What’s the chemical reaction for salt water fuel cell. Write out the two half reaction and...
EXPERIMENT UTA-650 Date 1. Write out the half reactions, the net chemical reaction and the Eº for the following electrochemical cell: Al(s)| AB(aq), 1.0 M || Snº" (aq), 1.0 MSn (S) 2. Write out the half reactions, the net chemical reaction and the E for the following electrochemical cell: Zn (8) Zn2+ (aq), 0.10 M || Ag+ (aq), 2.5 M Ag (8) 3. Describe how you would make 45 mL of a 0.10 M tin(II) chloride solution using a common...
For the ff. write the half-reactions, over-all reaction and Nerst equation: a. Microbial Fuel Cell b. Alkaline battery c. Ni-Cd battery
In a hydrogen fuel cell, oxygen and hydrogen are combincd to produce water and a small potential differ- ence. The steps of the chemical reaction are: at-electrode: at + electrode: H2 + 20H-→ 2H2O + 2e-; O2 + H2O + 2e-→ 2OH-, Use the table of chemical values to calculate a) the work that can be produced from this fuel cell, b) the 'waste' heat produced during standard operation, c) the voltage of the cell, and d) the minimum voltage...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ed=+0.96 v NO3(aq)+4 H* (aq)+3e NO(g)+2H2O() Br2()+2e → 2 Br (aq) Erd- +1.065 V Answer the following questions about this cell. 0-0 0 0 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...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Zn(s) red -0.763 V Zn2+ (aq)+2e NO3(aq)+4 H+ (aq)+3e NO(9)+2H20(1) EO red = +0.96 V Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. е х 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...
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 red = +0.96 V red0.763 v NO, (ag)+4H(a)+3eNoo)+2 H,Ow Zan2+ (aq)+2e- → Zn(s) 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 written. Do...
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...
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...
A chem igns a galvanic cell that uses these two half reactions: standard reduction potential half-reaction (aq)+4 H,0(1)+3e" → Cr(OH)2(3)+50H (aq) cro Ered=-0.13 V Fe?+ (aq)+e → Fe2+ (aq) E = +0.771 V Answer the following questions about this cell. 0-0 0 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. X 5 Write a balanced equation for the overall reaction that powers the cell....