Which of the Assumptions of the Kinetic-Molecular Theory Best Explains

question 54

Multiple Choice

Which of the assumptions of the kinetic-molecular theory best explains the observation that a balloon collapses when exposed to liquid nitrogen (which is much colder than a cold winter day!!) ?

• A)Gas molecules move at random with no attractive forces between them.
• B)The velocity of gas molecules is proportional to their Kelvin temperature.
• C)The amount of space occupied by a gas is much greater than the space occupied by the actual gas molecules.
• D)In collisions with the walls of the container or with other molecules,energy is conserved.
• E)Collisions with the walls of the container or with other molecules are elastic.

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