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Give the structure of the major and minor organic products formed when HBr reactw with (E)-4,4-dimethyl-2-pentene in the presence of peroxides.
a 255- flask contains pure helium at a pressure of 754 . a second flask with a volume of 470 contains pure argon at a
A student was preparing to recrystallize a solid using mixed-solvent recrystallization. He planned to dissolve the sample in boiling methanol, and then add hot pentane to induce crystallization
The specific heat of silver is 0.235 J/g·K. Its melting point is 962°C, and its heat of fusion is 11.3 kJ/mol. What quantity of heat, in joules, is required to change 7.50 g of silver from solid at 25°C to liquid at 962°C?
HClO is a weak acid (Ka = 4.0 x 10^-8) and so salt NaClO acts as a weak base. What is the pH of a solution that is 0.020 M in NaClO
Show how you can separate a racemic mixture of R,S-lactic acid in its pure enantiomers using a chiral amine of choice. Draw the reactions using structural formulas and describe the process
a cylinder of compressed nitrogen gas contains 867 g n2. if the volume of the cylinder is 22.5 l what is the pressure
If a person were to say that a scientific finding was replicated, he or she would be saying that the finding was
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy
used in high speed centrifuges to separate the parts of a biological cell. How many liters of 3.07 M sucrose contain 245 g of solute?
An unknown compound containing only carbon and hydrogen was burned in excess oxygen. When 8.937 grams of the compound was burned, 28.042 grams of carbon dioxide and 11.482 grams of water were produced. If the unknown compound has a formula mass of..
how many regions of high electron density are there around the central atom of the molecular structure of SbCl3.
If you used 0.165mL of acetic anhydride, and 0.167g of p-aminophenol what was the limiting reageant? How many moles of the non-limiting reageant remained after the reaction was complete
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