Gas Gas TeamTeam Review Game Review Game

?1?1

List all 5 parts of the List all 5 parts of the Kinetic Molecular Kinetic Molecular Theory.Theory.

AnswerAnswer

1) Gases consist of large numbers of tiny particles 1) Gases consist of large numbers of tiny particles that are far apart relative to their size.that are far apart relative to their size.

2) Collisions are elastic.2) Collisions are elastic.

3) Gas particles are in continuous, rapid, random 3) Gas particles are in continuous, rapid, random motion.motion.

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

5) The average kinetic energy depends on 5) The average kinetic energy depends on temperature of the gas.temperature of the gas.

?2?2

A spontaneous mixing of A spontaneous mixing of two gases caused by two gases caused by random motion is random motion is _____________._____________.

AnswerAnswer

DiffusionDiffusion

?3?3

Give an example of Give an example of diffusion and explain.diffusion and explain.

Answers will varyAnswers will vary

?4?4

_________ is a process _________ is a process by which gas particles by which gas particles pass through a tiny pass through a tiny opening.opening.

EffusionEffusion

?5?5

Give an example of Give an example of effusion and explain.effusion and explain.

Answers will vary.Answers will vary.

?6?6

What does STP stand for?What does STP stand for?

Standard Temperature Standard Temperature and Pressureand Pressure

?7?7

What is standard What is standard temperature in Celsius temperature in Celsius and Kelvin?and Kelvin?

OO°°C and 273KC and 273K

?8?8

What is standard pressure What is standard pressure in atm?in atm?

1 atm1 atm

?9?9

Convert Convert --10.010.0°°C to K.C to K.

263K263K

?10?10

Convert 125mmHg to atmConvert 125mmHg to atm

0.164atm0.164atm

?11?11

According to the KMT, According to the KMT, what will happen when what will happen when two gas particles collide?two gas particles collide?

They will have an elastic They will have an elastic collision and their energy collision and their energy will be conserved (no will be conserved (no loss or gain of energy).loss or gain of energy).

?12?12

Draw the 3 graphs relating Draw the 3 graphs relating temperature, pressure, temperature, pressure, and volume.and volume.

PT-directPT-direct

PV-indirectPV-indirect

TV-directTV-direct

?13?13

You are planning an You are planning an experiment that requires experiment that requires 0.0580mol of nitrogen 0.0580mol of nitrogen monoxide gas. What monoxide gas. What volume would you need at volume would you need at STP?STP?

1.30L1.30L

?14?14

A(n) _________ gas is an A(n) _________ gas is an imaginary gas that imaginary gas that perfectly fits all the perfectly fits all the assumptions of the KMT.assumptions of the KMT.

IdealIdeal

?15?15

A(n) ______ gas is a gas A(n) ______ gas is a gas that does not behave that does not behave completely according to completely according to the assumptions of the the assumptions of the KMT.KMT.

RealReal

?16?16

A gas has a pressure of 1.26atm A gas has a pressure of 1.26atm and occupies a volume of and occupies a volume of 7.40L. If the gas is compressed 7.40L. If the gas is compressed to a volume of 2.93L, what will to a volume of 2.93L, what will its pressure be, assuming its pressure be, assuming constant temperature?constant temperature?

3.18atm3.18atm

?17?17

A sample of carbon dioxide A sample of carbon dioxide gas occupies 638mL at gas occupies 638mL at 0.893atm and 120.893atm and 12°°C. What C. What will the pressure be at a will the pressure be at a volume of 881mL and a volume of 881mL and a temperature of 18temperature of 18°°C?C?

0.660atm0.660atm

?18?18

A balloon filled with A balloon filled with oxygen gas occupies a oxygen gas occupies a volume of 5.5L at 25volume of 5.5L at 25°°C. C. What volume will the gas What volume will the gas occupy of 100.occupy of 100.°°C?C?

6.9L6.9L

?19?19

A 0.700L gas sample at STP A 0.700L gas sample at STP is compressed to a volume is compressed to a volume of 200.mL, and the new of 200.mL, and the new temperature is increased to temperature is increased to 30.030.0°°C. What is the new C. What is the new pressure of the gas in Pa?pressure of the gas in Pa?

3.94x103.94x1055PaPa

?20?20

What is the density of What is the density of chlorine gas at STP?chlorine gas at STP?

3.1g/L3.1g/L

?21?21

Which law states that the Which law states that the total pressure exerted on total pressure exerted on the walls of a container the walls of a container equals the sum of the equals the sum of the partial pressures of each partial pressures of each gas.gas.

Dalton’s Law of Partial Dalton’s Law of Partial PressuresPressures

?22?22

A 2.07L cylinder contains A 2.07L cylinder contains 2.88mol of helium gas at 2.88mol of helium gas at 2222°°C. What is the pressure C. What is the pressure in atmospheres of the gas in in atmospheres of the gas in the cylinder?the cylinder?

33.7atm33.7atm

?23?23

A weather balloon at Earth’s A weather balloon at Earth’s sufrace has a volume of 4.00L sufrace has a volume of 4.00L at 304K and 755mmHg. If the at 304K and 755mmHg. If the balloon is released and the balloon is released and the volume reaches 4.08L at volume reaches 4.08L at 728mmHg, what is the 728mmHg, what is the temperature?temperature?

299K299K

?24?24

To what temperature (in To what temperature (in Celsius) must a sample of Celsius) must a sample of nitrogen at 27nitrogen at 27°°C and 0.625 C and 0.625 atm be taken so that its atm be taken so that its pressure becomes 1.125atm pressure becomes 1.125atm at constant volume?at constant volume?

267267°°C (540K)C (540K)

?25?25

A gas sample of 83A gas sample of 83°°C C occupies a volume of occupies a volume of 1400m1400m33. At what . At what temperature will it temperature will it occupy at 1200moccupy at 1200m33??

0.970kPa0.970kPa

?26?26

What is the pressure of a What is the pressure of a mixture of helium, nitrogen, mixture of helium, nitrogen, and oxygen if their partial and oxygen if their partial pressures are 600.mmHg, pressures are 600.mmHg, 150.mmHg, and 102mmHg?150.mmHg, and 102mmHg?

852mmHg852mmHg

BonusBonus

A chemist determines the mass A chemist determines the mass of a sample of gas to be 3.17g. of a sample of gas to be 3.17g. Its volume is 942mL at a Its volume is 942mL at a temperature of 14temperature of 14°°C and a C and a pressure of 1.09atm. What is pressure of 1.09atm. What is the molar mass of the gas?the molar mass of the gas?

72.7g/mol72.7g/mol