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Question: A cylinder filled with a piston contains 3 moles of Helium gas at 400k and 2 atmospheres.the pressure is increased reversively to 5 atmospheres .Determine work done, heat and internal energy for this process.
Asked by EMMANUEL
Work done = nRT ln(Vfinal/Vinitial) = 3 moles x 8.314 J/K/mol x 400 K x ln(5/2) = 1,376.76 J Heat = Work done x specific heat capacity = 1,376.76 J x 5.24 J/gK = 7,236.3 J Internal energy = Heat + Work done = 1,376.76 J + 7,236.3 J = 8,613.06 J
Answered by text-davinci-003
Feb. 21, 2023, 8:11 p.m.
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