What is the mole fraction of ethanol in the solution
Question: At 63.5 degrees celsius, the vapor pressure of water is 175 torr and that of ethanol, C2H5OH, is 400 torr. A solution is prepared by mixing equal masses of H20 and C2H5OH. What is the mole fraction of ethanol in the solution?
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Draw (2R,3S)-2-bromo-3-phenylpentane in the conformation from which it is most likely to undergo E2 elimination to give 3-phenyl-2-pentene.
How can the function PV/RT be used to show how gases behave nonideally? Negative deviations result from . Positive deviations result from.
Solid ammonium carbarnate dissociates as indicated. If at equilibrium PNH3 = .035atm, what is PCO2? In another experiment it is observed that PCO2 = .025atm, what is PNH3?
Write the lewis formula for the reactant and product species in the following chemical equation. Include nonbonding electrons. 2OH yields H2O2.
Sodium hydroxide has a lattice energy of -887 and a heat of hydration of -932. How much solution could be heated to boiling by the heat evolved by the dissolution of 21.5 of ?
0.500 mol/L of MgSO4. What is the concentration of this solution when expressed in percent (mass/volume). a)0.602% b)0.415% c)602% d)0.000415% e)none of the above
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10^?2 M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are
Residents of a town of maplegrove who are connected to the municipal water supply are billed a fixed amount plus a monthly chare for each cubic foot of water used. A household usin 1000 cubic feet was billed $40 while a house using 1600 cubic feet
Calculate the pH during the titration of 21.7 mL of 0.451 M KOH with 0.212 M HBr after 18.3 mL of the acid have been added.
The initial volume of the balloon is 5.00 L, and the pressure is 760 mmHg. The balloon ascends to an altitude of 20 km, where the pressure is 76.0 mmHg and the temperature is -50 degrees celsius. What is the new volume,V2 , of the balloon in liter
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