A chemical reaction that requires heat
The law that states that energy cannot be created or destroyed but can be change another
The minimum amount of energy required to start a chemical reaction
Activation Energy
A substance that slows down or stops a chemical reaction
A substance that changes the rate of a chemical reaction without being used up or changed very much
A chemical reaction in which heat is released to the surroundings
A combination of chemical symbols and numbers to represent a substance
Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
Chemical Equation
A substance or molecule that participates in a chemical reaction
The substance that forms in a chemical reaction
2 or more substances combine to form a new compound
A compound decomposes into 2 or more simpler substances
1 element replaces another element in a compound
Single Replacement

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