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What is the purpose of dissolving the acetanilide in glacial acetic acid prior to beginning the nitration reaction? What happens when you mix sulfuric acid with nitric acid? What is the name of the electrophile used in this experiment? What acts as the nucleophile? Why do you wash the product several times (Procedure Steps 8-10) with water.
How is the product characterized? What major differences in absorption bands would you expect to see in the infrared spectra of acetanilide and p-nitroacetanilide?
Calculate the mass of vapour present in a room of volume 250 meter cube that contains air at a temperature of 23 degree centigrade on a day when the relative humidity is 53%.
Calculate the work done by the system as a result of the reaction. The atmospheric pressure is 1.0 atm and the temperature 25 C.
Calculate the pH of a solution made by dissolving 2.89 g of sodium fluoride and 17.1 mL of 0.309 M hydrofluoric acid in enough water to make 177 mL of solution.
Determine the concentration of the sulphuric acid (H2SO4) solution If It takes 58 mL of 0.124 M potassium hydroxide(KOH) to neutralize 41.5 mL of sulphuric acid( H2SO4) solution.? Express your answers in units of moles/liter
compute the volume of sodium hydroxide that is required to make a buffer with a pH = 5.77.? given that pKa = 4.77. and initial volume of the acid solution = 1.00 Litre.
When this sample was reacted with excess hydrochloric acid, 315.23 mL of hydrogen gas, collected over water at a barometric pressure of 757.1 torr and a temperature of 21.3 C was generated. A) Determine the number of moles of hydrogen gas generate..
what are the names of the quantity measured by each of seven SI base units and the SI symbols of the unit?
Explain how effective clean coal technologies are with regard to reduction in carbon dioxide pollution levels and minimization of the carbon footprint.
A solution contains 0.10 mol/L of a diprotic acid. The diprotic acid has the following pKa values: pK1 = 5.00 pK2 = 7.05 What is the isoioni point of this acid?
To find the volume of a flask, it is first evacuated so it contains no gas. Next, 2.2 g CO2 is introduced into the flask. On warming to 33 °C, the gas exerts a pressure of 760.0 mm Hg. What is the volume of the flask in milliliters
The reaction between 0.0459g of magnesium with excess of HBr was carried out in an ice calorimeter. The volume of water in the calorimeter decreased by 0.18mL during the reaction.
Decide how many of the molecules below can also be both cis and trans ring fused by building models
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