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Separate two of the three compounds:1-4 dibromobenzene, phenanthrene, and o-toluic acid using the following reagents:1M NaoH, 6M NaoH, 1M HCl, 6M HCl, 1M NaHCO3, saturated sodium chloride, diethyl ether, 95% ethanol, isopropyl alcohol, acetone, methanol, toluene, methylene chloride and granular anhydrous sodium sulfate.
Write net Brønsted equations that show the acidic or basic nature of the following substances, given the pH.
Write and balance reactions for the following situations: The burning of titanium metal in oxygen gas to produce titanium(IV) dioxide, TiO2.
Calculate the pressures, P, in atmospheres at which the mean free path, l, of a hydrogen molecule will be 2.00 ?m, 2.00 mm, and 2.00 m at 20.0 °C. The diameter of a H2 molecule is 270 pm
Compute the wt% Ag in ideal prousite (Ag3AsS3). What is the maximum quantity of silver (in try ounces) that can be extracted from a ton of ore containing 90 wt % quartz and quartz and 10 wt % ideal prousite ? 1 oz troy = 31.10323 g; 1 short ton = ..
Write out a complete reaction mechanism for the synthesis of the 1,2-diphenyl-1,2-ethanediol acetal from 1,2-diphenyl-1,2-ethanediol and 2,2-dimethoxypropane in the presence of acid
Combustion analysis of the compound gives mass percents of 31.57% Carbon and 5.30% Hydrogen.
CH3OH(g) is decomposed by this reaction at constant pressure. (c) For a given sample of CH3OH, the enthalpy change during the reaction is 82.1 kJ
A sample of gas with a mass of 1.78 occupies a volume of 961 at a pressure of 753 and a temperature of 16. What is the molar mass of the gas?
Tripeptide Protein: Acidic, Basic, or Neutral? Alanine has an R-group structure of CH3, cysteine has an R-group structure of HS-CH2, and aspartic acid has an R-group structure of HOOC-CH2
One company introduces carbonate by bubbling carbon dioxide into water until CT=10-3 M (equivalent to adding "H2CO3*" until CT = 1 x 10-3 M), a second adds sodium bicarbonate (NaHCO3) until CT = 10-3 M, and a third adds sodium carbonate until CT=1..
When you made your graphs of Percent Transmittance vs. Concentration and Absorbance vs. Concentration, you include data points for 100%T at 0 concentration, and 0 Absorbance at 0 concentration. Why are these valid data points
What is the change in energy, Delta E, in kilojoules per mole of hydrogen atoms for an electron transition from n=8 to n=2? Express your answer in kilojoules per mole to three significant figures.
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