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A sports beverage company is seeking an energy supplement to increase the performance of the athletes. An ongoing research project suggest the use of a tetrasaccharide with the following characteristics
a. tetrasacchride consist of three sugars around a central ?-D-fructose
b. the ?-D-fructose is connected to an ?-D-glucose by an ?-2,4 glycosidic linkage
c. an ?-D-ribose is attached to the fructose by an ?-1,6 glycosidic linkage
d. a ?-D-galatose is attached to the fructose by a ?-1,4 glycosidic linkage
Draw the structure of this tetrasacchride (use Haworth projections for the structures of the sugar)
Calculate the pH of the following aqueus solution: 0.61 M NH4Cl (pKb for NH3=4.74)
a block of aluminum with the volume of 96.5 g absorbs 65.3 J of heat. If the initial temperature is 31.2 degrees celcius, what is the final temperature.
How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?
Equal initial pressures of hydrogen and nitrogen are added to a container at 298K where they react as in question 1. (question 1 is at the end) a. If the equilibrium pressure of hydrogen is 1.5 atm, determine the equilibrium pressures of nitrogen a..
The equilibrium constant Kp for the reaction ; CCl4(g) C(s) + 2Cl2(g) at 700 celcius is 0.76 atm. Determine the initial pressure of carbon tetrachloride
calculate the amount of energy in kilojoules needed to change 153g of water ice at -10 C to steam at 125 C.
what is the pH of a solution prepared by dissolving 4.5 g HCl in water to make 410 mL of solution?
Periodicity in the ionization energy and balancing the equation - Complete the following chemical reactions by writing the product(s) and balancing the equations:
Given stock solutions of glucose (1M), asparagine (100 mM), and NaH2PO4 (50 mM), how much of each solution would you need to prepare 500 mL
compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC?
The volume of a cylinder in an auto is 0.44L. the cylinder is filled with a gasoline and air mixture at 1.0 atm and then is compressed to 0.073L prior to ignition.
A common rocket propellant is a mixture that includes liquid hydrazine, N2H4, as a fuel and liquid hydrogen peroxide, H2O2, as an oxidizer. The products formed are nitrogen, N2(g), and water, H2O(g).
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