Question

If one mole of H2 gas is occupies a rigid container with a capacity of 1000 litres and the temperature is raised from 27°C to 37°C, the change in pressure of the contained gas (round off to two decimal places), assuming ideal gas behaviour, is _______ Pa. (R = 8.314 J/mol-K)

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Answer :

83.14



V = Volume of rigid container

T1 = Initial temperature of the gas

T2 = Final temperature of the gas

P1V = nRT1

P2V = nRT2

(P2 – P1)V = nR(T2-T1)

ΔP × 1 = 1 × 8.314(37 – 27)

ΔP = 83.14 Pa

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