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Diffstat (limited to '1427/CH18/EX18.20')
| -rw-r--r-- | 1427/CH18/EX18.20/18_20.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/1427/CH18/EX18.20/18_20.sce b/1427/CH18/EX18.20/18_20.sce new file mode 100644 index 000000000..b9c55838f --- /dev/null +++ b/1427/CH18/EX18.20/18_20.sce @@ -0,0 +1,12 @@ +//ques-18.20
+//Calculating standard heat of formation and total change in heat capacities at constant pressure
+clc
+T1=273+25; T2=273+20;//temperature (in K)
+//C = molar heat capacities at constant pressure (in cal/degree/mole)
+C1=6.89;//hydrogen
+C2=6.97;//oxygen
+C3=8;//water
+H1=-68.3;//enthalpy change (in kcal/mol)
+Cp=C3-C1+C2/2;
+H2=H1*1000+(T2-T1)*Cp;//enthalpy change (in kcal/mol)
+printf("The standard heat of formation is %d kcal/mol and total change in heat capacities at constant pressure is %.3f kcal/mol.",H1,H2/1000);
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