diff options
Diffstat (limited to '821/CH5/EX5.25/5_25.sce')
| -rwxr-xr-x | 821/CH5/EX5.25/5_25.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/821/CH5/EX5.25/5_25.sce b/821/CH5/EX5.25/5_25.sce new file mode 100755 index 000000000..9c4cb87c1 --- /dev/null +++ b/821/CH5/EX5.25/5_25.sce @@ -0,0 +1,23 @@ +T=300;//initial temperature in kelvin//
+T1=692;//temperature in kelvin//
+T2=1180;//temperature in kelvin//
+T3=1500;//final temperature in kelvin//
+Lf=1800;//Latent heat of fusion in cal per mol//
+Tf=692;//temperature of fusion in kelvin//
+Lv=27700;//Latent heat of vapourization in cal per mol//
+Tv=1180;//temperature of vapourization in kelvin//
+SH=0.092;//specific heat of Zn in cal per deg per gram//
+w=65.38;//atomic weight of Zn//
+Cv=w*SH;//molar heat capacity in cal per deg//
+dS1=Cv*2.303*log10(T1/T);//change in entropy for temperature change between 300k to 692k//
+printf('Change in entropy for temperature change between 300k to 692k=dS1=%feu',dS1);
+dS2=Lf/Tf;//change in entropy in the process of fusion in eu//
+printf('\nChange in entropy in the process of fusion=dS2=%feu',dS2);
+dS3=Cv*2.303*log10(T2/T1);//change in entropy for temperature change between 692k to 1180k//
+printf('\nChange in entropy for temperature change between 692k to 1180k=dS3=%feu',dS3);
+dS4=Lv/Tv;//change in entropy in the process of vapourization in eu//
+printf('\nChange in entropy in the process of vapourization=dS4=%feu',dS4);
+dS5=Cv*2.303*log10(T3/T2);//change in entropy for temperature change between 1180k to 1500k//
+printf('\nChange in entropy for temperature change between 1180k to 1500k=dS5=%feu',dS5);
+dStotal=dS1+dS2+dS3+dS4+dS5;//total entropy change accompanying the process in eu//
+printf('\nTotal entropy change accompanying the process=dStotal=%feu',dStotal);
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