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A wastewater has been characterized for nitrogen-containing compounds and the total nitrogen was 26 mg N/L, the total kjeldahl nitrogen was 14 mg N/L, and the nitrate was 27.3 mg N03-/L. What is the potential theoretical oxygen demand (mg O2/L) associated with nitrogen species in the wastewater. My teacher said there should be a way to relate all of these together to find the answer, but I cannot figure out their relationship.
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D.
Apply the steady state approximation to determine expressions for the rate of production of methane, CH4, and of ethane, C2H6.
Calculate the maximum Cu(2+) contamination os the acid in moles Cu(2+) per liter. What is the corresponding contamination if the hydrogen partial pressure is reduced to 10^-4 atm
When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction
Give the number of electrons, Protons and neutrons in 24NA and give the electron configuration of the following A: A1 B: F- (- is at the top)
A TLC plate showed two spots with Rf values of 0.25 and 0.26. The plate was removed from the developing chamber, the residual solvent was allowed to evaporate from the plate, and then the plate was returned to the developing chamber
A chemist is trying to determine the amount of CaCO3 in an antacid tablet. She dissolves the tablet in water and titrates it with HCl according to the following reaction
A gas expands and does P-V work on the surroundings equal to 283 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system
The activation energy of the orginal pathway is 106 KJ/mol. What is the activation energy of the new pathway, all other factors being equal?
Develop a stoichiometry problem that includes finding a mass of reactant/product from another mass of reactant/product.
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear? 91.0 kj/mol
The molar heat capacity of silver is 25.35 j/mol C. How much energy would it take to raise the temperature of 10.0g of silver by 14.8 C. what is the specific heat of silver
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