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Petroleum savings via ethanol use: The production of ethanol for use in liquid fuels has beenheavily subsidized in recent years. 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 crude oilthat the U.S. saves per year via the displacement of gasoline by ethanol. b. Burning of ethanol isalso more favorable than burning of gasoline from a carbon-emissions standpoint.
Calculate thetonnage of CO2 saved per year by displacement of gasoline with ethanol in the U.S. c. Find theamount of oil consumed in the conversion of corn to ethanol. Compare this to the amountconsumed during the oil refining process which supplies us with gasoline d. What factors havebeen left out of this calculation so far? Find references for the magnitudes of these factors, andsum up the total amount of petroleum saved in a year, and total amount of CO2 saved in a year.
The opposite surface of a slab A and B are maintained at 100 degree and 70 degree respectively ,if the steel plate measures 10cm thick estimate the heat transfer rate across the slab and the temperature recorded by a ther mocouple embedded 3cm fro..
Determine which of the following 3 material substrates would have the best R-value or lowest thermal conductivity. The purpose is to determine which of the 3 materials would make the best insulator to heat and cold?
An effluent disposal contractor is considering entering the recycled field. At present he incinerates an organic waste containing recoverable solvents and dumps the aqueous based effluent containing acids and metals.
You are the project manager of a team that has been asked to complete the design of a chemical plant up to the stage of design selection. You have three engineers available (plus yourself) and the work must be completed in ten weeks. Develop a pro..
To determine the Ksp value of Hg2I2, a chemist obtained a solid sample of Hg2I2 in which some of the iodine is present as radioactive 131I. The count rate of the Hg2I2 sample is 5x10^11 counts per minute per mole of I. An excess amount of Hg2I2(s)..
Fresh rainwater or surface water contains enough tritium ( ) to show 5.5 decay events per minute per 100. g of water. Tritium has a half-life of 12.3 years. You are asked to check a vintage wine that is claimed to have been produced in 1946.
HEAT TRANSFER PROBLEMS NO16- Water flowing in a steel pipe of diameter 0.02 m is to be cooled from 40 to 30 oc . The velocity of water in the steel pipe is 1.5 m/s .
question 1a what are the four significant physical parameters that you would use to assess the thermal comfort of
the equilibrium constant K for the reaction - what is the concentration of SO3 at equilibrium?
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?
The massive emission of carbon dioxide (CO2), the major component of greenhouse gasin the environment, is receiving significant attention around the world. This has led tonumerous proposals to sequester or eliminate the CO 2. One of the options is..
Adipic acid is used in the manufacture of nylon 6,6. It is made by hydrogenation of phenol to a mixture of cyclohexane and cyclohexane (known as KA oil-ketone and alcohol), followed by oxidation with nitric acid.
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