Rate change and species relation

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

ng1D
Posts: 43
Joined: Wed Sep 18, 2019 12:17 am

Rate change and species relation

How do we show how the rate of change of one species in a reaction is related to that of another species? Are they in the same reaction?

Brian_Ho_2B
Posts: 221
Joined: Fri Aug 09, 2019 12:16 am

Re: Rate change and species relation

The unique rate of change of any reaction is -(1/r)(d[R]/dt) or +(1/p)(d[P]/dt). The instantaneous rates of change of reactants and products are based on their stoichiometric coefficients, but the unique rate of change for the full reaction can be calculated using any of the reactants or products, given that you know their rates of change and their stoichiometric coefficients.

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