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Calculate ?G?rxn and K for each of the following reactions. Part A The reaction of Cr2+(aq) with Cr2O2?7(aq) in...

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Chemistry

Calculate ?G?rxn and K for each of thefollowing reactions.

Part A

The reaction of Cr2+(aq) withCr2O2?7(aq) in acid solution to formCr3+(aq).
Calculate ?G?rxn.

Part B

Calculate K.

Express your answer using two significant figures.

Part C

The reaction of Cr3+(aq) and Cr(s) to formCr2+(aq). [The reduction potential ofCr2+(aq) to Cr(s) is -0.91 V.]
Calculate ?G?rxn.

Express your answer using two significant figures.

Part D

Calculate K.

Express your answer using one significant figure.

Answer & Explanation Solved by verified expert
3.8 Ratings (609 Votes)
Part 16Cr2 Cr2O72 14H8Cr3 7H2OEocell 133 05 183 VWe have Nernst equationGo nFEo 6 x 96485 x 183 10594053    See Answer
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