blob: 82a15a3df66e6ecaf22ebb8b6aa7dceb9ec7e158 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
//Predict whether the following reaction would proceed spontaneously as written ( Cd(s)+Fe++(aq)=Cd++(aq)+Fe(s)
//Example 10.3
clc;
clear;
C1=0.15; //Concentration of Cadmium ion in M
C2=0.68; //Concentration of Ferrus ion in M
E1=-0.447; //Standard Electrode potential for cathode in V
E2=-0.403; //Standard Electrode potential for anode in V
Edes=E1-E2; //Standard Electrode potential in V
v=2; //Stoichiometric coefficient
E=Edes-(0.0257/v)*log(C1/C2); //Standard Electrode potential from Nerst equation in V
printf("Standard Electrode potential from = %.3f V is negative the reaction is not spontaneous as written",E);
|