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Inter of matter
Term | Definition |
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Chemical reactions | the process in which atom are rearranged and chemical bonds are broken and formed to produced a chemical change of a substance |
Chemical formula | a combination of chemical symbols and numbers to represents a substance |
chemical equation | chemical reactions that shows the relationship between the reactants and the product |
reactant | a substance that participates in a chemical reaction |
product | a substance that forms in a chemical reaction |
Law of conservation of mass | the law that states that states that mass cannot be created or destroyed in ordinary chemical and physical change |
endothermic reaction | a chemical reaction that requires the energy input, usually as heat |
exothermic reaction | a chemical reaction in which energy is released to the surroundings, usually as heat |
law of conservation of energy | the law that states energy cannot be created or destroyed but can be changed from one form to another |
orgenic compound | a covalently bonded compound that contains carbon |
hydrocarbon | an organic compound composed only for carbon and hydrogen |
organic acid | an organic chemical compound that contains one or more carboxyl groups; examples are acetic and acid. |
carbohydrate | a class of molecules that include sugar , starches, and fiber; contains carbon, hydrogen, and oxegens |
polymer | a large molecules that is formed by more ten five monomers, or small |