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A certain mass of a gas is expended from...

A certain mass of a gas is expended from [2 L, 20 atm, 300 K] to [5 L, 10 atm, 320 K] against a constant external pressure of 5 atm. If heat capacity of the gas is `100J//^(@)C` then enthalapy change of the process will be : [1 atm lit. = 100 J]

A

2 kJ

B

0.5 kJ

C

1.5 kJ

D

1 kJ

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The correct Answer is:
C
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