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An open vessel at $27^{0} C$ is heated until three-fourths mass of the air in it has been expelled. Neglecting the expansion of the vessel, the temperature to which the vessel has been heated is

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9270C

1080C

10000C

4770C

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detailed solution

Correct option is A

T1W1=T2W2 300×1=T2(1−34) T2=1200k

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An open vessel at 270C is heated until three-fourths mass of the air in it has been expelled. Neglecting the expansion of the vessel, the temperature to which the vessel has been heated is

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An open vessel at $27^{0} C$ is heated until three-fourths mass of the air in it has been expelled. Neglecting the expansion of the vessel, the temperature to which the vessel has been heated is