## What does K represent?

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abbydouglas1K
Posts: 65
Joined: Fri Sep 28, 2018 12:26 am

### What does K represent?

I know how to find K but what does it mean ?

Chris Freking 2G
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

### Re: What does K represent?

K is the equilibrium constant, which is derived from dividing the concentration of product by the concentration of reactant. (K=[P]/[R]). When a reaction is at equilibrium, products and reactants are being formed at equal rates, so the concentration of either remains constant.

JulieAljamal1E
Posts: 71
Joined: Fri Sep 28, 2018 12:24 am

### Re: What does K represent?

K is the equilibrium constant. It represents the concentration of products at equilibrium over the concentration of reactants at equilibrium. At equilibrium the reaction is still occuring and products and reactants are still being formed/ the forward and reverse reactions are stil occuring but at equal rates.

Noah Cook 3O
Posts: 31
Joined: Fri Sep 28, 2018 12:20 am

### Re: What does K represent?

K represents the ratio of products to reactants when the reaction is at equilibrium. Basically, if you were to let the reaction go (till equilibrium), how much of the products do you have compared to the reactants. Note that equilibrium does not mean the products and reactants are equal, but rather that the reaction has reached a state where it will no longer change the quantities of products and reactants.

Zubair Ahmed 1L
Posts: 81
Joined: Fri Sep 28, 2018 12:16 am

### Re: What does K represent?

K represents the equilibrium constant which is denoted by the concentration of products over the concentration of the reactant. If both of the concentrations are the same, the K value would be one.

Danny Zhang 4L
Posts: 62
Joined: Fri Sep 28, 2018 12:26 am

### Re: What does K represent?

K is the equilibrium constant. It represents the ratio of the concentration of products to the concentration of reactants in a reaction that tells us when the rate of forward reaction and the rate of reverse reaction are equal.

Posts: 62
Joined: Fri Sep 28, 2018 12:23 am

### Re: What does K represent?

Keep in mind that once you find K, the amounts of the products and reactants can vary although the ratios of the concentrations of reactants and products will stay the same for a certain reaction.

LeannaPhan14BDis1D
Posts: 57
Joined: Fri Sep 28, 2018 12:16 am

### Re: What does K represent?

K is a constant but it is supposed to stay the same regardless of the different P/R right?

Jocelyne Milke 1G
Posts: 73
Joined: Fri Sep 28, 2018 12:25 am

### Re: What does K represent?

LeannaPhan14BDis1D wrote:K is a constant but it is supposed to stay the same regardless of the different P/R right?

Yes! I believe changing the concentrations of the reactants or products does not change K

Raj_Bains_2C
Posts: 66
Joined: Fri Sep 28, 2018 12:25 am
Been upvoted: 1 time

### Re: What does K represent?

K is the ratio of the concentrations or partial pressures of the products to reactants at equilibrium. It is a way to tell is a reaction is at equilibrium and it helps us know what needs to happen to take the reaction to equilibrium.