4 files changed, 42 insertions, 0 deletions
diff --git a/1439/CH7/EX7.1/7_1.sce b/1439/CH7/EX7.1/7_1.sce
new file mode 100755
index 000000000..09b721732
--- /dev/null
+++ b/1439/CH7/EX7.1/7_1.sce
@@ -0,0 +1,13 @@
+clc 
+//initialisation of variables
+nb= 0.4
+pb= 385 //mm
+nt= 0.6
+pt= 139 //mm
+//CALCULATIONS
+Pb= pb*nb
+Pt= pt*nt
+PT= Pb+Pt
+Xt= Pt/PT
+//RESULTS
+printf ('mole fraction of benzene vapour= % 3f ',Xt)
diff --git a/1439/CH7/EX7.2/7_2.sce b/1439/CH7/EX7.2/7_2.sce
new file mode 100755
index 000000000..1f68dfeca
--- /dev/null
+++ b/1439/CH7/EX7.2/7_2.sce
@@ -0,0 +1,9 @@
+clc 
+//initialisation of variables
+K= 1.25*10^6 
+m= 1000 //gms
+M= 18.02 //gms
+//CALCULATIONS
+nco2= 760*m/(M*K)
+//RESULTS
+printf ('moles of carbon dioxide= % 2e mole litre^-1',nco2)
diff --git a/1439/CH7/EX7.3/7_3.sce b/1439/CH7/EX7.3/7_3.sce
new file mode 100755
index 000000000..f42a94f36
--- /dev/null
+++ b/1439/CH7/EX7.3/7_3.sce
@@ -0,0 +1,10 @@
+clc 
+//initialisation of variables
+Vp= 1022 //mm
+Vp1= 406 //mm
+//CALCULATIONS
+Xb= (760-Vp1)/(Vp-Vp1)
+Xb1= Vp*Xb/760
+//RESULTS
+printf ('mole fraction of benzene= % 3f ',Xb)
+printf ('\n mole fraction of benzene vapour= % 3f ',Xb1)
diff --git a/1439/CH7/EX7.4/7_4.sce b/1439/CH7/EX7.4/7_4.sce
new file mode 100755
index 000000000..8c1e056ee
--- /dev/null
+++ b/1439/CH7/EX7.4/7_4.sce
@@ -0,0 +1,10 @@
+clc 
+//initialisation of variables
+P1= 731.9 //mm
+P2= 712.4 //mm
+Mb= 18 //gms
+r= 0.188
+//CALCULATIONS
+Ma= r*Mb*P2/(P1-P2)
+//RESULTS
+printf ('molecular weight of nitro-benzene= % f g mole^-1',Ma)