what is the solution to this problem? A gas is compressed at a constant pressure
ID: 1672724 • Letter: W
Question
what is the solution to this problem? A gas is compressed at a constant pressure of 0.800 atm from 10.00L to 2.00 L. In the process,360 J of energy leaves the gas byheat. (a) What is the work done on thegas?1 J
(b) What is the change in its internal energy?
2 J what is the solution to this problem? A gas is compressed at a constant pressure of 0.800 atm from 10.00L to 2.00 L. In the process,360 J of energy leaves the gas byheat. (a) What is the work done on thegas?
1 J
(b) What is the change in its internal energy?
2 J (a) What is the work done on thegas?
1 J
(b) What is the change in its internal energy?
2 J
Explanation / Answer
Pressure P = 0.8 atm = 0.8 * 101.3 * 10 ^ 3 Pa
Change in volume dV = 2 L – 10 L = -8 L = -8 *10 ^ -3 m ^ 3
Energy leaves Q = -360 J Since it leaves wetake negative sign
(a). work done W = PdV = -648.32 J
(b). Chang ein internal energy U = Q –W = 288.32 J
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