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chemistry

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1. If half cell A has a standard reduction potential of E= -1.10 V and half cell B has a standard reduction potential of E= 0.65 V, which half-cell is the anode?

2. Which half cell has the higher potential energy?

3. Calculate Ecell for this voltaic cell.

  • chemistry -

    A + e ==> A^- Eo = -1.10vb
    B + e ==> B^- Eo = 0.65v
    ----------------------
    For a spontaneous cell A must be reversed; therefore,
    A^- ==> A + e E = 1.10
    B + e ==> B^- E = 0.65
    ------------------------
    A^- + B ==> A + B^-
    Ecell = 1.10 + 0.65 = ?

    The anode is where oxidation occurs and oxidation is the loss of electrons; therefore, A^- must be the anode.

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