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Question

In an isothermal change of an ideal gas, ΔU=0. The change in the heat energy ΔQ is equal to

A
0.5 W
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B
W
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C
1.5 W
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D
2 W
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Solution

The correct option is C W
dQ=dU+W

At isothermal condition dU=0
Hence dQ=W

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