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+//Example 4.20
+clear;
+clc;
+
+//Given
+SoC2H5OH=160.7;//So for ethanol
+SoC=5.7;//So for graphite
+SoH2=130.6;//So for hydrogen
+SoO2=205.1;//So for oxygen
+
+//To determine the standard entropy of formation of ethanol
+delSo=SoC2H5OH-((2*SoC)+(3*SoH2)+(0.5*SoO2));//standard entropy of formation of ethanol in J K^-1 mol^-1
+mprintf('Standard entropy of formation of ethanol = %f J K^-1 mol^-1',delSo);
+//end
+\ No newline at end of file