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//Chapter 11 Thermodynamics Some Basic Concepts
clc;
clear;
//Initialisation of Variables
T= 25 //C
T1= 75 //C
k= 6.45 //cal per mole per degree
k1= 1.41*10**-3 //cal per mole per degree k^-1
k2= -8.1*10**-8 //cal per mole per degree k^-2
m= 14 //gms
M= 28 //gms
//CALCULATIONS
Cp= k+k1*(273+T)+k2*(273+T)**2
Cp1= k+k1*(273+T1)+k2*(273+T1)**2
cp= (Cp+Cp1)/2
H= (m/M)*cp*(T1-T)
H1= (m/M)*(k*(T1-T)+(k1/2)*((273+T1)**2-(273+T)**2)+(k2/3)*((273+T1)**3-(273+T)**3))
//RESULTS
mprintf("Heat required= %.1f cal",H)
mprintf("\nValue of dH= %.1f cal",H1)
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