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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?
What is the NMR spectrum of benzene, Suppose Dewar,Ladenburg,and Kekul?? had had a 13 C NMR spec- trometer.How many signals would the various candidates
Which of these statements correctly describes a diamond?
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3.
A gas has an initial volume of 2.75 L at temperature of 285 K. If the temperature changes to 380 K, what is the new volume of the gas if the pressure is unchanged?
At 1.00 atm and 23 C, how many liters of carbon dioxide are formed by the combustion of 3.40g of butane?
If 25.0 mL of AgNO3 is needed to precipitate all the Cl- ions in a 0.795 mg sample of KCl(forming AgCl), what is the molarity of the AgNO3 solution.
A reaction where A +B ? C +D has a ? Go' of 5 kcal/mole and the concentrations are for A through D, respectively 10 mM, 5 mM, 2 mM and 3 mM. Find the ?G' and state if favorable or not.
The Common Ion Effect. What is the pH of a solution that contains 0.250-M benzoic acid and 0.600-M sodium benzoate?
A radioactive sample of 100g has been reduced to 1.56g in 85 years. How long is the half-life?
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
which of the following transition metal complexes is diamagnetic?
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