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Diffstat (limited to '1427/CH18/EX18.22/18_22.sce')
| -rw-r--r-- | 1427/CH18/EX18.22/18_22.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/1427/CH18/EX18.22/18_22.sce b/1427/CH18/EX18.22/18_22.sce new file mode 100644 index 000000000..7201cea7c --- /dev/null +++ b/1427/CH18/EX18.22/18_22.sce @@ -0,0 +1,14 @@ +//ques-18.22
+//Calculating enthalpy change and entropy change and free energy change and internal energy change
+clc
+P=1;//pressure (in atm)
+L=540;//latent heat of vapourisation of water (in cal/g)
+T1=273+0; T2=273+100;//temperature (in K)
+n=1;//moles of water
+H=n*18*L;//enthalpy change (in cal)
+S=H/T2;//entropy change (in cal/K)
+G=H-T2*S;//free energy change (in cal)
+V1=18;//volume of water at T1 (in mL)
+V2=(V1*T2)/T1;////volume of water at T2 (in mL)
+U=H-P*(V2-V1);//internal energy change (in cal)
+printf("The enthalpy change is %.2f kcal, entropy change is %.2f cal/K, free energy change is %d and internal energy change is %.4f kcal.",H/1000,S,G,U/1000);
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