From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1439/CH20/EX20.1/20_1.sce |  9 +++++++++
 1439/CH20/EX20.2/20_2.sce | 10 ++++++++++
 1439/CH20/EX20.3/20_3.sce | 11 +++++++++++
 1439/CH20/EX20.4/20_4.sce | 12 ++++++++++++
 1439/CH20/EX20.5/20_5.sce |  9 +++++++++
 5 files changed, 51 insertions(+)
 create mode 100755 1439/CH20/EX20.1/20_1.sce
 create mode 100755 1439/CH20/EX20.2/20_2.sce
 create mode 100755 1439/CH20/EX20.3/20_3.sce
 create mode 100755 1439/CH20/EX20.4/20_4.sce
 create mode 100755 1439/CH20/EX20.5/20_5.sce

(limited to '1439/CH20')

diff --git a/1439/CH20/EX20.1/20_1.sce b/1439/CH20/EX20.1/20_1.sce
new file mode 100755
index 000000000..11d71872d
--- /dev/null
+++ b/1439/CH20/EX20.1/20_1.sce
@@ -0,0 +1,9 @@
+clc
+//initialisation of variables
+R= 0.082 //l-atm deg^-1 mole^-1
+T= 25 //C
+V= 85*10^-6 //l-atm g^-1
+//CALCULATIONS
+M= R*(273+T)/V
+//RESULTS
+printf ('average molecular weight of this polystrene = %.f g mole^-1',M)
diff --git a/1439/CH20/EX20.2/20_2.sce b/1439/CH20/EX20.2/20_2.sce
new file mode 100755
index 000000000..fc733c486
--- /dev/null
+++ b/1439/CH20/EX20.2/20_2.sce
@@ -0,0 +1,10 @@
+clc
+//initialisation of variables
+T= 20 //C
+v= 0.01005 //poise
+N= 6*10^23 //molecules
+D= 7.8*10^-7
+//CALCULATIONS
+M= 4*%pi*N/(3*0.75*(D*N*6*%pi*v/(8.31*10^7*(273+T)))^3)
+//RESULTS
+printf ('maximum molecular weight = %.f g mole^-1',M)
diff --git a/1439/CH20/EX20.3/20_3.sce b/1439/CH20/EX20.3/20_3.sce
new file mode 100755
index 000000000..e8871862e
--- /dev/null
+++ b/1439/CH20/EX20.3/20_3.sce
@@ -0,0 +1,11 @@
+clc
+//initialisation of variables
+w= 2.82*10^7
+t2= 70 //min
+t1= 60 //min
+r2= 6.731 //cm
+r1= 5.949 //cm
+//CALCULATIONS
+s= 2.303*log10(r2/r1)/(w*t2*t1)
+//RESULTS
+printf ('time = %.1e sec',s)
diff --git a/1439/CH20/EX20.4/20_4.sce b/1439/CH20/EX20.4/20_4.sce
new file mode 100755
index 000000000..4774aabe4
--- /dev/null
+++ b/1439/CH20/EX20.4/20_4.sce
@@ -0,0 +1,12 @@
+clc
+//initialisation of variables
+R= 8.31*10^7 //ergs deg^-1 mole^-1
+T= 20 //C
+s= 4.3*10^-13 //sec
+D= 6.15*10^-7 //cm^2 sec^-1
+d= 0.9982 //g/cc
+v= 0.735 //cm^3 g^-1
+//CALCULATIONS
+M= R*(273+T)*s/(D*(1-d*v))
+//RESULTS
+printf ('molecular weight serum albium = %.f g mole^-1',M)
diff --git a/1439/CH20/EX20.5/20_5.sce b/1439/CH20/EX20.5/20_5.sce
new file mode 100755
index 000000000..3f50a2108
--- /dev/null
+++ b/1439/CH20/EX20.5/20_5.sce
@@ -0,0 +1,9 @@
+clc
+//initialisation of variables
+K= 3.7*10^-4
+a= 0.62
+iv= 0.74
+//CALCULATIONS
+M= (iv/K)^(1/a)
+//RESULTS
+printf ('Molecular weight = %.f g mole^-1',M)
-- 
cgit