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An aqueous solution containing 5.85g of an optically pure compound was diluted to 800.0mL with water and placed in a polarimeter tube 10.0cm long. The measured rotation was -5.93degrees at 25degrees C. Calculate the specific rotation of the compound.
What is the final temperature of the water and pieces of metal?
What concentration of aqueous NH3 is necessary to just start precipitation of Mn(OH)2 from a 0.020 M MnSO4? Kb for ammonia 1.8 x 10^-5, Ksp for Mn(OH)2 4.6 x 10^-16.
Draw all possible monochlorination products of 3,3-dimethylpentane, including stereoisomers.
Draw the mechanism that illustrates the conversion of 2-chloro-2-methylbutane to 2-methyl-2-butanol with water (H2O) as the nucleophile.
The coefficient of heat transfer between a pure saturated vapor and a cold surface canbe predicted by the following equation:
A sample of blood plasma occupies .550 dm3 at 0 degrees C and 1.03 bar, and is compressed isothermally by 0.57 per cent by being subjected to a constant external pressure of 95.2 bar. Calculate w.
At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175..
When heated, hydrogen sulfide gas decomposes according to the equation above. A 4.40 g sample of H2S(g) is introduced into an evacuated rigid 1.50 L container. The sealed container is heated to 583 K and 5.72x10^-2 mol of S2(g) is present at equil..
What mass of ethylene glycol must be added to 1615g water to raise the boiling point to 104.3 degrees celcius?
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
Methane gas is compressed from 22. L to 2.5 L at a constant temperature. The final pressure is 18.1 atm. What was the original pressure?
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