Question

On heating, the kinetic energy of the molecules
(a) increases
(b) decrease
(c) remains the same
(d) either increase or decrease

Answer 1

If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. ... If the gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases, both of which increase the pressure exerted by the gas (Figure 1). Avogadro's law.

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