Chemistry: disproportionation
Tutoring chemistry, you likely touch on redox. The tutor shows a disproportionation.
disproportionation: a reaction in which the same species both oxidizes and reduces.
Example:
Cu+ → Cu2+ + e– E=-0.153
Cu+ + e– → Cu(s) E=0.521
The above disproportionation, theoretically, is spontaneous, since the potentials (E) sum positive (0.368V in this case).
Source:
Mortimer, Charles E. Chemistry, 6th ed. Belmont: Wadsworth, 1986.
Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.
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