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Gases

Total questions: 21

Worksheet time: 19mins

Name
Class
Date
1.
Which of the following statements about the particle of a gas is true?
a)
Gases can be compressed because their particles are smaller than those of liquids or solids.
b)
Gases can be compressed because there is plenty of space between their particles.
c)
Gases can be compressed because they have low boiling points.
d)
Gases can be compressed because their particles are more elastic than those of liquids or solids.
2.
What is the change of state from a solid straight to a gas called?
a)
melting
b)
evaporating
c)
freezing
d)
sublimation
3.

Which state of matter have the weakest intermolecular forces?

a)

solid

b)

liquid

c)

gas

4.
An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?
a)
The particles move more slowly and become closer together.
b)
The particles move more slowly and become further apart.
c)
The particles move faster and become closer together.
d)
The particles move faster and become further apart. 
5.

an ideal gas in closed cylinder if the temperature of the gas increases , What will Happen to the pressure

a)

stay same

b)

increase

c)

decrease

d)

non of the above

6.

an ideal gas in cylinder and the piston of the cylinder moving down , What happen to the gas temperature

a)

increase due to the collisions between the particles

b)

decrease due to lost energy

c)

stay same

d)

non of the above

7.

an ideal gas inside a cylinder and the piston of the cylinder moving up , what will happen to the gas pressure

a)

gas pressure will decrease

b)

gas pressure will increase

c)

stay same

d)

non of the above

8.

a real gas inside a cylinder and piston moving down, how the temperature of the gas will change

a)

increase

b)

decrease

c)

stay the same

d)

non of the above

9.

a gas is compressed by an external force , the volume of the gas is decreased

a)

the internal energy of the particles is increased

b)

the internal energy of the particles is decreased

c)

the internal energy of the particles stay the same

d)

non of the above

10.
Which of the following has the lowest density?
a)
Gasses
b)
Solids
c)
Liquids
d)
All mater is the same density
11.
Which of the following has the greatest amount of movement at a given temperature?
a)
Gas
b)
Liquid
c)
Solid
d)
They all have the same movement
12.
You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
13.
If you place a balloon in a freezer what happens to the size of the balloon?
a)
Doubles
b)
increases
c)
decreases
d)
stays still
14.
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.
15.
Which is true about kinetic theory of gases?
a)
temperature determines the kinetic energy of particles
b)
particles lose energy when they collide with one another
c)
molar mass determines the kinetic energy of particles
d)
container size determines kinetic energy of the particle
16.
Compressing a gas makes the pressure _______.
a)
increase
b)
decrease
c)
stay the same
d)
I don't know
17.
When you heat a gas, the particles' energy ________ . This causes the particles to _______________.
a)
increases, have fewer collisions
b)
increases, have more collisions
c)
decreases, have more collisions
d)
remain the same, have more collisions
18.
According to the kinetic-molecular theory, particles of matter 
a)
are in constant motion
b)
have different shapes
c)
have different colors
d)
are always fluid
19.
The movement of gas molecules is greatly affected by _________.
a)
the shape of the container
b)
size of the container
c)
temperature of the container
20.

The constant motion that all particles of matter exhibit is called...

a)

Brownian motion

b)

Brow Knee Emotion

c)

I like brownies!

21.

The energy of motion is called...

a)

emotive energy

b)

unstatic energy

c)

kinetic energy

d)

Kelvin energy

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