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Q =  U + W

Work. Heat. Internal Energy. Q =  U + W. Then. And/Or. The gas gets hotter (Temp Rises) (+  U) . The Gas does Work (piston moves out) (+ W ) . If heat flows in (+Q).

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Q =  U + W

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  1. Work Heat Internal Energy Q = U + W Then And/Or The gas gets hotter (Temp Rises) (+U) The Gas does Work (piston moves out) (+W) If heat flows in (+Q) Frieda Peoples lets 45 J of heat flow into a gas that does 21 J of work. By how much does the internal energy change? Does the temp rise or fall? Bob White lets 54 J flow into the gas, and it does 67 J of work. By how much does the internal energy change? Does the temp rise or fall? Job Shadeau does 89 J of work on a gas by compressing it, and the internal energy increases by 52 J. What is the change in heat of the gas? What happens to the temperature? +24 J, rises -13 J, falls -37 J (heat flows out), gets hotter

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