How is an electrochemical cell set up?

Why does a voltage form?

Why is a high resistance voltmeter used?

Why is the salt bridge used?

How is a salt bridge usually made?

What would happen if the current was allowed to flow?

What are the rules for writing a cell diagram?

What do you do if the system does not include a metal, but instead a gas?

What if a half equation contains balancing coefficients and H+'s and electrons. Do you include them in the cell diagram?