//Chemical Engineering Thermodynamics //Chapter 3 //First Law of Thermodynamics //Example 3.2 clear; clc; //Given n = 1;//kg moles of a gas Cv = 5;//specific heat in Kcal/Kgmole delT = 15;//increase in temperature in deg celsius //To calculate the change in internal energy Q = n*Cv*delT;//heat given to the system in Kcal W = 0;//work done delE = Q-W;//Change in internal energy mprintf('Change in internal energy is %f Kcal',delE); //end