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What observed rotation is expected when a 1.28M solution of (R)-2-butanol is mixed with an equal volume of a .640M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1dm long? The specific rotation of (R)-2-butanol is -13.9 degrees mL g-1dm-1.
When we extrapolate concentration dependent values to zero solute concentration, what do these extrapolated values mean physically
a 54.1 gram sample of an unknown hydrocarbon was burned in an excess of oxygen to form 88.0grams of carbon dioxide and 27.0grams of water. what is a possible molecular formula for the hydrocarbon?
lead(II) sulfide was once used in glazing earthenware. It will react with hydrogen peroxide to form lead (ii) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265g of lead(ii) sulfide?
A 51.0 g sample of ethylene glycol, HOCH2CH2OH, is dissolved in 540.0 g of water. The vapor pressure of water at 32°C is 35.7 mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32°C? (ethylene glycol is nonvolatile.)
The same organism can grow on a medium lacking all three amino acids. Explain these observation(Biochemistry expalanation and detailed)
For the reaction 2A + B --> 2C, if B is initially 4.0M and 2min later is 3.0M, what is the rate of appearance of C?
What types of intermolecular forces would you expect to exist among molecules of 1-butanol? (Select all that apply.)
If the reaction mixture initially contains only O2(g) and F2(g), then at equilibrium, the reaction mixture will consist of essentially only OF2(g).
Which one of the following does not react with aqueous sodium hydroxide?
Important information about PH calculations, Calculate the pH of the solution formed during a titration upon adding 35.0 ml of a standard .150M NaOH solution to
CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) What volume of O2 is required to react with excess CS2 to produce 4.0 L of CO2? Assume all gases are measured at 0oC and 1 atm.
First Ionization Energies across a period, e.g., period 2. explain in detail why there are anomalies for Boron and Oxygen. Explain the subshell hybridization of elements such as copper or chromium
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