A Cell Can Be Prepared from Copper and Tin

question 49

Multiple Choice

A cell can be prepared from copper and tin.What is the E°_cell for the galvanic cell that forms from the following half-reactions? Cu²⁺(aq) + 2e^- Cu(s) E° = 0.34V
Sn⁴⁺(aq) + 2e^- Sn²⁺(aq) E° = 0.13V

• A)0.47 V
• B)0.21 V
• C)-0.21 V
• D)-0.47 V
• E)0.42 V

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Definitions:

Brønsted-Lowry

The Brønsted-Lowry theory defines acids as proton (H+) donors and bases as proton acceptors, emphasizing the role of proton transfer in acid-base reactions.

Hydrogen Ion

An atom of hydrogen that has lost its electron, resulting in a positively charged ion, H+.

Hydroxide Ion

A negatively charged ion made of oxygen and hydrogen (OH-), commonly found in bases.

Organic Extraction

A separation process for removing one or more compounds from a mixture using an organic solvent.