10 B/C - Chem HW

posted Apr 27, 2015, 6:34 AM by Ms. Laryssa Kramarchuk   [ updated Apr 27, 2015, 8:01 AM by FMHS Web Admin ]
1. Complete the post lab questions

Zn(s) + Cu2+(aq) →  Zn2+(aq) + Cu(s)

1.  Did oxidation occur at the anode or the cathode?  Did reduction occur at the anode or the cathode?

2.In which direction did electrons flow?

3. Write the half reaction that occurred at the anode.

4. Write the half reaction that occurred at the cathode.

5.  Which modifications were most effective in increasing the potential difference generated by the cell?  Why do you think these changes led to a greater potential difference?



2. Do now quiz tomorrow on voltaic cells

3. Test on Wed. April 29

4. Lab Report Due Friday. Rubric is attached. 
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