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A solution containing 3.25 mg of human growth hormone in 25.0 mL of solution has an osmotic pressure of 0.109 torr at 25.0°C. What is the molar mass of human growth hormone?
What must that mean in terms of Light absorption and transmission and in terms of the energy associated with any molecular orbital transitions in indium antinomide?
A piston has an external pressure of 11.0 rm atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.460 liters.
Assuming that these species remain gaseous at 119K , for which species is the equipartition theorem prediction for the rotational contribution to the internal energy appropriate?
Based on the structure and boiling point(176-177C) of Eucalytol. what aspects of this molecule allow it to separate from hexane? And which of the following temperature option of is best for separating eucalytus oil and why?
BaSO4 is listed as insoluble. Actually, BaSO4 is highly soluble, Ksp=1.1e-10. What is the solubility, in mg/l?
what is the mole fraction and b) what is the molality of this compound in the solution? the molar mass of the unknown compound is 45.0 g/mol
The most stable form of bromine under standard conditions is as the diatomic molecule
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
A saturated gaseous organic molecule is formed by replacing all hydrogen atoms with an unknown combination of F, and Cl atoms. The percent mass of Cl in the organic compound
The final temperature of the gas, Would it be feasible to make ethanol, C2H5OH, by the following reaction ( under standard conditions and 25 degrees C)
What is the pH of this buffer after 0.45 mL of 10.0 M hydrochloric acid are added to it? The Ka for HF is 6.8 x 10-4.
using the hendersoon hasselbach equation calculate the pH of a solution made by adding 50.0mL of 1.00M sodium acetate to 50.0mL
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