Define reactions as spontaneous or nonspontaneous as written

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Based on the sign of E°cell, classify these reactions as spontaneous or nonspontaneous as written. Assume standard conditions.

a) Ni2+(aq) + Pb(s) ------------------- Ni(s) + Pb2+(aq)

b) Ni2(aq) + S2-(aq) ------------------- Ni(s) + S(s)

c) Al3+(aq) + 3Na(s) --------------------- Al(s) + 3Na+(aq)

Reference no: EM13239146

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