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You have been assigned the task of measuring the equilibrium constant for the reaction N2O4 2NO2 as a function of temperature. To do so, you obtain a rigid 2-liter vessel equipped with a pressure gauge evacuate and then fill the vessel with a mixture of NO2 and N204, and heat the vessel to T0 = 473 K, a temperature at which you know the gas is essentially pure NO2. The gauge pressure at this point is noted to be 1.00 atm. You then decrease the temperature in stages, recording the equilibrium gauge pressure at each temperature. The data are as follows:
(a) How many gram-moles of NO2 are in the vessel at 473 K?
(b) The reaction equilibrium constant is Kp = P2NO2 / PN2O4 where and PN2O4 are the equilibrium partial pressures of NO2 and N2O4. Derive an equation or a series of equations for calculating Kp (atm) from specified values of T and P gauge. (Suggestion: Begin by defining a1 and n2 as the moles of NO2 and N2O4 present at equilibrium.) Then calculate Kp for T = 350 K, 335 K. 315 K, and 300 K. (Suggestion: Use a spreadsheet program.)
(c) The equilibrium constant should vary with temperature according to the relation Kp = ae-b/T use the results of part (b) to determine the values of a and b by a graphical curve-fitting procedure. [Suggestion: Use the spreadsheet program from part (b).]
Does the current through the battery increase, decrease, or remain the same? Justify your answer.
Find the slip at which the maximum developed torque occurs.
Into a barrel containing 33.2 bbl (US) of water containing 0.0012 mol/L of a blue dye you pour V2 yd3 of water containing 8.91 M of the dye. The final concentration of the dye in the barrel is 7.91 mol/m3 after it's well-mixed. What is V2 is yd^3?
A large CSTR, small CSTR and PFR of fixed volume are available. In general, how wouldyou arrange them for getting maximum conversion forreactions of order >1 and1 arrangement is PFR followed by small CSTR followed by large CSTR tomaintain the reac..
A fixed-bed reactor is to be designed for a hydrocracking process. The reactor will treat 320,000 lb/hr of vacuum gas oil (specific gravity 0.85) in the presence hydrogen at 650 ºF, 2000 psig, 1.0 weight hourly space velocity (WHSV).
A beaker filled with an equimolar liquid mixture of ethyl alcohol and ethyl acetate evaporates at O°C into still air at 101 kPa (1 atm) total pressure. Assuming Raoult's law applies, what will be the composition of the liquid remaining when half t..
Find the slip and the rotor frequency at full load.
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?
Develop a pro forma income statement for this strategy project in its 1st year of operation (Only to the level of EBIT)First identify the major cost drivers for this recommended entry strategy
Design a storage and feed system for the sorbitol powder. Sorbitol has average bulk density 1.48 kg/liter, and can be assumed to have an average particle size of 200 μm.
If 1000 tons/day of wet sugar is fed to the evaporator, how much additional water must be removed from the outlet sugar to dry it completely, and what annual revenue can be expected if dry sugar sells for $0.15/lbm?
Determine the output voltage. Then indicate how the circuit may be modified to perform as a summer.
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