9) Determine if each of the reactions below is a redox reaction. If they are redox reactions, identify the substances being oxidized and reduced. a. 2Mg(s) + O2(g) → 2MgO(s) b. 2AGNO3(aq) + Cu(s) → Cu(NO3)2(aq) + 2Ag(s) c. CaO(s) + CO2(g) → CaCO3(s)

9) Determine if each of the reactions below is a redox reaction. If they are redox reactions, identify the substances being oxidized and reduced. a. 2Mg(s) + O2(g) → 2MgO(s) b. 2AGNO3(aq) + Cu(s) → Cu(NO3)2(aq) + 2Ag(s) c. CaO(s) + CO2(g) → CaCO3(s)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

1. Reaction 1: 4Ag(s) + 2H2S(g) + O2(g) + 2Ag2S(s) + 2H₂O(g) a. Assign oxidation states to all elements in both reactants and products in Rxn 1. b. Which species is being oxidized? Which species is being reduced? c. Which species is the oxidizing agent? Which species is the reducing agent?
The chemical equation below, FeCl3(aq) + 3NaOH(aq) → Fe(OH)3(s) + 3 NaCl(aq) is an example of what type of reaction? A.) acid-base B.) combustion C.) oxidation-reduction D.) precipitation
Determine which two of the following reactions are redox reactions. If the reaction is a redox reaction, indicate which element is being oxidized. Briefly explain your answers. Mg + Cl2 ⟶ MgCl2 MgO + 2HCl ⟶ MgCl2 + H2O 2CuCl2 + 4KBr ⟶ 2CuBr + 4KCl + Br2
6. Sodium sulfide reacts with hydrochloric acid to produce hydrogen sulfide and sodium chloride. How many grams of sodium sulfide are required for complete reaction with 15.0 mL of 0.250 M hydrochloric acid? The molar mass of sodium sulfide is 78.046 g/mol. (Hint: start by writing the balanced equation for the reaction.)
Please don't provide handwriting solution
a. In which of the following reactions does the oxidation number of carbon show the greatest increase?A. CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)B. C(s) + O2(g) → CO2(g)C. 2CO(g) + O2(g) → 2CO2(g)D. CO2(g) + Ca(OH)2(aq) → CaCO3(s) + H2O(l) b. In which of the following changes is chlorine reduced?A. HCl to Cl2OB. HCl to HClO3C. Cl− to Cl2D. Cl2 to HCl
Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. S₂ (s) + 4Pb (s) 4PbS₂ (s) 70₂(g) + 2CH₂CH₂(g) → 4CO₂(g) + 611₂0 (g) 3 HSO (aq) + OH¯(aq) → SO² (aq) + H₂0 (1) redox reaction? yes reducing agent: oxidizing 0 agent: redox reaction? yes reducing agent: oxidizing agent: 0 redox reaction? yes reducing agent: oxidizing □ agent: no no no X Ś
Specify which of the following are oxidation-reduction reactions, and if it is, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. If it is not, select No and leave the following boxes blank. Express your answers as chemical formulas. Omit states-of-matter. a. CH4 (9) + H2 O(g) → CO(9) + 3H2 (9) Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced Yes v b. 2AGNO3 (ag) + Zn(s) → Zn(NO3)2 (aq) + 2Ag(s) Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced No v
EQUATION CLASSIFICATIONS: combustion, synthesis, decomposition, single-displacement, double-displacement Mass in Chemical Reactions Types of Chemical Reactions: REDOX Analysis Assign Oxidation States To All Elements: 00 MgO (s) Mg(s) + O₂(g) Cuo + H₂ (g) 0.0 Cu (s) + H₂O (1) 00 00 Fe₂O3 (s) + 3 CO (g) → 3 CO₂ (g) + 2 Fe (s) 000 AgNO3(aq) + Li (s) ➜ LINO3(aq) + Ag (s) Classify The Equation Identify The OXIDIZED Element HALF REACTION: HALF REACTION: HALF REACTION: HALF REACTION: Identify The REDUCED Element HALF REACTION: HALF REACTION: HALF REACTION: HALF REACTION: half-reactions oxidation and reduction reactions that, taken together, account for all electron movement Oxidation Reduction C Overall Identify The OXIDIZING Agent Pb Pb +20 Cu Identify The REDUCING Agent
Specify which of the following are oxidation-reduction reactions, and if it is, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. If it is not, select No and leave the following boxes blank. Express your answers as chemical formulas. Omit states-of-matter. a. CO(g) + H₂O(g) → CO₂ (g) + H₂ (9) Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced b. 3AgNO3(aq) + Sc(s) → Sc(NO3)3(aq) + 3Ag(s) Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced Submit Answer Try Another Version 1 item attempt remaining
According to the following (balanced) reaction, what volume of 0.244 mol/L KCI solution is required to react exactly with 50.0 mL of 0.210 mol/L Pb(NO3)2 solution? 2 KCI (aq) + Pb(NO3)2 (aq) → PbCl 2 (s) + 2 KNO3 (aq) A. 43.0 mL B. 116 mL c. 58.1 mL D. 86.1 mL E. 97.4 mL
2. Specify which of the following are oxidation-reduction reactions and identify the substance being oxidized and the substance being reduced, when appropriate. a. Cu (s) + 2 Ag (aq) + 2 Ag (s) + Cu²+ (aq) b. HCl (g) + NH, (g) → NH,Cl (s) c. SiCl, (l) + 2 H₂O (1)→ 4 HCl (aq) + SiO₂ (s) d. SiCl, (l) +2 Mg (s) 2 MgCl, (s) + Si (s) e. Al(OH), (aq) → AlO, (aq) + 2 H₂O (1) f. CH, (g) +H,O (g) + CO (g) + 3H, (g) g. Zn (s) + 2 HCl (aq) → ZnCl, (aq) + H₂(g) h. 2H* (aq) + 2 CrO, (aq) + Cr₂O," + H₂O (1)