The standard reduction potentials of lithium metal and chlorine gas are as follows: Reaction Reduction potential (V) Li + (aq) + e-→Li (s) - 3.04 Cl2 (g) + 2e-→2Cl - (aq) + 1.36 In a galvanic cell, the two half-reactions combine to 2Li (s) + Cl2 (g) →2Li + (aq) + 2Cl - (aq) Calculate the cell potential of this reaction under standard reaction conditions.

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Chemistry

Morris

22 December, 11:55

The standard reduction potentials of lithium metal and chlorine gas are as follows: Reaction Reduction potential (V) Li + (aq) + e-→Li (s) - 3.04 Cl2 (g) + 2e-→2Cl - (aq) + 1.36 In a galvanic cell, the two half-reactions combine to 2Li (s) + Cl2 (g) →2Li + (aq) + 2Cl - (aq) Calculate the cell potential of this reaction under standard reaction conditions.

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Caroline Mcintyre · Answer 1

Under standard conditions:

E (cell) = E (cathode) - E (anode)

Note : cathode has the larger numeric value and anode has the smaller. Therefore

E (cell) = + 1.36V - (-3.04V)

= 1.36 + 3.04

= + 4.40V