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A galvanic cell ZnZn? || Ni? Ni runs spontaneously. If a current is imposed to turn...
A galvanic cell Zn | Zn?* || Ni? Ni runs spontaneously. If a current is imposed...
A galvanic cell Zn | Zn?* || Ni? Ni runs spontaneously. If a current is imposed to turn this into an electrolytic cell, which of the following will occur? A) Zn(s) still gets oxidized at the same rate B) Zn(s) gets oxidized at a faster rate C) Nigets oxidized D) Ni2+ gets reduced E) Zn2+ gets reduced
need answers for all questions Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+...
need answers for all questions
Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) // Cu2+ (aq) / Cu (+), the correct half reactions are 0 (a) Cr3+ (a) Cr3+ + 3e → Crat (-) electrode; Cu+ 2e → Cu2+ at (+) electrode (b) Cr - 3e → Cr3+ at (-) electrode; Cu2+ + 2e → 2 Cu at (+) electrode Occ) cr (c) Cr + 3e → Cr3+ at (-) electrode; Cu2+ - 2e → Cu...
1) A standard galvanic cell is constructed with Ni2+ | Ni and I2 | I- half...
1) A standard galvanic cell is constructed with Ni2+ | Ni and I2 | I- half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) A. Ni is oxidized at the anode. B. In the external circuit, electrons flow from the Ni2+|Ni compartment to the I2|I-compartment. C. As the cell runs, anions will migrate from the Ni2+|Ni compartment to the I2|I-compartment. D....
answer plz Question 32 (3 points) (32) For a galvanic cell notation: (-) Zn /Zn2+ (aq)...
answer plz
Question 32 (3 points) (32) For a galvanic cell notation: (-) Zn /Zn2+ (aq) // Cu2+ (aq) / Cu (+), which of the following is fully correct? (a) Zn2+ is oxidized to Zn, and Cu2+ (aq) is reduced to Cu. (b) Zn is oxidized to Zn2+, and Cu2+ (aq) is reduced to Cu. 0 (c) Zn2+ is reduced to Zn, and Cu2+ (aq) is oxidized to Cu. (d) Zn is reduced to Zn2+, and Cu (aq) is reduced...
Half-cell Potentials: Half Reaction: E value +0.80 V Agt + e → Ag Fe3+ + €...
Half-cell Potentials: Half Reaction: E value +0.80 V Agt + e → Ag Fe3+ + € → Fe2+ +0.77 v +0.34 V -0.13 V Cu2+ +2e → Cu Pb2+ + 2e - → Ib Ni2+ + 2e → Ni Cd2+ +2e → Cd -0.25 V -0.40 V Fe2+ + 2e → Fe -0.44 V Zn2+ + 2e → Zn -0.76 V Al3+ +3e → AI - 1.66 V Consider an electrochemical cell constructed from the following half cells, linked by...
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 ∘C. The...
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 ∘C. The initial concentrations of Ni2+ and Zn2+ are 1.80 molL−1 and 0.130 molL−1, respectively. Zn2+(aq)+2e−→Zn(s)E∘=−0.76V Ni2+(aq)+2e−→Ni(s)E∘=−0.23V A) What is the cell potential when the concentration of Ni2+ has fallen to 0.600 molL−1? B) What are the concentrations of Ni2+ and Zn2+ when the cell potential falls to 0.45 V?
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 ∘C. The...
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 ∘C. The initial concentrations of Ni2+ and Zn2+ are 1.60molL−1 and 0.130 molL−1, respectively. Zn2+(aq)+2e−→Zn(s)E∘=−0.76V Ni2+(aq)+2e−→Ni(s)E∘=−0.23V Part A What is the initial cell potential? Part B What is the cell potential when the concentration of Ni2+ has fallen to 0.600 molL−1? Part C What are the concentrations of Ni2+ and Zn2+ when the cell potential falls to 0.45 V?
please comment if need more info. no need to show work. A standard galvanic cell is constructed with Zn of the f...
please comment if need more info. no need to show work.
A standard galvanic cell is constructed with Zn of the following statements are correct? Z n and F2 F half cell compartments connected by a salt bridge. Which Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) F is reduced at the cathode. OF is oxidized at the anode. As the cell runs, anions will migrate from the ZnZn compartment to the FF compartment. The...
