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Chemistry Chap 17
N/A
7
Chemistry
9th Grade
04/17/2012

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Term
chemical equilibrium
Definition
when the forward and reverse reactions take place at equal rates (they balance each other out)
Term
law of chemical equilibrium
Definition
this states that at a given temp, a chem system might reach a state in which a particular ratio of reactant and product concentrations has a constant value.
Term
equilibrium constant (Keq)
Definition
the numerical value of the ratio of product concentrations to reactant concentrations, with each concentration raised to the power equal to its coefficient in the balanced equation.
Term
Le Chatelier's principle
Definition
if a stress is applied to a system at equilibrium the system shifts in the direction that relieves the stress
Term
common ion
Definition
an ion that is common to two or more ionic compounds
Term
common ion effect
Definition
the lowering of the solubility of a substance because of the presence of a common ion
Term
solubility product constant (Ksp)
Definition
the equilibrium constant expression fro the dissolving of a sparingly soluble compound.
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