Science, asked by Satyamrajput, 1 year ago

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Kinetics(Activation Energy)

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Answered by Deepsbhargav
144
Hey mate!!!!

We know that..

Arrhenius Equation :-

 = > K = A .{e}^{ - \frac{Ea}{RT} }
 \\ = > log_{}K = log_{}A - \frac{Ea}{2.303RT}
For second Reaction :-
 = > logK _{2} = logA - \frac{Ea _{2} }{2.303RT} \: \: \: ...(Eq _{1}) \\ \\
_________________

For First Reaction :-

 = > logK _{1} = logA - \frac{Ea _{1} }{2.303RT} \: \: \: ..(Eq _{2})
________________

Substituting eq(2) from eq(1)

 = > log \frac{K _{2}}{K _{1} } = \frac{Ea _{1} - Ea _{2} }{2.303RT}
________________

Given :-

 = > Ea _{1} - Ea _{2} = 24.3 \: kj {mol}^{ - 1} \\ = 24900 \: j {mol}^{ - 1}

=> T = 300 K

 = > R = 8.314 \: j {k}^{ - 1} {mol}^{ - 1}
___________

 = > log \frac{K _{2} }{K _{1}} = \frac{24900}{2.303 \times 8.314 \times 300} = 4.34
Then

 = > \frac{K _{2} }{K _{1}} = 21877.6 = 2.19 \times {10}^{4}
_______________[ANSWER]

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Answered by mahisaxena9818
0

Answer:

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