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At constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with the rise in temperature due toA. Increase in average molecular speedB. Increase in the rate of collisions among the moleculesC. Increase in the molecular attractionD. Decrease in the mean free path |
| Answer» Pressure on the walls of the container is equal to the change of momentum per unit time per unit area. At constant volume, for a fixed number of moles of a gas, the pressure increases with rise in temperature due to increase in average molecular speed. This increases the change in momentum during collisions. | |