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.