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One mole of a dilute gas initially has a pressure equal to 1.00 atm, and a...

One mole of a dilute gas initially has a pressure equal to 1.00 atm, and a volume equal to 21.0 L and an internal energy of 3.19 kJ. As the gas is slowly heated, the plot of its state on a PV diagram moves in a straight line to the final state. The gas now has a pressure equal to 3.00 atm, and a volume equal to 74.0 L, and an internal energy equal to 33.7 kJ.

(a) Find the work done by the gas.
kJ

(b) Find the heat absorbed by the gas.
kJ

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Answer #1

change in intemal energy dU (33.7-3.19) 30.51kJ the P-V plot is stright line. PPconstant compare with PV- constant x--1 work

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