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Explain why aspirin is more soluble in ethanol than in water. For either of these solvents explain why it would be a better choice as a recrystallization solvent than the other (water vs ethanol)
Attached: When 102 J of energy are added to a sample of gallium that is initially at 25.0 oC, the temperature rises to 42.0 oC. What is the volume of the sample in cubic centimeter?
A 25.00mL sample of 0.1966 M V2+ solution requires 48.97 mL of .3000 M Ce4+ for titration. The Ce4+ is converted to CE3+ in the titration reaction. What is the oxidation number for vanadium ion after the titratoin is complete
determine the numerical values for them the subscript hot, cold, and total stands for the hot brick, the cold brick and the sum of the two.
Considering the 13C NMR spectras for o-nitrophenol and p-nitrophenol. Please label each peak in decreasing order of ppm value and give a thorough explanation on why it is given such valuee compared to the other peaks.
Question- Predict the major organic product formed when the compound shown below is heated with Ac2O (acetic anhydride). Draw only the product containing the aromatic ring.
Bar Keepers Friend is a household cleaner containing oxalic acid, a diprotic acid where pKa1=1.27 and pKa2=4.27. If the molarity of oxalic acid in one bottle of Bar Keepers Friend is .458M, what is the conentration of A2- at pH=3.98?
You pass a road sign saying "New York 115 km." If you drive at a constant speed of 65 mi/h, how long should it take you to reach New York? (Round to the nearest minute.)
If a 1.55- reaction vessel initially contains 181 of water at 700.0 in contact with excess solid carbon, find the percent by mass of hydrogen gas of the gaseous reaction mixture at equilibrium.
The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -5.4°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.
Oxygen gas at 34.5ºC expands from 34.5L to 45.7L against a constant pressure of 750mmHg. What is the work done in joules by the system
why is anhydrous sodium sulfate added to the organic solution remaining after the extractions with 6 M HCL and 6 M NaOH
What volume in mL of 2.00 M sodium bicarbonate solution is needed to neutralize 25.0 mL of 4.00 M HCl?
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