4 files changed, 48 insertions, 0 deletions
diff --git a/1439/CH2/EX2.1/2_1.sce b/1439/CH2/EX2.1/2_1.sce
new file mode 100755
index 000000000..39406d41e
--- /dev/null
+++ b/1439/CH2/EX2.1/2_1.sce
@@ -0,0 +1,11 @@
+clc 
+//initialisation of variables
+G= 20 //gram
+R= 0.08205 //l-atm /mole K
+T= 30 //C
+P= 740 //mm
+M= 44.01 //l
+//CALCULATIONS
+V= G*R*(273.15+T)*760/(P*M)
+//RESULTS
+printf ('volume occupied by 20 grmas of carbon dioxide= %.1f litre',V)
diff --git a/1439/CH2/EX2.2/2_2.sce b/1439/CH2/EX2.2/2_2.sce
new file mode 100755
index 000000000..912658c32
--- /dev/null
+++ b/1439/CH2/EX2.2/2_2.sce
@@ -0,0 +1,11 @@
+clc 
+//initialisation of variables
+G= 0.110 //gram
+R= 0.08205 //l-atm /mole K
+T= 26.1 //C
+P= 743 //mm
+V= 0.0270 //l
+//CALCULATIONS
+M= G*R*(273.15+T)*760/(P*V)
+//RESULTS
+printf ('molecular weight of hydrocarbon= %.f g mole^-1',M)
diff --git a/1439/CH2/EX2.4/2_4.sce b/1439/CH2/EX2.4/2_4.sce
new file mode 100755
index 000000000..11507153e
--- /dev/null
+++ b/1439/CH2/EX2.4/2_4.sce
@@ -0,0 +1,14 @@
+clc 
+//initialisation of variables
+R= 0.08205 //l-atm deg^-1 mole^-1
+T= 25 //K
+n= 1 //mole
+V= 0.5 //lit
+b= 0.04267 //lit mole^-1
+a= 3.592 //lit^2 atm mol^-2
+//CALCULATIONS
+P= R*(273.15+T)/V
+P1= (R*(273.15+T)/(V-b))-(a/V^2)
+//RESULTS
+printf ('pressure calculated using ideal gas law= %.1f atm',P)
+printf ('\n pressure calculated using vander wals equation= %.1f atm',P1)
diff --git a/1439/CH2/EX2.5/2_5.sce b/1439/CH2/EX2.5/2_5.sce
new file mode 100755
index 000000000..0918bbd29
--- /dev/null
+++ b/1439/CH2/EX2.5/2_5.sce
@@ -0,0 +1,12 @@
+clc 
+//initialisation of variables
+T= -88 //C
+Tc= 154.4 //K
+Pc= 49.7 //atm
+P= 44.7 //atm
+R= 0.08205 //atm m^3 mole^-1 K^-1
+r= 0.8
+//CALCULATIONS
+V= r*R*(273.15+T)/P
+//RESULTS
+printf ('volume pccupied by mole of oxygen= %.3f litre mole^-1',V)