# DarianaUsing the Arrhenius equation to calculate Ea from k versus T da...The rate constant k for a certain reaction is measured at two different temperatures:temperature2.7 x 109311.0 C7.3x 109444.0 CAssuming the rate constant obeys the Arrhenius equation, calculate the activation energy Efor this reactionRound your answer to 2 significant digits.kJEmolX

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Step 1

According to Arrhenius Equation:

The rate of a chemical reaction is a function of the absolute temperature T of the system.

Step 2

According to Arrhenius equation taking the ratio of the two rate constants we have

The rate constant

Given,

K1=2.7 * 109

K2=27.3 * 109

T1= 311+273=584K

T2= 444 +273=717K

Step 3

Using Arrhenius equation taking the ratio...

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