clc cp = 1.968 // Heat capacity in kJ/kg cv = 1.507 // Heat capacity in kJ/kg R_ = 8.314 // Gas constant V = 0.3 // Volume of chamber in m^3 m = 2 // mass of gas in kg T1 = 5// Initial gas temperature in degree Celsius T2 = 100 // Final gas temperature in degree Celsius R = cp-cv // Universal gas constant mu = R_/R // molecular weight Q12 = m*cv*(T2-T1) // The heat transfer at constant volume W12 = 0 // work done U21 = Q12 // change in internal energy H21= m*cp*(T2-T1) // change in enthalpy S21 = m*cv*log((T2+273)/(T1+273)) //change in entropy printf("\n Example 10.2") printf("\n\n Gas constant of the gas is %f kJ/kg K ",R) printf("\n Molecular weight the gas is %f kg/kg mol",mu) printf("\n The heat transfer at constant volume is %f kJ",Q12) printf("\n Work done is %d kJ",0) printf("\n The change in internal energy is %f kJ",U21) printf("\n The change in enthalpy is %f kJ",H21) printf("\n The change in entropy is %f kJ/k",S21) //The answers vary due to round off error