diff options
Diffstat (limited to '1427/CH18/EX18.25/18_25.sce')
| -rw-r--r-- | 1427/CH18/EX18.25/18_25.sce | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/1427/CH18/EX18.25/18_25.sce b/1427/CH18/EX18.25/18_25.sce new file mode 100644 index 000000000..9c74e2157 --- /dev/null +++ b/1427/CH18/EX18.25/18_25.sce @@ -0,0 +1,10 @@ +//ques-18.25
+//Calculating pressure at which water must be heated to produce superheated steam
+clc
+Hv=540;//latent heat of vapourization (in cal/g)
+T1=273+100; T2=273+150;//temperature (in K)
+P1=1;//in atm
+R=1.987;//cal/mol/K
+//On solving, log(P2/P1) = (Hv*(T2-T1))/(2.303*R*T1*T2)
+P2=P1*4.709
+printf("The required vapour pressure is %.3f atm.",P2);
|