(a) The cell in which the following reaction occurs: 2Fe3+(aq)+2I−(a – InterviewSolution

1.	(a) The cell in which the following reaction occurs: 2Fe3+(aq)+2I−(aq)→2Fe2+(aq)+I2(s) has E⊝cell=0.236V at 298 K. Calculate the standard Gibbs energy of the cell reaction. (Given: 2F= 96500 C mol−1) (b) How many electrons flow through a metallic wire if a current of 0.5 A is passed for 2 hours? (Given: 1F= 96500 C mol−1)
Answer» (a) The cell in which the following reaction occurs: $2 F e^{3 +} (a q) + 2 I^{-} (a q) \to 2 F e^{2 +} (a q) + I_{2} (s)$ has $E_{cell}^{⊝} = 0.236 V$ at 298 K. Calculate the standard Gibbs energy of the cell reaction. (Given: 2F= 96500 C $m o l^{- 1}$ ) (b) How many electrons flow through a metallic wire if a current of 0.5 A is passed for 2 hours? (Given: 1F= 96500 C $m o l^{- 1}$ )

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