KMT, Pressure & Temperature

A hypothetical gas that perfectly fits all the assumptions of the kinetic molecular theory is known as

• real gas

• ideal gas

• imaginary gas

• perfect gas

Which of the following is an assumption of the kinetic-molecular theory of gases?

• Collisions between gas particles are inelastic.

• Gases consist of closely spaced particles.

• Gas particles move around in an orderly manner.

• The temperature of a gas depends on the average kinetic energy of the gas particles.

Which condition is necessary for most gases to behave nearly ideally?

• high pressure

• high temperature

• low compressibility

• low expansion

Which states of matter are fluid?

• gases and liquids

• liquids and solids

• gases only

• liquids only

The pressure exerted by a gas does not depend on

• temperature.

• volume.

• number of moles present.

• the identity of the gas.

According to the Kinetic Molecular Theory a liquid's (SELECT ALL THAT APPLY)

• particles are held close together by intermolecular forces

• particles are in constant motion

• particles are vibrating in place and closely packed

• particles are not moving

Tags

NGSS.MS-PS1-1

Which is an endothermic phase change?

• gas to solid
• liquid to solid
• gas to liquid
• liquid to gas

Tags

NGSS.MS-PS1-4

Which process changes a gas to a solid?

• solidification
• deposition
• sublimation
• freezing

Gas particles have the ________ kinetic energy because they move the fastest.

• least
• most

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Gases are described as having a 

• definite shape and indefinite volume
• indefinite shape and indefinite volume
• definite shape and definite volume
• indefinite shape and definite volume