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Size:  490.9 KBSomeone please explain why it’s 9, I thought it was 3 because they are both first order so I did 3^1 twice and added them..
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    Yes they are 3, however the rate equation doesn't add the concentrations, its a multiplication
 
 
 
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Updated: October 15, 2017
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The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

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