## Zero Order Units

$\frac{d[R]}{dt}=-k; [R]=-kt + [R]_{0}; t_{\frac{1}{2}}=\frac{[R]_{0}}{2k}$

Maria Trujillo 1L
Posts: 47
Joined: Fri Apr 06, 2018 11:05 am

### Zero Order Units

What is a good way of memorizing the units for zero, 1 and 2nd order reactions, like in a way that you understand the concepts?

AlyssaBei_1F
Posts: 99
Joined: Fri Sep 28, 2018 12:17 am

### Re: Zero Order Units

In the 7th edition, 7a problem #7 lays it out. The units for zero order are (mol A)/L/s. The units for first order are s^-1. The units for second order are L/(mol A)/s.

Laura Gong 3H
Posts: 89
Joined: Fri Sep 28, 2018 12:26 am
Been upvoted: 1 time

### Re: Zero Order Units

You can solve for the units of the rate constant by making sure your units at the end equal to M/s (which are the units for rate).

juliasloan_4g
Posts: 67
Joined: Fri Sep 28, 2018 12:28 am

### Re: Zero Order Units

it may be easier to understand where the units come from by solving for it rather than memorizing them

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