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+// Exa 3.7

+clc;

+clear;

+close;

+// Given data

+W = 89.947;// in kJ

+T1 = 240;// in degree C

+T1=T1+273;// in K

+T2 = 115;// in degree C

+T2=T2+273;// in K

+C_v = W/(T1-T2);// in kJ/kg-K

+disp(C_v,"The value of Cv in kJ/kg-K is");

+V1 = 1;// in m^3 (assumed)

+V2 = 2*V1;// in m^3

+// (T1/T2) = (V2/V1)^(Gamma - 1)

+Gamma=log10(T1/T2)/log10(V2/V1)+1;

+Gamma = 1.4;

+C_p = Gamma * C_v;// in kJ/kg-K

+disp(C_p,"The value Cp in kJ/kg-K is");