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Hydration of alkynes (via oxymercuration) gives good yields of single compounds only with symmetrical or terminal alkynes. Draw the major organic product(s) formed when hex-2-yne undergoes hydration in the presence of HgSO4 and H2SO4.
The half-life for the radioactive decay of [U]-238 is 4.5 billion years and is independent of initial concentration.
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
Ethanol CH3CH2OH(l) can be formed from a reaction between ethylene gas C2H4(g) and water vapor. It is unclear if the C-C in ethylene gas is a single, double, or triple bond.
aliquot of the HCl solution required 13.98 mL of 0.08485 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.08 mL. Balance the reaction below and determine the percent WO3 in the ceramic sample.
Calculate the final temperature when a 25.6 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.0 oC. Assume that there is no loss or gain of heat from the surroundings.
How much heat in is evolved or absorbed in the reaction of 2.28 grams of sodium ( Na) with water( H 2 O), express your answer in kilocalories?
How is "soap" chemically different from "detergent"? What chemical features and properties of detergents make them better than soap for hard water applications?
A 20.0 mg sampele of a pesticide with a molecular mass = 385.91 was dissolved in a 5 mL volumetric flask. a 2.00 mL aliquot was withdrawn & placed in a 25 mL volumetric flask, and diluted to the mark.
Write equations for the mechanistic steps in the dehydration of cyclohexanol assuming an E1 mechanism.
A sample of chlorine gas in confinedin a 5.9L container at 220. torr and 27 degrees Celsius. How many moles of gas are present in the sample?
If a reaction mixture initially contains 486 of and 261 of , what is the mole fraction of when equilibrium is reached.
suppose a can contains gas at a pressure of 755 mm Hg and a temperature of 25 degrees celsius, what would be the pressure if the can was heated to 1155 degrees celsius ?
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