8-1 Describing Chemical Reactions

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precipitate

A solid that is produced as a result of a chemical reaction in solution and that separates form the solution

Describe the differences between word equations, formula equations, and chemical equations.

A word equation uses words to represent the reactants and products in a chemical reaction. A formula equation uses chemical symbols or formulas, but does not reveal the ratios of the products and reactants. A chemical equation is a balanced formula equation.

You must be able to write word, formula, and chemical equations

Practice available on page 254 section review

reversible reaction

a chemical reaction in which the products re-form the original reactants

formula equation

a representation of the reactants and products of a chemical reaction by their symbols or formulas

chemical equations

a representation with symbols and formulas, of the identities and relative amounts of the reactants and products of the chemical reaction

coefficient

a small whole number that appears in front of a formula in a balanced chemical equation


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