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E. The %u201CZebra%u201D cell was invented in 1985 in South Africa as part of th

ID: 783022 • Letter: E

Question

E. The %u201CZebra%u201D cell was invented in 1985 in South Africa as part of

the %u201CZEolite Battery Research Africa%u201D project, and is used in

all-electric municipal buses and other vehicles. It uses nickel and

molten sodium as its electrodes. Its overall cell reaction

is........... NiCl2(l) + 2Na(l) <--> Ni(s) +

2NaCl(l)............... 1.What is the E^o for the Zebra

cell?................... 2.Are the reactants in this battery at

room temperature when it is operating? Explain how you know.

Explanation / Answer

Zebra battery The zebra battery, which operates at 250