W11 Flashcards by Thanushi Peiris

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Q

Nernst equation

A

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Q

Cell potential for a spontaneous reaction when given half cell potentials (in galvanic/daniel cell)

A

E = E(cell undergoing reduction) - E(cell undergoing oxidation)

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Q

For a spontaneous reaction, Ecell is

A

Positive

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Q

What are standard conditions for electrochemical cells?

A

298K
1M
1 atm

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Q

Relate gibbs free energy to cell potential

A

G = -nFE^o_cell

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Q

units for gibbs free energy

A

kJ/mol or J/mol

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Q

Modify Nerst equation to find K_c

A

At equilibrium, standard electrode potential is 0

Rearrange Nerst equation:

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Q

A

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