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Medical College Admission Test
Chemical and Physical Foundations of Biological Systems

Cell Potential of a Galvanic Cell

Easy General Chemistry Electrochemistry

In electrochemistry, galvanic cells are devices that convert chemical energy into electrical energy through spontaneous redox reactions. In this context, consider a galvanic cell composed of a zinc electrode immersed in a zinc sulfate solution and a copper electrode immersed in a copper sulfate solution. The standard reduction potentials for the half-reactions are as follows: Zn2+ + 2e- → Zn (s) (E° = -0.76 V) and Cu2+ + 2e- → Cu (s) (E° = +0.34 V). What is the overall cell potential (Ecell) for this galvanic cell?

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