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Chemistry; Ch. 6

Crystal Cathedral High School Sophomores (Semester 1; Ms. Rose)

QuestionAnswer
Product A new substance formed when reactants undergo chemcial change.
Reactant A substance that undergoes a reaction.
Diatomic An element found naturally paired with itself. (I, O, F, Cl, Br, H)
Aqueous Solution A solution in which the solvent is water.
Subscript Numbers that tell you how many elements are present in the compound.
Coefficient A number placed in front of the parts in a chemical equation to indicate how many are involved; always a positive whole number.
Equilibrium Term for a system where no net change occurs in the amount of reactants or products.
Inhibitor A substance that slows down a reaction.
Catalyst A substance that speeds up the rate of a reaction without being used up itself or permanently changed.
Enzyme A biological catalyst.
Concentration The amount of a substance present in a unit volume.
Combustion Term for a reaction in which a substance rapidly combines with oxygen to form one or more oxides.
Synthesis The name applied to a reaction in which two or more substances combine to form a single product.
Decomposition The name applied to a reaction where a compound breaks down into two or more simpler substances.
Single Displacement A type of reaction where one element takes the place of another in a compound.
Double Displacement A type of reaction where the positive and negative portions of two ionic compound are interchanged; at least one product must be water or a precipitate.
How To Identify That A Chemical Reaction Is Taking Place Color changes, precipitation, energy changes, odor changes, gas release.
Products On the left of the arrow.
Reactants On the right of the arrow.
H(3) Subscript.
2Na Coefficient.
Synthesis Reaction Two or more reactants combine to form a single product.
Decomposition Reaction Reactant is broken down into two or more products.
Single Displacement One molecule takes place of another molecule.
Double Displacement Positive portions of any two molecules change places.
Combustion Reaction Substance combines with oxygen to form carbon dioxide and an oxide.
How To Get More Of A Reactant/Product In A Reaction Increase the concentration.
Four Ways To Change The Equilibrium Remove products.
Cation Positive +
Anion Negative -
Created by: dez(a)rey