Do Now - AP - Galvanic and Voltaic Cells

Which species is oxidized in the following reaction?

• Ag
• Ag⁺
• Cu
• Cu²⁺

What reaction occurs at the anode?

• Ag⁺ + e^- →Ag
• Ag → Ag⁺ + e^-
• Ni²⁺ + 2e^- → Ni
• Ni → Ni²⁺ + 2e^-

This electrode in a voltaic cell loses mass 

• Anode
• Cathode

What is a cathode?

• It is the electrode where oxidation takes place.

• It is the electrode where reduction takes place.

• It is an aqueous solution containing an electrode.

• It is the salt bridge that connects half-cells.

Calculate the cell potential of voltaic cell

• –1.51
• - 0.03
• +0.03
• +1.51

What does E_cell need to be for a galvanic cell?

• • positive

• negative

Thermodyncamically unfavorable reactions where a power source is needed

• Galvanic Cell

• Electrolytic Cell

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⁺