Save this PDF as:
 WORD  PNG  TXT  JPG

Size: px
Start display at page:

Download ""

Transcription

1 Graham s Law of Diffusion 1. Dalton s law of partial pressure is not applied for 1) N CO ) NO O 3) CO O ) O, N. vessel contains Helium and Methane in : 1 molar ratio at 0 bar pressure. Due to leakage, the mixture of gases starts effusion. So the composition of mixture effused in the initial stage 1) 8 : 1 ) : 1 3) 1 : 1 ) 1 : Hint: r M r M Consider two flasks connected by a stopcock. One flask has a volume of 50 ml and contains Neon gas at 650 torr and the other flask has a volume of 300 ml and contains O (g) at 85 torr. If the stopcock is opened so that the two gases mix, calculate the partial pressure of Neon gas 1) 95 torr ) 50 torr 3) 75 torr ) 00 torr Hint: of Neon= pxv of neon/total volume. The ratio of rate of diffusion of He and Methane gases at given temparature is 1) :1 ) 1 : 3) 1: ) :1 r Hint; 1 M r M 1 5. The principle involved in the separation of Uranium isotopes is 1) Dalton s law ) Graham s law 3) Charles s law ) oyle s law

2 6. gm of Helium diffuses through a porous membrane in certain time the mass of sulphur dioxide that diffuses through the same porous membrane in the same time under similar conditions is 1) 8gm ) 16gm 3) gm ) gm w w Hint: 1 M1 M 7. vessel contains hydrogen and oxygen in the volume ratio : 1. Due to a hole in the vessel the gas is effusing out. The volume ratio of H and O that is effusing out initially is 1) 1 : 8 ) : 1 3) 8 : 1 ) 5600 : 1 Hint: r M r M 1 1 1, p is proportional to n 8. vessel contains equal moles of Helium and sulphurdioxide. Due to a hole in the vessel half of the initial number of moles in the vessel effused out the molar ratio of helium and sulphurdioxide in the residual gas in the vessel is 1) 1 : 1 ) 1 : 3) : 1 ) 1 : r Hint: 1 M,The molar ratio of residual gases is R:R1 r M 1 9. Vapour pressure of water at 60C is 300 m.m. 1 litre of vessel contained carbon dioxide saturated with water vapour at 60C at a total pressure of 760 torrs. The contents of the vessel are completely transferred in to a lit vessel at the same temperature the partial pressure of oxygen, water vapour and the total pressure in the second vessel are respectively (in mm) 1) 30 : 150 : 380 ) 380 : 150 : 530 3) 80 : 300 : 380 ) 90 : 600 : 150

3 Hint: 1 V,aqueous tension remains same at given temparature 10. vessel contains of equal weights of He, CH, O and SO gases at ST conditions the order of partial pressure of the gases 1) 3) He CH O ) SO He CH O SO He CH O ) SO CH SO He O Hint: artial pressure number of moles 11. Equal volumes of b and He measured under the same conditions of temperature and pressure are mixed and transferred into a one litre vessel at the same temperature. Then the partial pressures of H and He are related as 1) H He He ) H 3) H Hint: artial pressures are in the ratio of their mole fractios. He H ) 1. 50ml of SO diffused through a porous membrane is 16sec under the similar conditions 500ml of an unknown gas is diffused in 8sec. The unknown gas may be 1. H ) He 3) CH ) O v1t M Hint: v t M Two vessels of identical volumes were separately filled with CH at atm and O at 1atm pressure at a constant temperature. The ratio of rates of diffusion CH to O is 1 ) 1. Mixing of two gases by diffusion is 1 He 1 3) ) 1Reversible ) Exothermic 3) Irreversible ) Endothermic

