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The physical separation of crude petroleum into fractions is based on boiling point differences among components present
M.r eric castilo purchased alot for PH 1300000 and sold them 2 years later for PH1900000. At what rate did his money earn?
The next generation "ultra supercritical" power plants may operate with steam pressures of up to 300 bar. However, material strength limitations prevent operation of high pressure equipment at temperatures above 600 C.
The pKa of benzoic acid is 4.2, whereas that of carbonic acid, H2CO3, is 6.4. On the basis of this information, would aqueous sodium bicarbonate be sufficiently basic to deprotonate benzoic acid? Explain your reasoning.
What is the specific enthalpy and specific volume of steam at 350 c and 60 bar? Is this steam super heated or saturated?
Baseball reporters say that long fly balls that would have carried for home runs in July "die" in the cool air of October and are caught. The idea behind this observation is that a baseball carries better when the air is less dense. Dry air is a m..
Assuming no change in volume, How much will the pH of the Acetic acid change? How much will the percent ionization of the acetic acid change
A current of 0.0100 A is passed through a solution of rhodium sulfate, causing reduction of the metal ion to the metal. After 3.00 h, 0.038 g of Rh has been deposited. What is the charge on the rhodium ion, Rhn+? What is the formula for rhodium su..
The production capacity for acrylonitrile (C3H3N) in the United States is over 2 billion pounds per year. Acrylonitrile, the building block for polyacrylonitrile fibers and a variety of plastics, is produced from a gaseous propylene, ammonia, and ..
The acid-dissociation constant of hydrocyanic acid(HCN) at 25.0C is 4.9x10^-10. What is the pH of a aqueous solution of 0.080M sodium
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
Which of the following has the smallest mass? a. 3.50 x 1023 molecules of I2
what is the change in internal energy of a system that absorbs 0.570 kj of heat from its surrounding and has 0.843 kcal of work done on it give in scientific notation
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