1 files changed, 8 insertions, 0 deletions
diff --git a/821/CH4/EX4.25/4_25.sce b/821/CH4/EX4.25/4_25.sce
new file mode 100755
index 000000000..9bdd8994e
--- /dev/null
+++ b/821/CH4/EX4.25/4_25.sce
@@ -0,0 +1,8 @@
+printf('From the linear plot of the langmuir isotherm the intercept Xm=1/0.19=5.26milligrams');
+Xm=5.26*10^-3;
+printf('\nThis is the weight of N2 that forms a unimolecular layer of 2g charcoal.');
+MW=28;//molecular weight of N2//
+N=Xm*6.023*10^23/MW;//No. of molecules of N2//
+TA=N*16*10^-16;//Total area in cm^2//
+A=TA/2;//Area per gram in cm^2//
+printf('\nArea of N2 per gram=%fcm^2',A);