4 15. The pressure of saturated water vapour at 5C is.8 m.m. t 100C the pressure of saturated water vapour will be 19. m.m. ) 31.6 m.m. 3) 760 m.m. ) 316 m.m. 16. mong the following gaseous elements, which will have greater rate of diffusion? [Z = atomic number] 1) Z = 7 ) Z = 8 3) Z = 9 ) Z = Dalton s law of partial pressure is not applicable to 1 CO CO ) CO Cl 3) N H ) CO Cl ml of hydro carbon having the molecular weight 16 diffuses in 1.5 min. under similar conditions, the time taken by 10 ml of SO to diffuse is 1) min ) 1.5 min 3) 1 min ) 1.75 min 19. ccording to Graham s law at a given temperature the ratio of rate of diffusion 1. r r M M of gases and is given by 1/ M ) M 1/ 3) M M 0. Which one of the following gas has highest diffusion rate? 1/ ) M M 1) Fluorine (at. Wt = 19) ) Neon (at. Wt = 0) 3) Chlorine (at. Wt = 35.5) ) Oxygen (at. Wt = 16) 1. Helium diffuses twice as fast as another gas. The gas may be 1) Oxygen ) Methane 3) Neon ) SO. Which is lighter than dry air? 1) Moist air ) SO 3) Cl ) N 3. gaseous mixture contains 56g of N, g of CO and 16g ofch. If the total pressure of the mixture is 70 mm of Hg then the partial pressure of CH is 1)180 mm ) 360 mm 3) 50 mm ) 70 mm 1/

5 . 0.5 gm of H gas diffused through a porous pot in 10 minutes. Under the same conditions how many grams of oxygen will diffuse through the same pot? 1)0.15 gm ) 1 gm 3) gm ) gm 5. The ratio of rates of diffusion of SO, O and CH is 1.1 : : ) 1 : : 3) : : 1 ) 1 : : 6) 50ml of gas diffuses through a membrane in the same times as 0ml of a gas under identical pressure temperature conditions. If the molecular weight of is 6, then molecular weight of would be 1)100 ) 50 3) 00 ) xml of H gas effuses through a hole in a container in 5 seconds. The time taken for the effusion of the same volume of the gas specified below under identical conditions 1)10 seconds, He ) 0 seconds, O ) 5 seconds, CO ) 55 seconds, CO 8. Equal weights of two gases of molecular weight and 0 are mixed. The pressure of the mixture is 1.1 atm. The partial pressure of the lighter gas is this mixture is 1) 0.55 atm ) 0.11 atm 3) 1 atm ) 0.11 atm 9. lit of SO gas at 760 mm of Hg transferred to 10 lit flask containing oxygen at a particular temperature. The partial pressure of SO in the flask is 1) mm of Hg ) 15 mm of Hg 3) 760 mm of Hg ) 1330 mm of Hg 30. gm of Helium diffuses from a porous membrane in minutes. How many grams of CH would diffuse through the same membrane in same time under similar conditions 1) 8 gm ) gm 3) 16 gm ) gm

6 31. t what temperature will the rate of diffusion of N be 1.6 times the rate of diffusion of SO at 7C? 1) 336C ) 7C 3) 63C ) 50C Hint: r T M r M T In a gaseous mixture at 5 atmospheric pressure, 30% of molecules ofco, 0% of molecules of N and the rest oxygen. The partial pressure of oxygen in the mixture is 1)11.5 atmosphere ) atmosphere 3) 1. atmosphere ) 1.6 atmosphere 33. Equal volumes of two jars contain mmonia and Hydrochloric gases respectively at constant temperature and pressure. when one of the jars is inverted over another jar so that they mix up, the pressure in either of the jars is 1) Equal to ) + = 3) / ) ecomes Zero Hint: oth combine to form solid mmonium chloride 3. The pair of gases which possess same rate of diffusion 1) CO, N ) C H 6, N 3) CH, O ) CO, N 35. Dalton s law of partial pressures is applicable to a mixture of 1) NH 3 + HCl ) CH + F 3) CO + Cl ) CO + N 36. Equal weights of CH and O are present in a vessel. So their partial pressures are in the ratio 1) : 1 ) 1: 3) : 3 ) 3: 1 Hint: 1:=n1:n 37. Which of the following is not an application of Graham s law? 1) Separation of isotopes of Uranium ) Working of marsh gas alarm 3) Steam distillation ) Separation of a gaseous mixture

7 38. Which among the following is true? 1) CO diffuses 1.5 times faster than SO ) CH diffuses times faster than O 3) He diffuses times faster than CH ) H diffuses times faster than He 39. tmolysis is based upon 1) Dalton s law ) Charles s law 3) Graham s law ) oyle s law 0. Dry NH 3 and HCl gas are introduced from either side of glass tube of length 100 cm. The white fumes are formed nearly at length from NH 3 end 1) 0 cm ) 50 cm 3) 60 cm ) 80 cm 1. Molecular weights of gases are in the ratio 36: 9. Then the ratio of diffusion of their rates will be 1) 6: 7 ) 7: 6 ) 18:.5 ).5: 18. vessel contains oxygen and hydrogen in the molecular ratio of : 1 at a pressure of 30 atm. If a small leak is developed in the vessel, the composition of the gas mixture that effuses out initially (O :H ) 1) 1: ) : 1 3) 1: ) 3: 1 3. If 0 ml of SO diffuses in 5 sec under certain conditions the volume of He that will be diffused in same time under same conditions is 1) 160 ml ) 100 ml 3) 80 ml ) 0 ml

