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When synthesizing aspirin in the lab, what is the purpose of the sulfuric acid in the mixture? ((Mixed 2g salicylic acid, 5mL acetic anhydride, 5 drops concentrated sulfuric acid, added distilled water after heating)). . . . . . . What is the theoretical yield of aspirin since salicylic acid is the limiting reagent?(please show calculation used) . . . . . . . What is the new type of compound formed in this?(i.e. an amide, ect?)
Draw the molecular-orbital-energy level diagram for the SO molecule and the NF molecule
Determine the characteristic wavelengths if an electron are accelerated through an electric potential to a kinetic energy of 18kev.
The pH of rainwater in a polluted area was found to be 3.50. What is the H+ concentration
A steel contains 18% cementite and 82% ferrite at room temperature. Estimate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid
Calculate the molarity of the NaCl solution in the tank and the volume of the tank in liters. Reaction: NaCl(aq) + AgNO3(aq) -> AgCl(s) + NaNO3
some ice cubes at 0 degrees c with a total mass of 379g are placed in a microwave oven and subjected to 750. w 750.
Describe how chemical labeling and crystal structures can be used to determine residues important
Citronellol or dihydrogeraniol is a naturally occurring oil. The IUPAC name for citronellol is 3,7-dimethyl-6-octen-1-ol. (+)-Citronellol, which is found in citronella oils, is the more common isomer.
She claims that the uncertainty of the bacterium's position is greater than the microscope's viewing field, and the bacterium is thus impossible to locate. What is the uncertainty of the position of the bacterium?
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately.
Calculate the number of grams of alcohol present in 1.00 L of 78 proof gin. The density of ethanol is 0.798 g/mL.
What is the molar solubility of lead(II) chloride in a solution that also contains 0.15 M Cl- ions at 25 °C? The Ksp of PbCl2 is 1.6 × 10-5.
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