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Beta sheets are a kind of secondary structure in proteins. A segment of a single chain in an antiparallel? sheet has a length of 158 Å . Explain how many residues are in this segment?
a compound with a partition coefficient kp of 0.5 betweensolvents a and b ab 0.5 is dissolved in 100 ml of a. which is
Write an equation for the formation of an aqueous solution
Pure silver has a density of 10.50 g/cm3. A 22.8 gram sample reputed to be silver displaces 2.0 mL of water. Is the sample pure silver? and why?
16 fl. oz of a certain sample of juice contains the recommended daily allowance 60 mg. given that 1 qt. 0.95 l and
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm. Assume that the total volume of blood in the body is 5.0 L. C..
calculate the theoretical yield of ethanol based on a 360 ml of a 22 by weight solution of sucrose density1.09
if the activation energy is 55kJ/mol, determine the rate constant at 26 celcius. dinitrogen tetroxide decompses to nitrogen dioxide with a rate constant
show states of matter and charges where appropriate. Also find molecular equation, total Ionic Equation, and Net Ionic Equation.
If a drop of water clings to the outside of the foil cap and is not removed, how would the experimentally determined molecular weight be affected? Too high or too low?
A mixture of liquid hydrogen and water (99.99 mole %) is in equilibrium with hydrogen gas and water vapor at 25°C. Assuming ideal solution behavior, calculate the system pressure and the molar composition of the gas phase.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
Draw products A through E for the following series of reactions. If both ortho and para product would form, continue on only with the para product, but mention that ortho would also be a product.
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