Problem: Consider this reaction data:A -> productsT(K)    k(s-1)325     0.380725     0.868If you were going to graphically determine the activation energy of this reaction, what points would you plot?Determine the rise, run, and slope of the line formed by these pointsWhat is the activation energy of this reaction?

FREE Expert Solution

We need to use the linearized Arrhenius Equation:


ln k=-EaR 1T + ln A


where: 

k = rate constant

Ea = activation energy (in J/mol)

R = gas constant (8.314 J/mol • K)

T = temperature (in K)

A = Arrhenius constant or frequency factor


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Problem Details

Consider this reaction data:
A -> products
T(K)    k(s-1)
325     0.380
725     0.868

If you were going to graphically determine the activation energy of this reaction, what points would you plot?

Determine the rise, run, and slope of the line formed by these points

What is the activation energy of this reaction?

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