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Biology
Chemical Reactions
8
Biology
9th Grade
11/13/2012

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Term
Chemical Reaction
Definition

A process that changes or transforms one set of chemicals into another.  Changes the chemical bond.  

Iron + Oxygen = Rust

Term
Chemical Reaction
Definition
A process that changes or tranfers one set of chemicals into another. Changes the chermical bonds dor compounds . Iron + Oxygen = Rust 
Term
Reactant
Definition
The starting elements or compounds to a chemical reaction.
Term
Product
Definition
The elements or compouds that are produced during a chemical reaction.
Term
Activation Energy
Definition
The energy needed to start a chemical reaction.
Term
Enzymes
Definition
Speed up chemical reactions that place in cells.
Term
Catalysts
Definition
A susbstance that speeds up the rate of a  chemical reaction. They lower the energy needed to start up a reaction.
Term
Calorie
Definition
Amount of energy to raise the temperature of 1 gram of water by 1 degree celcius
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