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//calculation for second order reactions
clear;
clc;
printf("\t Example 13.7\n");
k=7*10^9;//rate constant, M s
//(a)
t=2*60;//half life of the reaction, s
Ao=0.086;
A=(k*t+1/Ao)^-1;
printf("\t (a) the concentration of I is : %4.1f*10^-12 M\n",A*10^12);
//(b)
Ao=0.6;
t_half=1/(Ao*k);//half life of the reaction, s
printf("\t (b) the half life for Io=0.6 is : %2.1f*10^-10 s\n",t_half*10^10);
Ao=0.42;
t_half=1/(Ao*k);//half life of the reaction, s
printf("\t the half life for Io=0.42 is : %2.1f*10^-10 s\n",t_half*10^10);
//End
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