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The molecular formula of C7H10O (3 degrees of unsaturation) was shown to give peaks in the 1H-NMR at 1.3 ppm (single), 2.9 ppm (single), 6.1 ppm (doublet), and 6.6 ppm (doublet). What is the structure of this molecule?
Why is the intercept of a calibration curve of absorbance vs concentration not zero?
407 mL of H2 gas is collected over water at 785.3mm Hg and 23.5 degrees C. What would be the volume of this dry gas at standard conditions?
Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the value may differ from the tabular value).
Draw the structures of [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2
Draw (a) planar conformation and (b) nonplanar (chair) conformation of trans 1,4-dimethylcyclohexane.
What are the possible values of the angular momentum quantum number l A.)represented by the formula: l = 2k + 1, where k is a positive integer B
Calculate the specific heat of the vanadium. All the possible information and still can't figure out how to find vanadium's specific heat as no amount of heat is given.
What is the molarity of an HCl solution if 23.3 mL of the solution is required to react with .266 g of Na2CO3
The relative humidity of air is equal to the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature
If I have .0888g of potassium hydrogen sulfate, its density is 2.322g/mL and its molecular weight is 136.17g/mol how many mols do I have
a 1.50 l buffer solution is 0.250 m in hf and 0.250 m in naf. calculate the ph of the solution after the addition of
the naturally occurring compound urea conh22 was first synthesized by friedrich wohler in germany in 1828 by heating
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