Introduction to Gases

The theory that explains the behavior of gases at the molecular level is called

the

• kinetic theory

• ideal gas theory

• boyles law

• charles's law

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The kinetic theory is based on the assumptions about a theoretical gas called an

• fast gas

• ideal gas

• normal gas

• standard gas

Gases deviate from ideal behavior at:

• very low temperature

• very high temperature

• very low pressure

• it never deviates

Gases deviate from ideal behavior at:

• very high temperatures

• very low pressures

• very high pressures

• it never deviates from ideal behavior

The molecules of an ideal gas display no

• sinusoidal behavior to one another

• frequency to one another

• retraction to one another

• attraction or repulsion to one another

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Under ordinary conditions, an ideal gas consists chiefly of

• areas of condensatoin

• block molecules

• empty space

• mcdonalds

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Ideal gas particles travel in _________ lines until they collide with each other or with the walls of their container

• perpendicular

• zigzag

• parallel

• straight

The collisions between the molecules of an ideal gas are completely

• elastic

• inelastic

• destroyed

• animated

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The average kinetic energy of the molecules of an ideal gas is ____________

proportional to the ____________ temperature of the gas.

• directly, Kelvin

• indirectly, Celsius

• indirectly,Fahrenheit

• directly, celsius

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NGSS.HS-PS3-2

A gas exerts pressure on the walls of its container because gas molecules____________ with the walls of the container.

• dance

• collide

• supersede

• repel