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Question
The number of collisions of molecules of an ideal gas with the walls of the container is increasing per unit time . Which of the following quantities must also be increasing? I.pressure
II. temperature
III. number of moles of gas.
The number of collisions of molecules of an ideal gas with the walls of the container is increasing per unit time . Which of the following quantities must also be increasing?
I.pressure II. temperature
III. number of moles of gas.
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Solution
The correct option is C I and II only
If there are more collisions between the molecules and the walls of the container, there must be more pressure against the walls. If there are more collisions, the molecules must have a higher average kinetic energy, and since kinetic energy is proportional to temperature, the temperature is also increasing.
If there are more collisions between the molecules and the walls of the container, there must be more pressure against the walls. If there are more collisions, the molecules must have a higher average kinetic energy, and since kinetic energy is proportional to temperature, the temperature is also increasing.
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