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chemical reaction
Term | Definition |
---|---|
chemical reaction | the process by witch one or more substances change to produce one or more different substances |
precipitate | A solid that is made up of amino acids and that is needed to build and repair body structure and to regulate the processes in the body |
chemical formula | a combination of chemical symbols and numbers to repentant a substance |
chemical equation | a representation of a chemical reaction that uses symbols to show the relationships between the reactants and the prouducts |
reactant | a substance or molecule that participates in a chemical reaticion |
prouduct | a substance that forms in a chemical reaction |
law of conservation of mass | the law that states that the mass cannot be created or destroyed in ordinary chemical and phyicak changes |
synthesis reaction | a reaction in witch two or more substances combine to form a new compound |
decomposition reaction | a reaction in witch a single compound breaks down to form two or more simplar substances |
single displacement reaction | a reaction in witch one element take the place of another element in a compound |
double displacement reaction | a reaction in witch a gas a solid precipitate or molecule compound forms from the extange of ions between two compounds |
exothermic reaction | a chemical reaction in witch heat is released to the souroundings |
endothermic reaction | a chemical reaction that requires heat |
law of conservation of energy | the law that states that mass conot be created or destroyed but can be changed from one form to another |
activation energy | the minimum amount of energy requires to start a chemical reaction |
inhabitor | a substance that slows down or stop a chemical reaction |
catalyst | a substance that changes the rate of a chemical reaction with out being uses up or changed very much |