A) system can do work
B) system has temperature
C) system has pressure
D) heat is a form of energy
Correct Answer: D
Solution :
According to first law of thermodynamics, heat energy is supplied to a system\[\Delta Q=\Delta U+\Delta W\]where \[\Delta U=\]internal energy of system\[\Delta W=\]external work done Therefore, this law states that heat is form of energy,
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