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1. What is the difference in water solubilities of fumaric and maleic acid? Which one is more water soluble?
2. Even though the solvents and conditions are not identical, which of the above mentioned acid appears to be more reactive to bromine addition? On what did you base the answer?
Calculate the pH of a buffer solution prepared by dissolving 4.3 g of NaHCO3 and 5.5 g of Na2CO3 in 0.20 L of water.
Draw the major organic product of the reaction. Indicate the stereochemistry via wedge/dash bonds, including explicit H and D atoms
calculate the specific heat capacity of zinc given that a 65.5g sample loses 2008J of heat when cooled from 100.0 degrees celcius to 21.1 degrees celcius.
What is the mass of a piece of aluminum if it required 857 J of energy to raise the temperature by 34.5 degrees C?
Nicotine, a component of tobacco, is composed of C, H, and N. A 12.075 mg sample of nicotine was combusted, producing 32.757 mg of CO2 and 9.391 mg of H2O. What is the empirical formula for nicotine?
Why is sulfuric acid, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?2. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation meas..
What are the advantages of the Stock system of nomenclature over the former one?
Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
Standardization of Na2S2O3, Added 0.12 g KIO3 and dissolved in 75 mL of distilled water. Added .20 g of KI to solution, then added 10 mL of 1M HCl and immediately titrated with thiosulfate solution (made by weighed 25 g of Na2S2O3-5H20
Draw and construct the open-chain model of glucose, How many chiral carbons are in the open-chain version of glucose?
The distance between layers in a crystal is 321 pm. X rays are diffracted from these layers at an angle of 45.6°. Assuming that n = 4, calculate the wavelength of the X rays in nm.
what is the energy of a single UV photon and a mole of UV photons having a wavelength of 25 nm?
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