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POST-LAB QUESTIONS (Students must answer all the post-lab questions in this section) 1. For the following...
please answer all of the questions!! 1. Which substance is reduced in the following reaction (1...
please answer all of the questions!!
1. Which substance is reduced in the following reaction (1 point): 2Al(s) + 3C12(g) → 2AlCl3(s) a. Al b. Cl2 c. AICI: d. None 2. Which substance is the reducing agent in the following reaction (1 point): 8H+ (aq) + MnO4 (aq) + 5Fe2+ (aq) → 5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1) a. Fe2+ b. Mn04 c. H+ d. H20 3. Which substance is oxidized in the following reaction (1 point): Fes(s) +...
For the following, assign oxidation numbers. Which species is oxidized and which is reduced? Which species...
For the following, assign oxidation numbers. Which species is oxidized and which is reduced? Which species is the oxidizing agent and which is the reducing agent? (A) Zn(s) + CuCl2(aq) Cu(s) + ZnCl2 (B) MnO2 (s) + 4H+(aq) + 2Cl-(aq) Mn2+(aq) + 2H2O(l) + Cl2(g) (C)Zn(s) + 2HCl(aq)ZnCl2(aq) + H2(g)
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)+...
1 . When the following molecular equation is balanced using the smallest possible integer coefficients, the...
1 . When the following molecular equation is balanced using the smallest possible integer coefficients, the values of these coefficients are: Mg3N2 (s) + H20 (1) — Mg(OH)2 (aq) + NH3 (aq) Mn2+ + 5NO3+ + 2H - 5NO2 + MnO4 + H20 For the above redox reaction, assign oxidation numbers and use them to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. name of the element oxidized: name of the element reduced: formula...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions:...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions: (6) a) H3AsO3 b) d) H4P207 C202² KCIO4 N2H4 2. Which one of the following is not a oxidation-reduction reaction? (2) A) 2H2(g) + O2(g) → 2H2O(1) B) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) C) H2O(l) + NH3(g) → NH(aq) + OH(aq) D) FeSO4(aq) + K2Cr2OH(aq) + 7H2SO4(aq) → Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(1) E) Cl2(g) +2KBr(aq) + Bra(l) + 2KCl(aq)...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
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...
1. (4p) In an acidic aqueous solution, Fe2+ ions are oxidized to Fe3+ ions by MnO4": 5Fe2+(aq) + MnO4 (aq) + 8H(aq) → 5...
1. (4p) In an acidic aqueous solution, Fe2+ ions are oxidized to Fe3+ ions by MnO4": 5Fe2+(aq) + MnO4 (aq) + 8H(aq) → 5Fe3+ (aq) + Mn2(aq) + 4H2O(1) In part A of the experiment, suppose that 1.067 g of Fe(NH4)2(SO4)2.6H2O(s) are placed in a 250 ml Erlenmeyer flask to which 20 mL of water and 8 mL of 3 M H2SO4(aq) are added. The solution was titrated to the end point by adding 26.89 mL of KMnO4(aq) from the...
The standardization of KMnO4 solution, if the magnetic stir bar was dropped into the flask, and...
The standardization of KMnO4 solution, if the magnetic stir bar was dropped into the flask, and some FAS solution splashed out, how would the calculation for the molarity of KMNO4 be affected? The calculated molarity of KMnO4 would be: Lower. Less FAS would need less MnO4-, therefore, the reduced volume would result in a smaller M. Unchanged. Lower. More FAS would need less MnO4-, therefore, the increased volume would result in a smaller M. Higher. Less FAS would need less MnO4-, therefore, the...
No handwritten answer, Only typewriting please 1. Answer the following: a) Balance the following oxidation-reaction reaction...
No handwritten answer, Only typewriting please 1. Answer the following: a) Balance the following oxidation-reaction reaction using the half reaction method. Identify each half reaction as reduction or oxidation, and identify in each overall reaction the oxidizing agent and the reducing agent. Cl-(aq) + MnO4-(aq) ⇒ Cl2(g) + MnO2(s) (acidic) Oxidizing agent = reducing agent = (b) Consult the table of reduction potentials in Chapter 19 or Appendix II of your text to determine which of the following species can...
please answer all of the questions!!
1. Which substance is reduced in the following reaction (1 point): 2Al(s) + 3C12(g) → 2AlCl3(s) a. Al b. Cl2 c. AICI: d. None 2. Which substance is the reducing agent in the following reaction (1 point): 8H+ (aq) + MnO4 (aq) + 5Fe2+ (aq) → 5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1) a. Fe2+ b. Mn04 c. H+ d. H20 3. Which substance is oxidized in the following reaction (1 point): Fes(s) +...
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)+...
1 . When the following molecular equation is balanced using the smallest possible integer coefficients, the values of these coefficients are: Mg3N2 (s) + H20 (1) — Mg(OH)2 (aq) + NH3 (aq) Mn2+ + 5NO3+ + 2H - 5NO2 + MnO4 + H20 For the above redox reaction, assign oxidation numbers and use them to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. name of the element oxidized: name of the element reduced: formula...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions: (6) a) H3AsO3 b) d) H4P207 C202² KCIO4 N2H4 2. Which one of the following is not a oxidation-reduction reaction? (2) A) 2H2(g) + O2(g) → 2H2O(1) B) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) C) H2O(l) + NH3(g) → NH(aq) + OH(aq) D) FeSO4(aq) + K2Cr2OH(aq) + 7H2SO4(aq) → Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(1) E) Cl2(g) +2KBr(aq) + Bra(l) + 2KCl(aq)...
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
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...
1. (4p) In an acidic aqueous solution, Fe2+ ions are oxidized to Fe3+ ions by MnO4": 5Fe2+(aq) + MnO4 (aq) + 8H(aq) → 5Fe3+ (aq) + Mn2(aq) + 4H2O(1) In part A of the experiment, suppose that 1.067 g of Fe(NH4)2(SO4)2.6H2O(s) are placed in a 250 ml Erlenmeyer flask to which 20 mL of water and 8 mL of 3 M H2SO4(aq) are added. The solution was titrated to the end point by adding 26.89 mL of KMnO4(aq) from the...
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