Consider the following acid-base reaction:Fe3+(aq) +3H2O -Fe(OH)3 (s) + 3H*←A. Using thermodynamics, calculate the equilibrium constant K at 25°C (The AG° of formation ofFe(OH)3(s) is -699 kJ/mol).B. Using the value of K you calculated in part a, if a solution contains 10-4 M Fe3+ and has a pH of 7.5,will Fe(OH)3(s) precipitate? Show all calculations necessary to justify your answer. Note that thereaction as written is for precipitation, not dissolution like Ksp-

Since Q<K, the reaction is not at equilibrium, and precipitation will not occur because the…

Answered: Consider the following acid-base…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider the gas-phase reaction for the synthesis of methanol from CO and O₂: CO + 2H₂ CH3OH. The value of the equilibrium constant Kp at 500 K is 6.23 x 10-³. Initially equimolar amounts of CO and H₂ are introduced into the reaction vessel. Determine the equilibrium mole fractions at 500 K and 30 bar.
Consider the following reaction: 4NH3(g) + 5O2 (g) → 4NO (g) + 6H2O(g) a container were to have only 10 molecules of O2 and 10 molecules of NH3 (g) , how many total molecules (reactant and product) would be present in the container after the above reaction goes to completion?ing “microscopic” pictures, draw the total molecules present inside the container after the reaction occurs.at mass of NO(g) is present in the container after the reaction occurs? (Report your final answer to 4 significant figures.)
A. What is the maximum solid solubility of Cu in Ag? At what temperature? Write the Ag-Cu eutectic reaction, indicating the reactant and product phase(s), and the temperature and the composition (as wt% Cu) at which the reaction takes place.
For the reaction H2(g) + Br2(g) 2HBr(g), Kc = 81.4 at 385ºC. If [H2] = [Br2] = [HBr] = 1.6 × 10–2 M at 385ºC, which one of the following is correct? Group of answer choices The reaction is at equilibrium already. The reaction will proceed in the forward direction because K > 1. The reaction will proceed in the reverse direction to reach equilibrium because Q < K. The reaction will proceed in the forward direction to reach equilibrium.
For the system KNO3-NaNO3-H2O, a ternary point exists at 5°C at which the twoanhydrous salts are in equilibrium with a saturated solution containing 9.04% KNO3 and41.01% NaNO. Determine analytically the maximum weight of KNO3 which can berecovered pure from a salt mixture containing 70 g of KNO3 and 30 g NaNO3 bycrystallization from an aqueous solution at 5°C. Draw the phase diagram and show your solution.
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An FCC iron-carbon alloy initially containing 0.35 wt% C is exposed to an oxygen-rich and virtually carbon-free atmosphere at 1400 K (1127°C). Under these circumstances the carbon diffuses from the alloy and reacts at the surface with the oxygen in the atmosphere; that is, the carbon concentration at the surface position is maintained essentially at 0 wt% C. (This process of carbon depletion is termed decarburization.) At what position will the carbon concentration he 0.15 wt% after a 10-h treatment? The value of D at 1400 K is 6.9 x 10m²'s
An iron-carbon alloy initially containing 0.240 wt% C is exposed to an oxygen-rich and virtually carbon-free atmosphere at 1100°C. Under these circumstances the carbon diffuses from the alloy and reacts at the surface with the oxygen in the atmosphere; that is, the carbon concentration at the surface position is maintained essentially at 0.0 wt% C. At what position will the carbon concentration be 0.180 wt% after a 7 h treatment? The value of D at 1100°C is 3.7 × 10-11 m2/s.
use JANAF tables from internet
The standard enthalpy of formation of solid barium oxide, BaO, is –553.5 kJ/mol, andthe standard enthalpy of formation of barium peroxide, BaO2, is –634.3 kJ/mol.(a) Calculate the standard enthalpy change for the following reaction. Is the reactionexothermic or endothermic?2 BaO2(s) → 2 BaO(s) + O2(g)(b) Draw an energy level diagram that shows the relationship between the enthalpychange of the decomposition of BaO2, to BaO and O2, and the enthalpies of formationof BaO2(s) and BaO2(s)
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An FCC iron–carbon alloy initially containing 0.35wt% C is exposed to an oxygen-rich and virtually carbon-free atmosphere at 1450K (1177 degree C). Underthese circumstances the carbon diffuses from the alloy and reacts at thesurface with the oxygen in the atmosphere; that is, the carbon concentration atthe surface position is maintained essentially at 0 wt% C. (This process ofcarbon depletion is termed decarburization.) At what position will thecarbon concentration be 0.15 wt% after a 15-h treatment? The value of D at1400 K is 6.9 x 10^(-11)m^2/s.

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