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Chemical Kinetics
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Arrhenius equation and activation energy
JEE Main level
Numerical answer
Difficulty 2 of 3
ck139
For a reaction with
E
a
=
75
kJ
mo
l
−
1
, calculate the ratio
k
310
/
k
300
to two decimal places. Use
R
=
8.314
J
mo
l
−
1
K
−
1
.
Numerical answer type, tolerance 0.04.
Answer: 2.64
ln
k
1
k
2
=
8.314
75000
(
300
1
−
310
1
)
=
0.9700
, so the ratio is
e
0.9700
=
2.64
.
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