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Inter of mater
Term | Definition |
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Chemical reaction | the process in which atoms are rearranged and chemical bonds are broken and formed to produce a chemical change of a substance |
Chemical formula | a combination of chemical symbols and numbers to represent a substance |
Chemical equation | a representation of a chemical reaction that uses symbol to show relationship between the reactants and the products. |
Reactant | a substance the participates in a chemical reaction |
Product | a substance that form in a chemical reactoin |
Law of conservation of mass | the law that states that energy cannot be created or destroyed but can be from one form to another |
Endothermic reaction | a chemical reaction that requires energy input, usually as heat |
Exothermic reaction | a chemical reaction in which energy is released to the surrounding, usually as heat |
Law of conservation of energy | the law that states the energy cannot be created or destroyed but can be changed from one form to another |
Organic compound | a covalently bonded compound the contains carbon |
Hydrocarbon | an organic compound composed only of carbon and hydrogen |
Organic acid | an organic chemical compound that contains one or more carboxyl groups; examples are acetic and lactic acid |
carbohydrate | a class of molecules that includes sugars, starches and fiber; contains carbon hydrogen, and oxygen |
Polymer | a large molecule that is formed by by more than five monomers, or small units. |