A system consisting of 0.0331 moles of a diatomic ideal gas is taken from state

Question

A system consisting of 0.0331 moles of a diatomic ideal gas is taken from state A to state C along the path in the figure below How much work is done on the gas during this process? Your response differs from the correct answer by more than 10%. Double check your calculations. What is the lowest temperature of the gas during this process? Where does it occur? Point A Point B Point C Find the change in internal energy of the gas in going from A to C. Find the energy delivered to the gas in going from A to C.

Explanation / Answer

a)

work done on gas

W = -(0.5x6 +(6x0.3x0.5 ) 100

W = -390J

b)

PV/nR = T

T = 220.8 K

c)

delta U = 1.5 (P2V2-P1V1

delta U = 510 J

d)

Q+W = delta U

Q = 900J

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