The substances produced by the chemical reaction.
products
reactants
oxygen
carbon dioxide
A substance that slows, or even stops, a chemical reaction.
inhibitor
enzyme
hydrogen peroxide
catalyst
A chemical reaction in which a substance combines with oxygen and releases energy.
contrast
synthesis
decomposition
combustion
A chemical reaction where the negative ions in 2 compounds switch places, forming 2 new compounds.
double replacement
single replacement
combustion
synthesis
The minimum amount of energy needed to start a chemical reaction.
temperature
activation energy
concentration
reaction energy
A description of a reaction using element symbols and chemical formulas.
chemical equation
synthesis
combustion
chemical reaction
Chemical reactions that absorb thermal energy.
combustion
exothermic reactions
endothermic reactions
thermal energy
A type of chemical reaction where 1 element replaces another element in a compound.
combustion
single replacement
double replacement
triple replacement
The starting substance in a chemical reaction.
products
reactants
chemical equation
catalyst
A number placed in front of an element symbol or chemical formula in an equation.
equation
foldable
number
coefficient
A catalyst that speeds up chemical reactions in living cells.
concept
catalyst
inhibitor
enzyme
A type of chemical reaction in which 2 or more substances combine and form 1 compound.
synthesis
decomposition
compound
substances
A process in which atoms of 1 or more substances rearrange to form 1 or more new substances
activation energy
coefficient
inhibitor
chemical reaction
A chemical reaction that releases thermal energy.
endothermic reaction
exothermic reaction
energy
reactants
A type of reaction where 1 compound breaks down and forms 2 or more substances.
synthesis
reactant
decomposition
atoms
A substance that increases the reaction rate by lowering the activation energy of a reaction.
inhibitor
catalyst
enzyme
graphic
The total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.
law of conservation of mass
chemical equation
endothermic
chemical reaction