Please help me solve this An electrochemical reaction occurring in a galvanic cell is expressed using...
Please help me solve this
An electrochemical reaction occurring in a galvanic cell is expressed using the standard cell notation: Zn(s) Zn2+ (aq) || Ag (aq) | Ag(s) The standard reduction potentials for the half-cell reactions are as follows: Zn2+(aq) + 2e_? Zn(s) E o=-0.76 V Ag (a)eAg(s) E +0.80 V Which of the following statements is correct regarding this electrochemical cell? A. Agt is reduced at the cathode; Zn is oxidized at the anode. B. Edell = +1.56 V...
A standard galvanic cell is constructed with Br2 Br and Zn2+ Zn half cell compartments connected...
A standard galvanic cell is constructed with Br2 Br and Zn2+ Zn half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment is the Zn²+Zn compartment. As the cell runs, anions will migrate from the Br2 Br compartment to the Zn²+Zn compartment. Brą is reduced at the cathode. In the external circuit, electrons flow from the Br2|Br compartment to...
A galvanic cell Zn | Zn?* || Ni? Ni runs spontaneously. If a current is imposed to turn this into an electrolytic cell, which of the following will occur? A) Zn(s) still gets oxidized at the same rate B) Zn(s) gets oxidized at a faster rate C) Nigets oxidized D) Ni2+ gets reduced E) Zn2+ gets reduced
need answers for all questions
Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) // Cu2+ (aq) / Cu (+), the correct half reactions are 0 (a) Cr3+ (a) Cr3+ + 3e → Crat (-) electrode; Cu+ 2e → Cu2+ at (+) electrode (b) Cr - 3e → Cr3+ at (-) electrode; Cu2+ + 2e → 2 Cu at (+) electrode Occ) cr (c) Cr + 3e → Cr3+ at (-) electrode; Cu2+ - 2e → Cu...
answer plz
Question 32 (3 points) (32) For a galvanic cell notation: (-) Zn /Zn2+ (aq) // Cu2+ (aq) / Cu (+), which of the following is fully correct? (a) Zn2+ is oxidized to Zn, and Cu2+ (aq) is reduced to Cu. (b) Zn is oxidized to Zn2+, and Cu2+ (aq) is reduced to Cu. 0 (c) Zn2+ is reduced to Zn, and Cu2+ (aq) is oxidized to Cu. (d) Zn is reduced to Zn2+, and Cu (aq) is reduced...
Half-cell Potentials: Half Reaction: E value +0.80 V Agt + e → Ag Fe3+ + € → Fe2+ +0.77 v +0.34 V -0.13 V Cu2+ +2e → Cu Pb2+ + 2e - → Ib Ni2+ + 2e → Ni Cd2+ +2e → Cd -0.25 V -0.40 V Fe2+ + 2e → Fe -0.44 V Zn2+ + 2e → Zn -0.76 V Al3+ +3e → AI - 1.66 V Consider an electrochemical cell constructed from the following half cells, linked by...
please comment if need more info. no need to show work.
A standard galvanic cell is constructed with Zn of the following statements are correct? Z n and F2 F half cell compartments connected by a salt bridge. Which Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) F is reduced at the cathode. OF is oxidized at the anode. As the cell runs, anions will migrate from the ZnZn compartment to the FF compartment. The...
Please help me solve this
An electrochemical reaction occurring in a galvanic cell is expressed using the standard cell notation: Zn(s) Zn2+ (aq) || Ag (aq) | Ag(s) The standard reduction potentials for the half-cell reactions are as follows: Zn2+(aq) + 2e_? Zn(s) E o=-0.76 V Ag (a)eAg(s) E +0.80 V Which of the following statements is correct regarding this electrochemical cell? A. Agt is reduced at the cathode; Zn is oxidized at the anode. B. Edell = +1.56 V...
A standard galvanic cell is constructed with Br2 Br and Zn2+ Zn half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment is the Zn²+Zn compartment. As the cell runs, anions will migrate from the Br2 Br compartment to the Zn²+Zn compartment. Brą is reduced at the cathode. In the external circuit, electrons flow from the Br2|Br compartment to...
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