A) -50 J
B) 20 J
C) 30 J
D) 50 J
Correct Answer: D
Solution :
[d] According to first law of thermodynamics \[\Delta Q=\Delta U+\Delta W\] \[\Delta U=\Delta Q-\Delta W\] \[\Delta Q=35J,\Delta W=-15J\] \[\Delta U=35J-\left( -15J \right)=50J\]You need to login to perform this action.
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