//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 4, Page 55 //Title: Calculation of temperature //============================================================================= clear clc //INPUT W = 10; //Weight of nitrogen in lb MW = 28; //Molecular weight of nitrogen in lb/lb mole P1 = 14.7; //Pressure at standard conditions in psi T1 = 273; //Temperature at standard conditions in K P2 = 150; //Maximum pressure in psi V2 = 30; //Given volume of nitrogen in cu ft //CALCULATIONS n = W/MW; //No of moles of Nitrogen at standard conditions in lb mole V1 = n*359; //Volume of nitrogen at standard conditions in cu ft T2 = T1*(P2/P1)*(V2/V1); //Temperature at given conditions in K T = T2-273; //Temperature at given conditions in degree C //OUTPUT mprintf('\n The maximum temperature to which %2.0f lb of nitrogen can be heated is %4.0f K or %4.0f degree C',W,T2,T); //========================= END OF PROGRAM ====================================