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a. A sample consisting of 1-bromopropane and 1-chloropropane isinjected into a gas chromatograph quipped with a nonpolar column.which compound has the shorter retention time? Explaine the answer.
b. If the same sample were run several days later with theconditions as nearly the same as possible, would you expect theretention times to be identical to those obtained the first time? Explain.
Explain in gory detail the relationship between temperature and vapor pressure. Lots of pictures might be helpful. Why does water expand when it freezes?
The Br-F bond distance in the interhalogen compound BrF is 1.76 Å. Use this information to estimate the average
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
calculate the energy of a photon of light with a wavelength of 360nm.
Maintenance of pH is vital to the cells of all living organisms because enzyme activity is influenced by pH. What is the intracellular pH range of most cells?
Calculate the composition of the exhaust gases in kg/hr and calculate the percentage of benzene that is partially combusted.
what mass of oxalic acid dihydrate, H2C2O4 + 2H2O is required to prepare 280.0 ml of a 1.51 M solution of oxalic acid
Understanding the high-temperature behavior of nitrogen oxides is essential for controlling pollution generated in automobile engines. The decomposition of nitric oxide (NO) to N2 and O2 is second order with a rate constant of 0.0796 M?
A 10.0 g sample of krypton has a temperature of 25°C at 575 mm Hg. What is the volume, in milliliters, of the krypton gas?
In a high-altitude city, the normal atmospheric pressure is 619.0 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city. The heat of vaporization of water is 40.70 kJ/mol.
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
One beaker contains 10.0 mL of acetic acid/sodium acetate buffer at maximum buffer capacity (equal concentrations of acetic acid and sodium acetate), and another contains 10.0 mL of pure water.
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