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Sugar J is nonreducing. Upon treatment with NaOH and dimethyl sulfate followed by acid workup and nitric acid produces meso-2,3-dimethoxysuccinic acid and 2-methoxymalonic acid. When treated with acid a hexose, sugar K, and methanol are formed. When treated with nitric acid sugar K forms an optically active diacid. When subjected to Ruff degradation sugar K forms a pentose, sugar M . When treated with nitric acid sugar M forms an optically active diacid, N. Show the structures all compound J-N. Explain your reasoning. If there is a structure of which you are unable to determine the exact configuration, explain why it is impossible to determine from the information given.
Assume that you have molecules in a glass tube. At non-zero temperature T, some of the molecules are thermally excited into higher rotational levels.
A weather balloon has a volume of 450 L when filled with helium at 45oC to a pressure 0.80 atm. What is the new volume of the balloon in an atmosphere where the pressure
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.300 M NaOH. B. What was the initial concentration of HCl?
A 55 mL sample of 0.15M Ca(OH)2 is neutralized by 47.2 mL of HBR. What is the molarity of the acid?
25 cubic centimetres of potassium hydroxide solution were neutralized by 24.0 cubic cenimtre of 1M per decimetre hydrochloric acid. what is the concentration in molar per decimetre of alkali?
After careful consideration, the student decides to se the method of recrystallization. What should be the characteristics for a good solvent that the student should consider? Identify them by circling those that apply:
The quadratic formula is used to solve for x in expressions taking the form of a quadratic equation: ax2 bx c = 0, Solve for x in the following expression using the quadratic formula
what is the mole fraction of each componet in solution? ethanol, methanol, water.
Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 220.0 mL to make a 1.50 M solution of sodium hydroxide
The density of diamond is 3.51 g/cm . The international (but non-SI) unit for weighing diamonds is the "carat" (1 carat = 200 mg exactly.) What is volume of a 0.66 carat diamond?
Identify the atom whose electron configuration is [Ar]3d74s2. Write the one or two letter symbol for the element. How many unpaired electrons are there in the ground state of this atom
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