AP ChemistryAP ChemistryChapter 10 and 11 JeopardyChapter 10 and 11 Jeopardy

Jennie L. BordersJennie L. Borders

Round 1 – Chapter 10 Round 1 – Chapter 10

Gas LawsGas Laws Ideal Gas Ideal Gas LawLaw

Molar Molar MassMass

Effusion/ Effusion/ DiffusionDiffusion

Partial Partial PressuresPressures

Kinetic Kinetic Molecular Molecular

TheoryTheory

100 100 100 100 100 100

200 200 200 200 200 200

300 300 300 300 300 300

400 400 400 400 400 400

500 500 500 500 500 500

Round 2 – Chapter 11 Round 2 – Chapter 11

Click to go to Round 2Click to go to Round 2

Gas Laws 100Gas Laws 100

A sample of a gas (5.0mol) at 1.0 A sample of a gas (5.0mol) at 1.0 atm is expanded at constant atm is expanded at constant temperature from 10L to 15L. temperature from 10L to 15L.

What is the final pressure in atm?What is the final pressure in atm?

0.67 atm0.67 atm

Gas Laws 200Gas Laws 200

A balloon originally had a volume of A balloon originally had a volume of 4.39L at 444.39L at 44ooC and a pressure of C and a pressure of 729 torr. The balloon must be 729 torr. The balloon must be

cooled to what Celsius cooled to what Celsius temperature in order to reduce its temperature in order to reduce its

volume to 3.78L (at constant volume to 3.78L (at constant pressure).pressure).

-0.05-0.05ooCC

Gas Laws 300Gas Laws 300A sample of He gas (2.35 mol) A sample of He gas (2.35 mol) occupies 57.9L at 300K and 1 occupies 57.9L at 300K and 1 atm. What is the volume of this atm. What is the volume of this

sample at 423K and 1 atm?sample at 423K and 1 atm?

81.64L81.64L

Gas Laws 400Gas Laws 400

A sample of an ideal gas (3L) in a A sample of an ideal gas (3L) in a closed container at 25closed container at 25ooC and 76 C and 76 torr is heated to 300torr is heated to 300ooC. What is C. What is

the pressure in torr now?the pressure in torr now?

146.13 torr146.13 torr

Gas Laws 500Gas Laws 500

A closed-end manometer was attached A closed-end manometer was attached to a vessel containing argon. The to a vessel containing argon. The

difference in the mercury levels in the difference in the mercury levels in the two arms of the manometer was two arms of the manometer was

12.2cm. Atmospheric pressure was 12.2cm. Atmospheric pressure was 783mm Hg. What is the pressure of 783mm Hg. What is the pressure of argon in the container in mm Hg?argon in the container in mm Hg?

122mm Hg122mm Hg

Ideal Gas Law 100Ideal Gas Law 100

What is the pressure in kPa exerted What is the pressure in kPa exerted by 1.3 mol of gas in a 13L flask at by 1.3 mol of gas in a 13L flask at

2222ooC?C?

245.15 kPa245.15 kPa

Ideal Gas Law 200Ideal Gas Law 200

How many moles of gas are How many moles of gas are contained in a 0.325L flask at contained in a 0.325L flask at

0.914 atm and 190.914 atm and 19ooC?C?

0.012 mol0.012 mol

Ideal Gas Law 300Ideal Gas Law 300

The density of ammonia gas in a The density of ammonia gas in a 4.32L container at 837 torr and 4.32L container at 837 torr and

4545ooC is ___ g/L.C is ___ g/L.

0.714 g/L 0.714 g/L

Ideal Gas Law 400Ideal Gas Law 400A sample of gas (1.9 mol) is in a flask A sample of gas (1.9 mol) is in a flask

at 21at 21ooC and 697 mm Hg. The flask C and 697 mm Hg. The flask is opened and more gas is added to is opened and more gas is added to the flask. The new pressure is 795 the flask. The new pressure is 795 mm Hg and the temperature is now mm Hg and the temperature is now 2626ooC. How many moles of gas are C. How many moles of gas are

left in the flask?left in the flask?

2.13 mol2.13 mol

Ideal Gas Law 500Ideal Gas Law 500

What volume in mL of sulfur dioxide What volume in mL of sulfur dioxide can be produced by the can be produced by the

complete reaction of 3.82g of complete reaction of 3.82g of calcium sulfite with excess HCl, calcium sulfite with excess HCl, when the final pressure is 827 when the final pressure is 827

torr at 44torr at 44ooC?C?

