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The ester ethyl p-nitrobenzoate is more reactive towards nucleophilic acyl substitution than ethyl p-methyoxybenzoate. Explain the reactivity difference with words and structures.
Calculate the expected theoretical yield of aspirin based on exactly 1 g of salicylic acid and 3.50 mL of acetic anhydride (density = 1.082 g mL-1).
2.00 moles of a gas occupies 62.2 L at a par- ticular temperature and pressure. Its density is 0.900 g/L. What is the molar mass?
During the saponification of ethyl tetradecanoate, would you expect the product to generate foam/froth when mixed
A gaseous mixture of O2 and Kr has a density of 1.184 g/L at 385 torr and 300. K. What is the mole percent O2 in the mixture?
Calculate the molarity of hydrogen peroxide if 28.75 mL of hydrogen peroxide produced 695 mL of oxygen gas at 0.950 atm and 315 K?
How long would it take to electroplate a metal surface with 0.500 g nickel metal from a solution of Ni 2+ with a current of 4.0 A?
you decide to use methyle red indicator instead of universal indicator for preparation of your pH color standard what effect have on your data?
Calculate the approximate SO 2 mass emission in lb/day.
If you want to feed everyone, but still have equal numbers of buns and hot dogs, what is the minimum number of packages of buns and hot dogs you need, respectively?
Draw graphs representing Boyle's law, Charles's law, and Gay-Lussac's law for a fixed amount of gas. Make sure that you label each axis and state the assumptions for each law-that is, the variable(s) that is (are) held constant for each law.
A mixture of 2.0 mol of H2 (g) and 1.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 25 C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
The mass of the isotope, I-129, is 128.905 amu while the atomic mass of the contaminated iodine sample is 127.1982 amu. What is the mass of the contaminant?
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