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A molecule of unknown structure has a molecular formula of C9H8O2. In the infrared spectrum there are absorptions at 1761, 1145 and 761 cm-1. In the 13C NMR spectrum there are absorptions at? 168.4, 152.0, 128.2, 128.0, 124.3, 122.8, 116.8, 29.1 and 23.6.
For each of the following mixtures, put an X next to those in which a reaction will occur. potassium bromide and chlorine sodium chloride and bromine potassium iodide and bromine potassium iodide and chlorine sodium bromide and iodine sodium chlor..
Write the electron configuration for zirconium. How many electrons are in each energy level
should steam distillation be considered as a method of isolation and purification of an organic liquid that has a vapor pressure
Why must Group IV be treated with (NH4)2CO3 in basic solution? What would happen if the solution were acidic when the sodium carbonate
Calculate the volume of fluid a patient would need to receive to lower their blood glucose concentration back to normal range. Assume the body has no other way to lower blood glucose concentration.
A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath. To what temperature (oC) will the oil bath need to be heated to first ..
Determine the molarity of a solution made by dissolving 24.8 g of sodium chloride in 750.0 mL of solution
HF has an acid ionization constant Ka =3.5x10-4 State a chemical equation for this reaction corresponding to this Ka
What is the age of a rock whose Argon 40 / Potassium 40 ratio is 1.55? The half life of Potassium 40 is 1.28 x 10^9 years.
List the different strengthening mechanisms and identify the ones that would not apply to pure elemental materials
Will Co(OH)2 precipitate from solution if the pH of a 0.020M solution of Co(NO3)2 is adjusted to a value of 8.00? Ksp for Co(OH)2 = 1.6 x 10-15
What is the molarity of a 1.304 L solution that is made from 14.80 g of NaCl?Answer in units of M.
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