Suppose that we wish to study the possible galvanic corrosion between zinc and chromium, so we set
Question:
Suppose that we wish to study the possible galvanic corrosion between zinc and chromium, so we set up the following cell:
What is the chemical reaction that takes place, and what is the standard free energy change for that reaction?
Strategy
To calculate the free energy change, we must know two things: the cell potential and the number of electrons transferred in the reaction. Then we can simply use these values in Equation 13.5 to obtain the free energy change.
Equation 13.5
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Step by Step Answer:
First we need the balanced chemical equation which in this case can be written immedia...View the full answer
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Related Book For 
Chemistry For Engineering Students
ISBN: 9780357026991
4th Edition
Authors: Lawrence S. Brown, Tom Holme
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