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What are the stereochemical configurations of the two diastereomers of (2R,4S)-2,4-hexanediol?
gas is introduced into an evacuated 3.58 L flask at 65 deg. C, what is the pressure inside the flask
compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen
calculate the concentration of an NaOH solution if 25.0ml of the solution is needed to neutralize 17.5ml of a 0.419M HCL solution
Assume ^35^Cl_2_ is a harmonic oscillator( it is slightly anharmonic). If K=329 N/m compute the zero-point energy for this molecule. ^35^Cl= 34.9688g/mol.
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
The pOH of a solution is 9.4 . Calculate the hydrogen ion concentration of the soltution. What mass of KOH is necessary to prepare 800.0ml of a solution having a pH = 11.56
The vapour pressure of a substance at 20.0 oC is 49.3 kPa and its enthalpy of vaporisation is 40.6 kJ mol-1. Estimate the temperature at which its vapour pressure is 80.0 kPa
The pressure exerted on a 240 mL sample of hydrogen gas at instant temperaure is increased from .428 ATM to.724 ATM. What will the final volume be for the sample be?
Make a rough sketch showing how the following properties of a baseball depend on time, from the moment it is hit high into left field to the time it is caught by the outfielder. You may neglect the effects of friction!
The Al2O3 does not react. If the sample residue weighs 2.489 g, what is the mass fraction of Fe2O3 in the original sample?
When drawing the lewis structure of TeCl4, WHY does Te have a lone pair. It's already connected to four Cl atoms and has 8 electrons.
Gold can be hammered into extremely thin sheets called gold leaf. If a 197-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft multiplied by 1.0 ft, what is the average thickness of the sheet in meters
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