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Diffstat (limited to '3856/CH9/EX9.2/Ex9_2.sce')
| -rw-r--r-- | 3856/CH9/EX9.2/Ex9_2.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/3856/CH9/EX9.2/Ex9_2.sce b/3856/CH9/EX9.2/Ex9_2.sce new file mode 100644 index 000000000..797b13956 --- /dev/null +++ b/3856/CH9/EX9.2/Ex9_2.sce @@ -0,0 +1,27 @@ +//Calculate the Standard Gibbs Energy change for the reaction (delrG) N2(g)+3H2(g)=2NH3(g)
+
+//Example 9.2
+
+clc;
+
+clear;
+
+Po=(760*10^5)/(1.01325*10^5); //Standard pressure of the gas in torr
+
+PN2=190; //Partial pressure of the N2 gas in torr
+
+PH2=418; //Partial pressure of the H2 gas in torr
+
+PNH3=722; //Partial pressure of the NH3 gas in torr
+
+Kp=((PNH3/Po)^2)/((PN2/Po)*(PH2/Po)^3); //Equilibrium constant for reaction
+
+R=8.314; //Gas constant in J K^-1 mol^-1
+
+T=298; //Temperature of the gas in K
+
+delrGo=-33.2*10^3; //Standard Gibbs energy for the reaction J mol^-1
+
+delrG=(delrGo+(R*T)*log(Kp))/1000; //Standard Gibbs Energy change for the reaction in kJ mol^-1
+
+printf("Standard Gibbs Energy Change = %.1f kJ mol^-1",delrG);
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