Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A gas is allowed to expand in a well-insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 
to a final volume of4.50 L. The change in internal energy 
of the gas in joules will be
A
B
C
D
1136.25 
Text Solution
Verified by ExpertsThe correct answer is:
B
As, the container is insulated, thus 
Hence, 
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