Name _________________________________________ Date ________________ Class_____________
Voltaic Cells, Example #1
Cu(s)
Zn(s)
Cu+2(aq)
Half Reactions:
_______________________
Balanced Net Reaction:
Zn+2(aq)
______________________________
_______________________________________________________
1. Identify the direction of electron flow 2. Identify the direction in which + ions will move 3. Circle the anode on the diagram. 4. Put a box around the cathode on the diagram. 5. Label each electrode whether it is + or 6. Which electrode will increase in mass? ________________________________ 7.
Which ion concentration will increase? _________________________________
Name _________________________________________ Date ________________ Class_____________
Voltaic Cells, Example #2
Cu(s)
Ag(s)
Cu+2(aq)
Half Reactions:
_______________________
Balanced Net Reaction:
Ag+(aq)
______________________________
_______________________________________________________
1. Identify the direction of electron flow 2. Identify the direction in which + ions will move 3. Circle the anode on the diagram. 4. Put a box around the cathode on the diagram. 5. Label each electrode whether it is + or 6. Which electrode will increase in mass? ________________________________ 7.
Which ion concentration will increase? _________________________________