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At 40 degrees celsius the vapor pressure of methyl alcohol is 254 mmHg and at the same temperature the vapor pressure of ethyl alcohol is 135 mmHg. Solutions of the two alcohols behave ideally; that is they follow Raoult's law. What is the vapor pressure at 40 degrees celsius of a solution made by mixing 2.00 moles of methyl alcohol with 1.00 moles of ethyl alcohol 1) 185 mmHg 2) 214 mmHg 3) 254 mmHg 4) 167 mmHg 5) 200 mmHg
Draw the isomeric alcohols (C6H14O) that can be synthesized via a sodium borohydride reduction of an aldehyde.
When 3.41 g of P4 is burned, 86.1 kJ of thermal energy is evolved at constant pressure. What is the molar enthalpy of combustion of P4?
separation and purification scheme 50% toluic acid, 40% fluorene, 10% 1,4-dibromobenzene
A solution is prepared by mixing 13.00ml of 0.0021M (aq) Hg2(NO3)2 with 25.0ml of 0.015M HCl. Assume that volumes are additive. A. Will precipitation occur?
ethylene oxide polyol that has been generated from pentaerythritol with hexamethylene di-isocyanate, where the ratio of hydroxyl groups to isocyanate groups
what mass of solid LiOH must be added to 1.0 L of 1.35 M hydrofluoric acid solution in order to create a buffer solution
The titration of a 0.1000 M HOCl (hypochlorous acid) is done using 0.1003 M NaOH. If a 25.00 mL aliquot of acid is used, determine the volume of NaOH required to reach the equivalence point
a photon of ultraviolent lights possesses enough energy to mutate a strand of human dna. what is the energy of a single uv photon and a mole of uv photons having a wavelength of 25 nm
Calculate the molarity of 52.56 grams of Al2(SO4)3 in 1.80 L of solution.
calculate the concentration in molarity of a NaOH solution if 25.0 ml of the solution are needed to neutralize 17.4 ml of a .312 M HCl solution.
Write balanced net ionic equations (using half-reaction method) for each off the following chemical reactions. Show Work. 1) Solid sodium metal is added to a solution of solfuric acid.
In the titration of a weak base (0.100 M piperazine, 40 mL) with a strong acid (0.100 M HCl). Calculate the pH values between 0 mL Va and 100 mL in 10 mL steps. The two Ka values of piperazine are 4.65 x 10^-6 and 1.86 x 10^-10
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