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diff --git a/647/CH12/EX12.7/Example12_7.sce b/647/CH12/EX12.7/Example12_7.sce
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+clear;
+clc;
+
+// Example: 12.7
+// Page: 485
+
+printf("Example: 12.7 - Page: 485\n\n");
+
+// Solution
+
+//*****Data******//
+// Reaction: CO(g) + H2O(g) = CO2(g) + H2(g)
+T1 = 298;// [K]
+T2 = 1000;// [K]
+P = 1;// [bar]
+K1 = 1.1582*10^5;
+H_CO = -110.532;// [kJ]
+H_H2O = -241.997;// [kJ]
+H_CO2 = -393.978;// [kJ]
+R = 8.314;// [J/mol.K]
+//***************//
+
+H_H2 = 0;// [kJ]
+H_rkn = H_CO2 + H_H2 - (H_CO + H_H2O);// [kJ]
+H_rkn = H_rkn*1000;// [J]
+// From Van't Hoff Equation,
+K2 = K1*exp((H_rkn/R)*((1/T1) - (1/T2)));
+printf("Equilibrium constant at 1000 K is %.4f",K2);
+\ No newline at end of file