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The air inside a bicycle tire pump has 161 joules of work done on it as...

The air inside a bicycle tire pump has 161 joules of work done on it as 86.2 joules of heat are added to it. What is the change in internal energy of the air?

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Answer #1

Here

work done on the gas , W = 161 J

heat added , Q = 86.2 J

change in internal energy = W + Q

change in internal energy = 86.2 + 161

change in internal energy = 247.2 J

the change in internal energy of the air is 247.2 J

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