Question

Part 1. A lightly inflated balloon is placed in a freezer. Explain the change to the size of the balloon based on the kinetic molecular theory.
Part 2. What would most likely happen to the balloon if it was instead kept outside in the sun for some time? Explain your answer based on the kinetic molecular
theory.
In both cases, assume the balloon is tied tight enough so that air does not escape.

Answer 1

According to Kinetic molecular theory, the frozen balloon shrank and it will expands and get burst when it is kept in sun.

What is Kinetic molecular theory ?

Kinetic molecular theory of gases is a theoretical model that describes the molecular composition of the gas in terms of a large number of submicroscopic particles which include atoms and molecules.

According to this theory, gas pressure arises due to particles colliding with each other and the walls of the container.

Because the average kinetic energy of the gas molecules in a balloon decreases when the temperature decreases.

This makes the molecules move more slowly and have less frequent and weaker collisions with the inside wall of the balloon, which causes the balloon to shrink a little.

Due to the sun's heat, the kinetic energy of particles in the balloon increases and it expands and continues to expand and comes to a stage when the balloon bursts.

Therefore,

According to Kinetic molecular theory, the frozen balloon shrank and it will expands and get burst when it is kept in sun.

Learn more about kinetic theory here ;

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