Ch.19 Electrochemistry

Question 1

In galvanic/voltaiccells ooxidation always occurs at the _____.

Answer 1

Anode (-)

Question 2

In galvanic/voltaic cells reduction always occurs ar the ______.

Answer 2

Cathode (+)

Question 3

Galvanic cells only work if the redox reaction is ____?

Answer 3

Spontaneous

Question 4

Galvanic cells only work if E^o for the cell is ____.

Answer 4

Positive

Question 5

Cell potentials are all referenced to the ____.

Answer 5

Standard Hydrogen Electrode

Question 6

All voltages are measured against the?

Answer 6

Standard hydrogen electrode

Question 7

In Electrolytic cells oxidation always occurs at the ____?

Answer 7

Anode (+)

Question 8

In Electrolytic cells reduction always occurs at the ____?

Answer 8

Cathode (-)

Question 9

Electrolytic cells only function if they’re ____.

Answer 9

Non spontaneous

Question 10

In a lead acid battery what happens to the pH and the density from the reactants to the products?

Answer 10

The pH increases becoming more neutral.

The density decreases from H2SO4 to H2O.