which reaction occurs at the anode of a galvanic cell that has a zinc
electrode in an electrolyte with zinc ions and a copper electrode in an
electrolyte with copper ions? the reduction potential for the reduction of cu2+
= 0.34 v. the reduction potential for the reduction of zn2+ = -0.76 v.
o a. zn2+(aq) + 2e → zn(s)
o b. cu2+ (aq) + 2e i→ cu(s)
o c. cu(s) → cu2+ (aq) + 2e
o
d. zn(s) → zn2+ (aq) + 2e

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

Oxidation-reduction reactions (often called "redox" for short) are reactions that involve the transfer of electrons from one species to another. oxidation states, or oxidation numbers, allow chemists to keep track of these electron transfers. in general, one element will lose electrons (oxidation), with the result that it will increase in oxidation number, and another element will gain electrons (reduction), thereby decreasing in oxidation number. the species that is oxidized is called the reducing agent or reductant. the species that is reduced is called the oxidizing agent or oxidant. to sum up: oxidation = increase in oxidation state = loss of electrons = reducing agent reduction = decrease in oxidation state = gain of electrons = oxidizing agent part a which element is oxidized in this reaction? fe2o3+3co→2fe+3co2 enter the elemental symbol. view available hint(s) is oxidized part b which element is reduced in this reaction? 2hcl+2kmno4+3h2c2o4→6co2+2mno2+2kcl +4h2o enter the elemental symbol. view available hint(s) is reduced

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.