Homework Answers
Experiment No: 1:
MnO4^- : Oxidising Agent
Fe^2+ : Reducing Agent
MnO4^- + 8H^+ 5e^- ----------> Mn^2+ + 4H2O ......(1)
5Fe^2+ --------> 5Fe^3+ + 5e^-.........(2)
Adding equation (1) and (2), the balanced net ionic equation is:
MnO4^- + 8H^+ + 5 Fe^2+ ----------> Mn^2+ + 5Fe^3+ 4H2O
Experiment No: 2:
MnO4- : Oxidising Agent
Fe^2+ : Reducing Agent
MnO4^- + 4H^+ + 3e^- -----------> MnO2 + 2H2O......(3)
3Fe^2+ --------> 3Fe^3+ + 3e^-.................(4)
Adding equation (3) and (4) the balanced net ionic equation is:
MnO4^- + 3Fe^2+ + 4H^+ -------> MnO2 + 3Fe^3+ + 2H2O
Experiment No:3
MnO4^- : Oxidising Agent
C2O4^2- : Reducing Agent
MnO4^- + 8H^+ 5e^- ----------> Mn^2+ + 4H2O........(3)
C2O4^2- -------> 2CO2 + 2e^-...........(4)
Multiply equation (3) by 2 and equation (4) by 5 and adding them together, the balanced net Ionic equation is:
2MnO4^- + 5C2O4^2- + 16H^+ -------> 2Mn^2+ + 10CO2 + 8H2O
Add Answer to:
Redox Reactions dox Reactions in Acidic and Basic Solutie Part A: Other Redox Reac A It...
Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl:...
Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl: (g)2NaBr (aq) a) Oxidation half-reaction: Reduction half-reaction: CrCls (aq)+ Au (s) AuCl3(aq) Cr (s) - b) Oxidation half-reaction: Reduction half-reaction: Identify the oxidizing agent and the reducing agent in these complete redox reactions: 5. 5SO2-2Mn2+ 5so +3H2O a) 2MnO, +6H A) MnO B) So2 C) Mn2 D) SO E) H Oxidizing agent: b) 5Fe2 (aq) + MnO4 (ag) +8H'(aq)-5Fe (ag)+...
mity Laboratory Manual, 2017 Revision Redox Reactions Pre-Lab Date: Name: 1) What distinguishes a redox reaction...
mity Laboratory Manual, 2017 Revision Redox Reactions Pre-Lab Date: Name: 1) What distinguishes a redox reaction from a chem replacement? guishes a redox reaction from a chemical reaction such as a double 2) Consider the following unbalanced net ionic redox equation. vo* + S0,- → v3+ + SO42- (a) Name the oxidizing agent in this reaction. (b) Name the ion that is oxidized in this reaction. (c) Balance this net ionic redox equation in acidic solution.
5. Consider the following redox molecular reaction: Na(s) + H2O(l) ? NaOH(aq) + H2(g) If water...
5. Consider the following redox molecular reaction: Na(s) + H2O(l) ? NaOH(aq) + H2(g) If water is written as HOH(), then the equation is Na(s) + HOH(l) ? NaOH(aq) + H2(g) Write the following reactions: Oxidation reaction: Reduction reaction: Balanced net ionic reaction: Reducing agent: Oxidizing agent:
Instructions for Part B: Use the activity series at the right to determine which reactions will...
Instructions for Part B: Use the activity series at the right to determine which reactions will occur. For those reactions that will occur, identify the oxidizing and reducing agents, and write a balanced molecular equation and net ionic equation. Magnesium ribbon is combined with aqueous copper (II) chloride. Ox agent: Red agent: Balanced molecular equation: Strength as reducing agent Li к Ba Can displace H2 from water Са Na Mg AI Mn Zn Can displace H2 from steam Cr Fe...
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Name: Lab Section: 1 2 3 4 5 6 7 8 Report: Redox Reactions 1. Consider...
Name: Lab Section: 1 2 3 4 5 6 7 8 Report: Redox Reactions 1. Consider the following balanced redox reaction: 2 Li (8) + CuCl(aq) + Cu (8) + 2 LCI (a) a. Write the oxidation number for each element in the spaces below each species. b. Which element is... Oxidized Reduced C. Which reagent is the... Oxidizing agent? Reducing agenti d. Each Li atom (gains / loses) electron(s) and each Custom (gains / loses) e. In the overall...
Please answer question B parts 1-7 RELAB 4 Reactions in Aqueous Solutions Worksheet A A. Write...
Please answer question B parts 1-7
RELAB 4 Reactions in Aqueous Solutions Worksheet A A. Write a balanced net i reaction between dilute (less than 0.1 M) aqueous solutions of onic equation using smallest whole number coefficients for the 1. 2, 3. 4. 5. calcium hydroxide and aluminum chloride. chromium(III) sulfate and barium hydroxide ammonia and hydrobromic acid perchloric acid and sodium hydroxide hydrocyanic acid (HCN) and lithium hydroxide. B. Consider the following unbalanced equation: WO3 (s) + Sn2+ (aq)...
Here are the final reactions that the question is asking about. Please show every step! Thanks! Laboratory 13 Quali...
Here are the final reactions that the question is asking
about. Please show every step! Thanks!
Laboratory 13 Quality Control: Verifying the Concentration of Hypochlorite (CIO) in Bleach Introduction Titration is a common analytical technique that is used to verify the concentrations of chemicals before they are sold as commercial products, in a process known as quality control. In this lab, you will be using a redox titration to find the concentration of the strong oxidizing agent hypochlorite (CIO) which...
7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for...
