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Acids, Bases and Equations
review for acids, bases and equations
20
Science
7th Grade
10/25/2008

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Cards

Term
acid
Definition
gains a proton, sour taste
Term
pH scale
Definition
0-14: 0-6 acids 8-14 bases
Term
neutral
Definition
7 on the pH scale
Term
neutralization
Definition
base reacts with acid producing salt and water molecules
Term
equation
Definition
series of symbols, subscripts and coefficients that represent a chemical reaction
Term
synthesis
Definition
reaction whereby a single product is produced
Term
decomposition
Definition
reaction whereby a complex compound is broken down into simpler
compounds/elements
Term
single displacement
Definition
reaction whereby a single element exchange places with another in compound
Term
base
Definition
gives up a proton, bitter taste, slippery
Term
double displacement
Definition
reaction whereby two elements exchange places forming two new compounds
Term
exothermic
Definition
type of reaction whereby energy is released; hot
Term
endothermic
Definition
type of reaction whereby energy is held in; cold
Term
catalyst
Definition
a substance that speeds up the reaction rate and is not affected by the reaction
Term
mass
Definition
Law of Conservation of ____ states that matter cannot be created nor destroyed during a reaction
Term
yeild sign
Definition
arrow in an equation that means 'equals'
Term
balanced
Definition
the reactant side of the equation should ____ the product side of the reaction
Term
reactants
Definition
the chemicals that exist before the reaction
Term
products
Definition
the chemicals produced after a reaction
Term
chemical reaction
Definition
same as a chemical change; a change in which new substances are produced
Term
temperature, concentration, surface area
Definition
three factors that affect the rate of a chemical reaction
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