CH12.1.0 Kinetic Molecular Theory

Match

Match the following

• joules (J)

• Kelvin (K)

• pascals (Pa)

• moles (mol)

• molar mass

KE

T

P

n

ΣM

• KE

• T

• P

• n

• ΣM

Categorize

Options (6)

KE

energy of motion

m

amount of matter

v

speed and direction of motion

Organize these options into the right categories

kinetic energy

mass

velocity

Multiple Select

Gas pressure is caused by

• Gas molecules heating up

• Gas molecules reacting with other gas molecules

• Gas molecules hitting the walls of a container

• Gas molecules hitting other gas molecules

Dropdown

In the KMT, [ideal] gases are assumed to have gas particles that are very ​

Select answer

. It is assumed that there are ​

Select answer

significant ​

Select answer

or repulsive intermolecular forces among gas particles.

Drag and Drop

In the KMT model of [ideal] gases, gas particles' are ​

Placeholder

moving in ​

Placeholder

patterns. We assume that gas particles move in a ​

Placeholder

path until they ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

constantly

random

organized

straight

nonlinear

collide

stop

Dropdown

Because energy is ​

Select answer

. We assume that the amount of matter, that is ​

Select answer

, and ​

Select answer

determine how much

Select answer

a gas particle has.

Multiple Choice

Gas states have _ densities than liquid or solid states.

• lower

• higher

• same

Dropdown

Gases can be compressed because there is a ​

Select answer

amount of empty space between the particles. Once the pressure causing compression is removed, gases will ​

Select answer

to fill up the volume of the container.

Multiple Choice

A student adds drops of dye to a beaker of room-temperature water. Which diagram best shows the end result of diffusion?

Multiple Choice

Effusion is

• used to describe the combustibility of a gas.
• ability of a gas to escape through a tiny opening
• what occurs after diffusion.
• the ability of a gas to mix with other gases.

Multiple Choice

The picture is an example of _.

• isotonic
• diffusion
• osmosis
• active transport

Multiple Choice

Lighter gases have a _ rate of effusion.

• faster 
• slower
• rate of effusion does not depend on mass.

Hotspot

Where is there a low concentration of perfume?

Multiple Choice

Diffusion is the movement of molecules from an area of _ concentration to a _ concentration

• high, low

• low, high

• low, low,

• high, high

Multiple Choice

The rate of effusion is _ proportional to the square root of its' molar mass. 

• directly

• inversely 

Multiple Choice

What is the term for the weight of air molecules pushing down on Earth?

• gravity

• wind

• air pressure

• oxygen

Multiple Choice

Warm air molecules move

• faster

• slower

Multiple Choice

Dalton's Law states...

• that at a constant temperature the volume of a confined ideal gas varies inversely with its pressure.
• that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases
• how gases tend to expand when heated
• that the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.

Multiple Choice

Which equation represents Dalton's Law?

• $$E=mc^{2\ }$$

• $$PV=nRT$$

• $$\frac{P_1}{T_1}=\frac{P_2}{T_2}$$

• $$\Sigma\ P=P_{1\ }+...+P_n$$

Multiple Choice

What does STP stand for?

• Standard Temperature and Pressure
• Sometimes Teddybears Pop

• Stuff Things Pushsaw

• Scientifically Transformed Pickles