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Write a short notes on neutral ionophores and give some examples
calculate the concentration of so2ppm that must be reached in polluted air in ppm if the dissolved gas is to produce a
A 1- flask is filled with 1.45 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.30 .What is the partial pressure of argon, , in the flask?
A particular x-ray has a wavelength of 1.6 Å. Calculate the energy (in J) of one photon of this radiation. J
The solubility of KNO3 is 38 g/100 g H2O at 20 degrees Celsius and 1.50 times 100 g/100 g H2O at 70 degrees Celsius. A solution is prepared by mixing 45 g of KNO3 in 35 g H2O at 70 degrees Celsius. Will all of the potassium nitrate dissolve at 70 ..
Exposure to a toxicant that induces CYP450 can lead to a situation in a patient wherein larger doses of a particular pharmaceutical must be administered to achieve a therapeutic blood level (due to increased metabolism of the pharmaceutical). This "s..
A reaction X2 + XY + Z2 ? X3Z + YZ (where X,Y,Z are atoms) is shown to have the following rate behavior: Rate (M/s) [X2] (M) [XY] (M) [Z2] (M)
Given a 0.010 M solution of a diprotic acid H2A with Ka1 = 2.9 x 10-5 and Ka2 = 5.3 x 10-6. The species present in the lowest concentration is
Calculate the concentrations of all species in a 0.790 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Suppose a sample of Zn(s) is reacted with HCl(aq) to form hydrogen gas. Explain the H2 gas bubbles out of aqueous solution and is collected in a 552.0mL container at 618.3 Torr and 25 C. Explain how many grams of zinc reacted. Be sure to account f..
The molar mass of a protein is determined from a measurement of the osmotic pressure. If 0.01 grams of the protein is dissolved in 1 ml. and osmotic pressure
Explain which gas has the largest molecules. Explain which gas has the most nearly ideal gas behavior at Standard Temperature and Pressure
traditionally foreign direct investments fdi has followed foreign trade since foreign trade is typically less costly
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