usflearn.instructure.com Quiz: CHM 2046 Quiz 5 Due on Wednesday, Feb 14th, at 11

Question

usflearn.instructure.com Quiz: CHM 2046 Quiz 5 Due on Wednesday, Feb 14th, at 11:30 PM usipre, Decause one or tne erementary steps is termorecuiarity. Consider thi O It is plausible Question 7 1 pts Addition of MnO2 (a catalyst) to the following reaction causes all of the following to be true EXCEPT 2KCIOg 2KCI + 302 The half-life increases O The energy of activation decreases for the reaction. O The rate of the reaction increases. O The amount of MnO2 doesn't change during the reaction. Question 8 1 pts The reaction of O3 with Clo is believed to occur by the mechanism shown below. CIO. + O Cl. +02

Explanation / Answer

Except half life increase all are true.

since catalyst increase the rate of the reaction. As rate of reaction increases, rate of dicomposition increases.

Then time required to complete 50 percent of original caoncentration decreases. ie half life decreases.

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