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Forum Question BankWhen gases are heated from 20 to 40ºC at consta…

MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryGaseous stateIdeal Gas laws

When gases are heated from 20 to 40ºC at constant pressure, their volumes

A.increase by the same magnitude

B.become double

C.increase in the ratio of their molecular masses

D.increase but to different extent✓ Correct

Explanation

1 1 2 2 293 " " inKelvins 313 V T T V T 2 1 313 293 V V (Charle’s law)

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