A gas is compressed at a constant pressure of 0.800 atm from 8.00 L to 1.00 L. In the process, 360 J of energy

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A gas is compressed at a constant pressure of 0.800 atm from 8.00 L to 1.00 L. In the process, 360 J of energy

A gas is compressed at a constant pressure of 0.800 atm from 8.00 L to 1.00 L. In the process, 360 J of energy leaves the gas by heat.
(a) What is the work done on the gas?
__J
(b) What is the change in its internal energy?
__J

2007-12-04 18:08:10 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2 answers

W = P∆V
a)
W = (0.800 atm)(101.325 kPa/atm)(7 L)( 1m^3/1,000 L)
W ≈ 567.42 J
b)
∆U = 567.42 J - 360 J = 267.42 J

2007-12-04 18:43:30 · answer #1 · answered by Helmut 7 · 3⤊ 0⤋

Part B is 207.42J

2014-11-20 07:23:03 · answer #2 · answered by Anonymous · 0⤊ 1⤋