diff options
Diffstat (limited to '3689/CH6/EX6.7/6_7.sce')
| -rw-r--r-- | 3689/CH6/EX6.7/6_7.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3689/CH6/EX6.7/6_7.sce b/3689/CH6/EX6.7/6_7.sce new file mode 100644 index 000000000..63c4dddd9 --- /dev/null +++ b/3689/CH6/EX6.7/6_7.sce @@ -0,0 +1,20 @@ +////Variable Declaration
+dGR = 67.0 //Std. Gibbs energy of formation for reaction, kJ, from previous problem
+dHfFe = 0.0 //Enthalpy of formation for Fe (S), kJ/mol
+dHfH2O = -285.8 //Enthalpy of formation for Water (g), kJ/mol
+dHfFe2O3 = -1118.4 //Enthalpy of formation for Fe2O3 (s), kJ/mol
+dHfH2 = 0.0 //Enthalpy of formation for Hydrogen (g), kJ/mol
+T0 = 298.15 //Temperature in K
+T = 525. //Temperature in K
+R = 8.314
+[nFe,nH2,nFe2O3,nH2O] = (3,-4,-1,4)
+
+//Calculations
+dHR = nFe*dHfFe + nH2O*dHfH2O + nFe2O3*dHfFe2O3 + nH2*dHfH2
+dGR2 = T*(dGR*1e3/T0 + dHR*1e3*(1./T - 1./T0))
+
+//Results
+printf("\n Std. Enthalpy change for reactionat %4.1f is %4.2f kJ/mol",T, dHR)
+
+printf("\n Std. Gibbs energy change for reactionat %4.1f is %4.0f kJ/mol",T, dGR2/1e3)
+
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