APChemistry/Mancini
Kinetics Problems Project
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2ClO2 + 2OH- => ClO3- + ClO2- + H2O
1)
a)
b)
c)
d)
Trial
[ClO2] (M)
[OH-]
1
0.050
0.100
Formation of
ClO3-1 Initial Rate
(Msec-1)
5.75 x 10-2
2
0.100
0.100
2.30 x 10-1
3
0.100
0.050
1.15 x 10-1
Determine the rate law
Calculate the value of the rate constant and its unit
If the [ ClO2] = 0.200M and the [OH-]= 0.300M, what is the initial rate of
formation of ClO3-1?
Using (c), what is the rate of consumption of OH-?
2NO + Cl2 => 2NOCl
2)
a)
b)
c)
d)
Trial
[NO] (M)
[Cl2]
1
0.10
0.10
Formation of
NOCl Initial Rate
(Mmin-1)
0.18
2
0.10
0.20
0.35
3
0.20
0.20
1.45
Determine the rate law
Calculate the value of the rate constant and its unit
If the [NO] = 0.30M and the [Cl2]= 0.40M, what is the initial rate of formation
of NOCl?
Using (c), what is the numerical value of the initial rate of consumption of
Cl2?
I- + OCl- => IO- + Cl-
3)
[I-] (mol/L)
0.120
[OCl-] (mol/L)
0.180
Initial Rate (M/s)
7.91 x 10-2
0.060
0.030
0.240
0.180
0.090
0.090
3.95 x10-2
9.88 x 10-3
7.91 x 10-2
a) Determine the rate law based on the experimental data
b) Calculate the value of the rate constant using the data from the first trial
c) Calculate the initial rate when the concentration of [I-]0= 0.320M and the
[OCl-]0= 0.270M.
d) Calculate the [I-]0 when the [OCl-]0= 0.030 and the initial rate= 1.20 x 10-1
(M/s).
2HgCl2 + C2O42-=> 2 Cl- + 2CO2
4)
a)
b)
c)
d)
e)
Trial
[HgCl2] (M)
[C2O42-] (M)
1
0.105
0.150
Formation of CO2
Initial Rate
(M/sec)
1.80x 10-5
2
0.105
0.300
7.10 x 10-5
3
0.052
0.300
3.50 x 10-5
4
0.052
0.150
8.90 x 10-5
Determine the rate law
Calculate the value of the rate constant and its unit
Rate of formation of CO2 if [HgCl2]=0.020M and [C2O42-]=0.220M
Determine the [C2O42-] if [HgCl2]=0.10M and the rate= 3.0 x 10-5M/sec
What is the rate of consumption of C2O42- for (c)?
F2 + 2ClO2 => 2FClO2
5)
a)
b)
c)
d)
e)
Trial
[F2]
[ClO2]
1
0.100
0.100
Formation of
FClO2 Initial Rate
(M/sec)
1.2 x 10-3
2
0.100
0.400
4.8 x 10-3
3
0.200
0.100
2.4 x 10-3
4
0.010
0.020
??????????
5
0.500
??????
6.0 x 10-2
Determine the rate law
Calculate the value of the rate constant and its unit
Determine the [ClO2] in Trial #5
Calculate the initial rate of formation in Trial#4
Calculate the initial rate of consumption of ClO2 using rate of (d)
A+ B+ C=> D
6)
Trial
[A] (M)
[B] (M)
[C] (M)
1
1.40
1.40
1.00
Initial Rate
(M/sec)
R1
0.70
0.70
1.40
0.70
1.40
0.70
1.40
0.70
1.00
1.00
0.50
0.50
½ (R1)
¼ (R2)
16(R3)
X (R4)
2
3
4
5
Find X. Show all work.