Calculate the emf at 298.15 K generated by the oxidation of Fe2+ by O2 in acidic solution, according to the following reaction: O2(g) + 4H+(aq) + 4Fe2+(aq) ⟶ 4Fe3+(aq) + 2H2O(l) when [H+] = 0.003 M, [Fe3+] = 2.5 x 10 – 4 M, and [Fe2+] = 0.18 M. Also, write the complete (oxidation/reduction) half-reactions.

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A: The given reaction is : 2Fe(s) + 3MoO2-4 (aq) + 6H+(aq) → Fe2O3(s) + 3MoO2(s) + 3H2O(l)

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Q: ne the value of AG at 298 K for the reaction,

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A: (a)

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Q: 5. Using the following data, calculate the equilibrium constant at T=1500 K for the reaction H2 (g)…

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Q: What is the equilibrium pressure of O 2(g), in bar, over a sample of NiO(s) at 298 K, given that Δ…

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A: Given: H2(g) + I2(g) →← 2HI(g);    ∆Gorxn = + 2.60 kJ/mol

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A:

Q: calculate the ▲G0 for a reaction with a Keq of 1.0 X 103 at 298 K.

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Q: what is the value of Kp at 298 K?

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Q: Suppose that nA = 0.10nB and a small change in composition results in μA changing by δμA = +12 J…

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Q: 3. Fill in the blank in the following Potential Diagram: 0.96 V 0.79 V 1.00 V HNO₂- NO3- -NO₂(g)-…

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A:

Q: At T = 500K, what is the absolute entropy of ammonia with a Cp of 35.8 J/kmol

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Q: 6. What is the standard Gibbs free energy change for the reaction between H202(aq) and Mn²+ in…

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Q: å. Calculate A for the following reaction át 298 K. ClO; (aq) + 5 Cl¯ (aq) + 6 H† (aq) → 3 Cl2 (g) +…

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