Questions
Heat of 30 kcal is supplied to a system and 4200 J of external work is done on the system so that its volume decreases at constant pressure. What is the change in its internal energy. (J = 4200 J/kcal)
a
1.302 × 105 J
b
2.302 × 105 J
c
3.302 × 105 J
d
4.302 × 105 J
detailed solution
Correct option is A
J = 4200J/kcalNow,Talk to our academic expert!
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Which of the following laws of thermodynamics defines internal energy?
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