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Predict whether the following solutions will be acidic basic or nearly neutral a) NH4l b) NaNO2 c) FeCl3 d) NH4F, where NH4+ is Ka=5.6 x 10^10; F is Kb= 1.4 x 10^-11
A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. the combustion of 88.5 mg produced 241 mg of CO2 and 49.2 mg of H2O. the molar mass of the compound was 162 g/mol.
When a person moves from the fed to the fasting state following a meal, there is an incase in the mobilization of the components of triacylglycerol. all of the following help to maintain blood glucose levels during the first 12 hours of the fast
In IR spectroscopy does the position of the stretch of the oxygen-hydrogen bond in alcohols depend on the concentration of the alcohol?
The use of high salts, e.g. "salting out" is a common technique used during protein purification. Describe the chemical process underlying this method.
if the freezing point of a .106 m CH3COOH solution is -.288 degrees celsius, calculate the percent of the acid that has undergone ionization?
If 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
20.00mL of radiator liquid, ethylene glycol has a mass of 20.85 g. What is the density of the liquid?
According to the Bohr model, the allowed energies of the hydrogen atom are given by the equation: E = (-21.7 x 10-19)/n2 J. Which of the following energy levels is not possible in the Bohr hydrogen atom
Compute the mass of an electron if the difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 grams?
How many molecules of ice at 0 degrees celsius can be melted from the complete transfer of the heat involved when 25.6 Grams of nitrogen is reacted with 34.5 L Of hydrogen gas at STP.
List and describe briefly the 2 methods which are used by drug companies to discover lead compounds
Draw all products of the reactions of 4-Chloro-2-methylpentane with NaCN and AgCN. Identify the reaction mechanisms and draw resonance structures
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