5. 1.04 points OSGenChem 1 12 3.P.016 Please use the values in the resources lis

Question

5. 1.04 points OSGenChem 1 12 3.P.016 Please use the values in the resources listed below instead of the textbook vaiues. How will each of the following affect the rate of the reaction, CO(g) + NO2(g) CO2(g) + NO(g), if the rate law for the reaction is rate-k [NO2] [CO]? (a) increasing the pressure of NO2 from 0.2 atm to 0.4 atm The rate Select by a factor of (b) increasing the concentration of Co from 0.03 M to 0.12M The rate Select- by a factor of Supporting Materials Constants and Factors Periodic Table Supplemental Data Additional Materials Section 12.3

Explanation / Answer

given rate law is

rate = k [NO2] [CO]

so

1st order with respect to NO2

1st order withr respect to CO

a)

now

the pressure of NO2 is increased from 0.2 atm to 0.4 atm

so

it is increased by a factor of 2

since rate is 1st order with respect to NO2 , the rate also increases by the same factor

so

The reate increases by a factor of 2

b)

here concentration of CO is increased by a factor of 4

since rate is 1st order with respect to CO , the rate also increases by the same factor

so

the rate increases by a factor of 4

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