760 mL SO760 mL SO22

Molar Mass 100Molar Mass 100

What is the molar mass of 3.5g of a What is the molar mass of 3.5g of a gas that occupies 2.1L at STP?gas that occupies 2.1L at STP?

37.23 g/mol37.23 g/mol

Molar Mass 200Molar Mass 200

What is the molar mass of a gas that What is the molar mass of a gas that has a density of 6.7 g/L at STP?has a density of 6.7 g/L at STP?

150.08 g/mol150.08 g/mol

Molar Mass 300Molar Mass 300

What is the molar mass of a gas What is the molar mass of a gas that has a density of 7.10 g/L at that has a density of 7.10 g/L at

2525ooC and 1 atm?C and 1 atm?

173.74 g/mol173.74 g/mol

Molar Mass 400Molar Mass 400

What is the molar mass of a gas What is the molar mass of a gas that has a density of 5.75 g/L at that has a density of 5.75 g/L at

STP?STP?

128.86 g/mol128.86 g/mol

Molar Mass 500Molar Mass 500

What is the molar mass of air at What is the molar mass of air at STP if it has a density of 1.285 STP if it has a density of 1.285

g/L?g/L?

28.78 g/mol28.78 g/mol

Effusion/Diffusion 100Effusion/Diffusion 100At 333K, which of the following pairs of gases At 333K, which of the following pairs of gases would have the most nearly identical rates of would have the most nearly identical rates of

effusion?effusion?

a. Na. N22O and NOO and NO22

b. CO and Nb. CO and N22

c. Nc. N22 and O and O22

d. CO and COd. CO and CO22

e. NOe. NO22 and N and N22OO44

b. CO and Nb. CO and N22

Effusion/Diffusion 200Effusion/Diffusion 200Of the following gases, which one would have Of the following gases, which one would have

the greatest rate of effusion at a given the greatest rate of effusion at a given temperature?temperature?

a. NHa. NH33

b. CHb. CH44

c. Arc. Ar

d. HBrd. HBr

e. HCle. HCl

b. CHb. CH44

Effusion/Diffusion 300Effusion/Diffusion 300

Arrange the following gases in order of Arrange the following gases in order of increasing average molecular speed increasing average molecular speed

at 25at 25ooC.C.

He, OHe, O22, CO, CO22, N, N22

COCO22, O, O22, N, N22, He, He

Effusion/Diffusion 400Effusion/Diffusion 400

A tank containing both HF and HBr A tank containing both HF and HBr gases developed a leak. The ratio of gases developed a leak. The ratio of the rate of effusion of HF to HBr is the rate of effusion of HF to HBr is

___.___.

22

Effusion/Diffusion 500Effusion/Diffusion 500

A sample of oxygen gas was found to A sample of oxygen gas was found to effuse at a rate equal to three times effuse at a rate equal to three times that of an unknown gas. What is the that of an unknown gas. What is the

molar mass of the unknown gas?molar mass of the unknown gas?

288 g/mol288 g/mol

Partial Pressures 100Partial Pressures 100

A gas mixture of Ne and Ar has a A gas mixture of Ne and Ar has a total pressure of 4.00 atm and total pressure of 4.00 atm and contains 16 mol of gas. If the contains 16 mol of gas. If the

partial pressure of N2 is 2.75 atm, partial pressure of N2 is 2.75 atm, how many moles of Ar are in the how many moles of Ar are in the

mixture?mixture?

4.96 mol Ar4.96 mol Ar

Partial Pressures 200Partial Pressures 200

A mixture of He and Ne at a total A mixture of He and Ne at a total pressure of 0.95 atm is found to pressure of 0.95 atm is found to contain 0.32 mol of He and 0.56 contain 0.32 mol of He and 0.56

mol of Ne. What is the partial mol of Ne. What is the partial pressure of Ne in atm?pressure of Ne in atm?

0.61 atm0.61 atm

Partial Pressures 300Partial Pressures 300

In a gas mixture of He, Ne, and Ar In a gas mixture of He, Ne, and Ar with a total pressure of 8.40 atm, with a total pressure of 8.40 atm,

the mole fraction of Ar is ___ if the the mole fraction of Ar is ___ if the partial pressures of He and Ne are partial pressures of He and Ne are 1.50 and 2.00 atm, respectively.1.50 and 2.00 atm, respectively.

