ReactionTypes - Reaction Types An AP Chemistry In-Class...

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Reaction Types An AP Chemistry In-Class Activity Background Information A chemical equation tells you exactly what happens when the reaction takes place. An equation is like a sentence in a story, it tells you who the actors are (the reactants) and it tells you what they do (the products formed). In a story, if you can recognize the different roles that the characters play, hero, villain, etc., the story becomes more interesting. There are four main roles that the chemical characters in chemical reactions can play are: Synthesis, Decomposition, Single Replacement, and Double Replacement . How do you use these reaction types ? You will use them to help you to predict the results of the possible reaction between the reactants you are using. Here is the process that you should follow: 1) Identify which of the four reaction types the reaction is about to follow. 2) Predict the new partners for each ion by using the correct reaction type as your guide. (You may have to write out the names of the new partners in some situations). 3) Write the correct formula for each new compound by using the oxidation numbers of each ion. 4) Balance the equation by counting the number of each kind of atom on both sides of the equation. Now let’s look at each of the
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This note was uploaded on 10/10/2008 for the course CHEM 101 taught by Professor Brian during the Spring '08 term at Zhejiang University.

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ReactionTypes - Reaction Types An AP Chemistry In-Class...

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