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science

QuestionAnswer
chemical reactions 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 symbols to show the relationship between the reactants and the products
reactant a substance that participates in a chemical reactant
product a substance that forms in a chemical reaction
law of conservation of mass the law that states that mass can not be created or destroyed in ordinary chemical and physical changes
endothermic reaction a chemical reaction that requires energy input, usually as heat
exothermic reaction a chemical in which energy is released to the surroundings, usually as heat
law of conservation of energy the law that states that energy cannot be created or destroyed but can be changed from one to another
organic compound a covalently bonded compound that contains carbon
hydrocarbon an organic compound composed only of carbon and hydrogen
organic acid an organic chemical compound that contains one or more carboxyl group
carbohydrate a class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
polymer a large molecule that is formed by more than five monomers, or small units
Created by: ralphy2504