When the following reaction is balanced under basic conditions, what is the ratio of the coefficients...
use the example to answer 8,9,10&11 Here's an example: Balance the following redox reaction, which occurs in acidic solution: Fe (aq)+ MnO4'(aq) -Fe (aq) + Mn (aq) Solution: +2 +7 +3 Step 1) +2 Fe2 (aq)+ MnOa (aq) Fe(aq) + Mn2 (aq) Fe (aq) MnO4 (aq) Mn2 (aq) 1 Fe on each side; 1 Mn on each side; no adjustment necessary Fe2 (aq) Fe 3'(aq) + e 5 e + MnO4(aq) Fe (aq) Fe (aq) + e (2+ on each...
Question 3 Write the balanced half-reaction for the reduction of permanganate ion to Mn- in an acidic solution MnO4 (aq) +SH+ (aq) + 5e Mn2-(aq) + 4H2O(1) MnO, (aq) + 4H+ (aq) - 31 --Mn-(ag) - 40H(aq) MnO4 (aq) + 5e – Mn"(aq) + 202(g) MnO,- (aq) - 8H+ (aq) — Mn2+(ag) - 4H2O() Mno"(aq) + 4H+ (aq) - 5e – Mn?-(aq) - 40H(aq)
What is the expected standard cell potential for the following unbalanced reaction under basic conditions? MnO4-(aq) + Fe+2(aq) ⟶ Fe+3 (aq) + MnO2(s) Given: Fe3+ + e− ⟶ Fe2+ E1/2= 0.771 MnO4−+ 2 H2O + 3e− ⟶ MnO2 + 4OH− E1/2 = 0.558 A. -0.213 V B. +0.213 V C. -1.329 V D. +1.329 V E. None of the above
When the reaction Mn 2+(aq) + MnO4 - (aq) <=> MnO2(s) is balanced in acidic solution, what is the coefficient of H2O?
We consider two half cells: Half cell A comprises a platinum electrode immersed in an aqueous solution containing Mn2+ (10 mM) and MnO4- (4 mM) ions at pH=4. Half cell B is constructed with a silver electrode immersed in an aqueous potassium chromate solution (8 mM) in the presence of solid Ag2CrO4. The pH of this half cell B is pH=9. Both half cells are connected with a salt bridge. The voltage of the cell is measured at 25°C: it...
For all of the following experiments, under standard conditions, which species could be spontaneously produced? A lead wire is placed in a solution containing Cu2+ yes no Cu yes no PbO2 yes no No reaction Crystals of I2 are added to a solution of NaCl. yes no I- yes no No reaction yes no Cl2 A silver wire is placed in a solution containing Cu2+ no yes Cu no yes No reaction no yes Ag+ Half-Reaction 8° (V) Half-Reaction 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60...
In addition to mass balance, oxidation-reduction reactions must be balanced such that the number of electrons lost in the oxidation equals the number of electrons gained in the reduction. This balancing can be done by two methods: the half-reaction method or the oxidation number method. The half-reaction method balances the electrons lost in the oxidation half-reaction with the electrons gained in the reduction half-reaction. In either method H2O(l), OH−(aq), and H+(aq) may be added to complete the mass balance. Which...
What is the equilibrium constant K at 25°C for an electrochemical cell when E° = +0.0140 V and n = 2? (F = 96,500 J/(V•mol), R = 8.314 J/ (mol·K)) 0.3353 1 2 3 x 4 5 6 с 7 00 9 O +/- x 100 Complete and balance the following redox reaction in basic solution MnO4 (aq) + C2042-(aq) → MnO2 (s) + CO2(g) 3C22 Reset < > х 1 2 3 4 5 6 7 8 9 0...
Calculate Ecell (the reduction potential for the balanced chemical equation under nonstandard conditions) for the electrochemical cell shown below: Pt | Fe2+ (4.25x10-3 M), Fe3+ (1.50x10-3 M) || MnO4 - (6.50x10-3 M), Mn2+ (2.00x10-2 M), H+ (0.100 M) | Pt. Use the following standard reduction potentials for each half reaction. The Eo for Fe3+/Fe2+ = 0.77 V and Eo for MnO4 - /Mn2+ = 1.51 V.
(10 pts) Balance the following redox reactions by first separating the oxidation and reduction half-reactions. a. Cut (aq) + Fe (s) Fe3+ (aq) + Cu(s) b. Cu(s) + HNO3 (aq) Cu2+ (aq) + NO (g) (basic solution) c. NH(aq) + O2(g) → N03 (aq) + H2O(l) (acidic solution) d. Cd(s) + NiO(OH)(s) + Ca(OH)2(s) + Ni(OH)2(s) (Nicad battery) e. The oxidation of iodide ion (1) by permanganate ion (MnO4) in basic solution to yield molecular iodine (12) and manganese(IV) oxide...