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For the ammonia synthesis reaction,
the equilibrium conversion to ammonia is large at 300 K, but decreases rapidly with increasing T. However, reaction rates become appreciable only at higher temperatures. For a feed mixture of hydrogen and nitrogen in the stoichiometric proportions,
(a) What is the equilibrium mole fraction of ammonia at 1 bar and 300 K?
(b) At what temperature does the equilibrium mole fraction of ammonia equal 0.50 for a pressure of 1 bar?
(c) At what temperature does the equilibrium mole fraction of ammonia equal 0.50 for a pressure of 100 bar, assuming the equilibrium mixture is an ideal gas?
(d) At what temperature does the equilibrium mole fraction of ammonia equal 0.50 for a pressure of 100 bar, assuming the equilibrium mixture is an ideal solution of gases?
The process used in the manufacture of aniline from nitrobenzene is described in Appendix F, Design Problem F.8, which is available in the online material at booksite.Elsevier.com/Towler. The process involves six significant stages:
Write a balanced equation for the neutralization of hydrochloric acid by each of these substances. Which of these substances will neutralize the greatest amount of 0.10 M HCl per gram? Explain how you arrived at the answer.
A three-phase, wye-connected, 2500-kVA, 6600- V, 60-Hz turbo alternator has a per-phase synchronous reactance and an armature resistance of 10.4 and 0.071 Ω, respectively. Compute the power factor for zero voltage regulation on full load.
During the research that led to production of the two atomic bombs used against Japan in World War II, different mechanisms for obtaining a supercritical mass of fissionable material were investigated.
A brief current pulse of duration 50 ms and amplitude 1 mA is presented to a cell membrane with time constant 10 ms. Find the cell membrane voltage output.
A 2.251-g sample of BARF dissolved in 347.0 mL of solution produces a 0.01267 M solution. What is the molecular formula of BARF?
Each combination is found by adding 3 to the decimal number being coded and translating the result into direct binary form. Set up a table for the excess-3 code for the 10 decimal digits.
The flow rate of methyl acetate in the mixture is to be 100.0lb-mole/h. What must the mixture flow rate be in lbm/h?
Propose a model which will show how temperature in the tank changes with time. State assumption used. Solve this model to obtain T(t) given that T(t=200s) = 50°C.
The wall is well insulated on one side while the other side is exposed to a fluid at 92 degrees Celsius with a convection heat transfer coefficient of h=500 W/m^2.
If the slip-ring voltage is 400 V, when the rotor frequency is 120 Hz, at what speed must the rotor be driven in order to give 150 Hz at the slip-ring terminals? What will the slip ring voltage be in this case?
Calculate the molar fraction of the system in the vapor phase
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