa

Gas Laws V 1 V 2 T 1. Gas Laws.notebook. May 05, T = k P 1 V 1 = P 2 V 2. = 70 kpa. P. V = k. k = 1 atm = kpa Gas Laws At constant temperature, all gases behave the same when compressed As increasing pressure is applied to a gas in a closed container, the volume of the gas decreases he product of pressure and

More information

CHM 111 Unit 5 Sample Questions

CHM 111 Unit 5 Sample Questions Name: Class: Date: As you work these problems, consider and explain: A. What type of question is it? B. How do you know what type of question it is? C. What information are you looking for? D. What information

More information

Example: 25 C = ( ) K = 298 K. Pressure Symbol: p Units: force per area 1Pa (Pascal) = 1 N/m 2

Example: 25 C = ( ) K = 298 K. Pressure Symbol: p Units: force per area 1Pa (Pascal) = 1 N/m 2 Chapter 6: Gases 6.1 Measurements on Gases MH5, Chapter 5.1 Let s look at a certain amount of gas, i.e. trapped inside a balloon. To completely describe the state of this gas one has to specify the following

More information

Dalton s Law How is the total pressure of a mixture of gases related to the partial pressures of the component gases?

Dalton s Law How is the total pressure of a mixture of gases related to the partial pressures of the component gases? Dalton s Law Chapter 4 The Behavior of Gases 4. Properties of Gases 4. The Gas Laws 4. Ideal Gases Dalton s Law How is the total pressure of a mixture of gases related to the partial pressures of the component

More information

Gases. Chapter 5: Gas Laws Demonstration. September 10, Chapter 5 Gasses.notebook. Dec 18 10:23 AM. Jan 1 4:11 PM. Crushing 55 gallon drum

Gases. Chapter 5: Gas Laws Demonstration. September 10, Chapter 5 Gasses.notebook. Dec 18 10:23 AM. Jan 1 4:11 PM. Crushing 55 gallon drum Chapter 5: Gases Dec 18 10:23 AM Gas Laws Demonstration Crushing 55 gallon drum Egg in a bottle Student in a bag Boiling Water Charles gas Law Water in a flask Ballon in a bottle Jan 1 4:11 PM 1 5.1 Pressure

More information

Simple Gas Laws. To facilitate comparison of gases, the following standards are used: STP: O C (273 K) and kpa. SATP: 25 C (298 K) and 101.

Simple Gas Laws. To facilitate comparison of gases, the following standards are used: STP: O C (273 K) and kpa. SATP: 25 C (298 K) and 101. Simple Gas Laws To facilitate comparison of gases, the following standards are used: STP: O C (273 K) and 101.3 kpa If assuming 1 mol, V = 22.4L SATP: 25 C (298 K) and 101.3 kpa If assuming 1 mol, V =

More information

Unit 9 Packet: Gas Laws Introduction to Gas Laws Notes:

Unit 9 Packet: Gas Laws Introduction to Gas Laws Notes: Name: Unit 9 Packet: Gas Laws Introduction to Gas Laws Notes: Block: In chemistry, the relationships between gas physical properties are described as gas laws. Some of these properties are pressure, volume,

More information

Elements that exist as gases at 25 o C and 1 atmosphere H 2, N 2, O 2, F 2, Cl 2, He, Ne, Ar, Kr, Xe, Rn

Elements that exist as gases at 25 o C and 1 atmosphere H 2, N 2, O 2, F 2, Cl 2, He, Ne, Ar, Kr, Xe, Rn AP Chemistry Chapter 5 Sections 5. 5.9 Note Organizer Pressure, The Gas Laws of Boyle, Charles, and Avogadro, The Ideal Gas Law, Gas Stoichiometry, Dalton s Law of Partial Pressure, The Kinetic olecular

More information

Chapter 13 Gases and Pressure. Pressure and Force. Pressure is the force per unit area on a surface. Force Area. Pressure =

Chapter 13 Gases and Pressure. Pressure and Force. Pressure is the force per unit area on a surface. Force Area. Pressure = Chapter 13 Gas Laws Chapter 13 Gases and Pressure Pressure and Force Pressure is the force per unit area on a surface. Pressure = Force Area Chapter 13 Gases and Pressure Gases in the Atmosphere The atmosphere

More information

World of Chemistry Notes for Students [Chapter 13, page 1] Chapter 13 Gases

World of Chemistry Notes for Students [Chapter 13, page 1] Chapter 13 Gases World of Chemistry Notes for Students [Chapter 3, page ] Chapter 3 Gases ) Sec 3.8 Kinetic Theory of Gases and the Nature of Gases The Kinetic Theory of Matter says that the tiny particles in all forms

More information

To convert to millimeters of mercury, we derive a unit factor related to the equivalent relationship 29.9 in. Hg = 760 mm Hg.

