For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. 2. Balance each equation. A. Combination reactions 1. Magnesium + oxygen Mg + O₂ → 2MgO Oy 2. Sulfur + oxygen magnesium oxide sulfur dioxide B. Analysis of the Copper Content of a Penny 1. zinc + hydrochloric acid → zinc chloride + hydrogen Zn +2 HCl → ZnCl₂ + H₂ (unbalanced) (unbalanced) C. Single Replacement Reactions The subscripts on specific ions in the products are not always the same as the subscripts in the reactants. Not reaction I below. See how the nitrate ion has a subscript of one in silver nitrate and two in copper nitrate. 1. copper + silver nitrate → copper(II) nitrate + silver Cu + AgNO, → Cu(NO3)₂ + Ag 3. calcium + water → calcium hydroxide + hydrogen (unbalanced) 2. magnesium + hydrochloric acid → magnesium chloride + hydrogen D. Decomposition Reactions 1. copper(II) sulfate pentahydrate →→ copper(II) sulfate + water 2. ammonium carbonate → ammonia + water + carbon dioxide
For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. 2. Balance each equation. A. Combination reactions 1. Magnesium + oxygen Mg + O₂ → 2MgO Oy 2. Sulfur + oxygen magnesium oxide sulfur dioxide B. Analysis of the Copper Content of a Penny 1. zinc + hydrochloric acid → zinc chloride + hydrogen Zn +2 HCl → ZnCl₂ + H₂ (unbalanced) (unbalanced) C. Single Replacement Reactions The subscripts on specific ions in the products are not always the same as the subscripts in the reactants. Not reaction I below. See how the nitrate ion has a subscript of one in silver nitrate and two in copper nitrate. 1. copper + silver nitrate → copper(II) nitrate + silver Cu + AgNO, → Cu(NO3)₂ + Ag 3. calcium + water → calcium hydroxide + hydrogen (unbalanced) 2. magnesium + hydrochloric acid → magnesium chloride + hydrogen D. Decomposition Reactions 1. copper(II) sulfate pentahydrate →→ copper(II) sulfate + water 2. ammonium carbonate → ammonia + water + carbon dioxide
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter4: Stoichiometry Of Chemical Reactions
Section: Chapter Questions
Problem 9E: Aqueous hydrogen fluoride (hydrofluoric acid) is used to etch glass and to analyze minerals for...
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