Given the following information: Rate = [Br-][C][H+]2 Give the order for each su

Question

Given the following information: Rate = [Br-][C][H+]2

Give the order for each substance in the reaction. Give the overall order for the reaction.

By what factor does the rate change for each of the following:

[Br-] is tripled

[C] is quadrupled

[H+] is halved

(b) Give the units of the rate constant if a reaction has each of the following overall orders and

the reaction is measured in hours.

3/2

4th

(c) Give the overall reaction order that corresponds to a rate constant with each of the following

      units.

M5/2min-1

sec-1

Explanation / Answer

rate = [Br-] [C] [H+]2

order with respect to Br-   = 1

order with respect to C = 1

order with respect to H+  = 2

if [Br-] tripled rate also tripple

if [C] quadrupled rate also quadrupled.

if [H+] halfed rate decreased by 1 time.

b) overall order = 4

units = M-3 h-1

c) units = M5/2 min-1  = order = -1.5

sec-1  = order = first

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