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The tosylate of (2R, 3R)-3-phenylbutan-2-ol undergoes an E2 elimination on treatment with sodium ethoxide. Depict the structure of the alkene that is produced
Calculate the volume of the gas, in liters, if 1.65 mol has a pressure of 0.995 atm at a temperature of -4 degrees Celsius. Calculate the absolute temperature of the gas at which 3.13 x 10-3 mol occupies 335 mL at 760 torr.
If an unknown crystalline organic compound has a heat of melting that is 8.605 kJ/mole and a melting point of 250.6 C
For the reaction 2CH2O(g) + O2(g) ? 2HCOOH(l), if 4.19 × 1022 molecules of formaldehyde (CH2O) react with excess oxygen, what is the theoretical yield of formic acid (HCOOH)
Using structures and your own words, explain why acetic acid (CH3COOH; you can look up the structure of the carboxylic acid if you're unsure) is more acidic than ethanol (CH3CH2OH)
the temperature of a 22.0 g sample of material increases from 190.0 degree c to 42.0 degree c when it absorbs 5.00 kj
A student measures 0.2452 g of a monoprotic solid acid, and dissolves the solid in water to make 100.0 mL of solution. The entire solution is titrated to a phenolphthalein endpoint with 45.09 mL of 0.1752 M KOH.
We did TLC and column chromatography separating methylene blue and fluorescein. The solvent contained mostly ethanol but also had NaOH, and this NaOH formed SiO- with the silica (the stationary phase), which is in competition with the solvent for ..
A 3.00 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
we will titrate 50.0ml of 0.200m nh3aq pkb 4.76 with 0.200m hclaq.a. what is the initial ph of 50.0ml of 0.200m nh3aq
45.0g og magnesium carbonate is added to water to prepare a 250.0mlsolution. 15.0ml of this solution has 50.0ml of
Burning the fatty acid palmitic acid outside the body in the presence of oxygen, results in its complete oxidation to form carbon dioxide and water. The chemical formula of palmitic acid is CH3(CH2)14COOH.
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