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1. distinguish between an organic molecule that is dextrorotary and one that is levorotary.
2. the specific rotation of pure (-)-2-butanol is 13.5 degrees. what % of a mixture of the two enantiomeric forms is the (+)-form if the specific rotation of this mixture is +7.0 degrees?
3.(-)-Latic acid has a specific rotation of -3.8 degrees. what is the specific rotation of a solution containing 7.5g of (--)- lactic acid and 2.5g of (+)-lactic acid?
Deficiency of phosphoglyceromutase d) mutation that interferes with the formation of quarternary structure in hemoglobin
Determine the enthalpy for the given reaction as CS2
a first order reaction has a rate constant 0.00510.if we begin with 0.10 M concentration of the reactant , how much of the reactant will remain after 3 hrs?
If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C?
If a bottle of nail polish remover contains 181 g of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL
A concentrated sulfuric acid solution is 65.0% H2SO4 by mass and has a density of 1.55 g/mL at 20°C. What is the mass of 8.00 L of the concentrated sulfuric acid solution?
If it takes 1250 J to raise the temperature of 33.5g of a substance 59 deg C what is the specific heat of the substance
Laboratory-grade diethyl ether contains small amounts of ethanol (1-2%). Is this grade of solvent suitable for the preparation
If a 2.1 L reaction vessel initially contains 723 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr ?
How much will the pH change? The pKa of acetic acid is 4.760.
A and B mix to form an ideal solution.what is the Gibbs energy of A in the solution as compare to the Gibbs energy
One ecologically important equilibrium is that between carbonate and hydrogencarbonate (bicarbonate) ions in natural water. (a) Th e standard Gibbs energies of formation of CO3
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