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Grade: 11

                        

2 moles of an ideal gas at 2 atm and 25 C are compressed isothermally to one third of its volume by an external pressure of 6 atm. calculate q, w and del u

4 years ago

Answers : (1)

Vikas TU
12273 Points
							
At isothermmal del U = 0 .
W = nRTln(Vf/Vi) = > -2R*298*ln(V/3V)  => 57.75 JOULE.
U = Q + W
As U = 0
Q = -57.75 Joule.
4 years ago
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