Homework Answers
![Full log 6 -0.870 - 0.0592 ((0.015)) 10.03655) = -0.870 - 0.0592 [2log (0.015) - 3.609 (0-03555)] 4 = -0.87U-0.0592 x 0.6996](http://img.homeworklib.com/questions/e7960bc0-fdf2-11ea-a998-d362b29b2752.png?x-oss-process=image/resize,w_560)
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8. Using the cell notation Cr3+ (aq, 0.0150 mol/L)/Cr(s)|| Pb(s)|Pb2+ (aq, 0.0355) A. (10 pts) Complete...
Half-reaction E° (V) I2(s) + 2e- 2I-(aq) 0.535V Pb2+(aq) + 2e- Pb(s) -0.126V Cr3+(aq) + 3e-...
Half-reaction E° (V) I2(s) + 2e- 2I-(aq) 0.535V Pb2+(aq) + 2e- Pb(s) -0.126V Cr3+(aq) + 3e- Cr(s) -0.740V The strongest oxidizing agent is: ______enter formula The weakest oxidizing agent is: The weakest reducing agent is: The strongest reducing agent is: Will I2(s) reduce Cr3+(aq) to Cr(s)? Which species can be reduced by Pb(s)? If none, leave box blank.
Use the cell notation to answer the question: Cr(s) | Cr3+(aq) || Br–(aq) | Br2(g) |...
Use the cell notation to answer the question: Cr(s) | Cr3+(aq) || Br–(aq) | Br2(g) | Pt(s) What is the reducing agent? Group of answer choices Br2(g) Cr3+(aq) Pt(s) Cr(s) Br–(aq)
help with these please Consider the following half-reactions: Half-reaction Eo (V) F2(g)+ 2e 2F (aq) 2.870V...
help with these please
Consider the following half-reactions: Half-reaction Eo (V) F2(g)+ 2e 2F (aq) 2.870V Sn2 (aq) + 2e- Sn(s) 0.140V Cr3 (aq) + 3e° _ Cr(s)-0.740V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will F2(g) oxidize Cr(s) to Cr3 (aq)? (6) Which species can be oxidized by Sn2 (aq)? If none, leave box blank. Consider the following half-reactions:...
9) A galvanic cell Cr(s)|Cr2+(aq) || Pb2+(aq)|Pb(s) is constructed using a completely immersed Cr electrode that...
9) A galvanic cell Cr(s)|Cr2+(aq) || Pb2+(aq)|Pb(s) is constructed using a completely immersed Cr electrode that weighs 26.5 g and a Pb electrode immersed in 665 mL of 1.00 M Pb2+(aq) solution. A steady current of 0.0598 A is drawn from the cell as the electrons move from the Cr electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? ___ (b) How long does it take for the cell to be completely discharged? ___...
A. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Sn2+(aq) + 2e-Sn(s) -0.140V Cr3+(aq) + 3e-Cr(s) -0.740V...
A. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Sn2+(aq) + 2e-Sn(s) -0.140V Cr3+(aq) + 3e-Cr(s) -0.740V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Cl2(g) oxidize Cr(s) to Cr3+(aq)? (6) Which species can be oxidized by Sn2+(aq)? If none, leave box blank. B. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Cu2+(aq) + 2e-Cu(s) 0.337V Mn2+(aq) + 2e-Mn(s) -1.180V (1) The...
A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). a. If the...
A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). a. If the concentration of Sn2+ in the cathode compartment is 1.50 M and the cell generates an emf of 0.22 V , what is the concentration of Pb2+ in the anode compartment? b. If the anode compartment contains [SO2−4]= 1.50 M in equilibrium with PbSO4(s), what is the Kspof PbSO4?
Sketch a diagram of a galvanic cell represented by the following shorthand notation: Pb(s)|Pb2+ (aq)||Br2(1), Br (aq)|P...
Sketch a diagram of a galvanic cell represented by the following shorthand notation: Pb(s)|Pb2+ (aq)||Br2(1), Br (aq)|Pt(s) Drag the appropriate labels to their respective targets. Labels can be used once, more than once, or not at all. e e → Group 1 2Br - Group 3 (anode) Pb2+ Salt bridge NaNO, Group 3 (cathode) Br2 NO3- Group 2 Na+ Group 2 Group 2 Pb Group 2 Group 2 Pt
A galvanic cell Crs)Cr2(aq) || Pb2*(a)|Pb( is constructed using a completely immersed Cr electrode that weighs...
A galvanic cell Crs)Cr2(aq) || Pb2*(a)|Pb( is constructed using a completely immersed Cr electrode that weighs 25.0 g and a Pb electrode immersed in 632 mL of 1.00 M Pb*(aq) solution. A steady current of 0.0719 A is drawn from the cell as the electrons move from the Cr electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? Enter symbol (b) How long does it take for the cell to be completely discharged? (c)...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq,...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq, 0.500 M) || Cu2+(aq, 1.00 M) Cu(s) Candidate 3: Mg(s) | Mg2+(aq, 0.500 M) | Pb2+(aq, 1.00 M)| Pb(s) (a) 6 pts) Choose one of the candidate voltaic cells #1, #2, or #3. Draw a schematic cell diagram for the candidate voltaic cell of choice. Clearly label anode, cathode, electrodes, ions and their concentrations, salt bridge, and the flow of electrons. (b) (5 pts)...
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...
help with these please
Consider the following half-reactions: Half-reaction Eo (V) F2(g)+ 2e 2F (aq) 2.870V Sn2 (aq) + 2e- Sn(s) 0.140V Cr3 (aq) + 3e° _ Cr(s)-0.740V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will F2(g) oxidize Cr(s) to Cr3 (aq)? (6) Which species can be oxidized by Sn2 (aq)? If none, leave box blank. Consider the following half-reactions:...
Sketch a diagram of a galvanic cell represented by the following shorthand notation: Pb(s)|Pb2+ (aq)||Br2(1), Br (aq)|Pt(s) Drag the appropriate labels to their respective targets. Labels can be used once, more than once, or not at all. e e → Group 1 2Br - Group 3 (anode) Pb2+ Salt bridge NaNO, Group 3 (cathode) Br2 NO3- Group 2 Na+ Group 2 Group 2 Pb Group 2 Group 2 Pt
A galvanic cell Crs)Cr2(aq) || Pb2*(a)|Pb( is constructed using a completely immersed Cr electrode that weighs 25.0 g and a Pb electrode immersed in 632 mL of 1.00 M Pb*(aq) solution. A steady current of 0.0719 A is drawn from the cell as the electrons move from the Cr electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? Enter symbol (b) How long does it take for the cell to be completely discharged? (c)...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq, 0.500 M) || Cu2+(aq, 1.00 M) Cu(s) Candidate 3: Mg(s) | Mg2+(aq, 0.500 M) | Pb2+(aq, 1.00 M)| Pb(s) (a) 6 pts) Choose one of the candidate voltaic cells #1, #2, or #3. Draw a schematic cell diagram for the candidate voltaic cell of choice. Clearly label anode, cathode, electrodes, ions and their concentrations, salt bridge, and the flow of electrons. (b) (5 pts)...
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...
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