0.580.58

Partial Pressures 400Partial Pressures 400A sample of NaH weighing __g will A sample of NaH weighing __g will

produce 982mL of gas at 28produce 982mL of gas at 28ooC and C and 765 torr, when the hydrogen is 765 torr, when the hydrogen is collected over water. The vapor collected over water. The vapor

pressure of water at this pressure of water at this temperature is 28 torr.temperature is 28 torr.

NaH + HNaH + H22O O NaOH + NaOH + HH22

0.936g NaH0.936g NaH

Partial Pressures 500Partial Pressures 500In an experiment, 225mL of wet HIn an experiment, 225mL of wet H22 is is

collected over water at 27collected over water at 27ooC and a C and a barometric pressure of 748 torr. barometric pressure of 748 torr.

How many grams of Zn have been How many grams of Zn have been consumed? The vapor pressure of consumed? The vapor pressure of

water at 27water at 27ooC is 26.74 torr.C is 26.74 torr.

Zn + HZn + H22SOSO44 ZnSO ZnSO44 + H + H22

0.57g Zn0.57g Zn

Kinetic Molecular Theory 100Kinetic Molecular Theory 100Which of the following is NOT part of the kinetic-molecular Which of the following is NOT part of the kinetic-molecular

theory?theory?

a. Atoms are neither created nor destroyed by ordinary a. Atoms are neither created nor destroyed by ordinary chemical reactions.chemical reactions.

b. Attractive and repulsive forces between gas molecules b. Attractive and repulsive forces between gas molecules are negligible.are negligible.

c. Gases consist of molecules in continuous, random c. Gases consist of molecules in continuous, random motion.motion.

d. Collisions between gas molecules do not result in the loss d. Collisions between gas molecules do not result in the loss of energy.of energy.

e. The volume occupied by all of the gas molecules in a e. The volume occupied by all of the gas molecules in a container is negligible compared to the volume of the container is negligible compared to the volume of the container.container.

a. Atoms are neither created nor destroyed by ordinary a. Atoms are neither created nor destroyed by ordinary chemical reactions. chemical reactions.

Kinetic Molecular Theory 200Kinetic Molecular Theory 200

An ideal gas differs from a real gas in An ideal gas differs from a real gas in that the molecules of an ideal gas that the molecules of an ideal gas

have no _____ and no _____.have no _____ and no _____.

volume, attractionsvolume, attractions

Kinetic Molecular Theory 300Kinetic Molecular Theory 300

A real gas will behave most like an A real gas will behave most like an ideal gas under condition of ideal gas under condition of

________.________.

high temperature and low high temperature and low pressurepressure

Kinetic Molecular Theory 400Kinetic Molecular Theory 400The kinetic molecular theory predicts The kinetic molecular theory predicts

that pressure rises as the that pressure rises as the temperature of a gas increases temperature of a gas increases

because _______.because _______.

As temperature rises, kinetic energy As temperature rises, kinetic energy rises resulting in more collisions with rises resulting in more collisions with the wall of the container and harder the wall of the container and harder

collisions with the wall.collisions with the wall.

Kinetic Molecular Theory 500Kinetic Molecular Theory 500

According to the kinetic-molecular According to the kinetic-molecular theory, if the temperature of a gas theory, if the temperature of a gas is raised from 100is raised from 100ooC to 200C to 200ooC, the C, the average kinetic energy of the gas average kinetic energy of the gas

will ______.will ______.

Increase by a factor of 1.27Increase by a factor of 1.27

VocabularyVocabulary Intermolecular Intermolecular ForcesForces

Boiling Boiling PointPoint

Heating Heating CurveCurve

Phase Phase DiagramDiagram SolidsSolids

200 200 200 200 200 200

400 400 400 400 400 400

600 600 600 600 600 600

800 800 800 800 800 800

1000 1000 1000 1000 1000 1000

Vocabulary 200Vocabulary 200

What is equilibrium?What is equilibrium?

When two opposite processes When two opposite processes are occurring at the same rate.are occurring at the same rate.

Vocabulary 400Vocabulary 400

What is viscosity?What is viscosity?

The resistance of a liquid to flow.The resistance of a liquid to flow.

