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How many grams of aspiring were lost in the washing process you used to purify the product, assuming you used 50 mL of water for washing? The solubility of aspiring in water is 0.33 grams per 100 mL at room temperature?
what is the vapor pressure of ethanol at 20 celcius is 44mm, and the vapor pressure of methanol at the same temperature is 94 mm. Assuming an idea solution, what is the vapor pressure of a solution made from 30.0g of methanol and 45 g of ethanol
The pH of rainwater in a polluted area was found to be 3.50. What is the H+ concentration
A set of two gas bulbs, with volumes of 500 mL and 300 mL, are connected by a closed stopcock. The 500 mL bulb contains 450 torr of Ne gas, and the 300 mL bulb contains 150 torr of Cl2 gas
the power delivered to a photodetector that collects 8.0*10^7 photons in 3.8 ms from monochromatic light is 0.72 microwatt. what is the frequency of the radiation
Write a balanced equation for the reaction that occurs when hydrogen sulfate ion behaves as a Brønsted-Lowry acid in water.
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
Using the reactions below, write out the chemical expression for the fraction of all species that would be [Sn2+] (note this form does not need to be solved for K values, just the compounds themselves).
How many grams of Cu(OH)2 will precipitate when excess NaOH solution is added to 73.0 mL of 0.661 M CuBr2 solution
use any resources available to you to find the structures of these drugs and then identify the functional group or
the oxygen gas emitted by an aquatic plant was collected over water at a temerature of 293 k and a total pressure of 755.2 mmhg.
From the following data, calculate the delta G for the reaction at 25 degrees C. delta H = -199 kJ/mol delta S = -4.1 Joule/Kelvin - mol these are the Standard values of formation at 25 deg C.
reacting 5g of salycic acid with an excess of acetic anhydride
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