Home Chemistry Thermodynamics and Thermochemistry Heat of Reaction Two litres of an ideal gas at a pressure of …
Chemistry Thermodynamics and Thermochemistry Heat of Reaction Single Correct MCQ
Published on: August 14, 2026

Two litres of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until its total volume is 10 litres. How much heat is absorbed and how much work is done in the expansion?

A
10 J
B
8 J
C
18 J
D
0 J

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Verified by Experts
The correct answer is:
D

For isothermal expansion in vacuum,

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