A quantity of gas is confined in a chamber of constant volume. When the chamber is immersed in a bath of melting ice, the pressure of the gas is 1000 torr. Final temperature when the pressure manometer indicates an absolute pressure of 400 torr, is

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109 K

273 K

373 K

0 K

answer is A.

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Detailed Solution

Initial temperature (of melting ice) = 0oC = 273 KAt constant volume p ∝ T∴T2=p2T1p1=400×2731000=109.2K

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