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. When heat energy of 1500 Joules , is ...

. When heat energy of 1500 Joules , is supplied to a gas at constant pressure `2.1xx10^(5)N//m^(2),` there was an increase in its volume equal to `2.5xx10^(-3)m^(3)`.The increase in internal energy of the gas in joules is

A

450

B

525

C

975

D

2025

Text Solution

Verified by Experts

The correct Answer is:
C
`Delta Q=Delta U+P Delta V implies Delta U=Delta Q-P DeltaV`
`=1500-(2.1xx10%5)(2.5xx10^(-3))=975 J`
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