Chemistry · Chapter 17

Electrochemistry

Chemistry that moves electrons through a wire

How many of this chapter's six lessons you have ticked off0/6ch 17

ticked off this visit

Six lessons cover this chapter, one for each section. Open any of them on its own below, or meet it in place inside chapter 17 of the book. Tick a lesson off once you can predict what it will do before you touch it.

1

Balancing redox half-reactions

Balance half-reactions in acid and in base.

2

Galvanic cells

Build a cell, name the electrodes and follow the electrons.

3

Standard reduction potentials

Pick two half-cells and compute the standard cell potential.

4

Cell potential, free energy and K

Convert between Ecell, ΔG and K.

5

The Nernst equation and batteries

Change concentrations and watch cell potential move.

6

Electrolysis and corrosion

Drive a nonspontaneous reaction and protect iron from rust.

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