Physics
Heat
Easy
Question
Find the external work done by the system in kcal, when 20 kcal of heat is supplied to the system and the increase in the internal energy is 8400 J (J=4200J/kcal) ?
- 26 kcal
- 16 kcal
- 20 kcal
- 30 kcal
The correct answer is: 16 kcal
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