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Rank the following solvents in order of increasing polarity: Acetone, Petroleum ether, methanol, ethanol, dichloromethane
a hungry engineering student reaches for a favorite granola bar while working on a statics assignment if the granola bar contains 240 "calories"
Construct a frost circle for imidazole with one 2p orbital on each atom of the ring, and show relative energy of all pi molecular orbitals. fill in the appropriate number of electrons
How many amps are required to produce 59.2 g of aluminum metal from a sample of molten aluminum fluoride
What is the pH of a 0.5901 M solution of NaA. Note: HA is a weak acid with Ka = 6.144x10-8.
Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 2.30A of current is drawn from the battery for 9.50 hours? Express the molar concentration numerically
How many milliliters of a solution that is 10.53% H3PO4 (w/w) with a density of 1.1928 g/mL should be diluted in order to make 4.50 L of a 0.100 M H3PO4 solution
What would be the charge of the imidazole side chain of histidine at pH 7? Assume the pKa of the side chain is 6.0. 8) Assume the pKa of the alpha-carboxyl group = 2.0 and the pKa of the alpha-amino group = 10.0. What would be the net charge of gly..
at a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
A gas at 39°C occupies a volume of 1.67 L. At what Celsius temperature will the volume increase to 2.12 L?
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
Fortunately, you can narrow the search because the PVC piping comes from unique vendors each with their unique degrees of polymerization. By detailed measurement, you determine that the PVC molecular non-extended (i.e., coiled) length is 7 nm. Wha..
A chemist must dilute of M aqueous potassium iodide solution until the concentration falls to M . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
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