4+ - E = 2X15V pont- No c. Mn*? + Br2m + 2 H2O oxid Ded ------ → MnO2 + 4H+ + 2 Br01917 +1.18 ttlobs reduced 2.245V...
118 HNO: Mn + H2O + NO MnO2 + H + Oxidation Half Reaction: Reduction Half Reaction: Oxidizing agent: Reducing agent 4. PbO2 + Mn?' + SO42- + H P bSO4 + MnO4 + H2O Oxidation Half Reaction: Reduction Half Reaction: Oxidizing agent: Reducing agent 5._HNO: + Cr2O72- + H → Cr + NO + H2O Oxidation Half Reaction: Reduction Half Reaction: Oxidizing agent: Reducing agent 6. Mn?+ CIO, MnO2 + CIO Oxidation Half Reaction: Reduction Half Reaction: Oxidizing agent:...
When the reaction Mn 2+(aq) + MnO4 - (aq) <=> MnO2(s) is balanced in acidic solution, what is the coefficient of H2O?
Balance the following redox reactions: Fe^2+ + MnO4^- + H^+ → Fe^3+ + Mn^2+ + H2O Mn^2+ + MnO4^- + …→ MnO2 + … IO3^- + I^- + H^+ → I2 + H2O
Consider the chemical reaction below, KMnO4 + Na2SO3 + H2O → MnO2 + Na2SO4 + KOH Determine if each of the following statement is True or False. 1. The oxidation state of Mn in MnO2 is +2. 2. The oxidation state of S in Na2SO3 is the same as that in Na2SO4. 3. MnO4− gains electrons to form MnO23. 4. Na2SO3 is the oxidizing agent.
For each of the transition metal ions : (a) [Fe(H2O)4 ]3+ (b) [Mn(H2O)4 Cl2 ]+ (c) [Re(H2O)4 Cl2 ]+ (d) [Co(NH3)2 (en)2]2+ (i) Draw the structure of each transition metal complex. (ii) Determine the number of d electrons (iii) Draw the arrangement of d electrons in the ground state (iv) Calculate the LFSE (in units of deltao or deltaT ) for each complex
Piece #1 (1/2 pt) Consider the following reaction (unbalanced): MnO2 (s) + H3AsO3(aq) -Mn²+ (aq) + H2AsO(aq) Split the reaction into two half-reactions. Oxidation half reaction: H:AsO3(aq) → H3 AsO, (aq) Reduction half reaction: MnO2 (s) Mn (aq) Piece #2 (1/2 pt) Consider the following half-reaction: MnOz(s) - Mn2+ (aq) Balance everything but oxygen and hydrogen atoms. MnO2 (s) + 2e Mn (aq) Piece W3 (1/2 pu) Take your answer to Piece #2 and balance the oxygen by adding a...
calculuate valence electrons for each complex
(a) [Mn(H20)]3+ (d) [Fe(H20).]3+ (b) [Cr(H2O)6]2+ (e) [Co(NH3)4] * (h) [Pd(NH3).]4+ (c) [V(H2O).]2+ (1) [Ni(H2O)]2+ (1) [Re(CN).]3- (g) MoF6
For each of the following redox reactions, determine which element is being reduced and which is being oxidized. (help it should be a one element answer!!) (a) MnO2(aq) + K2C2O4(aq) + 2 H2SO4(aq) → MnSO4(aq) + K2SO4(aq) + 2 CO2(g) + 2 H2O(l) element being reduced : Mn Correct: Your answer is correct. element being oxidized: ?? (c) 2 CrO3(aq) + 3 CH3CH2OH(aq) → Cr2O3(aq) + 3 CH3CHO(aq) + 3 H2O(l) element being reduced ?? element being oxidized ??
Need help answeringg questions; 14 and 15. Thanks
14. Consider the reaction MnO2 (s) + 2Cl(aq) + 4H+(aq) - Mn+2 (aq) + CI, (g) + 2 H2O( How many grams of manganese dioxide are required to produce 1.2 L of chlorine gas at 1.0 atm and 200 deg C? 15. A 200 mL sample of oxygen is collected over water at 27 deg C and 748 mmHg. The vapor pressure of water at 27 deg C is 28 mmHg. What...
Please help! A voltaic cell consists of a Mn/Mn2+ anode (E°= -1.18 V) and a Fe/Fe2+ cathode (E°= -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C. A)0.040 M B)1.8 M C) 0.24 M D) None of these choices is correct. E) 1.1 M There are other questions on Chegg with this exact question but they each use a value of 0.0591 above n in the nernst equation. Where is this value coming...