7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for the following reaction two different ways. First with the AHºnx and AS°n to get AGºnn and then with AGº's to get AGºra. Compare your results. CS2(g) + 2H2O + 2O2(g) – CH4(g) + 2SO4(g) AH° (kJ/mol) 117 -286 0 -396 Sº (J/mol-K) 238 70. 205 186 257 AGⓇ (kJ/mol) 67 -237 0 -51 -371 -75 For each of the following redox reactions, a) Write...
Equation for Part A above 1. Write net-ionic equations for the following precipitation reactions: a) The...
Equation for Part A above
1. Write net-ionic equations for the following precipitation reactions: a) The reaction between barium nitrate and sulfuric acid. b) The reaction between calcium nitrate and sodium oxalate. 2. Elements A, B, and C exist as the diatomic molecules A2, B2, and C2. All act as oxidizing agents, i.e., they take electrons from other species. In aqueous solution, A2 is green, B2 is yellow, and C2 is red. When they have gained electrons from other species,...
Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl: (g)2NaBr (aq) a) Oxidation half-reaction: Reduction half-reaction: CrCls (aq)+ Au (s) AuCl3(aq) Cr (s) - b) Oxidation half-reaction: Reduction half-reaction: Identify the oxidizing agent and the reducing agent in these complete redox reactions: 5. 5SO2-2Mn2+ 5so +3H2O a) 2MnO, +6H A) MnO B) So2 C) Mn2 D) SO E) H Oxidizing agent: b) 5Fe2 (aq) + MnO4 (ag) +8H'(aq)-5Fe (ag)+...
mity Laboratory Manual, 2017 Revision Redox Reactions Pre-Lab Date: Name: 1) What distinguishes a redox reaction from a chem replacement? guishes a redox reaction from a chemical reaction such as a double 2) Consider the following unbalanced net ionic redox equation. vo* + S0,- → v3+ + SO42- (a) Name the oxidizing agent in this reaction. (b) Name the ion that is oxidized in this reaction. (c) Balance this net ionic redox equation in acidic solution.
5. Consider the following redox molecular reaction: Na(s) + H2O(l) ? NaOH(aq) + H2(g) If water is written as HOH(), then the equation is Na(s) + HOH(l) ? NaOH(aq) + H2(g) Write the following reactions: Oxidation reaction: Reduction reaction: Balanced net ionic reaction: Reducing agent: Oxidizing agent:
Instructions for Part B: Use the activity series at the right to determine which reactions will occur. For those reactions that will occur, identify the oxidizing and reducing agents, and write a balanced molecular equation and net ionic equation. Magnesium ribbon is combined with aqueous copper (II) chloride. Ox agent: Red agent: Balanced molecular equation: Strength as reducing agent Li к Ba Can displace H2 from water Са Na Mg AI Mn Zn Can displace H2 from steam Cr Fe...
EXPERIMENT 7 OXIDATION-REDUCTION TITRATIONS Name HOMEWORK EXERCISES Use the net ionic equations in problems I and 2 for problems 3-5 1. a. Write the balanced equations for the half reactions (ionic) and the overall net ionic equation for the titration of Mohr's salt with KMnO4. lonic MnO,: lonic Fe Net ionic: b. What is the standardized molarity of a KMnO4 solution if 36.31 mL are required to titrate 2.5010 g of Mohr's salt? 2. a. Write the balanced equations for...
Name: Lab Section: 1 2 3 4 5 6 7 8 Report: Redox Reactions 1. Consider the following balanced redox reaction: 2 Li (8) + CuCl(aq) + Cu (8) + 2 LCI (a) a. Write the oxidation number for each element in the spaces below each species. b. Which element is... Oxidized Reduced C. Which reagent is the... Oxidizing agent? Reducing agenti d. Each Li atom (gains / loses) electron(s) and each Custom (gains / loses) e. In the overall...
Please answer question B parts 1-7
RELAB 4 Reactions in Aqueous Solutions Worksheet A A. Write a balanced net i reaction between dilute (less than 0.1 M) aqueous solutions of onic equation using smallest whole number coefficients for the 1. 2, 3. 4. 5. calcium hydroxide and aluminum chloride. chromium(III) sulfate and barium hydroxide ammonia and hydrobromic acid perchloric acid and sodium hydroxide hydrocyanic acid (HCN) and lithium hydroxide. B. Consider the following unbalanced equation: WO3 (s) + Sn2+ (aq)...
Here are the final reactions that the question is asking
about. Please show every step! Thanks!
Laboratory 13 Quality Control: Verifying the Concentration of Hypochlorite (CIO) in Bleach Introduction Titration is a common analytical technique that is used to verify the concentrations of chemicals before they are sold as commercial products, in a process known as quality control. In this lab, you will be using a redox titration to find the concentration of the strong oxidizing agent hypochlorite (CIO) which...
7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for the following reaction two different ways. First with the AHºnx and AS°n to get AGºnn and then with AGº's to get AGºra. Compare your results. CS2(g) + 2H2O + 2O2(g) – CH4(g) + 2SO4(g) AH° (kJ/mol) 117 -286 0 -396 Sº (J/mol-K) 238 70. 205 186 257 AGⓇ (kJ/mol) 67 -237 0 -51 -371 -75 For each of the following redox reactions, a) Write...
Equation for Part A above
1. Write net-ionic equations for the following precipitation reactions: a) The reaction between barium nitrate and sulfuric acid. b) The reaction between calcium nitrate and sodium oxalate. 2. Elements A, B, and C exist as the diatomic molecules A2, B2, and C2. All act as oxidizing agents, i.e., they take electrons from other species. In aqueous solution, A2 is green, B2 is yellow, and C2 is red. When they have gained electrons from other species,...
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