University:
Campbell University
Course:
CHEM 111 | General Chemistry I
Academic year:

2020
Views:

148

Pages:

2
Author:

Dixie Summers

KEY More Reactions Name - ______________ 1.) Translate the following word equations into chemical symbols and balance the resulting equations. Do not include the phases. a.) potassium and water yield potassium hydroxide and hydrogen gas. 2 K + 2 H 2O 2 KOH + H2 b.) strontium and water makes strontium hydroxide and hydrogen gas. Sr + 2 H2O Sr(OH)2 + H2 c.) aluminum metal and chlorine gas are mixed to make aluminum chloride. 2 Al + 3 Cl2 2 AlCl3 d.) copper (I) oxide and carbon are reacted to form copper metal and carbon dioxide gas. 2 Cu2O + C 4 Cu + CO2 e.) ammonia and sulphuric acid combine to form ammonium sulphate. 2 NH3 + H2SO4 (NH4)2SO4 2.) In each of the following reactions write a balanced chemical equation, including the phases. a.) Liquid phosphoric acid reacts with aqueous barium hydroxide to give water and a precipitate of barium phosphate. 2 H3PO4 (l) + 3 Ba(OH)2 (aq) Ba3(PO4)2 (s) + 6 H2O (l) 1 KEY b.) Solid aluminum oxide and aqueous sulphuric acid produce water and aqueous aluminum sulphate. Al2O3 + 3 H2SO4 (s) (aq) Al2(SO4)3 (aq) + 3 H2O (l) c.) Nitrogen trifluoride gas and hydrogen gas react to form nitrogen gas and gaseous hydrogen fluoride. 2 NF3 + 3 H2 (g) (g) N2 (g) + 6 HF (g) d.) Powdered sodium carbonate and aqueous hydrobromic acid react to form carbon dioxide gas, aqueous sodium bromide and water. Na2CO3 (s) + 2 HBr (aq) 2 NaBr (aq) + CO2 (g) + H2O (l) e.) sodium nitrate crystals and solid sodium metal react to form solid sodium oxide and nitrogen gas. 2 NaNO3 (s) + 10 Na (s) 6 Na2O (s) + N2 (g) f.) Gaseous boron trichloride reacts with steam to yield solid boron trihydroxide and hydrogen chloride gas. BCl3 (g) + 3 H2O (g) B(OH)3 (s) + 3 HCl (g) g.) Gaseous xenon hexafluoride reacts violently with water to form solid xenon trioxide and gaseous hydrogen fluoride. XeF6 (g) + 3 H2O (l) XeO3 (s) + 6 HF (g) 2