Question 1

Gases are mostly empty space.

Accepted Answer

True for ideal and real gases

Answer

True for ideal but not real gases

Answer

False

Answer

True for real but not ideal gases

Question 2

Gas particles have no attraction for each other.

Accepted Answer

True for ideal but not real gases

Answer

False

Answer

True for ideal and real gases

Answer

True for real but not ideal gases

Question 3

Gases can flow.

Accepted Answer

True

Answer

True only if the temperature is just right

Answer

False

Question 4

Some gases are more dense than other gases.

Accepted Answer

True

Answer

False

Answer

True only if the temperature is just right

Question 5

Gases can be compressed.

Accepted Answer

True for ideal and real gases

Answer

True for ideal but not real gases

Answer

True for real but not ideal gases

Answer

False

Question 6

Which gases qualify as ideal gases?

Accepted Answer

There aren’t any ideal gases in existence

Answer

Oxygen & Nitrogen

Answer

Carbon dioxide

Answer

Helium & Neon

Question 7

Which moves faster at room temperature?

Accepted Answer

Smaller, less massive gases

Answer

Larger, more massive gases

Answer

They all move at the same speed

Question 8

Which of the following will we use for units of pressure?

Accepted Answer

atm & mm Hg

Answer

torr & kPa

Answer

psi & in Hg

Answer

We’ll use all of them

Question 9

When the temperature of a gas increases the particles ____.

Accepted Answer

speed up and try to move farther apart

Answer

slow down and try to move farther apart

Answer

speed up and try to move closer

Answer

slow down and try to move closer

Question 10

Gas pressure in a container is caused by ____.

Accepted Answer

collisions of the gas particles with the container wall

Answer

collisions of gas particles with each other

Answer

the mass of the gas

Answer

the inability to burp

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