Half-life of Zero Order  [ENDORSED]


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Kate Zeile 2D
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Joined: Sat Jul 22, 2017 3:01 am

Half-life of Zero Order

Postby Kate Zeile 2D » Wed Feb 28, 2018 7:24 am

In the textbook, at the end of section 15.6, it gives a table detailing all components of each order of a reaction. When writing the half-life of a zero-order reaction, it stated that it was t1/2=, but underneath that it says "(not used)." Does anyone know what this means/why this is the case?

Austin Ho 1E
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Re: Half-life of Zero Order

Postby Austin Ho 1E » Wed Feb 28, 2018 10:09 am

I believe that, in general, the textbook won't be asking you questions about the half life of 0th order reactions. Therefore, the equation is not used, but is still provided so you know what it is in theory. This is like the half life equation of 2nd order reactions - it is provided, but you won't have to use it.

melissa carey 1f
Posts: 53
Joined: Fri Sep 29, 2017 7:06 am

Re: Half-life of Zero Order

Postby melissa carey 1f » Wed Feb 28, 2018 12:34 pm

I thought we only needed to know half-lives for first-order reactions?

Juanyi Tan 2K
Posts: 33
Joined: Fri Sep 29, 2017 7:05 am

Re: Half-life of Zero Order

Postby Juanyi Tan 2K » Thu Mar 01, 2018 8:30 pm

I think we also need to know half lives for second-order reactions.

William Satyadi 2A
Posts: 31
Joined: Sat Jul 22, 2017 3:00 am

Re: Half-life of Zero Order  [ENDORSED]

Postby William Satyadi 2A » Thu Mar 01, 2018 9:47 pm

Since Dr. Lavelle covered how to calculate half-life for zero, first, and second order reactions, I would probably study it and practice how to use it, even if the book doesn't require to do so, as I think anything he lectures on is fair game for the final.


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