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Problem 9.1:
A stream that contains a mixture of methane (25% by mol) and carbon monoxide is compressed from 1 bar, 35 to 12 bar. The compressor efficiency is 90%. Treating the mixture as an ideal gas, calculate the required work. Additional data: CPA = 40.8 J/mol K, CPB = 29.4 J/mol K (A = CH4 , B = CO). Problem 9.2:
Air is compressed from 1 bar, 25 °C to 50 bar, and subsequently is cooled to 300 K using cooling water. Assuming air to be an ideal-gas mixture and the compressor to be 100% efficient, calculate the work in the compressor and the heat removed in the heat exchanger per mol of air. Assume air to be ideal-gas mixture (79% N2 , 21% O2 ) and use the heat capacities given in Perry's Handbook.
Write the balanced formula, complete ionic, and net ionic equations for the reactions that occur when the following are mixed. a. potassium hydroxide (aqueous) and nitric acid
If one of the machines has its field excitation adjusted such that it delivers 125 A lagging current, determine the armature current, power factor, excitation voltage, and power angle of each machine.
Calculating the Maximum Volume of Fermentor that can be used without Additional Cooling, The heat generated by fermentor is 60 kcal/hr L. The cooling capacity of jacket is 10,000 kcal/hr m^2. For a cylindrical fermentor with H/D of 3, the jacket a..
Two moles of benzene are mixed with 3 moles of acetonitrile under constant temperature and pressure at 45 °C and 33 kPa. What is the phase of the mixture (vapor, liquid, or mixed)?
Derive an expression for Concentration of substrate versus the length of the packed bed reactor as a function - determine the Vm" (mol/m2s) value necessary to convert 80% of the substrate to product in the reactor.
Take the saturation temperature of n-propanol at 2.1 bar as 118oC. The otherphysical properties required can be found in the literature, or estimated.
Calculate the ratio of the network over the amount of heat absorbed at the high temperature of the cycle. How does this value compare to the theoretical efficiency of the Carnot cycle that is calculated based on the two operating temperatures?
What thickness of insulation should be used
Aqueous sulfuric solutions containing 15.0 wt% H2SO4 and 80.0 wt% H2SO4 are mixed to form a 30.0 wt% product solution. The 15 % solution was in a lab in which the temperature was 77 F. The 80% solution had just been taken from a storage cabinet in an..
What's an appropriate rule of thumb for dealing with "magic numbers" (empirical parameters) in the development of an image analysis algorithm?
A rectangular loop is placed in the field of an in- finitely long straight conductor carrying a current of I amperes, as shown in Figure P12.1.2. Find an expression for the total flux linking the loop, assuming a medium of permeability µ.
Calculate the tower height, Z, and tower diameter, D, needed so that the Z/D ratio is about 4 and at this optimum condition, what are the values of f, Tez, and air flow rate, G?
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