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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.
What is the concentration of H2SO4 present if 42.3 mL of the base is needed to reach the equivalence point?
Determine number of moles of oxygen molecules are in the cylinder and compute the mass of solid C 2 H 3 NaO 2 required mixing with 60.0mL of .125M C 2 H 4 O 2 to form a ph 4.20 buffer?
Nitrogen dioxide decomposes according to the reaction given below where Kp = 4.48 10-13 at a certain temperature. 2 NO2(g) 2 NO(g) + O2(g)
Calculate the equilibrium concentration of each substance in the reaction. b.) Calculate the equilibrium constant for the reaction.
(a) What is teh rate law for the reaction. what is the value of the rate constant
Devise a cell in which the following is the reaction and calculate the standard cell potential: Ga(s) + CuSO4(ag) --> Ga2(SO4)3 + Cu(s)
Aqueous solutions of nickel(II) sulfate and mercury(I) nitrate react to give aqueous nickel(II) nitrate and a mercury(I) sulfate precipitate
the recommended adult dose of elixophyllin a drug used to treat asthma is 6 mgkg of body mass. calculate the dose in
An inorganic chemist who studies the reactions of phosphorus halides mixes 0.105 mol of PCl5 with 0.045 mol of Cl2 and 0.045 mol of PCl3 in a 500-mL flask at 250oC .
A mixture of 65 mol% methane, 30 mol% hydrogen, and 5 mol% nitrogen is burned to heat a boiler used to produce hot steam. The ratio of CO2 to CO in the exhaust gas is 10:1.
write seperate oxidation and reduction half reactions3 no3- aq 8al s 5 oh- aq 18 h2ol ---gt 3 nh3 g 8 aloh4-
The Milikan experiment is important because it determined the of an . Using Thomson's and Milikan's the of an was determined. Rutherford's experiment is important because it clearly demonstrated that the is mostly
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