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Redox Reaction

Q. Be sure to answer all parts. Use the emf series to arrange the following species in order of decreasing strength as reducing agents: SO2, PbSO4, MnO2.

Solved • Jul 9, 2019

Redox Reaction

Q. A voltaic cell is constructed with a Cu/Cu2 half cell and a Ni/Ni2 half cell. The nickel electrode is negative. Write both balanced half-reactions and the overall reaction. Recall that states of matter are not included for electrons transferred in the reaction but be sure to include states of matter for the other materials in your reaction statement. Reduction half reaction: Oxidation half reaction: Cherall reaction:

Solved • Jul 9, 2019

Redox Reaction

Q. What is the proper arrangement for the order of increasing strength as a reducing agent?

Solved • Jun 14, 2019

Redox Reaction

Q. Rank these species by their ability to act as oxidizing agent Li+, sn2+, cr3+, and Au3+

Solved • May 6, 2019

Redox Reaction

Q. Calculate the standard emf of a cell that uses Ag/Ag+ and Al/Al3+ half cell reactions. Write the cell reaction that occurs spontaneously under standard-state conditions.

Solved • May 1, 2019

Redox Reaction

Q. In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical equation describing this reaction (using the lowest whole-number coefficients). Show the oxidizing and reducing agents, as well as, the number of electrons transferred.

Solved • Apr 30, 2019

Redox Reaction

Q. For the hypothetical reaction: A+ + B → A + B+ What is the cell potential given the following standard reduction potentials for the half cells: A+ + e− → A -1.95 V B+ + e− → B -0.19 V

Solved • Apr 29, 2019