How to balance questions 5 and 6? This is a redox question. Please give full steps and explanations

The answers are: I just don't know how they got there.
5: 2HO2-(aq) + Cr(OH)3-(aq) -----> CrO42-(aq) + OH-(aq) + 2H2O(l)
6: 2Ag2S(s) + 8CN-(aq) + O2(aq) + 4H+(aq) ---------> 2S(s) + 4(Ag(CN)2)-(aq) + 2H2O(l)

How to balance questions 5 and 6? This is a redox question. Please give full steps...
Balance the following Redox Equations in Basic Mediums. Redox Reactions in Basic Solution 1. Al(s) + MnO4¯ (aq) ¾® MnO2(s) + Al(OH)4¯ (aq) 2. NO2¯ (aq) + Al(s) ¾® NH3(aq) + AlO2¯ (aq) 3. Cr(s) + CrO42-(aq) ¾® Cr(OH)3(s) Note: Cr(OH)3 is found in BOTH half reactions! 4. Cl2(aq) + Br2(l) ¾® OBr¯ (aq) + Cl¯ (aq) 5. S8(aq) + MnO4¯ (aq) ¾® SO42-(aq) + MnO2(s)
Balance the following redox reaction occurring in basic
solution.
Ag(s) + CN- (aq) + O2(g) → Ag(CN), (aq) 2 Ag(s) + 4CN (aq) +202 + H2O(l)(9) + 2 Ag(CN)2 (aq) + 2OH(aq) • 2 Ag(s) + 8 CN (aq) + 402 + 2 H20(1)(g) + 4 Ag(CN)2 (aq) +8 OH(aq) 4 Ag(s) + 2 CN (aq) + O2 + 4H2O(1)(9) + 4 Ag(CN)2 (aq) + 8 OH (aq) 4 Ag(s) + 8 CN (aq) + O2 + 2 H20(1)(9) +...
Balance the following redox equation in acid. In the blank put the correct stochiometric coefficient (0, 1, 2, etc.). (Note: 0 if the species does not appear on that side of the equatio 1-SO3-(ag)+MnO4-(ag)+H+(ag)---->SO4^2-(ag)+Mn2+(ag)+H2O(l) 2- H2O2(ag)+ClO2(ag)+HO-(ag)---> O2(g)+ClO2-(ag)+H2O(l) Q: In the electrochemical voltaic cell using the reaction, Fe3+(aq) + Cr(s) → Fe(s) + Cr3+(aq), match the correct 1/2 reaction that occurs at the anode and cathode. 1/2 reaction occuring at the anode 1/2 Reaction occuring at the cathode Choices: A Fe3+(aq) +...
Balance the redox reactions: basic: ClO-(aq)+Cr(OH)4-(aq)----> CrO42-(aq)+Cl-(aq) MnO4-(aq)+Br-(aq)--> MnO2(s)+BrO3-(aq) NO2-(aq)+Al(s)--->NH3(g)+AlO2- Aidic: ClO4-(aq)+Cr(OH)4---->ClO3-(aq)+Cl2(g)
What element is being reduced in the following (unbalanced) redox reaction, which occurs in acid? Ag(s) + CN-(aq) + O2(g) --> Ag(CN)2- (aq) + H2O(l) C O Ag N K
Balance Redox Equations (Acidic Solutions) show steps please. 1. HgS (s) + NO3^- (aq) + Cl^- (aq) = HgCl4^2- (aq) + NO (g) + S (s) 2. Fe^2+ (aq) + MnO4^- (aq) = Fe^3+ (aq) + Mn^2+ (aq) 3. BiO3^- (aq) + Mn^2+ (aq) = MnO4^- (aq) + Bi^3 (aq) 4. NiO2 (s) + Ag (s) = Ni^2+ (aq) + Ag^+ (aq) 5. IO3^- (aq) + I^- (aq) =I2 (s) 6. Zn (s) + H2SO4 (aq) = Zn^2+ (aq) +...
Please show all steps taken (prefer typed solution)
Half-Reaction
E
°
(V)
Ag+ (aq) + e− → Ag (s)
0.7996
Al3+ (aq) + 3e− → Al (s)
−1.676
Au+ (aq) + e− → Au (s)
1.692
Au3+ (aq) + 3e− → Au (s)
1.498
Ba2+ (aq) + 2e− → Ba (s)
−2.912
Br2 (l) + 2e− → 2Br− (aq)
1.066
Ca2+ (aq) + 2e− → Ca (s)
−2.868
Cl2 (g) + 2e− → 2Cl− (aq)
1.35827
Co2+ (aq) + 2e−...
Question 1 (1 point) Balance the following reaction which occurs under acidic conditions. What is the balanced reaction? Ag (s) + NO3(aq) -- Ag+ (aq) + NO (g) O Ag (s) + 4 NO3- (aq) +8H* -- Ag+ (aq) + 4 NO(g) + 4 H20 (1) 3 Ag (s) + NO3- (aq) + 4H+ (aq)- 3 Ag+ (aq) + NO (g) + 2 H20 O Ag (s) + NO3(aq) + 4H+ -- Ag+ (aq) + NO (g) + 2 H20...
3. Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): Cr0(aq) + U" (aq) → Cr" (aq) +UO; (aq) (b) (acid solution): Cr(s) + O2(g) → Cr* (aq) (C) (basic solution): P. (s) + OH' (aq) → PH; (g) + H2PO2 (aq)
1.a) Balance the following redox equation in acid. In the blank put the correct stochiometric coefficient (0, 1, 2, etc.). (Note: 0 if the species does not appear on that side of the equation.) CH2O (l) + Ag+ (aq) + H2O (l) → HCO2H (aq) + Ag(s) + H+ (aq) 1.b) Balance the following redox equation in base. In the blank put the correct stochiometric coefficient (0, 1, 2, etc.). (Note: 0 if the species does not appear on that...