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+//Calculate the value of the Standard molar Entropy of the reactions (a)CaCO3(s)gives CaO(s)+CO2(g).(b)2H2(g)+O2(g)gives 2H2O(l).(c)N2(g)+O2(g)gives 2NO(g)

+

+//Example 5.8

+

+clc;

+

+clear;

+

+Sbar1=39.8;  //Standard Molar Entropy of CaO in J K^-1 mol^-1

+

+Sbar2=213.6;  //Standard Molar Entropy of CO2 in J K^-1 mol^-1

+

+Sbar3=92.9;  //Standard Molar Entropy of CaCO3 in J K^-1 mol^-1

+

+delrS1=(Sbar1+Sbar2)-(Sbar3);  //Standard Molar Entropy change for the reaction (a)in J K^-1 mol^-1

+

+printf("(a)Standard Molar Entropy change for Calcium Carbonate = %.1f J K^-1 mol^-1",delrS1);

+

+Sbar4=69.9;  //Standard Molar Entropy of H2O in J K^-1 mol^-1

+

+Sbar5=130.6;  //Standard Molar Entropy of H2 in J K^-1 mol^-1

+

+Sbar6=205.0;  //Standard Molar Entropy of O2 in J K^-1 mol^-1

+

+delrS2=(2*Sbar4)-((2*Sbar5)+(Sbar6)); //Standard Molar Entropy change for the reaction (b)in J K^-1 mol^-1

+

+printf("\n (b)Standard Molar Entropy change for Hydrogen = %.1f J K^-1 mol^-1",delrS2);

+

+Sbar7=210.6;  //Standard Molar Entropy of NO in J K^-1 mol^-1

+

+Sbar8=191.5;  //Standard Molar Entropy of N2 in J K^-1 mol^-1

+

+Sbar9=205.0  //Standard Molar Entropy of O2 in J K^-1 mol^-1

+

+delrS3=(2*Sbar7)-((Sbar8)+(Sbar9));  //Standard Molar Entropy change for the reaction (c)in J K^-1 mol^-1

+

+printf("\n (c)Standard Molar Entropy change for Nitrogen = %.1f J K^-1 mol^-1",delrS3);