Differentiate between a voltaic, a concentration and an electrolytic cell and give example for each cell. Write the half-cell reaction and indicate what happens at the anode and cathode. Write the cell notation for each cell.

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a) A voltaic cell is constructed from a standard Co²⁺|Co half cell (EÂ°_red = -0.280V) and a standard F₂|F^- half cell (EÂ°_red = 2.870V). what is anode reaction ? and what is cathode? and what is spontaneous cell reaction ? The cell voltage is

B) A voltaic cell is constructed from a standard Co²⁺|Co half cell (EÂ°_red = -0.280V) and a standard Cr³⁺|Cr half cell (EÂ°_red = -0.740V). what is anode reaction ? and what is cathode? and what is spontaneous cell reaction ? The cell voltage is

C) A voltaic cell is constructed from a standard Hg²⁺|Hg half cell (EÂ°_red = 0.855V) and a standard Cu²⁺|Cu half cell (EÂ°_red = 0.337V). what is anode reaction ? and what is cathode? and what is spontaneous cell reaction ? The cell voltage is

Consider the voltaic cell

Write the half-cell reactions and the overall cell reaction. Make a sketch of this cell and label it. Include labels showing the anode, cathode, and direction of electron flow.