Homework Answers
the given reaction is double displacement reaction this
reactions are given precipitation reactions 
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wnte the ecuation for the tollowing Preupitahon reactions a) KCLag) +Ag No3Lag7 bNa2Scagst Cacl2a4y7
84. Which reactions are redox reactions? (a) Al(s) + 3 Ag+(aq) -> Al+(aq) + 3 Ag(s)...
84. Which reactions are redox reactions? (a) Al(s) + 3 Ag+(aq) -> Al+(aq) + 3 Ag(s) (b) 4 K(s) + O2(g) → 2K2O(s) (c) SO3(g) + H2O(l) → H2SO4(aq) (d) Mg(s) + Brz(1) ► MgBrz(s)
Write a balanced overall reaction from these unbalanced half-reactions. Cu → cu2+ Ag+ → Ag
Write a balanced overall reaction from these unbalanced half-reactions. Cu → cu2+ Ag+ → Ag balanced overall reaction: For a particular redox reaction NO is oxidized to NO3- and Ag+ is reduced to Ag. Complete and balance the equation for this reaction in basic solution. Phases are optional. Balance the following equation in basic conditions. Phases are optional.
What are the standard potentials (vs SHE) for the following half-reactions ? Ag' (aq)e Ag (s)...
What are the standard potentials (vs SHE) for the following half-reactions ? Ag' (aq)e Ag (s) Cu2 (aq)2 e Cu (s)
An electrochemical cell is based on these reactions: Ag (ac) + le- → Ag (s) E...
An
electrochemical cell is based on these reactions: Ag (ac) + le- →
Ag (s) E ° = 0.80 V 3+ Au (ac) + 3e- → Au (s) E ° = 1.50 V
Calculate the standard potential of the galvanic cell that can be
obtained from these two half reactions and then answers: The
substance that oxidizes is: The standard potential of this cell, E
cell has a value of
Una celda electroquímica esta basada en estas media reacciones: Ag"...
Calculate the standard emf of a cell that uses Ag/ Ag and Al/A13+ half-cell reactions. Write...
Calculate the standard emf of a cell that uses Ag/ Ag and Al/A13+ half-cell reactions. Write the cell reaction that occurs under standard-state conditions. 18.12
which of the following spontaneous reactions is associated with the cell, Pt(s)l Sn2+,Sn4+ll Ag+ l Ag(s)...
which of the following spontaneous reactions is associated with the cell, Pt(s)l Sn2+,Sn4+ll Ag+ l Ag(s) a)Aq + e---> Ag+ c)Pt + 2e- --> Pt2- d)sn4+ + Ag+ --> Pt2+ Ag(s) + Sn2+ e) none of the above
Write a balanced overall reaction from these unbalanced half-reactions Sn and Ag
Write a balanced overall reaction from these unbalanced half-reactions. Sn --> Sn^2+ Ag+ -->Ag
If the following half-reactions are used in an electrolytic cell: Ag+(aq) + e− ⟶ Ag(s) Eo...
If the following half-reactions are used in an electrolytic cell: Ag+(aq) + e− ⟶ Ag(s) Eo = 0.80 V Ca2+(aq) + 2 e− ⟶ Ca(s) Eo = −2.76 V Click here for a copy of Final Exam cover sheet. 1) The metal solid that is plated out at the cathode is [Ag(s), Ca(s)] 2) It would take [3, 8. 16] hours to deposit 60 g of the solid with a current of 5.0 A.
A voltaic cell is based on the following half reactions at 25 ⁰C: Ag + + e- à Ag &nbs...
A voltaic cell is based on the following half reactions at 25 ⁰C: Ag + + e- à Ag E⁰ = 0.8V H2O2 + 2H+ + 2e- à 2H2O E⁰ = 1.78V Predict whether E cell is larger or smaller than E⁰ cell for the following cases. Explain your answers. (a) [Ag +] = 1.0 M, [H2O2] = 2.0 M, [H+] = 2.0 M (b) [Ag +] = 2.0 M, [H2O2] = 1.0 M, [H+] = 1.0 x 10-7 M
Given the following reactions, AgBr(s) = Ag+ (aq) + Br(aq) Ksp = 5.8 x 10-13 Ag+...
Given the following reactions, AgBr(s) = Ag+ (aq) + Br(aq) Ksp = 5.8 x 10-13 Ag+ (aq) + 2 CN"(aq) = Ag(CN)2(aq) Kf = 9.5 x 1021 determine the equilibrium constant for the reaction below. AgBr(s) + 2 CN"(aq) =Ag(CN)2(aq) + Br(aq) Answer: 1.2E21 Check
84. Which reactions are redox reactions? (a) Al(s) + 3 Ag+(aq) -> Al+(aq) + 3 Ag(s) (b) 4 K(s) + O2(g) → 2K2O(s) (c) SO3(g) + H2O(l) → H2SO4(aq) (d) Mg(s) + Brz(1) ► MgBrz(s)
What are the standard potentials (vs SHE) for the following half-reactions ? Ag' (aq)e Ag (s) Cu2 (aq)2 e Cu (s)
An
electrochemical cell is based on these reactions: Ag (ac) + le- →
Ag (s) E ° = 0.80 V 3+ Au (ac) + 3e- → Au (s) E ° = 1.50 V
Calculate the standard potential of the galvanic cell that can be
obtained from these two half reactions and then answers: The
substance that oxidizes is: The standard potential of this cell, E
cell has a value of
Una celda electroquímica esta basada en estas media reacciones: Ag"...
Calculate the standard emf of a cell that uses Ag/ Ag and Al/A13+ half-cell reactions. Write the cell reaction that occurs under standard-state conditions. 18.12
Given the following reactions, AgBr(s) = Ag+ (aq) + Br(aq) Ksp = 5.8 x 10-13 Ag+ (aq) + 2 CN"(aq) = Ag(CN)2(aq) Kf = 9.5 x 1021 determine the equilibrium constant for the reaction below. AgBr(s) + 2 CN"(aq) =Ag(CN)2(aq) + Br(aq) Answer: 1.2E21 Check
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