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1) Why does a glycogen molecule have one reducing end?
2) True or False:
From the abbreviated name of the compound galactosyl (alpha beta 1 -->1) glucose we know that,
A) The glucose residue is the alpha-anomer
B) The glycosidic bond here is between the two anomeric carbons of galactose and glucose
C) The galactose is at the reducing end.
D) Both sugars are the D-form
Calculate the density of propanol C3H8O if you know that there are 1.069×10 25 molecules of propanol in 1.35 L.
What mass of Cu is electroplated by running 13.0 A of current through a Cu^2 solution for 4.00 h? Express your answer to three significant figures and include the appropriate units.
The boiling point of water is about 200 degrees Celcius higher than one would predict from the boiling points of hydrogen sulfide and hydrogen selenide. One may explain this apparent anomaly by which of the following?
If 0.02 moles of PbCl2 is added to 500 dm3 of a 0.01 M salt water solution, what is the Qs value and will PbCl2 precipitate?Ksp = 1.6 x 10-5.
How much heat is needed to melt 22.4g of ice at zero degrees celcius to form liquid water at zero degress celcius?
Given a pure preparation of these algae, and the required supplies and equipment, devise and outline an empirical procedure for purifying Enzyme X.
Which of the following will react with Benedict's reagent?
What volume of O2 at 988 mm Hg and 33 degrees celcius is required to synthesize 19.5 moles of NO2.
The buffer from Part A is diluted to 1.00 rm L. To half of it (500. rm mL), you add 0.0250 mol of hydrogen ions without changing the volume. What is the rm pH of the final solution?
Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC , the freezing point depression constant for C 6 H 6 = -5.12 o C/m .
A mixture of cyclopropane gas and oxygen is used as an anesthetic. Cyclopropane contains 85.7% C and 14.3% H by mass. At 50.0C and .984 atm pressure, 1.56 g cyclopropane has a volume of 1.00 L. What is the molecular formula of cyclopropane?
An acre of corn can produce about 375 gallons of ethanol, using only the kernel of the corn for conversion to ethanol. Assume the energy input to produce an acre of corn is 15000000 kJ.
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