8 KEY 1) )1 3)1 )1 5) 6) 7)3 8) 9)3 10)1 11)3 1) 13)3 1)3 15)3 16) 17) 18)1 19)3 0) 1) ) 3)1 )3 5)1 6)1 7) 8)3 9) 30) 31)3 3)1 33) 3) 35) 36)1 37)3 38)3 39)3 0)3 1) )3 3)3

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

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

Worksheet 1.7: Gas Laws. Charles Law. Guy-Lassac's Law. Standard Conditions. Abbreviations. Conversions. Gas Law s Equation Symbols

Worksheet 1.7: Gas Laws. Charles Law. Guy-Lassac's Law. Standard Conditions. Abbreviations. Conversions. Gas Law s Equation Symbols Name Block Worksheet 1.7: Gas Laws Boyle s Law Charles Law Guy-Lassac's Law Combined Gas Law For a given mass of gas at constant temperature, the volume of a gas varies inversely with pressure PV = k The

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

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

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.) 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

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

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

Date: Period: Gas Laws Worksheet #1 - Boyle s, Charles, Gay-Lussac s, and Combined Gas Law

Date: Period: Gas Laws Worksheet #1 - Boyle s, Charles, Gay-Lussac s, and Combined Gas Law Name: Date: Period: Gas Laws Worksheet #1 - Boyle s, Charles, Gay-Lussac s, and Combined Gas Law Boyle s Law: V1P1 = V2P2 1. A gas sample contained in a cylinder equipped with a moveable piston occupied

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

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

PROPERTIES OF GASES. [MH5; Ch 5, (only)]

PROPERTIES OF GASES. [MH5; Ch 5, (only)] PROPERTIES OF GASES [MH5; Ch 5, 5.1-5.5 (only)] FEATURES OF A GAS Molecules in a gas are a long way apart (under normal conditions). Molecules in a gas are in rapid motion in all directions. The forces

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

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

Example 5.1 Converting between Pressure Units

Example 5.1 Converting between Pressure Units Example 5.1 Converting between Pressure Units For Practice 5.1 Your local weather report announces that the barometric pressure is 30.44 in Hg. Convert this pressure to psi. For More Practice 5.1 Convert

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

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

Multiple Choice (40%)

Multiple Choice (40%) 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

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

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

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

UNIT 4 IB MATERIAL PARTICLE BEHAVIOR OF MATTER PHASES & ATTRACTIONS

UNIT 4 IB MATERIAL PARTICLE BEHAVIOR OF MATTER PHASES & ATTRACTIONS UNIT 4 IB MATERIAL Name: PARTICLE BEHAVIOR OF MATTER PHASES & ATTRACTIONS ESSENTIALS: Know, Understand, and Be Able To Apply Avogadro s law to calculate reacting volumes of gases. Apply the concept of

More information

Final Gas Law Review

Final Gas Law Review Name: ate: 1 t which temperature is the vapor pressure of ethanol equal to 80 kpa?. 48. 73. 80. 101 4 Gas Molecular Mass (g/mol) 2 4 17 20 The table shown lists four gases and their molecular mass. Which

More information

PETER STARODUB - PALOS VERDES PENINSULA HIGH SCHOOL

PETER STARODUB - PALOS VERDES PENINSULA HIGH SCHOOL STARODUB CHEM. 2AP UNIT 2-2 CH. 5: Gases 1 UNIT 2-2: CH. 5 GASES READ P. 179 214 ASSIGNMENTS: #1 P. 7 #1-12 Pressure Problems #2 P. 14 #1-17 Gas Law Problems #3 P. 17 #1-12 Gas Density, Molar Mass, Stoichiometry

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

Problem Solving. Gas Laws

Problem Solving. Gas Laws Skills Worksheet Problem Solving Gas Laws Chemists found that there were relationships among temperature, volume, pressure, and quantity of a gas that could be described mathematically. This chapter deals