Vocabulary 600Vocabulary 600

What is surface tension?What is surface tension?

The amount of energy needed to The amount of energy needed to increase the surface area.increase the surface area.

Vocabulary 800Vocabulary 800What is capillary action? What types What is capillary action? What types

of forces encourage and of forces encourage and discourage capillary action?discourage capillary action?

Capillary action is the process of a Capillary action is the process of a liquid “climbing” up a narrow tube. liquid “climbing” up a narrow tube.

Adhesive forces encourage capillary Adhesive forces encourage capillary action and cohesive forces discourage action and cohesive forces discourage

capillary action.capillary action.

Vocabulary 1000Vocabulary 1000

What is critical temperature and What is critical temperature and critical pressure?critical pressure?

Critical temperature is the highest Critical temperature is the highest temperature at which pressure temperature at which pressure

can still convert a gas into a can still convert a gas into a liquid. Critical pressure is the liquid. Critical pressure is the

pressure needed to convert a gas pressure needed to convert a gas to a liquid at critical temperature.to a liquid at critical temperature.

Intermolecular Forces 200Intermolecular Forces 200

Of the following substance, which Of the following substance, which experiences ONLY London experiences ONLY London

dispersion forces?dispersion forces?

CHCH33OH, NHOH, NH33, H, H22S, CHS, CH44, HCl, HCl

CHCH44

Intermolecular Forces 400Intermolecular Forces 400What intermolecular forces are What intermolecular forces are present when NaCl dissolves in present when NaCl dissolves in

HH22O?O?

Ion-dipole forces between ions Ion-dipole forces between ions and water. Hydrogen bonding and water. Hydrogen bonding and dipole attractions between and dipole attractions between

water molecules. Dipersion water molecules. Dipersion forces between all molecules.forces between all molecules.

Intermolecular Forces 600Intermolecular Forces 600

What intermolecular forces are What intermolecular forces are present in Cpresent in C1212HH2626 molecules? molecules?

London Dispersion ForcesLondon Dispersion Forces

Intermolecular Forces 800Intermolecular Forces 800

Which one of the following exhibits Which one of the following exhibits dipole-dipole attractions?dipole-dipole attractions?

XeFXeF44, AsH, AsH33, CO, CO22, BCl, BCl33, Cl, Cl22

AsHAsH33

Intermolecular Forces 1000Intermolecular Forces 1000In which of the following molecules is In which of the following molecules is

hydrogen bonding likely the most hydrogen bonding likely the most significant component of the total significant component of the total

intermolecular forces?intermolecular forces?

CHCH44, C, C55HH1111OH, COH, C66HH1313NHNH22, CH, CH33OH, OH,

COCO22

CHCH33OH OH

Boiling Point 200Boiling Point 200

What is vapor pressure?What is vapor pressure?

Vapor pressure is the pressure Vapor pressure is the pressure of a vapor above its liquid.of a vapor above its liquid.

Boiling Point 400Boiling Point 400

Which of the following has the Which of the following has the highest boiling point?highest boiling point?

HH22O, COO, CO22, CH, CH44, Kr, NH, Kr, NH33

HH22OO

Boiling Point 600Boiling Point 600

Which of the following has the Which of the following has the highest boiling point?highest boiling point?

NN22, Br, Br22, H, H22, Cl, Cl22, O, O22

BrBr22

Boiling Point 800Boiling Point 800

Which of the following would have the Which of the following would have the lowest boiling point?lowest boiling point?

PHPH33, H, H22S, HCl, SiHS, HCl, SiH4,4, H H22OO

SiHSiH44

Boiling Point 1000Boiling Point 1000

Which of the following has the Which of the following has the highest melting point?highest melting point?

SS88, I, I22, SiO, SiO22, SO, SO22, C, C66HH66

SiOSiO22 (network solid) (network solid)

Heating Curve 200Heating Curve 200

What is a supercooled liquid?What is a supercooled liquid?

A supercooled liquid is a liquid A supercooled liquid is a liquid that has been cooled below the that has been cooled below the

freezing point without being freezing point without being converted to a solid.converted to a solid.

Heating Curve 400Heating Curve 400

What does 2 represent? What What does 2 represent? What formula do we use at 2?formula do we use at 2?

MeltingMeltingHHfusfus

Heating Curve 600Heating Curve 600

What does 5 represent? What What does 5 represent? What formula do we use at 5?formula do we use at 5?

