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+//An Introduction to Chemical Thermodynamics
+//Chapter 3
+//Thermochemistry
+
+//Example 3.9
+clear;
+clc;
+
+//Given 
+delHf1 = -92.3;//heat of formation in kJ of HCl
+delHf2 = -168.0;//heat of formation in kJ of HCl.100 H2O
+
+//To determine the heat of solution of HCl in 100 H20
+delH = delHf2-delHf1;//heat of solution of HCl in 100 H20 in kJ
+mprintf('heat of solution of l in 100 H2O = %f kJ',delH);
+//end
+\ No newline at end of file