
Combine the two half reactions to form a galvanic cell. Cl2(g) + 2 e--> 2 Cl(aq)...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Cl 2 (g) + 2 e − → 2 Cl − (aq) = E 0 red + 1.359 V MnO − 4 (aq) + 2 H 2 O (l) + 3 e − → MnO 2 (s) + 4 OH − (aq) = E 0 red + 0.59 V cathode half reaction anode half reaction overall reaction cell potential at standard state
2. A standard state galvanic cell is constructed using the following half-reactions. Fe3+ (aq) + Fe2(aq) Fe2(aq) + 2e → Fe(s) a. Fill in the cell diagram. Label the anode, cathode, the reactants and products in each solu direction of electron flow through the wire, and ion flow through the salt bridge. (5 pts) KNO, Salt Bridge (+) electrode (-) electrode b. Calculate the concentration of each ion in the cell at equilibrium. (10 pts)
Based on the following information, Cl2(g) + 2 e- → 2 Cl-(aq) E° = +1.36 V Mg2+(aq) + 2 e- → 2 Mg(s) E° = -2.37 V which of the following chemical species is the strongest reducing agent? A. Cl2(g) B. Mg2+(aq) C. Mg(s) D. Cl-(aq)
A voltaic (galvanic) cell consists of an Ag(s)/Ag+1(aq) half-cell and a Zn(s)/Zn(s)+2(aq) half - cell connected by a salt bridge. Reduction occurs in the silver half- cell. The cell can be represented in standard notation as
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...
balance the following half-reactions (all of which take place in acidic solution) a. HClO(aq) ---> CL^-(AQ) b. NO(AQ)--->N2O(G) c. N2O(AQ)--->N2(G) d. CLO3^-(AQ--->HCLO2(AQ) e. O2(G)--->H2O(L) f. SO4^2^-(AQ)--->H2SO3(AQ) g. H2O2(AQ)--->H2O(L) h. NO2^-(AQ)--->NO3^-(AQ)
Question 17
utive value of Ecell t cell and not aGALVANIC cl he wire or salt bridge is clearly connected backwar CA) L, II and III only (B) I and Il only (l oly only n..nW a galvanic cell consists of a F)/(a) half cell with a Pu) d F +)-0.50 M. E- 1 b Tag) /Pb(s) half cell. Calculate 1.00 V, and the temperature= 25 =1.0M, Fb+] when F 0) 3.7 x 10? M (E) 1.6 × (C) 4.2...
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...
Detailed answer please.
6. Suppose you initially have a standard galvanic cell based on the following half- reactions: Cu" (aq) 2eCu (s) Ag' (aq)e Ag (s) The metal electrodes in this cell are Ag (s) and Cu (s). Does the cell potential increase, decrease, or remain the same when the following changes occur? Provide a reasonable explanation to support your answers a) Solid CuSO4 is added to the copper half-cell compartment (CuSO4 b) NHs (aq) is added to the copper...
Consider the following electrochemical cell (battery): Mg(s) │ Mg2+(aq) ║ Cl- (aq) │ Cl2 (g) │ Pt(s) all gases 1 atm, all solutions 1.0 M a. Write the respective reduction half-reactions occurring on each side of the salt bridg, and from some reference, get the half-cell potential (in volts) for each. b. Determine what reaction occurs overall, and calculate the Eo cell for this electrochemical cell. c. Make a drawing of this cell, and label the ANODE and the CATHODE....