Galvanic Cells

In a Galvanic Cell, the anode is...

• positive

• negative

In a Galvanic Cell, the cathode is...

• positive

• negative

Oxidation occurs at the...

• anode

• cathode

Reduction occurs at the...

• anode

• cathode

E_cell =

• E_red - E_ox

• E_red + E_ox

• E_ox - E_red

• E_ox + E_red

In a Galvanic cell, the electrons flow from the...

• anode to the cathode

• cathode to the anode

In a Galvanic Cell, the salt bridge...

• completes the circuit so that electrons can flow through the wire

• maintains charge balance

• is soaked in an unreactive electrolyte such as KNO₃

• all of the above

In the above Galvanic Cell, which half cell is undergoing reduction?

• Cu | Cu²⁺

• Zn | Zn²⁺

If an electrochemical reaction is spontaneous, what will E_cell be?

• positive

• negative

Consider the galvanic cell reaction Zn (s) + Cu²⁺ (aq) → Cu (s) + Zn²⁺ (aq) When the cell is running spontaneously, which is the only true statement?

• The copper electrode loses mass and the zinc electrode is the cathode.

• The copper electrode gains mass and the copper electrode is the cathode.

• The zinc electrode gains mass and the zinc electrode is the anode.

• The zinc electrode loses mass and the zinc electrode is the cathode.