More information

Chapter 13 Gases. H. Cannon, C. Clapper and T. Guillot Klein High School. Pressure/Temperature Conversions

Chapter 13 Gases. H. Cannon, C. Clapper and T. Guillot Klein High School. Pressure/Temperature Conversions Chapter 13 Gases Pressure/Temperature Conversions Convert the following: 1. 3.50 atm = kpa 2. 123 atm = mmhg 3. 970.0 mmhg = torr 4. 870.0 torr = kpa 5. 250.0 kpa = atm 6. 205.0 mmhg = kpa 7. 12.4 atm

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

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

GAS LAW WORKSHEET 1 KEY

GAS LAW WORKSHEET 1 KEY 377 GAS LAW WORKSHEET 1 KEY 1. A sample of oxygen gas occupies a volume of 436. ml at 1.0 atm. If the temperature is held constant, what would the pressure of this gas be when the gas is compressed to

More information

Chapter 13: The Behavior of Gases

Chapter 13: The Behavior of Gases Chapter 13: The Behavior of Gases I. First Concepts a. The 3 states of matter most important to us: solids, liquids, and gases. b. Real Gases and Ideal Gases i. Real gases exist, ideal gases do not ii.

More information

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

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

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

Chapter 13 Gases, Vapors, Liquids, and Solids

Chapter 13 Gases, Vapors, Liquids, and Solids Chapter 13 Gases, Vapors, Liquids, and Solids Property is meaning any measurable characteristic of a substance, such as pressure, volume, or temperature, or a characteristic that can be calculated or deduced,

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

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

( ) ADVANCED HONORS CHEMISTRY - CHAPTER 14 NAME: THE BEHAVIOR OF GASES GRAHAM'S LAW WORKSHEET - ANSWERS - V8 PAGE:

( ) ADVANCED HONORS CHEMISTRY - CHAPTER 14 NAME: THE BEHAVIOR OF GASES GRAHAM'S LAW WORKSHEET - ANSWERS - V8 PAGE: ADVANCED HONORS CHEMISTRY - CHAPTER 14 NAME: THE BEHAVIOR OF GASES DATE: GRAHAM'S LAW WORKSHEET - ANSWERS - V8 PAGE: 1. How fast would a ecule of sulfur dioxide travel if an atom of krypton (aarrgghh!)

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

11 Properties of Gases

11 Properties of Gases South asadena Honors Chemistry Name 11 roperties of Gases eriod Date S A I O N 1 E M E R A U R E Standard emperature is: 0 C or 273 K Convert: 26.0 C 299 K 400 K _127 C 100 K 173 C 135 C _408_ K -127 C

More information

EXERCISES Gas Laws. Chooise the correct answer

EXERCISES Gas Laws. Chooise the correct answer Alícia Rosa EXERCISES Gas Laws Chooise the correct answer 1 Atmospheric pressure at an altitude of 10 km is 2.1x10 2 mm. What is the pressure in atmospheres at 10 km? 1.6x10 5 atm 3.6 atm 0.28 atm 2 Atmospheric

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

Name: Period: Date: CHAPTER 10 NOTES 10.3: The Gas Laws

Name: Period: Date: CHAPTER 10 NOTES 10.3: The Gas Laws Name: Period: Date: 1. Define gas laws: CHAPTER 10 NOTES 10.3: The Gas Laws 2. What units do the following measurements need to be in to describe gases? Boyle s Law a. Temperature b. Volume c. Pressure

More information

Section 10-1: The Kinetic-Molecular Theory of Matter. 1) How does the word kinetic apply to particles of matter?

Section 10-1: The Kinetic-Molecular Theory of Matter. 1) How does the word kinetic apply to particles of matter? Kinetic-Molecular theory of Matter/Ch10, Gases/Ch11 Column notes: Answer all parts of each question IN YOUR OWN WORDS. Use the text, figures and captions as resources. Section 10-1: The Kinetic-Molecular

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

What parameters do we use to describe gases? pressure: force/unit area 1 atm = 101 kpa; volume: liters (L) Temperature: K Amount of gas: moles

What parameters do we use to describe gases? pressure: force/unit area 1 atm = 101 kpa; volume: liters (L) Temperature: K Amount of gas: moles Gases Chapter 9 What parameters do we use to describe gases? pressure: force/unit area 1 atm = 101 kpa; volume: liters (L) Temperature: K Amount of gas: moles A gas consists of small particles that move

