Galvanic Cell and Voltage output using these elements. Copper Lead Please show all work and method...
Galvanic Cell and Voltage output using these elements. Copper Lead Please show all work and method to determine the output.
Homework Answers
The reactions
Cu2+ + 2 e− <--->Cu(s) +0.337
Pb2+ + 2 e− <---> Pb(s) −0.126
the most negative oxidizes so must be inverted
Cu2+ + e− <---> Cu+ +0.337
Pb(s) <--->Pb2+ + 2 e− 0.126
E°cell = 0.337+0.126 = 0.463
The reaction
Cu2+(Aq) + Pb(s) ---> Cu(s) + Pb+2(aq)
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Galvanic Cell and Voltage output using these elements. Copper
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Show all steps please :)
A galvanic cell is prepared using the following two half-cells: (i) MnO4 (0.273 M), Mn2+ (0.167 M), and H+ (1.0 M), and (ii) Fe2+ (0.247 M) and Fe3+ (0.389 M). The standard reduction potentials for the two half cells are: Mnoa + 8H+ + 5e – Mn2+ + 4H20 E° = 1.507 V Fe3+ + e- Fe2+ E° = 0.770 V a) Calculate the voltage for this galvanic cell. b) Write the balanced equation for...
Please show all work step by step and final answer.
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Please show all work step by step and final
answer.
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