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Gas Properties and Gas Laws

Total questions: 24

Worksheet time: 41mins

Name
Class
Date
1.

What does the kinetic theory states?

a)

At the same temperature the object that has the most mass heats quicker.

b)

Particles won't move if you don't apply energy to it.

c)

Particles only move in liquids and gases.

d)

Particles are always in motion.

2.

A sample of oxygen gas in a closed system has a volume of 200 L at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, what will be the new volume of the gas?

a)

100 L.

b)

200 L.

c)

300 L.

d)

400 L.

3.

Which of the following equations is Boyle’s Law?

a)

P1V1= P2V2P_1V_1=\ P_2V_2

b)

P1T1=P2T2\frac{P_1}{T_1}=\frac{P_2}{T_2}

c)

V1n1=V2n2\frac{V_1}{n_1}=\frac{V_2}{n_2}

d)

V1T1=V2T2\frac{V_1}{T_1}=\frac{V_2}{T_2}

4.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
5.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
6.
When a cold tire is inflated to a certain pressure and then is warmed up due to friction with the road, the pressure increases. This happens because the
a)
air molecules hit the walls of the tire less frequently
b)
rubber in the tires reacts with oxygen in the atmosphere
c)
air molecules speed up and collide with the tire walls more often
d)
air molecules diffuse rapidly through the walls of the tire.
7.

What will happen to the volume of a gas under constant pressure if the temperature increases?

a)

Decrease

b)

Explosion!

c)

Increase

d)

Nothing

8.
Gases are compressible.
a)
True
b)
False
9.

Gases do not expand.

a)

TRUE

b)

FALSE

10.
What happened to the pressure between the two steps?
a)
pressure increased
b)
pressure decreased
c)
pressure stayed the same
11.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure
12.

The kinetic molecular theory of matter states that all of the particles that make up matter are constantly

a)

growing

b)

shrinking

c)

crying

d)

moving

13.

When volume increases, pressure must...

a)

Increase

b)

Decrease

14.
Pressure is caused by ______.
a)
gravity.
b)
gas molecules colliding with each other.
c)
gas molecules colliding with surfaces of the container.
d)
gas molecules reacting with each other.
15.

In an "inverse relationship", such as Boyle's Law, when one variable shows an increase the other variable...

a)

increases as well

b)

remains constant

c)

shows a flat line on a graph

d)

decreases

16.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
17.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
18.
The following graph shows ____ relationship. 
a)
Direct
b)
Inverse
19.
A sample of gas with a volume of 30.0 mL at 25.0oC is heated to 50.0oC.  What is the new volume of the gas?
a)
60.0 mL
b)
15.0 mL
c)
27.5 mL
d)
32.5 mL
20.
A sample of oxygen gas has a volume of 150.0 mL when its pressure is .947 atm. What will the volume of the gas be if it is lowered to a pressure of 0.658 atm and the temperature remains constant?
a)
72 mL
b)
144 mL
c)
216 mL
d)
288 mL
21.

The pressure on a tank containing 0.3 moles of oxygen is 4.5 atm, and the temperature is 150 K. What is the volume of the gas?

(R = 0.0821)

a)

0.821 L

b)

8.21 L

c)

82.1 L

d)

821 L

22.

If you have 40 L of a gas at 6 atm, and 275K, how many moles will you have?

(R = 0.0821)

a)

10.6 mol

b)

0.1 mol

c)

150.5 mol

d)

81.2

23.

Gas particles are in constant motion. They travel in straight lines, and they constantly bounce off the walls of any container that holds them.

What does this constant bombardment of particles against the walls of the container create?

a)

Pressure

b)

Density

c)

Temperature

d)

Magnetism

24.

A rubber tire holds 2.3 moles of CO2 at a temperature of 273 K. The volume of the tire is 8 L. What is the Pressure?

(R = 0.0821)

a)

6.4 atm

b)

412.4 atm

c)

43.5 atm

d)

3.1 atm

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