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Answer:
Your answer should be a. There is an increase in the number of collisions between particles and the walls of the container.
The reason why the pressure inside a container of gas would increase if more gas is added to the container is because: A. There is an increase in the number of collisions between particles and the walls of the container.
The kinetic-molecular theory of gas states that gas molecules (particles) typically exhibit a perfectly elastic collision and that they are always in a state of continuous (constant) random motion.
According to the kinetic-molecular theory, the average kinetic energy of gas molecules (particles) is directly proportional (highly dependent) to temperature.
- When the temperature of a gas placed in a rigid container is increased, there is an equivalent increase the pressure of the gas as well.
Consequently, this increase in kinetic energy causes the gas molecules (particles) to strike the walls of the container with more force and greater pressure, which increases if more gas is added to the container.
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