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Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)?
A. BrF5 > PF5B. CCl2F2 > CH2F2C. BCl3 > PCl3D. PH3 > PF3
1.given that the density of a solution of h2so4 is 1.1548 then calculate the molality of a 1.94 wt solution of
One mole of ideal gas undergoes a three-step process. In step one: the gas expands isothermally and reversibly from state 1 to state 2. In step two: the gas is cooled isochorically yielding state 3.
Explain why each of other solvents is less desirable than the solvent you have chosen. Acetonitrile, dimethylformamide, hexane, methylene chloride are our solvent choices.
how will the fist ml of distillate from the simple distillation differ from the first ml distillate of the factional
1FeO3+2 Al= 1Al2O3+2Fe, Determine the percent yield of a reaction that produces 28.65g of Fe when 50.0g of Fe2O3 reacts with excess Al according to the following reaction. Be sure to balance the reaction.
assume the pacific ocean has a surface area of 1.7 x 108 km2 and an average depth of 3900 m. calculate the volume of
The second equivalence point was reached after 35.75mL of 0.1005 M hydrochloric acid was added to a 50.00 mL solution containing your sodium carbonate unknown., calculate the pH of the solution at the second equivalence point
calculate the ph values in 10.00 ml of the diprotic o-phtalic acid 0.100 m c6h4cooh2 to which the following volumes in
Determine the empirical formula for a substance with the following composition
the absorptivity often used in rapid determinations of protein concentration is the e1 based on aromatic amino acid
Write a brief discussion of the bond dipoles of iodomethane and the corresponding Grignard reagent.
In order to maximize topographic contrast in SEM, would you use backscattered or secondary electron detector? Explain.
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