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| Chemical equation | represents, withsymbols and formulas, the identities and relative amounts of the reactants and products in a chemical reaction. |
| percipitate | in a double-replacement reaction a _______ is formed when the cations of one reactant combine with the anions of another reactant to form an insoluble compound. |
| Formula equation | this type of equation is not quantitative because it is not balanced. |
| oxides and sulfides | this type of synthesis reaction has elements reacting with oxygen or sulfur to produce ____ and _______. |
| gold, platium, silver | Almost all metals form metal oxides except what? |
| hydroxides | oxides of active metals react with water to produce metal________. |
| Precipitate | a solid that is produced as a result of a chemical reaction in solution and then separates from the solution. |
| Combustion reactions | a reaction where a substance combines with oxygento produce light, heat and water vapor. |
| Activity Series | a list of elements organized according to the reactivities of the elements to each other for a particular reaction or reactions. |
| nonmetal oxide, water | some acids decompose into ____ ___ and ____ |
| Catalyst | something that speeds up a reaction or allos it to happen at a lower tmperature. |
| Catalyst | something that changes the rate of a reaction but can be recovered / unchanged. |
| Reversible Reaction | a chemical reaction in which the products re-form the original reactants. |
| s | symbol of a solid in a chemical equation. |
| g | symbol of a gas in a chemical equation. |
| l | symbol of a liquid in a chemical equation. |
| aq | symbol of an aqueous solution in a chemical equation. |
| Coefficient | small whole numbers that appear in front of a chemical formula o balance a chemical equation. |
| Word equation | where the reactants and products in a chemical reaction are represented by words. |
| Formula equation | represents the reactants and products of a chemical reaction by their symbols or formulas. |
| Synthesis reactions | when two or more substances combine to form a new compound. |
| Decomposition reactions | when a single compound undergoes a reaction that produces two or more simpler substances. |
| Chemical reaction | the process by which one or more substances are changed into one or more different substances. |
| Electrolysis | decomposition of a substance by an electric current. |
| Single-replacement reactions | a recaction where one element replaces a similar element in a compound. |
| Metal carbonate | ______ ______ decompose when heated to yeild a metal oxide and carbon dioxide. |
| metal oxide, carbon dioxide | metal carbonates decompose when heated to yeild a __ ___, and ___ ___ |
| metal oxide, water | all metal hydroxides (except Alkali metals) decompose when heated to yeild a ___ ___ and _____ |
| metal hydroxide | All ____ _____ (except Alkali metals) decompose when heated to yeild a metal oxide and water. |
| Metal Chlorate | all _____ _____ when heated decompose to yeild a metal chloride and oxygen. |
| metal chloride, oxygen | all metal chlorates when heated decompose to yeild a ____ __ and ___ |
| water, oxyacids | oxides of nonmetals react with ____ to produce____. |
| Double-replacement reactions | when ions of two componds exchange places in an aqueous solution to form two new compounds. |
| precipitate | is formed when the cations of one reactant combine with the anions of another reactant to form an insoluble compound. |
| more | metals that lose electrons easier are _____ reactive. |
| Reversible reaction | this type of reaction is indicated by two arrows in opposite directions. |
| single replacement reaction | what type of reaction is it when a more reactive metal replaces a less reactive metal in a compound |
| hydrogen, water, metal | a single replacment reaction where ______ in ______ is replaced by a _____ to yeild a metal hydroxide and hydrogen. |
| metal hydroxide, hydrogen | a single replacement reaction where hydrogen in water is replaced by a metal to yeild a _____ ______ and ________ |
| hydrogen, Acid, metal | a single replacement reaction where ______ in an _____ is replaced by a _______ to yeild a salt and hydrogen gas. This only happens with reactive metals in certain acids. |
| salt, hydrogen gas | a single replacement reaction where hydrogen in an Acid is replaced by a metal to yeild a _____ and ______ ______. This only happens with reactive metals in certain acids. |
| more, less | single-replacement reaction where a ____ reactive halogen replaces a _____ reactive halogen in a compound |
| top | halogens at the ___ of the periodic table are more reactive |
| more | halogens at the top of the periodic table are_____ reactive. |
| more | nonmetals that gain electrons easier are _____ reactive. |
