You are given the following reduction half reactions in basic solution:
2 NO2-(aq) + 3 H2O(l) + 4 e- →N2O(g) + 6 OH-(aq) E° = 0.1500 V
HgO(s) + H2O(l) + 2 e- → Hg(s) + 2 OH-(aq) E° = +0.0984 V
A. If this redox reaction occurs, how many total electrons will
have to be transferred per mole of reaction?
N2O(g) + 2 OH-(aq) + 2 HgO(s) → 2 NO2-(aq) + H2O(l) + 2 Hg(s)
B. What is the E°CELL for this redox reaction?
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You are given the following reduction half reactions in basic solution: 2 NO2-(aq) + 3 H2O(l)...
Use the following half-reactions to write 3 spontaneous
reactions, calculate E°cell for each reaction, what is
the n number (number of electrons transferred).
Au+ (aq) + e− → Au
(s) E° = 1.69
V
N2O (g) + 2H+ (aq) + 2 e− →
N2 (g) + H2O (l) E° =
1.77 V
Cr3+ (aq) + 3 e− → Cr
(s) E° = -0.74 V
Question 7 0.36 pts Use the following half-reactions to write 3 spontaneous reactions, calculate Eºcell for...
(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...
Classify the half‑reactions as reduction half‑reactions or oxidation half‑reactions. H2(g)⟶2H+(aq)+2e−H2(g)⟶2H+(aq)+2e− 12O2(g)+2H+(aq)+2e−⟶H2O(g)12O2(g)+2H+(aq)+2e−⟶H2O(g) Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e−Cd(s)+2OH−(aq)⟶Cd(OH)2(s)+2e− 2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq)2NiO(OH)(s)+2H2O(l)+2e−⟶2Ni(OH)2(s)+2OH−(aq) Fe(s)⟶Fe2+(aq)+2e−Fe(s)⟶Fe2+(aq)+2e− oxidation reduction reduction oxidation reduction
Given the following reduction half-reactions: Fe3+(aq)+e−→Fe2+(aq) E∘red=+0.77V S2O2−6(aq)+4H+(aq)+2e−→2H2SO3(aq) E∘red=+0.60V N2O(g)+2H+(aq)+2e−→N2(g)+H2O(l) E∘red=−1.77V VO+2(aq)+2H+(aq)+e−→VO2+(aq)+H2O(l) E∘red=+1.00V Part A Write balanced chemical equation for the oxidation of Fe2+(aq) by S2O2−6 (aq). Calculate the equilibrium constant K for this reaction at 298 K. Part B Write balanced chemical equation for the oxidation of Fe2+(aq) by N2O(g). Part C Write balanced chemical equation for the oxidation of Fe2+(aq) by VO+2(aq). Calculate the equilibrium constant K for this reaction at 298 K.
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Which of the following reactions is a redox reaction? (A) NH3(g) + H2O(l) NH4OH(aq) (B) 2 H2O(l) → H30* (aq) + OH- (aq) (C) Mg(OH)2(s) Mg* (aq) + 2 OH- (aq) (E) CO(g) + H2O(g) + CO2(g) + H2(g) (E) 3 HCl(aq) + Na3PO4(aq) H3PO4(aq) + 3 NaCl(aq)
Given the following reduction half-reactions: Fe3+(aq)+e−→Fe2+(aq) E∘red=+0.77V S2O2−6(aq)+4H+(aq)+2e−→2H2SO3(aq) E∘red=+0.60V N2O(g)+2H+(aq)+2e−→N2(g)+H2O(l) E∘red=−1.77V VO+2(aq)+2H+(aq)+e−→VO2+(aq)+H2O(l) E∘red=+1.00V Write balanced chemical equation for the oxidation of Fe2+(aq) by S2O2−6(aq). Calculate ΔG∘ for this reaction at 298 K. Calculate the equilibrium constant Kfor this reaction at 298 K. Write balanced chemical equation for the oxidation of Fe2+(aq) by N2O(g). Calculate ΔG∘ for this reaction at 298 K. Calculate the equilibrium constant Kfor this reaction at 298 K. Write balanced chemical equation for the oxidation of Fe2+(aq)...
Balance the following redox reactions by balancing the half reactions and then combine the half reactions to get the overall balanced redox reaction with the lowest possible whole number coefficients. 1. Consider the following unbalanced redox reaction: MnO2(s) + BrO3−(aq) → MnO4−(aq) + Br−(aq) (a) Balance the corresponding half reactions in acidic conditions using the lowest possible whole number coefficients. (Enter coefficients for one and zero. Blanks will be marked incorrect.) MnO2(s) + H2O(l) + OH−(aq) + H+(aq) + e− → MnO4−(aq) + H2O(l) + OH−(aq) + H+(aq)...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
Write balanced half-reactions for the following redox reaction: 6I2(s)+C2H5OH(l)+12OH−(aq)→ 12I−(aq)+2CO2(g)+9H2O(l) Oxidation: reduction: