Kinetic Molecular Energy

How will you describe air?

• one kind of gas particle

• a mixture of several kind of gases

• a compound made of gases

• particles of reactive gases

Which state of matter has the most kinetic energy?

• solid

• liquid

• gas

• plasma

Why liquids cannot be easily compressed?

• The particles are too close together to be squeezed closer.

• The particles are arrange in fixed position.

• The particles are free to move and hard to squeeze together.

• The particles are held together by a strong force.

What type of collision exist in gas particles in which no energy is lost?

• perfectly elastic

• either elastic or inelastic

• mostly inelastic

• perfectly inelastic

In which type of matter has the most space?

• solid

• liquid

• gas

• plasma

Describe the average kinetic energy of particles in a substance.

• The average kinetic energy of particles increases directly with temperature.

• The average kinetic energy of particles decreases as temperature increases.

• The average kinetic energy of particles is equal to the total amount of energy absorbed.

• The average kinetic energy of particle is not affected by temperature.

Since liquids and gases are able to flow, they are called _______________.

• matter

• energy

• fluids

• element

Gases have more density than solid and liquid.

• True

• False

Kinetic molecular theory makes several assumptions about ___________________.

• the motion and weight of molecules

• the energy and motion of molecules

• the size and shape of molecules

• the motion and size of molecules

An increase in the average kinetic energy of a sample of a gas occurs when there is an increase in ________. 

• temperature

• concentration

• volume

• pressure