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100 moles of a fuel containing methane and butane is burned with 25% excess air in a furnace producing stack gas at 300 degrees C and 105 kPa. Determine the amount of 100 psi saturated steam that can be produced from water fed in at 10 degrees C, if
a) The stack gas does not contain methane, butane or CO,
b) The dew point of the stack gas is 58 degrees C, and
c) The air enters at 20 degrees C as dry air.
In assessing the success of these programs, it's important tokeep the entire life cycle of ethanol fuels in mind. a. Up to 10% by volume of gasoline in theU.S. may consist of corn-based ethanol. Using this information, calculate the amount of crud..
The leaving vapors will contain water vapor at a pressure equivalent to the equilibrium vapor pressure of water at 15°C. If a suction pressure of 2.0 in Hg absolute is to be maintained by the jet, estimate the pounds of steam required per hour to ..
What is the order of the overall transfer function, G(s) = V(s)/U(s)? (b) What is the gain of G(s)? Under what condition(s) is the process gain negative?
Calculate the stoichiometric reactant ratio (mol H2 react/mol C2H2 react) and the yield ratio (k mol C2H6 formed/k mol H2 react).
Are the values of ak from part (c) what you would expect for this signal? Justify your answer clearly. (f) Suppose you wish to model the signal now with p = 3. Write the normal equations for this case.
Acetylene is formed as a by-product in the manufacture of ethylene. It is removed by selective hydrogenation using noble metal catalysts (see, for example, US 7,453,017). A particular catalyst achieves 90% acetylene saturation with 50% hydrogen se..
Write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the following are mixed.
What is the best way to find out information regarding the toxicity of a specific nanomaterial?
Is the resulting solution neutral? If not, calculate the concentration of excess H or OH ions left in solution.
A steam turbine, operating reversibly and adiabatically, takes in superheated steam at 2000 Wa and discharges at 50 kPa.
Calculate the heat that must be supplied to the system to maintain isothermal conditions.
A freshly prepared sample of a certain radioactive isotope has an activity of 10 mCi. After 4 h, the activity is 8 mCi.
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