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A compound with molecular formula C9H12O has strong infrared absorption at 3300 to 3400cm-1. The 13C NMR spectrum of this compound has six signals. Its 1H NMR spectrum illustrates three singlets at 1.1 ppm (6H), 1.9 ppm (1H), and 7.3 ppm(5H). Give a structure for this compound.
Define the following terms: carbohydrate, monosaccaride, disaccharide, polysaccaride. Give an example of a simple sugar and name the functional group associated with your example.
Determine the % error for the quantity (0.5022g+-0.3mg) 2. Determine the % relative error for the following quantities
100 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10-5
What is the H3O+ concentration and the pH for a 0.001M HCl solution in one liter of a 0.01M CaCl2 solution. Solution is ideal. Real solution using DH Limiting Law
the freezing point of a solution of 0.10g of an unknown compound in 5.640g of camphor kf37.7cm is 2.1 c lower than the
Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 \rm J/(g\cdot K), as water over this temperature range.
A solution is made by dissolving 25.7 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution
Assuming the difference in relative boiling points of methyl acetate (bp 57 oC) and 2-butanone (bp 80 oC) is caused by the difference in their dipole moments, which compound has the greater dipole moment. Use a vector analysis of bond dipoles to e..
What is the pH at the equivalence point when 100.00 mL of a 0.200 M solution of acetic acid (CH3COOH) is titrated with 0.10 M NaOH to its end point?
A wildlife biologist is interested in testing the pH of the water in a lake. He obtains a 200. mL sample of the water and titrates this sample with a .050 M NaOH solution.
The molecular shape of [TeF3 ]-1 is: A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
How many liters of O2 are needed to react completely with 45.0L of H2S at STP? 2H2S(g) + 3O2(g) -> 2SO2(g) +2H20(g)
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