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In which region of the carbon-13 NMR spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone? The given chemical shift ranges are approximate. A. 50-80 ppm B. 180-210 ppm C. 100-150 ppm D. 65-85 ppm E. 9-10 ppm F. 110-170 ppm
What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
The recommended adult dose of Elixophyllin, is 6.0 mg/kg of body mass. calculate the dose in milligrams for a 120 lb person.
What would be the hybridization for a molecule with a central atom that is bonded to 5 peripheral atoms and that has 3 nonbonding valence
A solution of H2SO4(aq) with a molal concentration of 3.22 m has a density of 1.183 g/mL. What is the molar concentration of this solution?
Calculate the final temperature for 225 g of water, which starts at 20 degree Celcius , after 0.75 grams of biodiesel have to be burned to heat the water
An aqueous solution contains 3.00% phenylalanine (C9H11NO2) by mass. Assume the phenylalanine is non-ionic and nonvolatile. Find the following
51.1 g of a substance X dissolves in enough water to make 0.754 L of a 0.579 M solution. Calculate the molar mass of X in g/mol
A) How many ions will this compound create in aqueous solution ? B) What is the coordination number of chromium ?
A diamond is made of pure carbon. The distance between any two neighboring carbon atoms in a diamond is 1.54 angstroms. What is the distance in inches
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
A student prepared the Ni^2+ standar solution and obtained the following buret readings for solution #2, Calculate the concentration of Ni^2+ in the resulting solution.
Which of the following compounds has the greatest Coulomb force. Which has the smallest? Enter the name of the compound.
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