Electrochemistry

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Author:
Anonymous
ID:
193221
Filename:
Electrochemistry
Updated:
2013-01-16 15:21:13
Tags:
Chemistry
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Description:
Advanced Higher Chemistry - Unit Two - Electrochemistry
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  1. In an electrochemical cell what form is the electrolyte often in?
    The form of a salt bridge
  2. What is the emf of a cell?
    The electric potential difference between the electrodes of the cell
  3. What equation can be used to work out the emf of a cell?
    emf = E(right) - E(left)
  4. What does cell emf depend on?
    • The concentration of reactants
    • Temperature
    • The type of cell
  5. The more positive the E˚ value (emf) the _____ an oxidising agent it will be?
    better
  6. The more negative the E˚ (emf) value the ______ an oxidising agent it will be?
    worse
  7. What equation is used to work out the standard free energy change for a cell reaction?
    ΔG˚= -nFE˚

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