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Chap 11 Reactions
Question | Answer |
---|---|
Chemical reaction | A change in which one or more reactants changes into one or more products. |
Reactant | A starting substance in a chemical reaction. |
Product. | A new substance formed in a chemical reaction. |
Chemical equation | A concise representation of a chemical reaction. |
Skeleton equation | A chemical equation that does not indicate relative amounts of reactants and products. |
Balanced equation | An equation in which each side has the same number of atoms of each element. |
Combination reaction | A chemical change in which two or more substances react to form a single new substance. |
Combustion reaction | A chemical change in which a carbon hydrogen compound react with oxygen to form carbon dioxide and water. |
Double replacement reaction | A chemical change that involves an exchange of positive ions between two compounds. |
Coefficient | A whole number that appears in front of a formula in a balanced chemical equation. |
Single replacement reaction | A chemical change in which one element replaces a second element in a compound. |
Decomposition reaction | A chemical change in which a single compound is broken down into two or more simpler products. |