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Benzene as well as toluene mix to form a liquid solution @20degrees C and solution behaves as ideal solution. Explain the Vapor pressure of pure benzene is 74.7Torr and that for pure toluene is 23.3Torr. Explain the mole fraction of each in the VAPOR phase if there are 3.12moles of benzene as well as 1.25 moles of toluene
given that Go = 5.02 kcal/mol for the complete reaction catalyzed by isocitrate dehydrogenase and that Go = 4.71 kcal/mol for the nonoxidative decarboxylation of oxalosuccinate, oxalosuccinate + H+ ----> CO2 + a-ketoglutartate.
One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation).
Number of Moles and Conversion, a) Number of moles of carbon atoms in 0.585 moles C4H10
In 0.04 M NaOH at 20*C, the decomposition of H2O2 and O2 is first order. If the half-life is 654 minutes, what would be the concentration after 100.00 minutes of a solution initially at 0.200 M
Balance the following redox reaction in basic solution. Which of the following statements is not correct? Cr3+(aq) + ClO3-(aq) + OH-(aq) ? Cl-(aq) + CrO4^2-(aq)
The molar concentration of Tl+ is M (4 dec places). The molar concentration of Cl- is M (4 dec places).
Calculate the number of moles of ethanol, (C2H6O) in 250.0 mL sample. Ethanol has a density of 0.76 g/mL.
A graduated cylinder contains 110. mL of water. A 10.0 g piece of iron (density = 7.86 g/cm3) and a 18.9 g piece of lead (density = 11.3 g/cm3) are added. What is the new water level in the cylinder?
a 235ml solution is prepared with 41.8 millimoles of an unknown sodium salt of a deprotonated organic acid nax. if the
Acetone (C3H6O) burns with oxygen producing carbon dioxide and water only. Solid calcium nitrite is decomposed by heating, producing calcium oxide, nitrogen monoxide and nitrogen dioxide
Calculate the concentration of CrO4^2- in a solution that is 0.0375M in chromic acid and 0.150M HCL. (Chromic acid is H2CrO4, a diprotic acid, Ka1= 1.80x10^-1, Ka2=3.20x10^-7 & Kw=1.00x10^-14).
a sample of gas in a21.5-l container at 45.0 degc is cooled at constant pressure to a temperature of-37.0 degc at
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