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Example Questions
Example Question #1 : Cell Potential And Free Energy
1.
2.
3.
What is ? Is reaction 3 spontaneous?
Possible Answers:
, nonspontaneous
, nonspontaneous
, spontaneous
, spontaneous
Correct answer:
, nonspontaneous
Explanation:
There are two concepts to consider in this problem. First, the question asks for the . Reaction 3 has being reduced so the potential for the half reaction becomes negative. half reaction appears the same in reaction 3 so the potential is the same. Second, negative voltages indicate non-spontaneity and positive voltages are spontaneous.
Muddasir
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National University of Science and Technology (NUST), Bachelor, Electrical Engineering.
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