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Science Ch 12,13,14

FINAL

TermDefinition
reactant starting substances in a chemical reaction
coeffiecient number placed in front of element symbol or chemical formula in a equation
types of chemical reaction synthesis, decomposition, combustion, single replacement, and double replacement
synthesis two or more substances combine to form a compound
decomposition compound splits two form two or more substances
single replacement one element replaces another in a compound
double replacement negative ions in two compounds switch places, from two new compounds
combustion chemical reaction in which a substance combines with oxygen and releases energy
activation energy the minimum amount of energy needed to start a chemical reaction
catalyst substance that increases reaction rate by lowering activation energy of reaction
inhibitor substance that slow, or even stops, a chemical reaction
polar molecule molecule with a slightly negative end and a slightly positive end
solubility maximum amount of solute that can dissolve in a given amount of solvent at a given temperature and pressure
acid substance that produces a hydronium ion when dissolved in water
base substance that produces hydroxide ions when dissolved in water
pH inverse measure of the concentration of hydronium ions in a solution
indicator compound that changes color at different pH values when it reacts with acidic or basic solutions
organic compound chemical compound that contains carbon atoms usually bonded to at least one hydrogen atom
Created by: 2018grellerj