Use the standard half-cell potentials listed below to calculate ...

[Lisaclaire]

Question 1

Which of the following reactions would be the most spontaneous at 298 K?
◦ A + B → C; E°cell = +1.22 V
◦ A + B → 2 C; E°cell = -0.030 V
◦ A + B → 3 C; E°cell = +0.15 V
◦ A + 2 B → C; E°cell = +0.98 V
◦ A + B → C; E°cell = -1.22 V

Question 2

Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25 °C. (The equation is balanced.)

3Cl2(g) + 2Fe(s) → 6Cl⁻(aq) + 2Fe3+(aq)

Cl2(g) + 2 e⁻ → 2Cl⁻(aq)

E° = +1.36 V

Fe3+(aq) + 3 e⁻ → Fe(s)

E° = -0.04 V

◦ +4.16 V
◦ +1.32 V
◦ -1.40 V
◦ +1.40 V
◦ -1.32 V

[lucas dlamini]

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[Inconcieveabricks]

thanks