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+//Hougen O.A., Watson K.M., Ragatz R.A., 2004. Chemical process principles Part-1: Material and Energy Balances(II Edition). CBS Publishers & Distributors, New Delhi, pp 504
+
+//Chapter-3, Illustration 2, Page 54
+//Title: Calculation of weight
+//=============================================================================
+clear
+clc
+
+//INPUT
+V2 = 100; //Volume of water vapor in cu ft
+MW = 18; //Molecular weight of water vapor in lb/lb mole
+P1 = 760; //Pressure at standard conditions in mm Hg
+T1 = 273; //Temperature at standard conditions in K
+P2 = 15.5; //Given pressure in mm Hg
+T = 23; //Given temperature in degree C
+
+//CALCULATIONS
+T2 = T+273; //Given temperature in K
+V1 = V2*(P2/P1)*(T1/T2); //Volume of water vapor at standard conditions in Cu ft
+n = V1/359; //Moles of water vapor in lb mole
+W = n*MW; //Weight of water vapor in lb
+
+//OUTPUT
+mprintf('\n Weight of %3.0f cu ft of water vapor at given conditions is %5.4f lb',V2,W);
+
+//=================================END OF PROGRAM==============================
+\ No newline at end of file