predictingproducts

predictingproducts - Cut to the Chase: Predicting Products...

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Cut to the Chase: Predicting Products of Chemical Reactions When trying to predict the products of a chemical reaction, remember that many of them will be first year equations and will fit into the neat categories: displacement, double displacement, synthesis, decomposition, and combustion. The key to success is realizing when the reaction is not one of the simple ones. Below is a checklist you should use to determine if the reaction is not a simple first year reaction: 1. Oxide + water - Metal oxides make bases and nonmetal oxides make acids CaO + H 2 O Ca 2+ + OH - ( most students try to make two products) SO 2 + H 2 O H 2 SO 3 ( To determine whether it makes sulfurous or sulfuric, check the oxidation number of S. It is 4+ in both SO 2 and H 2 SO 3 . These are usually not redox.) 2. Carbonate ( or hydrogen carbonate) + acid This can be treated like a double displacement, but H 2 CO 3 should be decomposed to CO 2 and H 2 O. CaCO
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predictingproducts - Cut to the Chase: Predicting Products...

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