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Problem
Problem
The internal energy of a gas is given by
U
=
2
p
V
U = 2pV
U
=
2
p
V
. It expands from
V
0
V_0
V
0
to
2
V
0
2V_0
2
V
0
against a constant pressure
p
0
p_0
p
0
. The heat absorbed by the gas in the process is a.
2
p
0
V
0
2p_0V_0
2
p
0
V
0
b.
4
p
0
V
0
4p_0V_0
4
p
0
V
0
c.
3
p
0
V
0
3p_0V_0
3
p
0
V
0
d.
p
0
V
0
p_0V_0
p
0
V
0
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