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+// Exa 9.9

+clc;

+clear;

+close;

+// Given data

+m = 1;// in kg

+p = 10;// in bar

+p = p * 10^2;// in kpa

+x = 0.94;

+h_sen = 762.61;// in kJ/kg

+L = 2013.6;// in kJ/kg

+v_s = 0.1942;// in m^3 per kg

+w_ext = p * x * v_s * m;// in kJ/kg

+disp(w_ext,"The work done during evaporation in kJ/kg is");

+// Part (b)

+L_internal = (x * L) - w_ext;// in kJ/kg

+disp(L_internal,"Internal latent heat in kJ/kg is");

+// Part (c)

+U_wet = h_sen+x*L-p*x*v_s;// in kJ/kg

+disp(U_wet,"Internal energy in kJ/kg is");