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Chemistry 24 Online
OpenStudy (anonymous):

How to determine the order with respect to the whole reaction: 1. 2HCrO4- +6I- +14H+ -> 2Cr3+ +3I2 +8H2O 2. H2O2 +2I- + 2H+ -> I2 + 2H2O My book says order of the first reaction is 5 and the second one is 2.

OpenStudy (anonymous):

See if you can write the rate law expressions. The overall order is found by adding the exponents together.

OpenStudy (joannablackwelder):

Yep, add the exponents of the rate law together.

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