Electrochemical Cells CheckOut

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Electrochemical Cells Check-Out

• Hand in Pre-Lab. Complex Report, GCF.
• Determine relative reactivity of Mg/Cu/Zn with
  five solutions of H2SO4 , MgSO4 , CuSO4 , Na2SO4
  , and ZnSO4 .
• Voltaic Cells Standard Cells (1 M) of
  (1) Cu/Zn , (2) Cu/Mg , (3) Zn/Mg.
• Concentration Cells of Zn/Cu
  (4) 1 M ZnSO4 with 0.1 M CuSO4 ,
  (5) 0.1 M ZnSO4 with 1 M CuSO4 .

K, Na, Ba, Ca ,Mg ,Al, Mn, Zn, Cr, Cd, Fe, Co,
Ni, Sn, Pb, H, Sb, Bi, As, Cu, Hg, Ag, Pt, Au
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Effect of Concentration on Cell EMF

• The Nernst Equation
• The (simplified) Nernst equation at 298 K
• n is number of moles of electrons.
• Q Reaction Quotient

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Lab Report GCFs Due next Week(Office or
Mailbox)

• Title Page
• Purpose
• Results
• - Part A - Observations Balanced Equations
  for reactions that occurred
• - Part B - Observations Balanced Equations
  Eo
• - Part C - Voltages Explanations/Calculations
• Show work for final voltages/equation i.e. show
  half-reactions with their potentials and how they
  add up to give overall reaction equation.

• Conclusion Summary of results, Errors,
  Improvements
• Individual Checked-Pre-labs