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Siler metal crystalizes in a face-centered cubic lattice with L as the length of one edge of the unit cube. The center-to-center distance between nearest Silver atoms is....L/2 or 2 1/2L or 2L or L/2 1/2 or none of the above
A 25.0 mL sample of 0.150 M nitrous acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of nitrous acid is 4.50 x 10-4.
The volume of each glass was 250mL. How much heat, in kJ, did the body have to supply to raise the temperature of the water to body temperature (37 C)?
Suppose we had ran the oxidation reaction with racemic borneol. Is there an analytical technique we could use to verify that the camphor also is racemic. What type of instrumentation would you use. What kind of results would you expect for a racem..
Atmospheric pressure was 744.6 mmHg. Calculate the value of R from this experiment. The vapor pressure of water at 21 degrees Celsius is 18.7 mmHg.
Write an equation for the overall reaction in this experiment ( synthesis of salicylic acid from winter green oil) and use it to calculate the atom economy of the synthesis and your reaction efficiency
Peonin is a red pigment found in the petals of peony flowers. Why do you think peonin is bonded to two hexoses? What monosaccharide(s) would be produced by acid-catalyzed hydrolysis of peonin?
100 mL of 0.06 M TRIS hydrochloride (C4H12ClNO3) is titrated with 1.0 M sodium hydroxide (NaOH). The titration curve is shown. What is the approximate pKa
Evaluate the advantages and disadvantages of UV treatment compared to chlorination.Which method is recommendable for a small town wishing to construct new water treatment facilities and why
Show the electron configuration of phosphorus, P . Be sure to arrange the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10^-4
What mass of precipitate forms when 157.5 mL of 0.749 M NaOH is added to 517 mL of a solution that contains 10.9 g aluminum sulfate per liter
Balance the equations for the formation of HBr(g) and H2S(g) from their elements in their standard states. Include H°f for each reaction.
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