More information

C h e m i s t r y 1 A : C h a p t e r 5 P a g e 1

C h e m i s t r y 1 A : C h a p t e r 5 P a g e 1 C h e m i s t r y 1 A : C h a p t e r 5 P a g e 1 Chapter 5: Gases Homework: Read Chapter 5. Work out sample/practice exercises Keep up with MasteringChemistry assignments Gas Properties: Ideal Gas: Gases

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

8. Now plot on the following grid the values of T (K) and V from the table above, and connect the points.

8. Now plot on the following grid the values of T (K) and V from the table above, and connect the points. Charles s Law According to Charles s law, the volume of a fixed mass of gas varies directly with its Kelvin temperature if its pressure is constant. The following table contains Celsius temperature and

More information

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

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Test General Chemistry CH116 UMass Boston Summer 2013 Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The pressure exerted by a column of

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

AP* Chemistry GASES mm Hg = torr =1.00 atm = kpa 10 5 Pa

AP* Chemistry GASES mm Hg = torr =1.00 atm = kpa 10 5 Pa THE PROPERTIES OF GASES Only 4 quantities are needed to define the state of a gas: a) the quantity of the gas, n (in moles) b) the temperature of the gas, T (in KELVINS) c) the volume of the gas, V (in

More information

Unit 8 Gas Laws. Progress Tracker. Essential Vocabulary: Essential Outcomes: Test Date: Test Readiness Checks: Webassign Due Score

Unit 8 Gas Laws. Progress Tracker. Essential Vocabulary: Essential Outcomes: Test Date: Test Readiness Checks: Webassign Due Score Unit 8 Gas Laws Progress Tracker Test Date: Webassign Due Score Packet Progress Checks Essential Vocabulary: Ideal gas Pressure (atmospheres) Volume Temperature (Kelvin and Celsius) Barometer Partial pressure

More information

Unit 10: Gas Laws. Monday Tuesday Wednesday Thursday Friday. 10 Review for Cumulative Retest. 17 Chem Think Gas Laws Tutorial- Computer Lab-

Unit 10: Gas Laws. Monday Tuesday Wednesday Thursday Friday. 10 Review for Cumulative Retest. 17 Chem Think Gas Laws Tutorial- Computer Lab- Unit 10: Gas Laws Name: Monday Tuesday Wednesday Thursday Friday February 8 Stoichiometry Test Review 9 Stoichiometry Test 10 Review for Cumulative Retest 11 Cumulative Re-Test 12 Pressure & Kinetic Theory

More information

Gas Laws. Boyle s Law Charle s law Gay-Lussac s Law Avogadro s Law Dalton s Law Henry s Law

Gas Laws. Boyle s Law Charle s law Gay-Lussac s Law Avogadro s Law Dalton s Law Henry s Law Gas Laws Boyle s Law Charle s law Gay-Lussac s Law Avogadro s Law Dalton s Law Henry s Law 1 1 What is Pressure? Gas molecules cause pressure 2 2 The pressure of the gas in the container on the right would

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

Applied Physics Topics 2

Applied Physics Topics 2 Applied Physics Topics 2 Dr Andrey Varvinskiy Consultant Anaesthetist Torbay Hospital, UK EDAIC Paper B Lead and Examiner TOPICS 2 Gas Laws Other Laws: Dalton, Avogadro Critical temperature Critical pressure

More information

Lecture Presentation. Chapter 10. Gases. John D. Bookstaver St. Charles Community College Cottleville, MO Pearson Education, Inc.

Lecture Presentation. Chapter 10. Gases. John D. Bookstaver St. Charles Community College Cottleville, MO Pearson Education, Inc. Lecture Presentation Chapter 10 John D. Bookstaver St. Charles Community College Cottleville, MO Characteristics of Unlike liquids and solids, gases Expand to fill their containers. Are highly compressible.

More information

To play movie you must be in Slide Show Mode CLICK HERE EXERCISE! EXERCISE! To play movie you must be in Slide Show Mode CLICK HERE

To play movie you must be in Slide Show Mode CLICK HERE EXERCISE! EXERCISE! To play movie you must be in Slide Show Mode CLICK HERE Boyle s Law Boyle s law Pressure and volume are inversely related (constant T, temperature, and n, # of moles of gas). PV k (kis a constant for a given sample of air at a specific temperature) P V P V

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

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

Characteristics of Gases

Characteristics of Gases Lecture 25-27 Gases Characteristics of Gases Unlike liquids and solids, gases Expand to fill their containers. Are highly compressible. Have extremely low densi@es. Pressure of a gas Force per unit area

More information

Figure Vapor-liquid equilibrium for a binary mixture. The dashed lines show the equilibrium compositions.

