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Explain why the acetyl group can be selectively removed in the presence of the sulfonamide group?
If a piece of rock that has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL?
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
Suppose 11.78 mL of the same thiosulfate solution reacts with the iodine replaced by 20.00 mL of an unknown solution of sodium hypochlorite. Calculate the weight, in grams, of available Cl in a liter of the unknown solution. Enter your answer as a..
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
What will happen to the volume of a gas when the pressure of a gas decreased from 2 atm to 1 atm, while the temp is decreased from 200c to 100c. Will it increase decrease or remain the same.Explain why.
Calculate the amount of acid that would be left in the water solution after four 20-mL extractions with ether. Do the same calculation, using one 80-mL extraction with ether, to determine which method is more efficient.
What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
Does your result agree with the measured overall rate law expression? If not, under what conditions would agreement be observed?
have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
The wavelength ranges corresponding to each color of light are approximate: red, 700-620 nm; orange, 620-590 nm ; yellow , 590-570 nm; green, 570-500 nm; violet, 450-400nm. You have drawn the absorption spectra for the solution containing 5.0, 6.7..
For a 6.70kg of magnesium-lead alloy, is it possible to have the masses of primary (alpha symbol) and total (alpha symbol) of 4.23kg and 6kg respectively at 460°C(860°F)
How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 14.0 L of H2 gas if the pressure of H2 is 757 torr at 20.0°C
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