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Problem 12.27: Use the UNIFAC equation to do the following calculations for the system methanol(1)- acetic acid(2): a) Calculate the Pxy graph for this system at 80 °C. b) Do you expect the volume of the system to expand or to contract upon mixing the pure components? c) Calculate the fugacity of methanol in solution with acetic acid at xMeOH = 0.8, 80 °C, 0.4 bar. d) Repeat the previous calculation at the bubble pressure of the solution instead of 0.4 bar. e) Calculate the chemical potential of methanol in solution with acetic acid at xMeOH = 0.8, 80 °C, 0.4 bar. The reference state is the pure liquid at 80 °C, 0.4 bar. How is your answer affected by the fact that methanol is in the vapor phase at 80 °C, 0.4 bar? f) Repeat the previous part if the reference state is the pure liquid at saturation at 80 °C. Additional data: The saturation pressures of methanol and acetic acid at 80 °C are 1.81 and 0.2763 bar, respectively.
Determine the current needed in the coil to produce a flux density of 1 T in the center limb, if the excitation coil has 500 turns.
Determine the readings of the two watt meters WA and WC, and verify that the sum of these readings equals the total power in the load.
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
Suppose the various color frequency and intensity values that comprise a color analysis are combined into a single numerical value, C, for a particular yellow dye. During a test period in which the reactor conditions are carefully controlled and t..
determine the standard rate of return on the investment.
Design a reactor system to produce 40 metric tons per year of riboflavin using the strain given in the patent.
Using the data on equipment costs given in this chapter or commercial cost estimating software, estimate the cost of the following equipment:
adsorption and membrane processeszeolites are used to adsorb a wide range of solutes from vapour and gas streams. what
When delivering rated load a 10-kW, 230-V self-excited shunt generator has an armature-circuit voltage drop that is 6% of the terminal voltage and a shunt-field current equal to 4% of the rated load current Calculate the resistance of the armature..
Compare MACRS depreciation and straight-line depreciation: based solely on the tax effects, which depreciation method (SL or MACRS) would yield a higher net present value for the project?
Write four balanced equations for this system. Identify where any constitutive equations may be required for the modelling processes.
Example introduced a heat exchange system revamp problem. If the plate heat exchanger E101 in Figure 2.19 is the gasketed-plate type, then the exchanger area can be increased by adding plates to the exchanger. How much additional area must be adde..
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