A quantity of hydrogen 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. What is thetemperature when the pressure is 400 torr?

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109.2°C

109.2K

273 K

100 K

answer is B.

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Detailed Solution

p∝T (at constant volume) T2=T1p2p1=273 (temperature of melting ice) ×4001000 = 109.2K

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