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In performing TLC to test the purity of aspirin acetaminophan and caffeine, Explain how will using a vey polar solvent affect the movement of the spots on your plate?
In an electrolytic cell, Cu(s) is produced by the electrolysis of CuSO4(aq). Calculate the maximum mass of Cu(s) that can be deposited by a direct current of 100. amperes passed through 5.00 L of 2.00 M CuSO4(aq) for a period of 1.00 hour.
a cyclist is moving around a curved and banked path at a constant speed of 16 mph. the bicycle and rider have a
you have two neutral solutions. one contains the indicator methyl red which turns red in strongly acidic aqueous
Researchers analyzing an unknown hydrocarbon with chemical formula CxHy found that 225 grams of O2(g) were required for complete combustion of 1.0 mol CxHy, to form CO2(g) and H2O(g) only.
Compound A, C9H12, undergoes nitration to give 3 products. The 1H NMR spectrum of A shows a complex three-proton multiplet at 6.92-6.99 ? and a nine-proton singlet at 2.34 ?
Calculate the ratio of ionized to unionized drug forms that would exist in the plasma at physiological pH (7.4). What is the percent ionized to unionized
what do the terms activating deactivating ortho para-directing and meta-directing mean. how do these relate to aniline
Calculate the molarity of the ions present in these salt solutions. Assume each salt to be 100% dissociated. a. 0.75M ZnBr2
If the amount of Hg in an industrial-waste pond is 0.39 micrograms (ug)/mL, how much Hg is present in (kg) if the pond has a surface area (m^2) and an average depth of 35 ft?
Sulfuric acid sold for laboratory use consists of 96.7% by mass sulfuric acid; the rest is water. the density of the solution is 10845 g.cm^(-3). Compute the number of kg and pounds of sulfuric acid in 2.20 liter bottle of laboratory sulfuric acid
Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr
calculate the mole fraction of ethanol ch3ch2oh molar mass 46.0 gmol in a solution that contains 46 g of ethanol and
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