At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with rise of temperature due to

Question

At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with rise of temperature due to (A) increase in average molecular speed (B) increase rate of collisions amongst molecules (C) increase in molecular attraction (D) decrease in mean free path

Tardigrade Admin · Accepted Answer

Average speed =√(8RT/π M) i.e. at constant volume, for a fixed mass, increasing temperature increases average speeds and molecules collide more frequently to the wall of container leading to increase in gas pressure.

Q. At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with rise of temperature due to

increase in average molecular speed

increase rate of collisions amongst molecules

increase in molecular attraction

decrease in mean free path

Average speed $= \frac{8 RT}{π M}$
i.e. at constant volume, for a fixed mass, increasing temperature increases average speeds and molecules collide more frequently to the wall of container leading to increase in gas pressure.

Q. At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with rise of temperature due to

increase in average molecular speed

increase rate of collisions amongst molecules

increase in molecular attraction

decrease in mean free path

Average speed =πM8RT​​ i.e. at constant volume, for a fixed mass, increasing temperature increases average speeds and molecules collide more frequently to the wall of container leading to increase in gas pressure.

Average speed $= \frac{8 RT}{π M}$
i.e. at constant volume, for a fixed mass, increasing temperature increases average speeds and molecules collide more frequently to the wall of container leading to increase in gas pressure.