The disproportionation of MnO2 (s) to Mn²+ (aq) and MnO, (aq) in acid solution at 25 °C [The reduction potential of MnO, (aq) to MnO2 (s) is 1.68 V.] Calculate AGxn . Express your answer using two significant figures. ΑΣφ AGm =-.45 • 10³ kJ Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part D Calculate K. Express your answer using one significant figure. ΑΣφ K = 1• 1079 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining

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The disproportionation of MnO2 (s) to Mn2+ (aq) and MnO, (aq) in acid solution at 25
°C [The reduction potential of MnO, (ag) to MnO2 (s) is 1.68 V.]
Calculate AGTX .
Calculate AGxn and K for each of the following
reactions.
Express your answer using two significant figures.
1] ?
AGixn
– 45 • 10³
kJ
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Part D
Calculate K.
Express your answer using one significant figure.
Π ΑΣφ
?
K = 1• 109
%3D
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Transcribed Image Text:The disproportionation of MnO2 (s) to Mn2+ (aq) and MnO, (aq) in acid solution at 25 °C [The reduction potential of MnO, (ag) to MnO2 (s) is 1.68 V.] Calculate AGTX . Calculate AGxn and K for each of the following reactions. Express your answer using two significant figures. 1] ? AGixn – 45 • 10³ kJ Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part D Calculate K. Express your answer using one significant figure. Π ΑΣφ ? K = 1• 109 %3D Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
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