Question
Use the kinetic theory of gases to explain why;
i) the pressure of a gas increases with temperature increase
ii) The pressure of a gas decreases as volume increases
i) the pressure of a gas increases with temperature increase
ii) The pressure of a gas decreases as volume increases
Answer
i) Increase in temperature causes gas molecules to move faster(increases in kinetic energy) hence they generate greater/ higher impulsive force on impact
ii) With increase in volume gas molecules are sparsely spaced so the rate of collision is reduced/ lowered
ii) With increase in volume gas molecules are sparsely spaced so the rate of collision is reduced/ lowered
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