To convert to millimeters of mercury, we derive a unit factor related to the equivalent relationship 29.9 in. Hg = 760 mm Hg. Example Exercise 11.1 Gas Pressure Conversion Meteorologists state that a falling barometer indicates an approaching storm. Given a barometric pressure of 27.5 in. Hg, express the pressure in each of the

More information

Practice Packet Unit 8: Gases

Practice Packet Unit 8: Gases Regents Chemistry: Mr. Palermo Practice Packet Unit 8: Gases Vocabulary: Lesson 1: Lesson 2: Lesson 3: Study Guide: 1 Vocabulary For each word, provide a short but specific definition from YOUR OWN BRAIN!

More information

Chapter 9 Gases: Their Properties and Behavior

Chapter 9 Gases: Their Properties and Behavior Chapter 9 Gases: Their Properties and Behavior 國防醫學院生化學科王明芳老師 2011-11-15 & 2011-11-22 Chapter 9/1 Gases and Gas Pressure Gas mixtures are homogeneous and compressible. Air-the mixture of gases. Molecular

More information

Chemistry A Molecular Approach. Fourth Edition. Chapter 5. Gases. Copyright 2017, 2014, 2011 Pearson Education, Inc. All Rights Reserved

Chemistry A Molecular Approach. Fourth Edition. Chapter 5. Gases. Copyright 2017, 2014, 2011 Pearson Education, Inc. All Rights Reserved Chemistry A Molecular Approach Fourth Edition Chapter 5 Gases Supersonic Skydiving and the Risk of Decompression Gas Gases are composed of particles that are moving around very fast in their container(s).

More information

Completed ALL 2 Warm-up IC Kinetic Molecular Theory Notes. Kinetic Molecular Theory and Pressure Worksheet

Completed ALL 2 Warm-up IC Kinetic Molecular Theory Notes. Kinetic Molecular Theory and Pressure Worksheet Name: Unit 10- Gas Laws Day Page # Description IC/HW Due Date Completed ALL 2 Warm-up IC 1 3 5 Kinetic Molecular Theory Notes IC 1 6 8 Kinetic Molecular Theory and Pressure Worksheet IC 2 9 10 Gas Law

More information

Name: Date: Per: Boyle s Law =

Name: Date: Per: Boyle s Law = Boyle s Law = 1) If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be? 2) I have added 15 L of

More information

2. Pressure Conversions (Add to your Conversion Sheet

2. Pressure Conversions (Add to your Conversion Sheet The Gas Law Reference Sheet 1. The Kelvin Temperature Scale Degrees Kelvin = C + 273 Convert to K 1) 27 C 2) 0. C 3) 48 C 4) 16 C 5) 106 C 2. Pressure Conversions (Add to your Conversion Sheet 1 mm Hg

More information

Chapter 6 10/14/13. Gas Law. Volume change with temperature and pressure.

Chapter 6 10/14/13. Gas Law. Volume change with temperature and pressure. Chapter 6 10/14/13 Gas Law 1. Properties of a Gas a. Neither definite shape nor volume i. Uniformly fills any container i Exerts pressure on surroundings Volume change with temperature and pressure. b.

More information

of Gases Airbags fill with N 2 gas in an accident. Gas is generated by the decomposition of General Properties

of Gases Airbags fill with N 2 gas in an accident. Gas is generated by the decomposition of General Properties BEHAVIOR OF GASES Chapter 12 1 Importance of Gases 2 Hot Air Balloons How Do They Work? 3 Airbags fill with N 2 gas in an accident. Gas is generated by the decomposition of sodium azide,, NaN 3. 2 NaN

More information

Gases. Name: Class: Date: Matching

Gases. Name: Class: Date: Matching Name: Class: Date: Gases Matching Match each item with the correct statement below. a. Boyle's law d. Graham's law b. Charles's law e. Gay-Lussac's law c. Dalton's law f. ideal gas law 1. For a given mass

More information

Gas Laws Chapter 14. Complete the following pressure conversion. Be sure to show how units cancel.

Gas Laws Chapter 14. Complete the following pressure conversion. Be sure to show how units cancel. Gas Laws Chapter 14 Complete the following pressure conversion. Be sure to show how units cancel. 1 atm = 760 mm Hg = 760 torr = 101.3 kpa = 14.7 psi = 1.013 bar 1. The air pressure for a certain tire

More information

Gases. Edward Wen, PhD

Gases. Edward Wen, PhD Gases Edward Wen, PhD Properties of Gases expand to completely fill their container take the shape of their container low density much less than solid or liquid state compressible when pressure is changed.

More information

AP TOPIC 6: Gases. Revised August General properties and kinetic theory

AP TOPIC 6: Gases. Revised August General properties and kinetic theory AP OPIC 6: Gases General properties and kinetic theory Gases are made up of particles that have (relatively) large amounts of energy. A gas has no definite shape or volume and will expand to fill as much

More information

Chemistry 1B Chapter 10 Worksheet - Daley. Name

Chemistry 1B Chapter 10 Worksheet - Daley. Name Name 1) The National Weather Service routinely supplies atmospheric pressure data to help pilots set their altimeters. The units the NWS uses for atmospheric pressure are inches of mercury. A barometric

More information

Boyle s Law Practice Problems Name:

Boyle s Law Practice Problems Name: Boyle s Law Practice Problems Name: 1. If a gas at 25.0 C occupies 3.60 L at a pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm? 2. 500.0 ml of a gas is collected at 745.0 mm Hg.

