The standard reduction potentials of lithium metal and chlorine gas are as follo

Question

The standard reduction potentials of lithium metal and chlorine gas are as follows: In a galvanic cell, the two half-reactions combine to Calculate the cell potential of this reaction under standard reaction conditions. Express your answer with the appropriate units. Calculate the free energy Delta G degree of the reaction. Express your answer with the appropriate units. What can be said about the spontaneity of this reaction? The reaction is spontaneous as written. spontaneous in the reverse direction. at equilibrium. nonspontaneous in either direction.

Explanation / Answer

Li is getting oxidised. its anode
Cl2 is geeting reduced. Its cathode
Number of electron being transferred, n = 2

A)
Eo = Eo cathode - Eo anode
= 1.36 - (-3.04)
= 4.40 V
Answer: 4.40 V

B)
Go = -n*F*Eo
= -2*96500*4.40
= -849200 J
= -849.2 KJ
Answer: -849.2 KJ

C)
Since Eo is positive, reaction is sponteneous
Answer: Spontaneous as written

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