## rate proportions

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

Kassandra Molina 2B
Posts: 43
Joined: Wed Nov 16, 2016 3:03 am

### rate proportions

what does a rate proportion depend on? for example what will happen to a rate if the amount of a molecule doubles or halves?

Jaewoo Jo 2L
Posts: 31
Joined: Fri Sep 29, 2017 7:06 am

### Re: rate proportions

It depends on the power of the components in the rate law. if one component is a squared, then the rate will change by a factor of 4.

AnuPanneerselvam1H
Posts: 52
Joined: Fri Sep 29, 2017 7:07 am

### Re: rate proportions

If a reaction is first order then the rate will be doubled when the reactant is doubled. If the reaction is second order and only has one reactant, then doubling the reactant will cause the rate to be squared.

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