Question

When the temperature of a gas is increases within a closed container, pressure increases due to which of the following?

A. The frequency of collisions between molecules and the container walls decreases.

B. The frequency of collisions between molecules and the container walls increases.

C. The spaces between the molecules of gas decrease.

D. The gas turns into a liquid.

Answer 1

Answer:

It's (B). According to the kinetic theory of gases, the higher the temperature, the the faster the gas particles move inside the container, thus increasing the frequency at which they hit the walls thereby increasing the pressure.

Answer 2

The pressure increases due to the frequency of collisions between molecules and the container walls increases.

What is kinetic theory of matter?

The kinetic theory of matter states that all matter consists of numerous small particles which are in constant motion, colliding with one another.

When the temperature of a gas is increases within a closed container, the average kinetic energy of the gas increases.

Thus, when the temperature of a gas is increases within a closed container, pressure increases due to the frequency of collisions between molecules and the container walls increases.

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