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If the daily requirement for calcium (in the form of ions) is 1000 mg for those people from ages 19 to 50, calculate what percentage of your daily requirements could be met by drinking 50.0 ounces of your local water. (When determining the percentage, we use the part from question B divided by the whole of 1000 mg times 100)
What are the differences between alkenes and alkynes
What feed rate of the 30.0 wt% HBr solution would be required to produce 1050 kg/hr of product. What is the feed ratio of liters of 12.0 wt% HBr solution to liters of 30.0 wt% HBr solution.
A sample of gas occupies a volume of 50.4 mL. As it expands, it does 125.5 J of work on its surroundings at a constant pressure
The greatest entropy of mixing
The reaction is 2-methyl-2-butanol and HCl to 2-cloro-2-methylbutane and water. Why polar solvents would be expected to increase the rate of the reaction
argon gas expands from 3.5 mpa and 100degc to 500 kpa in an adiabatic expansion valve. for environment conditions of
if it takes 1656 kj/mol to break all bonds in methane, what is the bond empathy of one C-H bond?
the actual chemical formula must remain top secret. The company is interested in the drug's Ka value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries.
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
When X rays of wavelength 0.096 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance between the layers of atoms responsible for the diffraction?
In a chemical reaction (unbalanced equation), AsF3 + C2Cl6 = AsCl3 + C2Cl2F4, the theoretical yield of C2Cl2F4 was calculated to be 1.86 mol. If the percent yield in the reaction was 77.2%.
Suggest at least one characteristic absorption each in the IR spectra of 9 fluorenone and 9 hydroxyfluorene that could be used to distinguish between these two compounds
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