Consider a galvanic cell that uses Ca/Ca^2+ and Cd/Cd^2+ half-cell reactions. Which half-cell reaction occurs at...
17) A Galvanic cell is made using a Co/Co half-cell and a Cd/Cd half-cell. a) Circle your answer: Which is the cathode: Co or Cd? b) Circle your answer: Which is the anode c) Write the balanced redox reaction for this Galvanic cell. Co or C? d) Calculate the standard cell potential for this Galvanic cell An experiment was done in which the cadmium ion concentration, [Cd], was 0.100 M and the cobalt ion concentration, [Co門, was 0.0200 M. What...
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
An electrochemical cell uses Ni/Ni+2 and Cd/cd+2. a) Write the half reactions that will be spontaneous for this cell. Oxidation- Reduction- b) Which metal is the anode and which is the cathode? anode cathode c) Calculate the emf (Ecell) for this cell. Eceu =
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of each aqueous reactant and product is 0.100 M. H2O2(aq) + 2H"(aq) + 2e 2H2O() CIO-(aq) H2O(l) + 2Cl(aq) + 2OH(aq) a. Write the line notation for the cell. (5 pts) b. Write the net ionic equation for the cell reaction. (5 pts) c. Calculate the initial potential of the cell. (5 pts) Answer: d. Calculate the pH in the anode and cathode compartments after...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ed=-0.763 V Zn²+(aq)+2e MnO2 (aq)+8H+ (aq)+5€ → Zn(s) → Mn²+ (aq)+4 ,00) E cd = +1.51 v Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of each aqueous reactant and product is 0.100 M. H2O2(aq) + 2H+ (aq) + 2e = 2H20(0 CIO-(aq) + H20(1) +2e = Cl-(aq) +20H-(aq) a. Write the line notation for the cell. (5 pts) b. Write the net ionic equation for the cell reaction. (5 pts) c. Calculate the initial potential of the cell. (5 pts) Answer: d. Calculate the pH in the anode and...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction Br2)+2e 2 Br (aq) 1.065 V red E 2 H,00+2е H2(9)+2ОН (ад) 0.83 V 'red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode Write a balanced equation for the half-reaction that happens at the anode Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2 (s) + 4H+ (aq) +2e−→ Mn+2 ( aq) +2H2O(l) =E0red+1.23V Cl2 (g) +2e−→ 2Cl− (aq) =E0red+1.359V Answer the following questions about this cell Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as...
Consider a galvanic cell in which Al3 is reduced to elemental
aluminum, and magnesium metal is oxidized to Mg2 . Write the
balanced half-cell reactions that take place at the cathode and at
the anode.
Consider a galvanic cell in which Al^3 is reduced to elemental aluminum, and magnesium metal is oxidized to Mg2 . Write the balanced half-cell reactions that take place at the cathode and at the anode. Half - cell reaction at the cathode Half - cell...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential O2 (g) + 4H+ (aq) +4e− → 2H2O (l) =E0red+1.23V Zn+2 (aq) +2e− → Zn (s) =E0red−0.763V Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is...