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A new drug is developed that shows promising results in AIDS patients, especially when it used to prevent a mother from passing the virus to her unborn child. However, it has only been available for testing for a year, and it is very expensive. What is the DQ for a person who thinks they may be infected with HIV, the virus that causes AIDS? What is the DQ for a pregnant mother who is HIV positive?
how many moles of bcl3 are needed to produce 25.0 g of hclaq in the following reaction?bcl3g 3 h2ol rarr 3 hclaq
Separation of a standard solution containing 207 mg of pentanol and 233 mg of 2,3-dimethyl-2-butanol in 10.0 mL of solution led to a pentanol:2,3-dimethyl-2-butanol relative peak area ratio of 0.920:1.00. Calculate the response factor, F, for 2,3-..
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another; the system needs to know where you intend connections to be between atoms. I came up with 4 different struct..
What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
What is the frequency of light whose wavelength is 288nm. Can some one please explain how you get 10^15 for this.
The EPA anticipated lowering the allowable PM2.5 level to 35 ug/m3. Explain how many particles would be in a cubic meter of air assuming that all the particles were spheres of a diameter of 2.5 um and had a density of 1 g/cm3
How does the collision theory account for the dependence of rate on the concentrations of the reactants?
A solution of H2SO4(aq) with a molal concentration of 3.22 m has a density of 1.183 g/mL. What is the molar concentration of this solution?
Caluclate the energy requried to raise the temperture of 1.0 mol Ag by 1.0 C. c.it takes 1.25kj of energy to heat a sample of pure silver from 12.0 C to 15.2 C. Calculate the mass of the sample of silver.
Problem- Be specific, using appropriate terminolgies to explain, on a molecular level, how soaps accomplish cleaning in aqueous solution.
What is the enthalpy of the reaction (ΔH°rxn), in kJ, for the process in part (d)? Calculate the total heat (q), in kJ, produced by 260.0 g of ethane when 9.00% by mass of it burns incompletely and the remainder burns completely.
If 110mg of fluorine-18, which has a half-life of 110min, is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.?
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