More information

Expand to fill their containers, are highly compressible, have extremely low densities.

Expand to fill their containers, are highly compressible, have extremely low densities. Chem150 week6 Handout 1 Gases Characteristics of Gases: Unlike liquids and solids, they Expand to fill their containers, are highly compressible, have extremely low densities. Pressure is the amount of

More information

Substances that are liquids or solids under ordinary conditions may also exist as gases. These are often referred to as vapors. Properties of Gases

Substances that are liquids or solids under ordinary conditions may also exist as gases. These are often referred to as vapors. Properties of Gases Common Student Misconceptions Students need to be told to always use temperature in Kelvin in gas problems. Students should always use units in gas-law problems to keep track of required conversions. Due

More information

Determination of R: The Gas-Law Constant

Determination of R: The Gas-Law Constant Determination of R: The Gas-Law Constant PURPOSE: EXPERIMENT 9 To gain a feeling for how well real gases obey the ideal-gas law and to determine the ideal-gas-law constant R. APPARATUS AND CHEMICALS: KClO

More information

More Practice with Gas Laws KEY

More Practice with Gas Laws KEY More Practice with Gas Laws KEY Chemistry Directions: For each question, identify the applicable law and solve for the correct answer using dimensional analysis. Express your answer to the correct number

More information

States of Matter. Q 7. Calculate the average of kinetic energy, in joules of the molecules in 8.0 g of methane at 27 o C. (IIT JEE Marks)

States of Matter. Q 7. Calculate the average of kinetic energy, in joules of the molecules in 8.0 g of methane at 27 o C. (IIT JEE Marks) Q 1. States of Matter Calculate density of NH 3 at 30 o C and 5 atm pressure Q 2. (IIT JEE 1978 3 Marks) 3.7 g of a gas at 25 o C occupied the same volume as 0.184g of hydrogen at 17 o C and at the same

More information

UNIT 10 - GASES. Notes & Worksheets - Honors

UNIT 10 - GASES. Notes & Worksheets - Honors Ideal Gas Equation 1 WKSHT 1.) What is the pressure exerted by 2.0 moles of an ideal gas when it occupies a volume of 12.0 L at 373 K? 2.) A flashbulb of volume 2.6 cm 3 contains O 2 gas at a pressure

More information

Chapter 13. Gases. Copyright Cengage Learning. All rights reserved 1

Chapter 13. Gases. Copyright Cengage Learning. All rights reserved 1 Chapter 13 Gases Copyright Cengage Learning. All rights reserved 1 Section 13.1 Pressure Why study gases? An understanding of real world phenomena. An understanding of how science works. Copyright Cengage

More information

Unit 8: Kinetic Theory Homework Packet (90 points)

Unit 8: Kinetic Theory Homework Packet (90 points) Name: Key Period: By the end of Unit 8, you should be able to: Kinetic Theory Chapter 13-14 4. Define kinetic theory of gases including collisions 5. Define pressure, including atmospheric pressure, vapor

More information

GASES. Unit #8. AP Chemistry

GASES. Unit #8. AP Chemistry GASES Unit #8 AP Chemistry I. Characteristics of Gases A. Gas Characteristics: 1. Fills its container a. no definite shape b. no definite vol. 2. Easily mixes w/ other gases 3. Exerts pressure on its surroundings

More information

Chapter 10: Gases. Characteristics of Gases

Chapter 10: Gases. Characteristics of Gases Chapter 10: Gases Learning Outcomes: Calculate pressure and convert between pressure units with an emphasis on torr and atmospheres. Calculate P, V, n, or T using the ideal-gas equation. Explain how the

More information

Chapter 11. Recall: States of Matter. Properties of Gases. Gases

Chapter 11. Recall: States of Matter. Properties of Gases. Gases Chapter 11 Gases Recall: States of Matter Solids and Liquids: are closely related because in each case the particles are interacting with each other Gases: Properties of Gases Gases can be compressed Gases

More information

Ch. 14 The Behavior of Gases

Ch. 14 The Behavior of Gases Ch. 14 The Behavior of Gases 14.1 PROPERTIES OF GASES Compressibility Compressibility: a measure of how much the volume of matter decreases under pressure Gases are easily compressed because of the spaces

More information

Chemistry 20 Unit 2 Gases FITB Notes. Topic A Characteristics of Gases

Chemistry 20 Unit 2 Gases FITB Notes. Topic A Characteristics of Gases Chemistry 20 Unit 2 Gases FITB Notes General Outcome: Topic A Characteristics of Gases We use technologies that were designed with the knowledge of the visible characteristics ( ) of gases ex. SCUBA equipment,

More information