Gas Laws Chapter 14.1

1. Which of the following is NOT true about the kinetic molecular theory?

Gas particles do not attract or repel each other.
Gas particles are much smaller than the distances between them.
Gas particles have a small amount of kinetic energy lost when they collide with each other.
Gas particles exhibit Brownian motion.
All gases have the same average kinetic energy at a given temperature.

2. What happens to a gas in a balloon when you squeeze it?

The volume decreases.
The kinetic energy of the gas particles increases.
The pressure decreases.
The temperature inside the balloon increases.
The number of particles inside the balloon increases.

3. Who was the chemist that described the relationship between volume and pressure when the temperature is held constant?

Charles
Gay-Lussac
Ideal
Boyle
None of the above

4. A gas sample at 40.0 degrees C occupies a volume of 2.32 L. If the temperature goes up to 75.0 degrees C, what is the new volume?

2.67 L
2.44 L
2.58 L
3.22 L
0.39 L

5. A gas at 89 degrees C has a volume of 0.67 L. What is the temperature in degrees C if the volume increases to 1.12 L?

330 degrees C
270 degrees C
310 degrees C
177 degrees C
None of the above

6. The volume of a gas at 99.0 kPa is 0.3 L. If the pressure increases to 188 kPa, what is the new volume?

.158 L
6.33 L
.008 L
158 L
34.5 L

7. Hydrogen gas occupies a volume of .22 L at .86 atm. What is the volume at 29.2 kPa?

1.5 L
.015 L
.778 L
.42 L
.66 L

8. When two variables are on one side of an equation and the constant is on the other side of the equal sign, what kind of relationship exists between the variables?

direct
inverse
identical

9. Charles Law describes the relationship between:

pressure and temperature
volume and
of moles
volume and temperature
pressure and volume
None of the above

10. When solving problems involving temperature using one of the gas laws, what scale must be used?

degrees C
degrees F
K
STP
Z