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A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
If 1.56g of a gas has a volume of 1.00 L at .984 atm and 50 degrees Celcius, what is the molar mass of the compound
finds that about 10% of the aspiring is converted to salicyclic acid and acetic acid, How many moles of aspirin are in the initial solution? what is the molarity of aspirin? MM=180g what is the rate of reaction?
If you wanted to prepare a solution of CO in water at 25 degrees Celsius in which the CO concentration was 2.5 mM, what pressure of CO would you need to use?
Ultra-high-vacuum experiments are routinely performed at a total pressure of 1.0 x 10-10 torr. Calculate the binary number of collisions, Z11, of N2 molecules (per liter per second) at 350 K under these conditions. The collision diameter of N2 is ..
Is the amount of sodium bicrbonate sufficient to react with benzoic acid. The amount of Benzoic Acid in ex. 1 is 0.060 Grams
chromatogram for the presence of compounds other than isopentyl acetate. Explain the presence of any additional compounds
A solution of ethanol (C2H5OH) in water is prepared by dissolving 63.5 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
hemeagglutinin (HA) for sialic acid is low, Kd of ~ 5nM, how can efficient attachment occur with such a low affinity interaction?
consider the reversible reaction of carbon monoxide and water vapor yeilding carbon dioxide and hydrogen.
calculate the concentration of the hydronium ion in a solution prepared by mixing equal volumes of .050 molar HOCL and .020 molar NaOCl
the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula
A toothpaste contains 0.24% by mass of sodium fluoride used to prevent caries (cavities) and 0.30% by mass of triclosan (C12H7Cl3O2). A PRESERVATIVE + ANTIGINVITIS AGENT.
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