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a. What is E° for the following unbalanced reaction? Fe (s) + O2 (g) + 2H2O (l) → Fe3+ + 4OH- The ultimate products are FeO (OH) and H2O, but they are formed by a nonredox reaction. The hydrated FeO (OH) is what we know as rust.) b. Balance the reaction. c. What are the conditions of the above process?
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Organic Chemistry
Determine the mean ionic Molality and activity for a 0.200-molal solution of Cr(NO3)3 if its mean activity coefficient is 0.285.
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Organic Chemistry
Iron (III) sulfate, Fe2 (SO4)3, decomposes upon heating to make iron(III) oxide and sulfur trioxide by the following reaction: Fe2(SO4)3 (s) → Fe2O3 (s) + 3SO3 (g) Using the phase labels given in the equilibrium reaction, how many degrees of freedom does this equilibrium have?
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Organic Chemistry
Iron (III) sulfate, Fe2 (SO4)3, decomposes upon heating to make iron(III) oxide and sulfur trioxide by the following reaction: Fe2(SO4)3 (s) → Fe2O3 (s) + 3SO3 (g) Using the phase labels given in the equilibrium reaction, how many degrees of freedom does this equilibrium have?
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Organic Chemistry
An ideal solution can be approximated using the liquid hydrocarbons hexane and heptanes. At 25°C, hexane has an equilibrium vapor pressure of 151.4 mmHg and heptanes have an equilibrium vapor pressure of 45.70 mmHg. What is the equilibrium vapor pressure of a 50:50 molar hexane and heptanes solution (that is, x1 = x2 = 0.50) in a closed system? It does not matter which liquid is labeled 1 or 2
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Organic Chemistry
In analogy to ice baths, there are vapor baths that are kept at constant temperature by the equilibrium between the liquid and gas phases. A hexane/ heptanes solution is used to establish a constant 65°C temperature in a closed system that has a pressure of 500.0 mmHg. At 65°, the vapor pressures of hexane and heptanes are 674.9 and 253.5 mmHg. What is the composition of the solution?
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Organic Chemistry
What are ∆mixH, ∆mixU, ∆mixG, and ∆mixS for a system that mixes 1.00 mol of toluene and 3.00 mol of benzene? Assume ideal behavior and 298 K.
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Organic Chemistry
Using a temperature-composition phase diagram like Figure 7.14, predict the general composition of the ultimate distillation product if a solution having a mole fraction x1 of 0.9 is distilled.
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Organic Chemistry
