half-reaction potentials to predict whether the following reactions are spontaneous or non-spontaneous in aqueous solutions. a. Ca2+(aq) + 2 I-(aq) = Ca(s) + I2(aq)  b. H2S(g) + O2(g) = 2 H2O(l) +

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.44QE: For each of the reactions, calculate E from the table of standard potentials, and state whether the...
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Use half-reaction potentials to predict whether the following reactions are spontaneous or non-spontaneous in aqueous solutions.
a. Ca2+(aq) + 2 I-(aq) = Ca(s) + I2(aq)
 b. H2S(g) + O2(g) = 2 H2O(l) + 2 S(s)

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Can you show the reduction and oxidation half reactions for #2

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