Chem200HWChap4

Chem200HWChap4 - Chapter 4 1. Write a balanced chemical...

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Chapter 4 1. Write a balanced chemical equation for the chemical reaction that occurs when solid sodium oxide is added to water at room temperature and forms sodium hydroxide (dissolved in the water). 2. Translate the following chemical equation into a sentence: PbCl 2 ( aq ) + Na 2 CrO 4 ( aq ) PbCrO 4 ( s ) + 2 NaCl ( aq ) 3. Aluminum sulfate and calcium hydroxide are used in a water-purification process. When added to water, they dissolve and react to produce two insoluble products, aluminum hydroxide and calcium sulfate. These products settle out, taking suspended solid impurities with them. Write a balanced chemical equation for the reaction. 4. Complete and balance each of the following reactions identified by type: a) Synthesis: LiO 2 b) Decomposition: Mg(ClO 3 ) 2 c) Single replacement: Na + H 2 O d) Double replacement: HNO 3 + Ca(OH) 2 e) Combustion: C 5 H 12 + O 2 5. Balance each of the following reactions, and then identify each by type: a) N 2 ( g ) + H
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Chem200HWChap4 - Chapter 4 1. Write a balanced chemical...

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