Q = 0 so delta(E_int) = - W
and for adiabatic process,
W = (P1 V1^Y)[ V2^(1-Y) - V1^(1-Y)] / (1 - Y)
P1 = 5.04 x 101325 Pa
V1 = 12.6 x 10^-3 m^3
and V2 = 30.8 x 10^-3 m^3
for diatomic, Y = 7/5 = 1.40
putting values,
W = 4835.5 J
(D) delta(E_int) = - 4835.5 J
(E) W = 4835.5 J
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