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When alkyl halides react, rearrangements are likely to occur in which of the following types of reactions? A) SN1 B) SN2 C) E1 D) Both SN1 and E2 E) Both SN1 and E1
eject electrons from a mixed alkali metal photocathode, what is the longest wavelength in nm of light necessary to eject these electrons by the photoelectric effect?
A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP
Find the mass of AlCl3 that is produced when 25.Og of Al2O3 react with HCl according to following equation Al2O3+6HCl-
Mechanism for bromobenzene + magnesium turnings + annhydrous diethyl ether + benzaldehyde + H2SO4
Which has the lower concentration of hydrogen ions, vinegar at pH 3 or tomato juice at pH 4? How many times fewer hydrogen ions? Which is more acidic?
If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?
Indicate whether the potassium acetate salt, CH3CO2K is (A) acidic, (B) basic, (N) neutral
Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is
Calculate the number of moles of bromobenzene this represents; then calculate the amounts of all other reagents needed in this experiment relative to this amount of bromobenzene.
how many moles of NH4Cl are necessary to prevent the precipitation of magnesium hydroxide (neglect change in volume due to addition of NH4Cl)? The solubility product for Mg(OH)2 is 1.5× 10-11, and the Kb for ammonia is 1.8 × 10-5.
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell
The enthalpy of combustion of benzoic acid (C6H5COOH) which is often used as the standard for calibratie constant-volume bomb calorimeter; its value has been accurately determined to be 3226.7 kJ/mol.
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