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Find the pH and volume (mL) of 0.0372 M NaOH needed to reach the equivalence point(s) in titrations of the following:
a) 46.6 mL of 0.0584 M CH3COOH
b) 18.4 mL of 0.0842 M H2SO3 (two equivalence points)
write three dimensional structures of meso-stilbene dibromide and one enantiomer of dl-stilbene dibromide
What causes the colors of these complexes? How do these colors relate to the expected positions of these ligands in the spectrochemical series?
A sample of He gas was found to effuse 6.3 times faster than an unknown gas. What is the molecular weight of the unknown gas
A certain reaction with an activation energy of 185 kJ/mol was run at 485K and again at 505K. What is the ratio of f at the higher temperature to f at the lower temperature
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D
what is the fundamental mechanism by which enzymes enhance the rate of chemical reactions?
A single cell has a radius of 15 um, a volume of 14.1 picoliter, and a mass of 15.5 nanograms. what is the density of this cell in g/mL
Copper (II) oxide can be reduced to copper metal by heating in a stream of hydrogen gas:CuO(s) +H2(g) -heat--> Cu(s) +H2O(g)
heat from a mountain climber's stove at an elevation where the boiling point of water is 89 degrees celsius, how many kJ are required to boil the water?
How much heat is required to warm 1.40 kilograms of sand from 24.0 degrees Celsius to 100.0 degrees Celsius?
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 2-methyl-2-butanol as the MAJOR product
Calculate the molality, molarity and mol fraction of a 25.4% (by mass) aqueous solution of phosphoric acid (H3PO4). in one litre of solution.
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