Electrochemistry

Question 1

Where do the electrons flow in a galvanic cell?

Answer 1

From anode to cathode

Question 2

Where does current flow in a galvanic cell?

Answer 2

From cathode to anode

Question 3

What is Ecell?

Answer 3

The cell potential of the cell. (Also called electromotive force or emf)

Question 4

What is a Volt?

Answer 4

1 joule / coulomb

Question 5

Do coefficients affect cell potential?

Answer 5

No.

Question 6

What electrode is indicated in line notation if all substances are gaseous on one side?

Answer 6

A platinum electrode. (Pt)

Question 7

Is a positive cell potential (Ecell) spontaneous or non spontaneous?

Answer 7

Spontaneous.

Question 8

What is delta G?

Answer 8

Gibbs free energy or Sponteneity.

Question 9

How do you determine nonstandard cell potential from standard cell potential?

Answer 9

The Nernst equation.
Ecell = E* - (.0592/n) log(Q)
Where Q = [Products]/[Reactants]

Question 10

How do you calculate metal plating?

Answer 10

q/nF = moles of metal
Where q = I x t
I = amps