Arrhenius EquationThe variation of the rate constant with temperature can be expressed bythe Arrhenius Equation. The two-point form of this equation can be writtenas:(수)- (뉴Eak2Ink1T2where k2 and ki are the values of the rate constant at the Kelvintemperatures T2 and T, respectively, E, is the activation energy, and R isthe ideal gas constant.You may see slightly different, but equivalent, forms of this equation. It'seasy to confuse the different forms. They will all give the same result, butnot if you mix parts of one form with parts of another!Here are two more forms that you are likely to see. Can you spot thedifferences between these and the form above?Eak1Ink21RT2) --GA)(k2E.1k1T2In the first one, the k and ki terms are interchanged. To balance this, the11andTterms are as well.T2EaThis is balanced byRIn the second one, a minus sign precedes1andT2interchangingThe activation energy for the gas phase decomposition of ethyl acetateis 200. kJ.¬CH¸COOH + C,H4CH,COOC, H,The rate constant at 675 K is 0.00105 /s. The rate constant will be 0.0109/s atK.

Given: Rate constant at 675 K = 0.00105 s-1 Activation energy = 200 KJ = 200000 J And rate constant…

Answered: The activation energy for the gas phase…

The activation energy for the gas phase decomposition of ethyl acetate is 200. kJ. CH;COOC,H,-¬CH,COOH + C2H4 The rate constant at 675 K is 0.00105 /s. The rate constant will be 0.0109 /s at K.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Arrhenius Equation
The variation of the rate constant with temperature can be expressed by
the Arrhenius Equation. The two-point form of this equation can be written
as:
(수)- (뉴
Ea
k2
In
k1
T2
where k2 and ki are the values of the rate constant at the Kelvin
temperatures T2 and T, respectively, E, is the activation energy, and R is
the ideal gas constant.
You may see slightly different, but equivalent, forms of this equation. It's
easy to confuse the different forms. They will all give the same result, but
not if you mix parts of one form with parts of another!
Here are two more forms that you are likely to see. Can you spot the
differences between these and the form above?
Ea
k1
In
k2
1
R
T2
) --GA)
(
k2
E.
1
k1
T2
In the first one, the k and ki terms are interchanged. To balance this, the
1
1
and
T
terms are as well.
T2
Ea
This is balanced by
R
In the second one, a minus sign precedes
1
and
T2
interchanging
The activation energy for the gas phase decomposition of ethyl acetate
is 200. kJ.
¬CH¸COOH + C,H4
CH,COOC, H,
The rate constant at 675 K is 0.00105 /s. The rate constant will be 0.0109
/s at
K.

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