the reaction of A + B ? AB, the following data were obtained: Trial Initial [A]
ID: 800215 • Letter: T
Question
the reaction of A + B ? AB, the following data were obtained:
Trial
Initial [A]
Initial [B]
Initial Rate
1
0.40
0.40
0.480 mol/dm3/s
2
0.40
0.80
1.92 mol/dm3/s
3
0.20
0.40
0.24 mol/dm3/s
a. Write the rate expression for this reaction.
a.
b. Calculate the rate constant, k
b.
c. . Find the rate if [A] becomes 0.50 M and [B] becomes 0.25 M (temp is unchanged)
c.
1- The following data were obtained for 2A + 2B + C ? D + E:
Trial
[A] mol/L
[B] mol/L
[C] mol/L
Rate mol/L/sec
1
0.151
0.151
0.151
0.48
2
0.302
0.151
0.151
0.96
3
0.151
0.151
0.076
0.12
4
0.151
0.302
0.151
1.92
A) What is the rate equation and what is k?
B) If you are trying to achieve a rate of 1.5 mol/L/sec, and the initial concentrations of A and B
Were both 0.200 M, what would the initial concentration of C have to be?
Trial
Initial [A]
Initial [B]
Initial Rate
1
0.40
0.40
0.480 mol/dm3/s
2
0.40
0.80
1.92 mol/dm3/s
3
0.20
0.40
0.24 mol/dm3/s
Explanation / Answer
the reaction of A + B ? AB, the following data were obtained: Trial Initial [A]
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