Classifying Chemical Reactions

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12 Terms

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synthesis reactions

two or more reactants combine to form one new product. Chemists often use the following generic equation to represent a synthesis reaction:

A + B → AB

<p>two or more reactants combine to form one new product. Chemists often use the following generic equation to represent a synthesis reaction:<br><br>A + B → AB</p>
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decomposition reactions

one reactant breaks down to form two or more products. The general form for a decomposition reaction is shown below.

AB → A + B

<p>one reactant breaks down to form two or more products. The general form for a decomposition reaction is shown below.<br><br>AB → A + B</p>
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single replacement reactions

one element replaces another element in a compound to form a new substance. Single-replacement reactions have the same number of reactants as products. Replacement reactions are also called displacement reactions. The general form for a single-replacement reaction is shown below.

A + BC → AC + B

<p>one element replaces another element in a compound to form a new substance. Single-replacement reactions have the same number of reactants as products. Replacement reactions are also called displacement reactions. The general form for a single-replacement reaction is shown below.<br><br>A + BC → AC + B</p>
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double replacement reactions

he ions of two different compounds in an aqueous solution exchange places to form two new compounds. One of the products formed is typically a solid (or precipitate), a gas (bubbles), or water. The other product usually remains dissolved in the solution. The general form for a double-replacement reaction is shown below.

AC + BD → AD + BC

<p>he ions of two different compounds in an aqueous solution exchange places to form two new compounds. One of the products formed is typically a solid (or precipitate), a gas (bubbles), or water. The other product usually remains dissolved in the solution. The general form for a double-replacement reaction is shown below.<br><br>AC + BD → AD + BC</p>
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acid-base reactions (neutralization reaction)

an acid and a base react to form salt and water. An acid-base reaction is also called a neutralization reaction

<p>an acid and a base react to form salt and water. An acid-base reaction is also called a neutralization reaction</p>
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exothermic

release energy

<p>release energy</p>
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Endothermic

Energy needed to break chemical bonds

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Products

The end result of a chemical reaction

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Reactants

The beginning ingredients of a chemical reaction

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Ca(OH)₂ + H₃PO₄ →

Ca₃(PO₄)₂ + H₂O

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HCl + Mg(OH)₂ →

MgCl₂ + H₂O

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HCl + NaOH →

NaCl + H₂O