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BJU Chemistry Ch 15

Bob Jones Chemistry - Chapter 15

TermDefinition
chemical equilibrium Results when forward and reverse reactions proceed at the same time.
common-ion effect An equilibrium phenomenon in which two or more substances dissolve and release a common ion, thereby decreasing the ionization of the weaker electrolyte.
equilibrium constant A numerical expression of the ratio of the products to reactants at equilibrium. Each concentration in the expression is raised to the power that matches the substance's coefficient in the balanced chemical reaction.
Haber process The industrial preparation of ammonia from nitrogen and hydrogen gas that uses high temperatures, high pressures, and catalysts.
heterogeneous equilibrium A chemical system at equilibrium in which two or more states of matter are represented.
homogeneous equilibrium A chemical system at equilibrium in which all the reactants and products are in the same state of matter.
irreversible reaction A reaction that proceeds in only on direction to permanently change reactants into products.
law of chemical equilibrium The law stating that a chemical system may reach a point at which the ratio of the concentration of the products to that of the reactants is constant at a fixed temperature.
Le Chatelier's principle The principle that when a reversible process is stressed, it will proceed in the direction that relieves the stress.
reversible reaction A reaction that proceeds in a forward and reverse direction so that products can change back into reactants and an equilibrium can be reached.
solubility product constant The equilibrium constant for the dissolving of a slightly soluble salt.
Created by: marchscience
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