Gas Gas q = mcq = mcTT

Heating Curve 800Heating Curve 800

What is the change in enthalpy when What is the change in enthalpy when 1.00 mol of ice at -50.01.00 mol of ice at -50.0ooC to water C to water

at 70.0at 70.0ooC? C?

cciceice = 2.09 J/gK, c = 2.09 J/gK, cH2OH2O = 4.18 J/gK, = 4.18 J/gK,

ccsteamsteam = 1.84 J/gK, = 1.84 J/gK, HHfusfus = 6.01 = 6.01

kJ/mol, kJ/mol, HHvapvap = 40.67 kJ/mol = 40.67 kJ/mol

13158J13158J

Heating Curve 1000Heating Curve 1000What is the change in enthalpy when What is the change in enthalpy when

25.0g of ice at -425.0g of ice at -4ooC to steam at C to steam at 110110ooC?C?

cciceice = 2.09 J/gK, c = 2.09 J/gK, cH2OH2O = 4.18 J/gK, = 4.18 J/gK,

ccsteamsteam = 1.84 J/gK, = 1.84 J/gK, HHfusfus = 6.01 = 6.01

kJ/mol, kJ/mol, HHvapvap = 40.67 kJ/mol = 40.67 kJ/mol

76042J76042J

Phase Diagram 200Phase Diagram 200

On the phase diagram, which letter On the phase diagram, which letter corresponds to the critical corresponds to the critical

temperature and critical pressure?temperature and critical pressure?

DD

Phase Diagram 400Phase Diagram 400

One the phase diagram, which letter One the phase diagram, which letter corresponds to the gas and solid corresponds to the gas and solid

phases at equilibrium?phases at equilibrium?

CC

Phase Diagram 600Phase Diagram 600

On the phase diagram, which letter On the phase diagram, which letter corresponds to the solid phase?corresponds to the solid phase?

AA

Phase Diagram 800Phase Diagram 800On the phase diagram, which state of On the phase diagram, which state of

matter is the substance at 25matter is the substance at 25ooC C and 1 atm?and 1 atm?

liquidliquid

Phase Diagram 1000Phase Diagram 1000Which of the following statements is always true about a Which of the following statements is always true about a

phase diagram?phase diagram?

a. The slope between the liquid and solid phases is a. The slope between the liquid and solid phases is negative.negative.

b. The slope between the liquid and solid phases is b. The slope between the liquid and solid phases is positive.positive.

c. The slope between the vapor and liquid phases is c. The slope between the vapor and liquid phases is positive.positive.

d. The pressure at the triple point is greater than 1 d. The pressure at the triple point is greater than 1 atm.atm.

c. The slope between the vapor and liquid c. The slope between the vapor and liquid phases is positive.phases is positive.

Solids 200Solids 200

What is the difference in a crystalline What is the difference in a crystalline solid and an amorphous solid?solid and an amorphous solid?

Crystals have an orderly Crystals have an orderly repeating 3-D structure. repeating 3-D structure.

Amorphous solids have a Amorphous solids have a random structure.random structure.

Solids 400Solids 400

_____ solids consist of atoms or _____ solids consist of atoms or molecules held together by dipole molecules held together by dipole forces, dispersion forces, and/or forces, dispersion forces, and/or

hydrogen bonds.hydrogen bonds.

MolecularMolecular

Solids 600Solids 600

What fraction of the volume of each What fraction of the volume of each corner atom is actually within the corner atom is actually within the volume of a face-centered cubic volume of a face-centered cubic

unit cell?unit cell?

1/8 1/8

Solids 800Solids 800

CsCl crystallizes in a unit cell that CsCl crystallizes in a unit cell that contains a Cscontains a Cs++ ion at the center of ion at the center of a cube and Cla cube and Cl-- ions at each corner. ions at each corner. The unit cell of CsCl is ________.The unit cell of CsCl is ________.

Body-centered cubicBody-centered cubic

Solids 1000Solids 1000

CsCl crystallizes in a unit cell that CsCl crystallizes in a unit cell that contains the Cscontains the Cs+ + ion at the center ion at the center

of a cube that has Clof a cube that has Cl-- at each at each corner. How many Cscorner. How many Cs++ and Cl and Cl-- ions ions

are in the unit cell? are in the unit cell?

1Cs1Cs++ and 1Cl and 1Cl--