The standard reaction gibbs energy for the electrochemical reaction. C – InterviewSolution

1.

The standard reaction gibbs energy for the electrochemical reaction. Cr2O2−7+2Fe+14H+→2Cr3++2Fe3++2H2O is −793 kJ mol−1. The standard cell potential is:

Answer»

The standard reaction gibbs energy for the electrochemical reaction.

$C r_{2} O_{7}^{2 -} + 2 F e + 14 H^{+} \to 2 C r^{3 +} + 2 F e^{3 +} + 2 H_{2} O$ is $- 793 k J m o l^{- 1}$ . The standard cell potential is:

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