diff options
Diffstat (limited to '2465/CH10')
| -rw-r--r-- | 2465/CH10/EX10.1/Example_1.sce | 13 | ||||
| -rw-r--r-- | 2465/CH10/EX10.10/Example_10.sce | 12 | ||||
| -rw-r--r-- | 2465/CH10/EX10.11/Example_11.sce | 16 | ||||
| -rw-r--r-- | 2465/CH10/EX10.12/Example_12.sce | 30 | ||||
| -rw-r--r-- | 2465/CH10/EX10.2/Example_2.sce | 21 | ||||
| -rw-r--r-- | 2465/CH10/EX10.3/Example_3.sce | 25 | ||||
| -rw-r--r-- | 2465/CH10/EX10.4/Example_4.sce | 23 | ||||
| -rw-r--r-- | 2465/CH10/EX10.5/Example_5.sce | 13 | ||||
| -rw-r--r-- | 2465/CH10/EX10.6/Example_6.sce | 14 | ||||
| -rw-r--r-- | 2465/CH10/EX10.7/Example_7.sce | 19 | ||||
| -rw-r--r-- | 2465/CH10/EX10.8/Example_8.sce | 30 | ||||
| -rw-r--r-- | 2465/CH10/EX10.9/Example_9.sce | 25 |
12 files changed, 241 insertions, 0 deletions
diff --git a/2465/CH10/EX10.1/Example_1.sce b/2465/CH10/EX10.1/Example_1.sce new file mode 100644 index 000000000..02cf4577c --- /dev/null +++ b/2465/CH10/EX10.1/Example_1.sce @@ -0,0 +1,13 @@ +//Chapter-10,Example 1,Page 252
+clc();
+close();
+
+E = 0.296 //electrode potential at 25 degree
+
+n= 2
+
+Cu = 0.015
+
+E0=E-(0.0592/n)*log10(Cu)
+
+printf('the standard potential of Cu+2 is %.5f V ',E0)
diff --git a/2465/CH10/EX10.10/Example_10.sce b/2465/CH10/EX10.10/Example_10.sce new file mode 100644 index 000000000..1137bac40 --- /dev/null +++ b/2465/CH10/EX10.10/Example_10.sce @@ -0,0 +1,12 @@ +//Chapter-10,Example 10,Page 255
+clc();
+close();
+
+//E_H = -0.0592*pH
+//E_cell = E_H = -0.0592 *pH
+
+E_cell = 0.29
+
+pH = E_cell/0.0592
+
+printf('the pH of the solution is pH = %.2f ',pH)
diff --git a/2465/CH10/EX10.11/Example_11.sce b/2465/CH10/EX10.11/Example_11.sce new file mode 100644 index 000000000..3577f29b4 --- /dev/null +++ b/2465/CH10/EX10.11/Example_11.sce @@ -0,0 +1,16 @@ +//Chapter-10,Example 11,Page 255
+clc();
+close();
+
+E_cell = 0.123
+
+E_calomel = 0.2415
+
+E_Q = 0.6990
+
+//E_Q/H2Q = E_Q - 0.0592 *pH
+//E_cell= E_Q/H2Q - E_calomel
+
+pH = (E_cell + E_calomel - E_Q)/(-0.0592)
+
+printf('the pH of solution is pH = %.2f',pH)
diff --git a/2465/CH10/EX10.12/Example_12.sce b/2465/CH10/EX10.12/Example_12.sce new file mode 100644 index 000000000..8b2460a55 --- /dev/null +++ b/2465/CH10/EX10.12/Example_12.sce @@ -0,0 +1,30 @@ +//Chapter-10,Example 12,Page 255
+clc();
+close();
+
+R=8.316 //gas constant
+
+F=96500 //Farade's constant
+
+n=1
+
+T=298 //temperature in Kelvin
+
+E0_AgCl=-0.2223
+
+E0_Ag=0.798
+
+//cell reaction...Ag + Cl- <----> AgCl
+
+E0_cell =E0_Ag + E0_AgCl
+
+//at equilibrium two electrode potential s will be equal
+// E0_cell = (2.303*R*T/n*F)*log10(K)
+
+Ksp = 10^-(E0_cell*n*F/(2.303*R*T))
+
+printf('for AgCl solution Ksp = ')
+
+disp(Ksp)
+
+printf(' mol^2/l^2')
diff --git a/2465/CH10/EX10.2/Example_2.sce b/2465/CH10/EX10.2/Example_2.sce new file mode 100644 index 000000000..aec51c898 --- /dev/null +++ b/2465/CH10/EX10.2/Example_2.sce @@ -0,0 +1,21 @@ +//Chapter-10,Example 2,Page 252
+clc();
+close();
+
+E0 = 0.34 //standard potential for copper
+
+n= 2
+
+Cu = 0.15
+
+R=8.314 //gas constant
+
+F=96500 //Farade's constant
+
+n=2
+
+T=298 //temperature in Kelvin
+
+E=E0+(2.303*R*T/(n*F))*log10(Cu)
+
+printf('the single electrode potential of copper is %.5f V ',E)
diff --git a/2465/CH10/EX10.3/Example_3.sce b/2465/CH10/EX10.3/Example_3.sce new file mode 100644 index 000000000..e6f950fa8 --- /dev/null +++ b/2465/CH10/EX10.3/Example_3.sce @@ -0,0 +1,25 @@ +//Chapter-10,Example 3,Page 252
+clc();
+close();
+
+//Cell reaction is ...Zn+2 +2Ag <----> Zn + 2Ag+
+
