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### Equilibrium constant and elementary reaction rate constants

Posted: **Tue Mar 10, 2020 8:55 pm**

by **ShravanPatel2B**

How is the equilibrium constant related to the forward and reverse rate constants of the

elementary reactions contributing to an overall reaction?

### Re: Equilibrium constant and elementary reaction rate constants

Posted: **Tue Mar 10, 2020 9:35 pm**

by **Jack Riley 4f**

K=(k'/k) is the relationship between equilibrium constant and rate constants

### Re: Equilibrium constant and elementary reaction rate constants

Posted: **Tue Mar 10, 2020 9:37 pm**

by **Niharika 1H**

The eq constant K = kf/kr.

### Re: Equilibrium constant and elementary reaction rate constants

Posted: **Wed Mar 11, 2020 12:42 am**

by **WYacob_2C**

The equilibrium constant is equal to k(forward)/k(reverse). This is helpful when converting the concentration of intermediate species into concentrations of reactants of the overall reaction when given elementary reactions.

### Re: Equilibrium constant and elementary reaction rate constants

Posted: **Wed Mar 11, 2020 10:22 am**

by **Sartaj Bal 1J**

For a forward reaction that is endothermic, increasing the equilibrium constant means that the forward rate constant will increase as well.

### Re: Equilibrium constant and elementary reaction rate constants

Posted: **Wed Mar 11, 2020 10:59 am**

by **Kevin Xu 4F**

In an equilibrium reaction, there is a forward reaction and a reverse reaction happening at the same time. The forward reaction's rate can be modeled as rate=k[reactants] and the reverse reaction's rate can be modeled as rate = k'[products]. At equilibrium, since the rates of forward and reverse reactions are equal, you can set these equal to each other and rearrange the rate constants on one side to get k/k' = [products]/[reactants]