## Definition of K prime

$\frac{d[R]}{dt}=-k[R]; \ln [R]=-kt + \ln [R]_{0}; t_{\frac{1}{2}}=\frac{0.693}{k}$

504594108
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### Definition of K prime

What exactly is K prime and when do you use it?

Cat Larcheveque 2E
Posts: 20
Joined: Fri Sep 25, 2015 3:00 am

### Re: Definition of K prime

K prime is the reverse rate constant of the reaction.

Sophia 3F
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Joined: Fri Sep 25, 2015 3:00 am

### Re: Definition of K prime

Also, is k prime only equal to k if the reaction is at equilibrium?

Kurtis Lavelle 1k
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Joined: Fri Sep 25, 2015 3:00 am

### Re: Definition of K prime

yes. The rate of forward and reverse reaction (k and k prime) are only equal at equilibrium.