+E0_Zn=-0.762 //standard electrode potential for Zn
+
+E0_Ag=0.798 //standard electrode potential for Ag
+
+R=8.314 //gas constant
+
+F=96500 //Farade's constant
+
+n=2
+
+T=298 //temperature in Kelvin
+
+Zn= 0.2
+
+Ag= 0.1
+
+E_cell= (E0_Zn + (R*T/(n*F))*log(Zn))-(E0_Ag + (R*T/(n*F))*log(Ag^2))
+
+printf('the cell voltage at 25 degree is %.3f V',E_cell)
diff --git a/2465/CH10/EX10.4/Example_4.sce b/2465/CH10/EX10.4/Example_4.sce new file mode 100644 index 000000000..1b8546cea --- /dev/null +++ b/2465/CH10/EX10.4/Example_4.sce @@ -0,0 +1,23 @@ +//Chapter-10,Example 4,Page 253
+clc();
+close();
+
+//Cell reaction is ...Zn+2 +2Ag <----> Zn + 2Ag+
+
+E0_cell= 1.1 //standard potential for cell
+
+R=8.314 //gas constant
+
+F=96500 //Farade's constant
+
+n=2
+
+T=298 //temperature in Kelvin
+
+Zn= 0.001
+
+Cu= 0.1
+
+E_cell=E0_cell+(2.303*R*T/(n*F))*log10(Cu/Zn)
+
+printf('the e.m.f. of Daniel cell is %.4f V',E_cell)
diff --git a/2465/CH10/EX10.5/Example_5.sce b/2465/CH10/EX10.5/Example_5.sce new file mode 100644 index 000000000..714124f20 --- /dev/null +++ b/2465/CH10/EX10.5/Example_5.sce @@ -0,0 +1,13 @@ +//Chapter-10,Example 5,Page 253
+clc();
+close();
+
+E0_Pb=-0.13
+
+E0_Ni=-0.24
+
+E0_cell=E0_Pb-E0_Ni
+
+printf('the e.m.f. of cell is %.4f V',E0_cell)
+printf('\n the cell reaction is')
+printf('\n Ni + Pb+2 <----> Ni+2 + Pb')
diff --git a/2465/CH10/EX10.6/Example_6.sce b/2465/CH10/EX10.6/Example_6.sce new file mode 100644 index 000000000..da05652c0 --- /dev/null +++ b/2465/CH10/EX10.6/Example_6.sce @@ -0,0 +1,14 @@ +//Chapter-10,Example 5,Page 253
+clc();
+close();
+
+E0_Zn=-0.76
+
+E0_Ag=0.8
+
+E0_cell=E0_Ag-E0_Zn
+
+printf('\n the cell reaction is')
+printf('\n 2Ag+ + Zn <----> 2Ag + Zn+2')
+printf('\n the e.m.f. of cell is %.4f V',E0_cell)
+
diff --git a/2465/CH10/EX10.7/Example_7.sce b/2465/CH10/EX10.7/Example_7.sce new file mode 100644 index 000000000..c8f37d6ed --- /dev/null +++ b/2465/CH10/EX10.7/Example_7.sce @@ -0,0 +1,19 @@ +//Chapter-10,Example 7,Page 254
+clc();
+close();
+
+R=8.314 //gas constant
+
+F=96500 //Farade's constant
+
+n=2
+
+T=298 //temperature in Kelvin
+
+C1= 0.01
+
+C2= 0.1
+
+E_cell=(2.303*R*T/(n*F))*log10(C2/C1)
+
+printf('the e.m.f. of cell is %.4f V',E_cell)
diff --git a/2465/CH10/EX10.8/Example_8.sce b/2465/CH10/EX10.8/Example_8.sce new file mode 100644 index 000000000..ce565986f --- /dev/null +++ b/2465/CH10/EX10.8/Example_8.sce @@ -0,0 +1,30 @@ +//Chapter-10,Example 8,Page 254
+clc();
+close();
+
+R=8.316 //gas constant
+
+F=96500 //Farade's constant
+
+n=2
+
+T=298 //temperature in Kelvin
+
+E0_Zn=-0.765
+
+E0_Cu=0.337
+
+//cell reaction...Zn + Cu+2 <----> Zn+2 + Cu
+// K = [Zn+2]*[Cu]/[Zn]*[Cu+2]...equilibrium constant
+
+E0_cell =E0_Cu - E0_Zn
+
+//at equilibrium two electrode potential s will be equal
+// E0_cell = (2.303*R*T/n*F)*log10([Zn+2]*[Cu]/[Zn]*[Cu+2])
+// E0_cell = (2.303*R*T/n*F)*log10(K)
+
+K = 10^(E0_cell/(2.303*R*T/(n*F)))
+
+printf('the equilibrium constant is K = ')
+
+disp(K)
diff --git a/2465/CH10/EX10.9/Example_9.sce b/2465/CH10/EX10.9/Example_9.sce new file mode 100644 index 000000000..d9ab56f37 --- /dev/null +++ b/2465/CH10/EX10.9/Example_9.sce @@ -0,0 +1,25 @@ +//Chapter-10,Example 9,Page 255
+clc();
+close();
+
+E0_Ag = 0.799 //standard potential for copper
+
+Ksp=8.3*10^-17
+
+I=1
+
+Ag= Ksp/I
+
+n= 2
+
+R=8.314 //gas constant
+
+F=96500 //Farade's constant
+
+n=2
+
+T=298 //temperature in Kelvin
+
+E_Ag=E0_Ag+(2.303*R*T/(n*F))*log10(Ag)
+
+printf('the single electrode potential of Ag is %.5f V ',E_Ag)
|