"C_p-C_v = R" ...(1)
"k = \\frac{C_p}{C_v}" ...(2)
From 1 and 2
"R = 1.49C_v-C_v = 0.49C_v"
"C_v = \\frac{0.4305}{0.49}=0.8785" "\\frac {kJ} {kg K}"
"Q = mC_v\\triangle U"
"Q =2 \\times 0.8785 \\times 1458.01 = 2561.72 kJ"
work done "W = Q - \\triangle U =2561.72 - 1458.01 =1103.71 kJ"
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