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A solution of 0.1 g/ml of a pure R enantiomer in a 1 dmpolarimeter rotates plane polarized light by +4.8 degrees. Explain what is the rotation observed on this solution in a dm polarimeter?
What is the pH of a 0.1 M solution of ethylamine, given that the pKa of ethylammonium ion
After doing some analysis, the probe determines that the gas pocket contains an element that has an ionization energy of I= 1350 kJ/mol and an electron affinity of EA=32.0 kJ/mol . What is the identity of this element.
a 100.0 ml of acetic acid solution of unknown molarity is titrated with 0.15 m naoh solution. the titration requires
Calculate the molality of a solution that is prepared by mixing 25.5 mL of CH3OH (d= 0.792 g/mL) and 387 mL of CH3CH2CH2OH (d= 0.811 g/mL).
1. how could you separate barium sulfate baso4 from nh42co3?2. how could you separate zinc chloride zncl2 from zinc
The nuclear mass of 141Ba is 140.883 amu. Calculate the binding energy per nucleon for 141Ba.
In class we preformed an equilibrium constant lab measuring an equilibrium constant for an esterification reaction between carboxylic acid and an alcohol to form an ester and water. The reaction was between acetic acid and n-propyl alcohol to form..
which of the following is NOT a vitamin that is used by cells to produce a cofactor requires by alpa-ketogluterate dehydrogenase
A volume of 60.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 24.7mL of 1.50 M H2SO4 was needed?
If an artificial heart is capable of pumping at least 57,000,000 pints of blood before failure, how long, in years, will it probably last in a patient whose average heart rate is 72 beats per minute and an average stroke volume (the amount of bloo..
What is the pH of a solution with a hydronium ion concentration of 1.0 x 10-3 mole per liter
What is the electron configuration for Cr3+. Also, I need explanation as to how the d orbital works. Why does it go from 4s2 to 3d
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