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WorksheetsKinetics-1212
Total questions: 11
Worksheet time: 14mins
Name
Class
Date
1.
Which one of the following is a first order, overall reaction
a)
k1= 1.000 M s-1
b)
k1= 5403.2 M½ s½
c)
k1= 1.23 x 10-6 M-1 s-1
d)
k1= 10.7 s-1
2.
Which one of these is an improper rate law?
a)
rate = k [A]¼ [B]¾
b)
rate = k [A] [B]½
c)
rate = k [A]2 [B]3
d)
rate = k [A]/[B]2
3.
For 2A + B --> 2C, the rate of production of C has been found to be 12 M/s. During that reaction, the rate of reaction was?
a)
12 M/s
b)
24 M/s
c)
6 M/s
d)
Cannot tell without more data
4.
Which of the following is false about the melting of ice at 30oC?
H2O(s) --> H2O(g)
H2O(s) --> H2O(g)
a)
∆G > 0
b)
∆S > 0
c)
∆H > 0
d)
It's an entropy driven process
5.
A unimolecular reaction
(A --> products)
with k = 123.4 s-1 initially has 3.0 M of A. How long will it take for the amount of reactant to be 0.75 M?
(A --> products)
with k = 123.4 s-1 initially has 3.0 M of A. How long will it take for the amount of reactant to be 0.75 M?
a)
0.018 s
b)
0.011 s
c)
280 s
d)
0.0081 s
6.
Which one is true?
a)
The reaction is zero order
b)
The reaction can be first order
c)
The reaction can be second order
d)
The y-axis is temperature
7.
a)
A. is most exothermic
b)
B. is most exothermic
c)
C. is most exothermic
d)
D. is most exothermic
8.
a)
A. has largest Ea
b)
B. has largest Ea
c)
C. has largest Ea
d)
E. has largest Ea
9.
a)
A. is the slowest reaction
b)
B. is the slowest reaction
c)
C. is the slowest reaction
d)
E. is the slowest reaction
10.
a)
A. is the fastest reaction
b)
B. is the fastest reaction
c)
C. is the fastest reaction
d)
E. is the fastest reaction
11.
When experimenting with the new substance bubaroo, Bob and Karen discovered that tripling the initial concentration of bubaroo in the reaction caused the rate to increase by a factor of 3. The order of reaction with respect to bubaroo is?
a)
⅓
b)
-2
c)
½
d)
2
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