Figure Vapor-liquid equilibrium for a binary mixture. The dashed lines show the equilibrium compositions. Another way to view this problem is to say that the final volume contains V m 3 of alcohol at 5.93 kpa and 20 C V m 3 of air at 94.07 kpa and 20 C V m 3 of air plus alcohol at 100 kpa and 20 C Thus, the

More information

Determination of the Gas-Law Constant (R) using CO2

Determination of the Gas-Law Constant (R) using CO2 Determination of the Gas-Law Constant (R) using CO2 EXPERIMENT 11 Prepared by Edward L. Brown and Miranda Raines, Lee University The student will become familiar with ideal gases and how their properties

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

(Test ID: ins700075) Created with INSPECT and the Online Assessment Reporting System (OARS) For Authorized Use Only

(Test ID: ins700075) Created with INSPECT and the Online Assessment Reporting System (OARS) For Authorized Use Only Print Options Show Test 3 - Gas laws (Test ID: ins700075) Created with INSPECT and the Online Assessment Reporting System (OARS) For Authorized Use Only 1 On the ground, a child's toy balloon contains

More information

AP* Chemistry GASES PROPERTIES OF GASES

AP* Chemistry GASES PROPERTIES OF GASES AP* Chemistry GASES The gaseous state of matter is the simplest and best-understood state of matter. You inhale approximately 8,500 L of air each day. This amounts to about 25 lbs of air. Breathing is

More information

THE BEHAVIOR OF GASES

THE BEHAVIOR OF GASES 14 THE BEHAVIOR OF GASES SECTION 14.1 PROPERTIES OF GASES (pages 413 417) This section uses kinetic theory to explain the properties of gases. This section also explains how gas pressure is affected by

More information

The Determination of the Value for Molar Volume

The Determination of the Value for Molar Volume Objective The Determination of the Value for Molar Volume Using a chemical reaction that produces a gas, measure the appropriate values to allow a determination of the value for molar volume. Brief Overview

More information

The Ideal Gas Constant

The Ideal Gas Constant Chem 2115 Experiment # 8 The Ideal Gas Constant OBJECTIVE: This experiment is designed to provide experience in gas handling methods and experimental insight into the relationships between pressure, volume,

More information

1. [Chang7 5.P.013.] Convert 295 mmhg to kpa. kpa Convert 2.0 kpa to mmhg. mmhg

1. [Chang7 5.P.013.] Convert 295 mmhg to kpa. kpa Convert 2.0 kpa to mmhg. mmhg Score 1. [Chang7 5.P.013.] Convert 295 mmhg to kpa. kpa Convert 2.0 kpa to mmhg. mmhg 2. [Chang7 5.P.019.] The volume of a gas is 5.80 L, measured at 1.00 atm. What is the pressure of the gas in mmhg if

More information

CHEM1901/3 Worksheet 8: The Ideal Gas Law: PV = nrt

CHEM1901/3 Worksheet 8: The Ideal Gas Law: PV = nrt CHEM1901/3 Worksheet 8: The Ideal Gas Law: PV = nrt The Ideal Gas Law Model 1: The Gas Laws T (K) Kelvin or absolute temperature = T ( C) + 273. T(K) is always 0 K Boyle s Law (1660). The volume of a gas

More information

Worksheet: Solubility

Worksheet: Solubility 1. According to your Reference Tables, which substance forms an unsaturated solution when 80 grams of the substance is dissolved in 100 grams of H 2 O at 10 C? (A) KI (B) KNO 3 (C) NaNO 3 (D) NaCl 2. The

More information

Gas Laws. 2 HCl(aq) + CaCO 3 (s) H 2 O(l) + CO 2 (g) + CaCl 2 (aq) HCl(aq) + NaHCO 3 (s) H 2 O(l) + CO 2 (g) + NaCl(aq)

Gas Laws. 2 HCl(aq) + CaCO 3 (s) H 2 O(l) + CO 2 (g) + CaCl 2 (aq) HCl(aq) + NaHCO 3 (s) H 2 O(l) + CO 2 (g) + NaCl(aq) Gas Laws Introduction: Although we cannot see gases, we can observe their behavior and study their properties. For example, we can watch a balloon filled with helium gas floating in air and conclude that

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

Gas volume and pressure are indirectly proportional.

