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The heat lost by the boiling water is equal to the heat gained by the room-temperature water. How much heat was transferred in this process?
caluclate the molecular mass of the compounds of Caffeine and Epinephrine. Round to the hundredth's place.
Is strategic behavior important in this market pharmaceutical drugs. Avoid answering any of the questions with a quote.
Calculate the concentration of H3PO4 if 25.00 mL of the acid is titrated with 38.77 mL of 1.723 M KOH to produce K3PO4 and water.
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ?C. What is the new pressure of the gas in Pa?
Calculate an approximate delta_h in kilojoules for the industrial synthesis of ethyl alcohol from ethylene: C2H4(g) + H2O(g) -> C2H5OH
A 35.0 mL sample of gas is enclosed in a gas tight syringe at 22 degrees celsius. If the syringe is immersed in an ice bath at 0 degrees celsius, what is the new gas volume?
A 2.00 gram peanut is burned in a bomb calorimeter containing 1234 grams of water. The temperature of the water increases from 25.00 Celsius to 30.25 Celsius.
Consider the peaks for pentafluorobenzene (12.98min) and benzene(13.20min) in the chromatogram shown above. The elution timefor the unretained solute is 1.06 minutes. The open tubularcolumn is 30.0m in length and 0.530mm in diameter, with a layer ..
Describe the pH of a buffer solution consisting of 100 mL containing 0.1M CH3COOH and 0.125M CH3COO- , both before and after addition of 10 mL of 0.25M HCl. Ka = 1.8 x 10-5.
At what temperature does water boil on the top of Mount Everest, elevation z=8848m. Recall that the dependence of pressure with altitude is given by P=Patmexp^(-MWgz/RT) where, Patm is atompheric pressure, g is the gravitational acceleration, and ..
What would the molar concentration of the tree sap have to be to achieve this pressure on a day when the temperature is 28?
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