7 files changed, 102 insertions, 0 deletions
diff --git a/3689/CH11/EX11.1/11_1.sce b/3689/CH11/EX11.1/11_1.sce
new file mode 100644
index 000000000..5f8977734
--- /dev/null
+++ b/3689/CH11/EX11.1/11_1.sce
@@ -0,0 +1,13 @@
+////
+//Variable Declaration
+aH = 0.770        //Activity of 
+fH2 = 1.13        //Fugacity of Hydrogen gas
+E0 = 0.0          //Std. electrode potential, V
+n = 1.0           //Number of electrons transfered
+
+//Calculations
+E = E0 - (0.05916/n)*log(aH/sqrt(fH2))
+
+//Results
+printf("\n The potential of H+/H2 half cell %5.4f V",E)
+
diff --git a/3689/CH11/EX11.2/11_2.sce b/3689/CH11/EX11.2/11_2.sce
new file mode 100644
index 000000000..be421cdc5
--- /dev/null
+++ b/3689/CH11/EX11.2/11_2.sce
@@ -0,0 +1,14 @@
+////Variable Declaration
+E0r1 = -0.877       //Std Electrod potential for Rx2 : Al3+ + 3e- ------> Al (s)                   
+E0r2 = -1.660       //Std Electrod potential for Rx2 : Al3+ + 3e- ------> Al (s)
+E0r3 = +0.071       //Std Electrod potential for Rx3 : AgBr (s) + e- ------> Ag(s) +Br- (aq.)
+
+//Calculations
+//3Fe(OH)2 (s)+ 2Al (s)  <---------> 3Fe (s)  + 6(OH-) + 2Al3+
+E0a = 3*E0r1 + (-2)*E0r2
+//Fe (s) + 2OH- +   2AgBr (s) -------> Fe(OH)2 (s)  + 2Ag(s) +  2Br- (aq.)
+E0b = -E0r1 + (2)*E0r3
+
+//Results
+printf("\n %5.3f %5.3f",E0a,E0b)
+
diff --git a/3689/CH11/EX11.3/11_3.sce b/3689/CH11/EX11.3/11_3.sce
new file mode 100644
index 000000000..e7894193c
--- /dev/null
+++ b/3689/CH11/EX11.3/11_3.sce
@@ -0,0 +1,16 @@
+////Variable Declaration
+E01 = 0.771      //Rx1 : Fe3+ + e- -----> Fe2+
+E02 = -0.447     //Rx2 : Fe2+ + 2e- -----> Fe
+F = 96485        //Faraday constant, C/mol
+[n1,n2,n3] = (1.,2.,3.)
+
+//Calculations
+dG01 = -n1*F*E01
+dG02 = -n2*F*E02
+                //For overall reaction
+dG0 = dG01 + dG02
+E0Fe3byFe = -dG0/(n3*F)
+
+//Results
+printf("\n E0 for overall reaction is %5.3f V",E0Fe3byFe)
+
diff --git a/3689/CH11/EX11.4/11_4.sce b/3689/CH11/EX11.4/11_4.sce
new file mode 100644
index 000000000..ae75232e5
--- /dev/null
+++ b/3689/CH11/EX11.4/11_4.sce
@@ -0,0 +1,17 @@
+////Variable Declaration
+E01 = +1.36             //Std. electrode potential for Cl2/Cl
+dE0bydT = -1.20e-3      //V/K
+F = 96485               //Faraday constant, C/mol
+n = 2.
+S0H = 0.0               //Std. entropy J/(K.mol) for H+ ,Cl-,H2, Cl2 
+S0Cl = 56.5
+S0H2 = 130.7
+S0Cl2 = 223.1
+[nH,nCl,nH2,nCl2] = (2,2,-1,-1)
+//Calculations
+dS01 = n*F*dE0bydT
+dS02 =nH*S0H + nCl*S0Cl + nH2*S0H2 + nCl2*S0Cl2
+
+//Results
+printf("\n Std. entropy change of reaction from dE0bydT is %4.2e and\nStd entropy values is %4.2e V",dS01,dS02)
+
diff --git a/3689/CH11/EX11.5/11_5.sce b/3689/CH11/EX11.5/11_5.sce
new file mode 100644
index 000000000..ae2ddf1c6
--- /dev/null
+++ b/3689/CH11/EX11.5/11_5.sce
@@ -0,0 +1,15 @@
+////
+//Variable Declaration
+E0 = +1.10              //Std. electrode potential for Danniel cell, V
+                        //Zn(s) + Cu++ ----->  Zn2+   +  Cu
+T = 298.15              //V/K
+F = 96485               //Faraday constant, C/mol
+n = 2.
+R = 8.314               //Gas constant, J/(mol.K)
+
+//Calculations
+K = exp(n*F*E0/(R*T))
+
+//Results
+printf("\n Equilibrium constant for reaction is %4.2e",K)
+
diff --git a/3689/CH11/EX11.6/11_6.sce b/3689/CH11/EX11.6/11_6.sce
new file mode 100644
index 000000000..29771979c
--- /dev/null
+++ b/3689/CH11/EX11.6/11_6.sce
@@ -0,0 +1,10 @@
+////Variable Declaration
+E = +0.29               //Cell emf, V
+n = 2.
+
+//Calculations
+Ksp = 10**(-n*E/0.05916)
+
+//Results
+printf("\n Equilibrium constant for reaction is %4.2e",Ksp)
+
diff --git a/3689/CH11/EX11.8/11_8.sce b/3689/CH11/EX11.8/11_8.sce
new file mode 100644
index 000000000..6b92e1672
--- /dev/null
+++ b/3689/CH11/EX11.8/11_8.sce
@@ -0,0 +1,17 @@
+////Variable Declaration
+E = +1.51               //EMF for reduction of permangnet, V
+E01 = -0.7618           //Zn2+  + 2e-  -------->  Zn (s)
+E02 = +0.7996           //Ag+  + e-  -------->  Ag (s)
+E03 = +1.6920           //Au+  + e-  -------->  Au (s)        
+
+//Calculations
+EZn = E - E01
+EAg = E - E02
+EAu = E - E03
+
+[Er] = ({EZn,EAg,EAu})
+//Results
+printf("\n Cell potentials for Zn, Ag, Au are %4.2f V, %4.2f V, and %4.2f V",EZn, EAg,EAu)
+printf("\n Zn has positive cell potential of %4.3f V and Can be oxidized bypermangnate ion",EZn)
+printf("\n Ag has positive cell potential of %4.3f V and Can be oxidized bypermangnate ion",EAg)
+printf("\n Au has positive cell potential of %4.3f V and Can be oxidized bypermangnate ion",EAu)