20. Electrochemistry

What is the value (in V) of E°cell for the following reaction? Cu²⁺ (aq) + Sn (s) → Cu (s) + Sn²⁺ (aq)

What is the value (in V) of E°cell for the following reaction: Sn²⁺ (aq) + Fe (s) → Sn (s) + Fe²⁺ (aq)?

What is the value (in V) of E°cell for the following reaction? Zn2+ (aq) + Pb (s) ⇌ Zn (s) + Pb2+ (aq)

Determine the standard reduction potential (E°red) for the reduction of Tl³⁺(aq) to Tl⁺(aq).