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Distinguishing between Organic MoleculesQuestion: What chemical tests might be used to distinguish between: pentanal and 2-pentanone, between benzyl alcohol and diphenylmethanol? I believe that the tests to distinguish pentanal and 2-pentanone can be: NMR spectrometry and a 2,4 dinitrophenylhydrazine test. The tests to distinguish benzyl alcohol and diphenylmethanol can be NMR spectrometry again and a melting point test.
mixture of the same bromoalkanes, and they both undergo hydroboration/oxidation to give a mixture of the same alcohols. Determine What is the structure of B?
A 24.0 g sample of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 3.85 g NH3. What is the percent yield for this reaction? Reaction: N2(g) + 3 H2(g) ? 2 NH3(g)
Determine the new equilibrium concentration of hydrogen, if the hydrogen concentration is raised by 0.299 M?
A bottle of wine contains 14.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
After you have made your observations, you can release the vacuum and allow the pressure inside to return to atmospheric pressure. Do this by removing the pumper and squeezing the rubber septum as indicated.
A 31.0-g sample of water at 290. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
How many calories of heat are necessary to raise the temperature of 350 ml of water from 1.00oC to 5.00oC.
3.38 grams of nitrogen gas are mixed with excess oxygen gas. The reaction yields 6.63 grams of nitrogen monoxide. nitrogen (g) + oxygen (g) -> nitrogen monoxide (g)
A sample of H2O with a mass of 46.0 grams has a temperature of -58.0C. How many joules of energy are necessary to melt 46.0 grams of ice.
Do you think a comparable spill of a water-insoluble liquid that has a density of 1.20g/mL would have been as harmful to waterfowl and aquatic mammals.
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
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