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In a closed container, if we increase the temperature of the vessel, the pressure also increases due to:

(A) Increase in average molecular speed (B) Increased rate of collisions amongst molecules (C) Increase in molecular attraction (D) decrease in mean free path

1 Answer

An increase in temperature of the vessel wil result in all four conditions but only (A) Increase in average molecular speed, will result in an increase in pressure.
(B) and (C) will not increase pressure ad its only intermolecular. Decrease in mean path won't affect the pressure.
Increase in temperature means an increase in velocity which in turn increases the momentum change on collision with the wall which means greater foce exerted and increase in pressure.
answered Feb 5, 2014 by balaji

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