Home Chemistry Thermodynamics and Thermochemistry Thermodynamic Terms The work done on a system is 4 Joule when 20…
Chemistry Thermodynamics and Thermochemistry Thermodynamic Terms Single Correct MCQ
Published on: August 13, 2026

The work done on a system is 4 Joule when 20 Joule heat is released from it. Calculate the decreases in internal energy of the system.

A
16 J
B
28 J
C
30 J
D
32 J

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Text Solution

Verified by Experts
The correct answer is:
A

Joule

Joule (released from system)
Joule
So, decrease in internal energy Joule

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