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How many grams (g) of sucrose (C12H22O11) should be dissolved in 433.6 g water to produce a solution that freezes at 1.93 ºC above the boiling point of water? Kb = 0.512 ºC/molal.
How many grams of NaH2PO4 are needed to react with 43.74 mL of 0.285 M NaOH by the following reaction- NaH2PO4(s) + 2 NaOH(aq) --> Na3PO4(aq) + 2 H2O(l)
P4S3 -> Dinitrogen pentoxide -> Stannic oxalate -> Zinc cyanide -> Chromic bisulfate -> Fe2(CrO4)3 -> HNO2 -> CoHPO4 ->
nathen and su-liu have new jobs at the fun house. they have been given the job of counting the balls in the kiddie
Calculate the equilibrium concentrations of boric acid (H3BO3) and the borate anion (H2BO3-) in pH 8 seawater, given a total boron concentration (H3BO3 + H2BO3-)
Suppose HI at 5.00 10^-1 M, H2 at 1.00 x 10^-2 M, and I2 at 5.00 x 10^-3 M are mixed in a 5.0 L container. Calculate all concentrations at equilibruim.
What monatomic ions do selenium (Z = 34) and cesium (Z = 55) form? (Type your answer using the format [Cu]+ for Cu+ and [Cu]2+ for Cu2+.)
convert your answer from part a to an equivalent in megatons of tnt the unit used for nuclear bombs. comment on the
A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0M Chromium(II) ion solution and another electrode composed of silver in a 1.0M silver ion solution, connected by a salt bridge.
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used. Assume that the Arrhenius pre-exponential factor, A, is the same for the catalyz..
Like many ATP-dependant enzymes, the ATP synthase can be "run in reverse" by providing the enzyme with ATP. If the ATP synthase was reversed while inside the mitochondrion, which of the following would occur?
Write an equation for the hydrogenation of glyceryl trilinolenate, a fat formed from glycerol and three linolenic acid molecules.
Consider a sample of excited atoms that lie 3.483*10^-19 J above the ground state. Determine the emission wavelength of these atoms.
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