Chapter 6: Chemical Reactions.  Identify and write equations for acid– base reactions.

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Presentation transcript:

Chapter 6: Chemical Reactions

 Identify and write equations for acid– base reactions.

 Acid–base reactions are reactions that form water upon mixing of an acid and a base.

 No evidence of a chemical reaction is observable.  The reactants and other products are soluble in water.

 Arrhenius acids: substances that produces H + ions when dissolved in water.

 Arrhenius bases: substances that produces OH - ions when dissolved in water.

 Acid–base reactions (also called neutralization reactions) generally form water and an ionic compound, called a salt, that usually remains dissolved in the solution.

 HBr (aq) + NaOH (aq) → H 2 O (l) + NaBr (aq)  Without spectator ions: H + (aq) + OH – (aq) → H 2 O(l)

 The net ionic equation for many acid– base reactions is as follows:  H + (aq) + OH − (aq) → H 2 O(l)

 Write chemical, complete ionic, and net ionic equations for each of the following reactions that produce water.  Mixing sulfuric acid and aqueous potassium hydroxide produces water and aqueous potassium sulfate.

 When benzoic acid (HC 7 H 5 O 2 ) and magnesium hydroxide are mixed, water and magnesium benzoate are produced.

 Aqueous nitric acid reacts with aqueous potassium hydroxide.