15.19 part a

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Paula Dowdell 1F
Posts: 72
Joined: Tue Nov 15, 2016 3:00 am

15.19 part a

Postby Paula Dowdell 1F » Sat Mar 03, 2018 3:03 pm

Hi! Can someone explain to me how they determined that [B] is second order?
I determined [A] by solving as I have previously seen: 1.25^a/2.5 = 8.7/17/4 => 0.5^a=0.5 (first order)
Screen Shot 2018-03-03 at 3.02.41 PM.png

Alvin Tran 2E
Posts: 39
Joined: Fri Sep 29, 2017 7:06 am

Re: 15.19 part a

Postby Alvin Tran 2E » Sat Mar 03, 2018 3:27 pm

To find the order of [B] you want to compare reaction 1 and 3 because the concentrations of A and C stay the same.
So we have
5.84 = 2.416M
Solve for M and you get 2.
So B is second order.

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