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Can equilibrium constants be negative

Updated: 4/28/2022
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No. An equilibrium constant is derived from the products, powers, and ratios of the activities (essentially the concentrations) of the species that are in equilibrium. Since there is no such thing as a negative concentration, there is no way their products, powers or ratios can yield a negative number.

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Q: Can equilibrium constants be negative
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What are the real life applications of Equilibrium constants?

Equilibrium constants are essential to answering many thermodynamic questions and to figuring out how a chemical is gonna behave in a solution. On a routine basis -- meaning someone working in a lab -- you need equilibrium constants to make buffers (henderson-hasselbalch).


If delta g is negative what can be said about k?

If delta G is negative, then K (Upper case K, as in Keq or the equilibrium constant) will be greater than 1.  Remember that delta G = -RT log K.Do not get Keq confused with lower case k, which denotes rate constants (which have NOTHING TO DO WITH Keq or delta G).


What is the difference between dissociation constant and equilibrium constant?

Equilibrium constants aren't changed if you change the concentrations of things present in the equilibrium. The only thing that changes an equilibrium constant is a change of temperature. The position of equilibrium is changed if you change the concentration of something present in the mixture. According to Le Chatelier's Principle, the position of equilibrium moves in such a way as to tend to undo the change that you have made.


If the temperature of a reaction increases what happens to the value of the equilibruim constant?

Equilibrium constant changes when temperature changes. For an endothermic reaction, the equilibrium constant increases with temperature while for an exothermic reaction equilibrium constant decreases with increase in temperature. Equilibrium constants are only affected by change in temperature.


How can you tell how strong acids and alkalis are?

Look it up in a table of acid constants (proteolytic equilibrium constants) or Ka-table. weak: CH3COOH, acetic acid Ka=1.7*10-5 , very weak: HCN, Hydrogen cyanide Ka = 4.9*10-10 strong: HCl, Hydrogen chloride Ka >> 1.0

Related questions

What are the real life applications of Equilibrium constants?

Equilibrium constants are essential to answering many thermodynamic questions and to figuring out how a chemical is gonna behave in a solution. On a routine basis -- meaning someone working in a lab -- you need equilibrium constants to make buffers (henderson-hasselbalch).


If delta g is negative what can be said about k?

If delta G is negative, then K (Upper case K, as in Keq or the equilibrium constant) will be greater than 1.  Remember that delta G = -RT log K.Do not get Keq confused with lower case k, which denotes rate constants (which have NOTHING TO DO WITH Keq or delta G).


What would the effect be on the equilibrium constants if the total amount of cheerios used was doubled?

The value of K would be decreased by one half


10 Ka and Kb are mathematical constants derived from the equilibrium concentrations of conjugate acids and bases found in aqueous solutions as compared against the equilibrium concentrations of the pa?

Stop asking questions! -Ms Males


Can a negitave number be a constant term?

Yes, it can. Constants can be both positive and negative numbers.


What is the difference between dissociation constant and equilibrium constant?

Equilibrium constants aren't changed if you change the concentrations of things present in the equilibrium. The only thing that changes an equilibrium constant is a change of temperature. The position of equilibrium is changed if you change the concentration of something present in the mixture. According to Le Chatelier's Principle, the position of equilibrium moves in such a way as to tend to undo the change that you have made.


How can someone have negative and positive blood at the same time?

at equilibrium


What does the negative sign in the dissociation constant mean?

equilibrium constant


If the temperature of a reaction increases what happens to the value of the equilibruim constant?

Equilibrium constant changes when temperature changes. For an endothermic reaction, the equilibrium constant increases with temperature while for an exothermic reaction equilibrium constant decreases with increase in temperature. Equilibrium constants are only affected by change in temperature.


What is the negative feedback of the dynamic equilibrium?

its none of your buisnesss haha :P


Net exports are negative?

positive net exports increase equilibrium GDP while negative net exports decrease it.


How does supply shock affect equilibrium price and quantity?

Because supply shock is a sudden change of a good. Meaning if it is a negative shock, the equilibrium price and quantity of course will go down. And if it is a positive shock, vice versa of negative.