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Q: When you write an equilibrium constant expression how do you decide what goes on in the numerator and in the denominator?
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What is the significance of Kc in equilibrium expression?

Kc is the equilibrium constant.


Why does constant Kc in chemical equilibrium has no units?

Kc is the equilibrium constant and is the ratio of the activity of the reactants (numerator) to the activity of the product (denominator). The activity of each component is raised to the power of its corresponding chemical stoichiometric coefficient. Since the activity of each chemical is unitless, the equilibrium constant will also have no units. Example: For equilibrium of chemicals in the gas phase, each activity will be measured by its partial pressure (units of pressure) multiplied by its fugacity (units of 1/pressure), so the activity of each gas participating in the equilibrium will be unitless, and the corresponding ratio (Kc) will be unitless.


What are Kp aND KC?

Kc is the equilibrium constant of a chemical reaction; Kp is the equilibrium constant of a chemical reaction at constant pressure.


Are unplanned changes in inventories rising falling or constant at equilibrium GDP?

They are constant at equilibrium GDP.


Can a body in equilibrium if it is in motion?

It can be in equilibrium if in constant motion (constant velocity) as no forces are acting on it (no acceleration)


What is the difference between q and K in determining an equilibrium constant?

K is the equilibrium constant, Q is a concentration.


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.


What indicates a small equilibrium constant?

A small equilibrium constant value means equilibrium will never establish or the amount of products in reaction mixture is negligible.


What is used to describe the conditions of a reaction at equilibrium?

An equilibrium constant


What is used to describe the conditions of a reaction to equilibrium?

An equilibrium constant


What are the solubility product of lead chloride?

Since Lead (II) Chloride has the formula PbCl2, the equilibrium equation for its dissolution is: PbCl2 <=> Pb+2+2Cl- so the equilibrium-constant expression is Ksp= [Pb+2][Cl-]


Is universal gas constant equal equilibrium constant?

No