Two moles of a dilute gas initially have a pressure equal to 100 [kPa], a volume equal to 0.02 [m³] and an internal energy equal to 500 [J]. 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 300 [kPa], a volume equal to 0.08 [m³] and an internal energy equal to 1000 [J]. Find (a) the work done and (b) the heat absorbed by the gas. [Physics for Scientists and Engineers with Modern Physics 6th Edition] Answer: (a) W = (b) Q = [J] [J]

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2. First Law
Two moles of a dilute gas initially have a pressure equal to 100 [kPa], a volume equal to 0.02 [m³]and an
internal energy equal to 500 [J]. 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 300 [kPa], a volume equal to 0.08 [m³] and an
internal energy equal to 1000 [J]. Find (a) the work done and (b) the heat absorbed by the gas. [Physics for
Scientists and Engineers with Modern Physics 6th Edition]
Answer:
(a) W =
(b) Q =
[J]
[J]
Transcribed Image Text:2. First Law Two moles of a dilute gas initially have a pressure equal to 100 [kPa], a volume equal to 0.02 [m³]and an internal energy equal to 500 [J]. 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 300 [kPa], a volume equal to 0.08 [m³] and an internal energy equal to 1000 [J]. Find (a) the work done and (b) the heat absorbed by the gas. [Physics for Scientists and Engineers with Modern Physics 6th Edition] Answer: (a) W = (b) Q = [J] [J]
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