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Gas Laws

2 of 27

KMT

Units

Laws

Relationships

Crazy Random

3 of 27

Answer: elastic

200

When two gas particles collide, what type of collision does the KMT predict will occur?

4 of 27

400

Answer: particles have no volume, no intermolecular forces between particles, etc.

Name two properties of an “ideal” gas.

5 of 27

600

Answer: they have zero kinetic energy (no velocity)

What happens to molecules at absolute zero?

6 of 27

800

Answer: the measure of the average kinetic energy of representative particles

What is temperature?

7 of 27

1000

Answer: atom or molecule collisions with a surface

What causes a gas to exert pressure?

8 of 27

200

Answer: Kelvin

What unit must temperature always be in for all gas law calculations?

9 of 27

400

Answer: 273

What must be added to the Celsius temperature to convert it to Kelvin?

10 of 27

600

Answer: 460 kPa

4.5 atm = ? kPa

1.00 atm = 760. mmHg = 101.325 kPa = 29.92 inHg = 14.7 psi

TK = TC + 273

STP

1 atm & 0 oC

11 of 27

800

Answer: 1150 mmHg

153 kPa = ? mmHg

1.00 atm = 760. mmHg = 101.325 kPa = 29.92 inHg = 14.7 psi

TK = TC + 273

STP

1 atm & 0 oC

12 of 27

1000

Answer:

What does an inverse relationship look like graphically?

13 of 27

200

Answer: Kelvin

What unit must be used for temperature in gas law calculations?

14 of 27

400

Answer: 18 L

If a gas has a pressure of 1.2 atm and a volume of 35 L, what will the new volume be if the pressure increases to 2.4 atm?

15 of 27

600

Answer: Standard temperature and pressure; 0oC and 1 atm

What is meant by “STP” and what are the values of STP?

16 of 27

800

Answer: 26 psi

On a warm day (30.0oC), a car’s tire has a pressure of 28 psi. If the volume of the tire remains constant, what pressure will the tire have on a cold day (4.00oC)?

17 of 27

1000

Answer: 254oC

A sample of CO2 gas has a pressure of 110.2 kPa at a certain temperature. If the CO2 sample has a pressure of 84.2 kPa at 130. oC, what was the original temperature (in oC)of the sample?

18 of 27

200

Answer: inversely

If one variable increases while another variable decreases, how are the two variables related?

19 of 27

400

Answer: direct

What type of relationship is shown in the graph below?

20 of 27

600

Answer: inversely

How are the pressure and volume of a gas related?

21 of 27

800

Answer: 70.4 L H2O

22 of 27

1000

Answer: 0.183 atm

A sample of gas is held at STP in a rigid container. If the gas is cooled to -223 oC, what will be the pressure of the gas?

23 of 27

200

Answer: John Adams

Who was the 2nd president of the United States?

24 of 27

400

Answer: New Orleans

What city inspired the theme of this year’s homecoming?

25 of 27

600

Answer: The Vatican

What is the smallest country in the world?

26 of 27

800

Answer: hydrogen

What is the most abundant element in the universe?

27 of 27

1000

Answer: cellular respiration

By what process to plants produce energy?