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a mixture with 75% R and 25% S has an optical rotation of -30. what is the optical rotation of pure R?
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure:
-Calculate the number of mmol of Br2 present in 0.48mL of bromine solution, -Calculate the number of mmol in 100 mg of trans-cinnamic acid (use a MW calculated to 2 decimal places)
Concentrated acetic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion?
The temperature is 60 °F throughout . hey guys i already signed up for the web site you are going to send me but i couldn't find the answer
What is the empirical formula for the hydrocarbon?
What is the kinetic energy of the emitted electrons whencesium is exposed to UV rays of frequency 1.5x10 15 Hz?
A quantity of 1.25 mole of an ideal gas at 328 K expands isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system
Maleic acid contains 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen by mass. A 0.030-mol sample of this compound weighs 2.61 g.
Given that translational and rotational degrees of freedom typically behave classically, but vibrations behave quantum mechanically, the total (avg) energy of a diatomic is predicted to be U= (5/2)RT+ , where is obtained from Eq.124.
what is the order of increasing steric hindrance within these reactions and what is the reason for that order in terms of calculated energies, distance, and structures.
stock solution of Bovine Serum Albumin (BSA), diagram the most accurate procedure so you end up with at least 500 uL each of 5 ug/uL
A gaseous mixture containing 0.220 mol fraction of carbon tetrachloride (CCl4) and 0.780 mol fraction of dry air is initially at 75.0°C and 1117 mmHg
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