CHEM121 - CH 7 VOCAB
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11 Terms
reactants
substance(s) consumed during a chemical reaction
products
substance(s) formed as a result of a chemical reaction
chemical equation
a description of the identities and proportions of the reactants and the products in a chemical reaction
law of conservation of mass
the principle that the sum of the masses of the reactants in a chemical reaction is equal to the sum of the masses of the products
combination reaction
a reaction in which two or more substances form a single product
combustion
a rapid reaction between fuel and oxygen that produces energy
stoichiometry
the mole ratios among the reactants and products in a chemical reaction
theoretical yield
the maximum amount of product possible in a chemical reaction for the given quantities of reactants
percent yield
the ratio, expressed as a percentage, of the actual yield of a chemical reaction to the theoretical yield
percent composition
the composition of a compound expressed in terms of the percentage by mass of each element in the compound
combustion analysis
a laboratory procedure in which a substance is burned completely in oxygen to produce known compounds whose masses are used to determine the composition of the original material
Note 
Flashcards (43)