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A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 251.0 Torr at 45.0 °C. Calculate the value of ?H°vap for this liquid. What is the original boiling point?
Draw a planar structure for the following compound using dashed or solid wedges to show the stereochemistry of the substituent groups. To be graded properly
Calculate the molarity of urea in a soln prepared by dissolving 16 g of urea (MM= 60.0 g/mol) in 39 g of H20. The density of the soln is 1.3 g/ml.
Description of Alkene Halogenation, What is the major product formed when 1-pentene is reacted with br2 in aqueous solution and why?
What is the main structural feature of the azo dyes that causes them to be colored compounds? Methyl Orange is an acid-base indicator. In dilute solution at pH greater than 4.4, it is yellow.
what volume of bleach (6%w/v=6g/100ml) would be required to oxidize 5.0 mL of methanol (density 0.890 g/ml) to methanone?
If 25 ml of solution A is needed to make a 0.7 liters with a final concentration of 1.5%, what was the concentration percentage of the stock solution
ch4 2o2 --ampgt co2 2h2owhat is main type of inter molecular force for each molecule and whats the intermolecular
How many atomsof carbon are present in 34.5 grams of caffeine?
What determines whether 2-bromobutane undergoes an SN1 or an SN2 reaction? How would you favor SN2 formation
What are the Bi and Bi+ quantum numbers of the electron removed when Bi is ionized to Bi+?
The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and it's normal boiling point is 91degrees C. What is the vapor pressure of BBr3 at 34 degrees C.
If a mixture of heptane (bp = 98C) and octane (bp=126C) is places in a gas chromatography machine, at what temperature should the oven be set
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