Gas volume and pressure are indirectly proportional. Section 2 The Gas Laws Key Terms Boyle s law Charles s law combined gas law absolute zero Gay-Lussac s law Scientists have been studying physical properties of gases for hundreds of years In 1662, Robert

More information

Kinetic Theory and Gases

Kinetic Theory and Gases Kinetic Theory and Gases Kinetic Theory Explains how temperature and pressure affect the motion of molecules http://exploration.grc.nasa.gov/education/rocket/images/state.gif 1 Hydraulics http://library.thinkquest.org/

More information

Pressure of the atmosphere varies with elevation and weather conditions. Barometer- device used to measure atmospheric pressure.

Pressure of the atmosphere varies with elevation and weather conditions. Barometer- device used to measure atmospheric pressure. Chapter 12 Section 1 Pressure A gas exerts pressure on its surroundings. Blow up a balloon. The gas we are most familiar with is the atmosphere, a mixture of mostly elemental nitrogen and oxygen. Pressure

More information

Gas Laws. Directions: Describe what contribution each of the Scientist below made to the Gas Laws and include there gas law equation.

Gas Laws. Directions: Describe what contribution each of the Scientist below made to the Gas Laws and include there gas law equation. Gas Laws Name Date Block Introduction One of the most amazing things about gases is that, despite wide differences in chemical properties, all the gases more or less obey the gas laws. The gas laws deal

More information

Gas Laws. 2 HCl(aq) + CaCO 3 (s) H 2 O(l) + CO 2 (g) + CaCl 2 (aq) HCl(aq) + NaHCO 3 (s) H 2 O(l) + CO 2 (g) + NaCl(aq)

Gas Laws. 2 HCl(aq) + CaCO 3 (s) H 2 O(l) + CO 2 (g) + CaCl 2 (aq) HCl(aq) + NaHCO 3 (s) H 2 O(l) + CO 2 (g) + NaCl(aq) Gas Laws Introduction: Although we cannot see gases, we can observe their behavior and study their properties. For example, we can watch a balloon filled with helium gas floating in air and conclude that

More information

Gases Day 12. Phases of Matter

Gases Day 12. Phases of Matter Phases of Matter Gases Day 12 Kinetic Molecular Theory ( Ideal Gases ) 1) The molecules of a gas are in continual, and random, motion of varying speeds. 2) The average kinetic energy of the gas molecules

More information

PURE SUBSTANCE. Nitrogen and gaseous air are pure substances.

PURE SUBSTANCE. Nitrogen and gaseous air are pure substances. CLASS Third Units PURE SUBSTANCE Pure substance: A substance that has a fixed chemical composition throughout. Air is a mixture of several gases, but it is considered to be a pure substance. Nitrogen and

More information

I Physical Principles of Gas Exchange

I Physical Principles of Gas Exchange Respiratory Gases Exchange Dr Badri Paudel, M.D. 2 I Physical Principles of Gas Exchange 3 Partial pressure The pressure exerted by each type of gas in a mixture Diffusion of gases through liquids Concentration

More information

Name Date Class STATES OF MATTER. SECTION 13.1 THE NATURE OF GASES (pages )

Name Date Class STATES OF MATTER. SECTION 13.1 THE NATURE OF GASES (pages ) Name Date Class 3 SAES OF MAER SECION 3. HE NAURE OF GASES (pages 385 389) his section introduces the kinetic theory and describes how it applies to gases. It defines gas pressure and explains how temperature

More information

EXPERIMENT 8 Ideal Gas Law: Molecular Weight of a Vapor

EXPERIMENT 8 Ideal Gas Law: Molecular Weight of a Vapor EXPERIMENT 8 Ideal Gas Law: Molecular Weight of a Vapor Purpose: In this experiment you will use the ideal gas law to calculate the molecular weight of a volatile liquid compound by measuring the mass,

More information

11.1 Dumas Method - Pre-Lab Questions

11.1 Dumas Method - Pre-Lab Questions 11.1 Dumas Method - Pre-Lab Questions Name: Instructor: Date: Section/Group: Show all work for full credit. 1. If a 275-mL gas container has pressure of 732.6 mm Hg at -28 C, how many moles of gas are

