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19 Cards in this Set

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Reactant
a substance that undergoes a chemical change
Product
a substance that is the result of a chemical change
Chemical Energy
the energy stored within atoms and molecules that can be released when a substance reacts
Exothermic Reaction
a reaction that transfers energy from the reactants to the surrounding usually as heat
Endotherimic Reaction
a reaction in which energy is transferred to the reactants usually as heat from the surroundings
Synthesis Reaction
a reacton of at least two substances that forms a new, more complex compound
Decomposition Reaction
a reaction in which one compound breaks into at least two products
Electrolysis
the decompisition of a compound by an elctric current
Combustion Reaction
reaction in which a compound and oxygen burn
Single-displacement Reaction
a reaction in which atoms of one wlement take the plave of atoms of another element in a compound
Double-displacement Reaction
a reaction in which a gas, a solid precipitate, or a molecular compound is formed from the apparent exchane of ions between two compounds
Reduction/Oxidiation (redox) Reaction
a reaction that occurs when electrons are transferred from one reactant to another
Radicals
the fragments of molecules that have at least one electron available for bonding
Chemical Equation
AN EQUATION THAT USES CHEMICAL FORMULAS AND SYMBOLS TO SHOW THE REACTANTS AND PRODUCTS IN A CHEMICAL REACTION
Catalyst
a substance that changes the rate of chemical reactions without being comsumed
Enzyme
a protein that speeds up a specific biochemical reaction
Substrate
the specific substance affected by and enzyme
Equilibrium
the state in which a chemical reaction and its reverse occur at the same time and at the same rate
Le Chatelier's Principle
states that for any change made to a system in equilibrium, the equilebrium will shift to minimize the effects of the change.