7/27/2019 CHM 152 Final Exam Review 1 Spring 2012 NEW KEY
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CHM152 Final Review #1 (Ch. 12, 13) KEY
1. 2HBr H2+ Br2
a. Exre!! "he ra"e $ rea%"in wi"h re!e%" " ea%h $ "he rea%"an"!
an& r&'%"!
. n "he $ir!" 15.*! $ "hi! rea%"in "he HBr &re& $r-
*.5**M " *.55M. Cal%'la"e "he
avera/e ra"e $ rea%"in $r "hi! in"erval.
%. $ "he vl'-e $ "he rea%"in ve!!el wa! *.5**0, wha" a-'n" $
Br2(in -le!) wa! $r-e&
&'rin/ "he $ir!" 15.*!
2.ha" are "he 'ni"! $r in ea%h $ "he $llwin/
a. Fir!"4r&er rea%"in s-1or 1/s
. 6e%n&4r&er rea%"in Ms-1or M/s
c. 7er4r&er rea%"in M-1s-1 or 1/Ms
3. 8he &a"a elw were %lle%"e& $r "he $llwin/ rea%"in
29:2 + F2 29:2F
9:2(M) F2(M) ni"ial Ra"e (M;!)
*.1** *.1** *.*2
2
1
x
2
1
2
1
B
B
?
?
Ra"e
Ra"e
=
>x
!M
!M
*.1**M
*.1**M
*.1**M
*.2**M
*.*2
!M 21*2. = 1> =
( ) ( )11!
M *.1**M*.1**M*.*2< k= !M12.
