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Nitella [24]
3 years ago
11

600 J of work is done on a system in a process that decreases the thermal energy of the system by 300 J.

Physics
1 answer:
Daniel [21]3 years ago
6 0

Answer:

900 J

Explanation:

\Delta U = Change in entropy = -300 J (Decrease)

W = Work done = 600 J

Q = Heat transferred

Change in internal energy is given by

\Delta U=W+Q\\\Rightarrow Q=\Delta U-W\\\Rightarrow Q=-300-600\\\Rightarrow Q=-900\ J

The heat transferred to or from the system as heat is -900 J.

900 J is transferred. As heat is transferred from the system the sign is negative.

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