## Lecture Clarification [ENDORSED]

$aR \to bP, Rate = -\frac{1}{a} \frac{d[R]}{dt} = \frac{1}{b}\frac{d[P]}{dt}$

Kristina Rizo 2K
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### Lecture Clarification

This is a silly question, but could someone please explain to me the differences between [A] and [A]o?

Micah3J
Posts: 100
Joined: Tue Oct 08, 2019 12:16 am

### Re: Lecture Clarification

I was looking over my notes again and couldn't quite remember

Chem_Mod
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### Re: Lecture Clarification  [ENDORSED]

[A] is the concentration of reactant at any time, t.

[A]o is the initial concentration of reactant at the initial time, t = 0.

I'll mention it again in class. :-)