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The vapore pressure of water at 16 degree celsius is 13.6 torr and it is 15.5 torr at 18 degree celsius. what is the vapore pressure at 17 degree celsius?
The diffusion coeffiicent of a particular kind of t-RNA molecule is D=1.0x10^-11 m^2 s^-1 om the medium of a cell interior. How long does it take molecules produced in the cell nucleus to reach the wall of the cell at a distance 1.0um, correspondi..
Explain the use of beta-alanine? Is it used as a H+ source, or something else? Why can malonic acid be reacted in V-D modification, while only its ester can be reacted in standard Knoevenagel condensation conditions?
sodium nitrate was added to 2.0 l of water at 25 degc to produce a saturated solution. the solution was then heated to
A 0.5078g sample of impure nitrobenzene was treated with 1.044g of tin. when the reaction was complete, the residual tin was found to weight 0.338g. Calculate the percentage of nitrobenzene in the sample.
calculate the change in entropy (?S), the change in internal energy (?U), and the change in enthalpy (?H) for a reversible adiabatic expansion of this gas to a final pressure of 1.10 atm. Also calculate the final temperature (T) and volume (V).
What are the steps needed in order to calculate the molar mass when given a freezing point depression. Please be as specific as possible.
the hydrated salt is overheated and the anhydrous salt thermally decomposes one product being a gas. will the reported
Hex-1-ene, 2-methylpent-2-ene, 2,3-dimethylbut-2-ene, (Z)-hex-2-ene, (E)-hex-2-ene Which one has the highest boiling point and why
if you prepare a 1.00 solution of beginning with water at 27.5 what is the final temperature of the solution in ?
Classify each of the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
a the enthalpy of vaporization of chloroform chcl3 is 29.4 kj mol-1 at its normal boiling point of 334.88 k. calculate
The protein in a 1.285-g sample of an oat cereal is determined by the Kjeldahl procedure for organic nitrogen. The sample is digested with H2SO4, the resulting solution made basic with NaOH
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