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Sickle-cell anemia is caused by a genetic defect that substitutes valine for glutamic acid at one position in two of the four chains of the hemoglobin protein. The result is a decrease in the water solubility of hemoglobin. Examine the structures of valine and glutamic acid and explain why this might be so.
calculate the molar concentration of all the ions remaining in solution after the reaction has taken place ... Cr(III), hydroxide, potassium, nitrate
Write a balanced equation for the acid-base reaction between benzoic acid and KOH. Using a pKa table, predict which way the equilibrium is favored.
Find the entropy change of the system and of the surroundings if 3.000mole of water freezes reversibly at 1.000atm. the freezing temperature is 0.00C at this pressure, and the specific enthalpy change of fusion is equal to 79.7cal/gm at this tempe..
Choose the strongest interparticle force in this substance. Kr a. dipole-dipole b. dispersion c. H-bonding d. ionic bonds e. dipole-induced diploe
what is the best way to distinguish between levorotatory and dextrorotatory enantiomers if measured optical rotation is
A flask contains 0.500 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
Calculate the molar solubility of AgCl in a solution made by dissolving 10.0 g of CaCl2 in 1.00 L of solution.
A 0.1000M solution of ethanoic acid (HC2H3O2) is only partially ionized so that [H+]=2.25X10^-3M. What is the acid dissociation constant for this acid?
The atomic mass in g mol of Fe=55.85, S=32.07 O=16, calculate the number of moles of the negative ions present in 7.45g of iron (III) sulfate.
What ions are in these solutions. cold tap water, 0,9 % NaCl (aq), 0,1 M acetic acid, 0,1 M HCl, 0,1 M NaC2H3O2 (aq), 0,1 M ammonia.
A student decomposed Potassium Chlorate to create oxygen gas. The oxygn was collected by displacement of water at 22 degrees C and the total pressure was 754 torr.
Write the ground state configurations of C2 and F2 and then predict which molecule should have the greater bond dissociation energy.
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