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Lesson 1: Galvanic Cells, Standard Hydrogen Electrode and Electrochemical Series — Picture questions (exam style)

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1.
Three hypothetical elements and their reduction potentials are tabulated. Which option is correct?
Three hypothetical elements and their reduction potentials are tabulated. Which option is correct?
strongest reducing agent: X, element that displaces neither of the others: X
strongest reducing agent: Y, element that displaces neither of the others: Y
strongest reducing agent: Z, element that displaces neither of the others: Z
strongest reducing agent: X, element that displaces neither of the others: Z
2.
Calculate ΔG° (kJ mol−1) for the cell reaction shown (F = 96 500 C mol−1).
Calculate ΔG° (kJ mol⁻¹) for the cell reaction shown (F = 96 500 C mol⁻¹).
-430.4 kJ/mol
430.4 kJ/mol
-215.2 kJ/mol
-107.6 kJ/mol
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