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What causes a child, who is homozygous for hemoglobin S, to bed wet at night? What other organ problems could they have this young?
The pH of 0.5 M formic acic, HCOOH, is 2.02. Calculate the difference in pH when 6.42 g of HCOONa is added to 390.9 mL of 0.50 M formic acid. Ignore any changes in volume.
Consider the following reaction- 2 A(g) + B(g) 3 C(g) + D(g) please determine Kc if 6.0 moles of A is added to 6.0 moles of B in a 2.0 L yields 0.10 moles of D at equilibrium.
solid carbon dioxide goes directly from a solid to a gaseous state at -78 degrees celsius change of hsub 25.2 kjmol
Pipette 10 mL of Reaction Mixture 1 into a 50 mL beaker. Pipette 1 mL of the KMnO4 into the Reaction Mixture, starting the stopwatch immediately.
Write chemical equations for the reaction of fluorine with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations. If no reaction occurs, write noreaction
During the purification and recrystallization of a solid why can't you just remove the solvent by evaporation after filtering and decolorizing
The X rays used for both scientific and medical applications are usually produced by making high-velocity electrons collide with metallic targets. For electrnos accelerated in a field of 75,000 volts. compute the wavelength of the X rays produced
calculate the equilibrium constant keq for the reaction of equimolar amounts of acetophenone and sodium hydroxide to
What is the pH of a buffer solution if you have 250 ml of a 1.56M Acetic Acid and you added 26.56 grams of sodium acetate (NaCH3CO2)?
Although acetanilide and phenacetin aren't appreciably acidic, acetaminophen (like aspirin) is a stronger acid than water. what problem would you encounter if the unknown component were acetaminophen rather than acetanilide or phenacetin
What is the coordination number for each of the following complexes? A. [Co(NH3)4(H2O)2]^3+ B. [Cr(EDTA)]^-
Question- By substituting two hydrogen atoms on the benzene ring with methyl groups, Part 1- Write line-angle formulas of all constitutional isomers.
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