diff options
Diffstat (limited to '821/CH4/EX4.23/4_23.sce')
| -rwxr-xr-x | 821/CH4/EX4.23/4_23.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/821/CH4/EX4.23/4_23.sce b/821/CH4/EX4.23/4_23.sce new file mode 100755 index 000000000..51eef4328 --- /dev/null +++ b/821/CH4/EX4.23/4_23.sce @@ -0,0 +1,12 @@ +T=298;//Temperature in kelvin//
+ST=0.2;//Lowered surface tension in dyn per cm//
+K=1.37*10^-16;//Boltzman's constant//
+AM=(K*T)/ST;//Area per molecule on the surface in cm^2//
+A=300;//Total area occupied in cm^2//
+N=A/AM;//no. of molecules//
+W=3*10^-7;//weight of insoluble substance in grams//
+w=W/N;//weight of one molecule in grams//
+N1=6.023*10^23;
+MW=w*N1;//Molecular weight of substance in grams//
+printf('Molecular weight of substance=MW=%f=123',MW);
+
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