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28 Sep 2018

9. What is the definition of the standard cell potential (Ecell? What does a large positive standard cell potential imply about the spontaneity of the redox reaction occurring in the cell? What does a negative standard cell potential imply about the reaction?

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Patrina Schowalter
Patrina SchowalterLv2
29 Sep 2018

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Related questions

The oxidation-reduction reaction given below has a standard cell potential E?cell = ?0.65 V.

Sn4+(aq) + 2 Ag(s) ? 2 Ag+(aq) + Sn2+(aq)

What is the spontaneity of this reaction under standard conditions? spontaneous OR nonspontaneous

9 part 2

A voltaic cell employs the following redox reaction:
Sn2+(aq)+Mn(s)→Sn(s)+Mn2+(aq)
Calculate the cell potential at 25 ∘C under each of the following conditions

Part A

standard conditions

Ecell

Part B

[Sn2+]= 1.45×10−2 M ; [Mn2+]= 1.41 M .

Express your answer using two significant figures.

Ecell

Part C

[Sn2+]= 1.41 M ; [Mn2+]= 1.45×10−2 M .

Ecell

The standard cell potential of the reaction below is E°cell = 0,76 V.

When P = 1,0 atm and [Zn2+] = 1,0 M the cell potential is Ecell = 0,66 V. H2 What is [H+] at that point?

Zn(s) + 2 H+(aq) → Zn2+(aq) + H2(g)

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