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Eberpy gny reabtibity...!!!
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-75 -50 -25 0 25 50 75 100 125 150 175 200
9
12
15
18
21
24
27
30
33
36
39
en
erg
y b
arr
ier
(kca
l/m
ol)
temperature (C)
five half lives:
1 s
1 h
24 h
200 250 300 350 400
1
2
4
8
16
32
64
sp
ee
du
p
temperature (C)
barrier
(kcal/mol)
10
15
20
25
30
35
35 kcal/mol
10 kcal/mol
low ksolvhigher E
high ksolvlower E
normal region:less reactive,
more selective
negative slope:
more reactive,
more selective!
vertical slope:
constant selectivity