More information

Gas Laws. Introduction

Gas Laws. Introduction Gas Laws Introduction In 1662 Robert Boyle found that, at constant temperature, the pressure of a gas and its volume are inversely proportional such that P x V = constant. This relationship is known as

More information

LOW PRESSURE EFFUSION OF GASES revised by Igor Bolotin 03/05/12

LOW PRESSURE EFFUSION OF GASES revised by Igor Bolotin 03/05/12 LOW PRESSURE EFFUSION OF GASES revised by Igor Bolotin 03/05/ This experiment will introduce you to the kinetic properties of low-pressure gases. You will make observations on the rates with which selected

More information

CHM111 Lab Gas Laws Grading Rubric

CHM111 Lab Gas Laws Grading Rubric Name Team Name CHM111 Lab Gas Laws Grading Rubric Criteria Points possible Points earned Lab Performance Printed lab handout and rubric was brought to lab 3 Safety and proper waste disposal procedures

More information

Chapter 17 The Respiratory System: Gas Exchange and Regulation of Breathing

Chapter 17 The Respiratory System: Gas Exchange and Regulation of Breathing Chapter 17 The Respiratory System: Gas Exchange and Regulation of Breathing Overview of Pulmonary Circulation o Diffusion of Gases o Exchange of Oxygen and Carbon Dioxide o Transport of Gases in the Blood

More information

BASIC PHYSICS APPLIED TO ANAESTHESIOLOGY

BASIC PHYSICS APPLIED TO ANAESTHESIOLOGY BASIC PHYSICS APPLIED TO ANAESTHESIOLOGY Dr.R.Selvakumar.M.D.D.A.DNB Professor of Anaesthesiology, K.A.P.Viswanatham Govt medical college, Trichy. The current practice of Anaesthesiology demands knowledge

More information

Chapter 6 Properties of Gases

Chapter 6 Properties of Gases Chapter 6 Properties of Gases Chapter Objectives: Learn how to measure gas pressure. Learn how to use the gas laws to relate pressure, volume, temperature, and amount of gases, and use amounts of gases

More information

Conclusions: 1. What happens to the volume of the gas inside the dropper as you put pressure on the container?

Conclusions: 1. What happens to the volume of the gas inside the dropper as you put pressure on the container? Gas Stations Chemistry Gas Station 1 Pressure Purpose: To observe the affect of pressure of a gas Safety: Wear goggles and aprons!!! Obtain an empty canister. Fill it half way with water and ½ an alka

More information

Guide to Gases and Vapours

Guide to Gases and Vapours Guide to Gases and Vapours Properties of dangerous Gases and Vapours Flammable and toxic gases and vapours may occur in many places. To deal with the toxic risk and the danger of explosion this is what

More information

Chapter 13 Gases. Review Skills

Chapter 13 Gases. Review Skills Chapter 13 Gases t s Monday morning, and Lilia is walking out of the chemistry building, thinking about the introductory lecture on gases that her instructor just presented. Dr. Scanlon challenged the

More information

Chapter 11 Gases. Review Skills

Chapter 11 Gases. Review Skills Chapter 11 Gases t s Monday morning, and Lilia is walking out of the chemistry building, thinking about the introductory lecture on gases that her instructor just presented. Dr. Scanlon challenged the

More information

Fall 2004 Homework Problem Set 9 Due Wednesday, November 24, at start of class

Fall 2004 Homework Problem Set 9 Due Wednesday, November 24, at start of class 0.30 Fall 004 Homework Problem Set 9 Due Wednesday, November 4, at start of class Part A. Consider an iron surface which serves as a catalyst for the production of ammonia from nitrogen and hydrogen. The

More information

Gas Pressure. Chapter 6 Properties of Gases. Chapter 6 Properties of Gases. Gases. The Physical States of Matter. Some Important Properties of Gases

Gas Pressure. Chapter 6 Properties of Gases. Chapter 6 Properties of Gases. Gases. The Physical States of Matter. Some Important Properties of Gases Chapter 6 roperties of Gases Chapter Objectives: Learn how to measure gas pressure. Learn how to use the gas laws to relate pressure, volume, temperature, and amount of gases, and use amounts of gases

More information

Interchangeability Criteria.

Interchangeability Criteria. Interchangeability Criteria. A substitute gas should burn satisfactorily with negligible change in burner performance on all types of burners without the need for special adjustment. The important requirements

More information