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Which of the following solvents, hexane, methylene chloride, acetone, or methanol will give the best seperation on a TLC plate of a mixture composed of: Benzophenone and benzohydrol (also known as diphenylethanol) and why?
What substance ionizes nearly completely in aqueous solutions and produces hydronium ions? a weak base, strong base, weak acid, or strong acid.
Calculate Qsp for calcium flouride (Ksp=3.9 x 10^-11) when 230.0 mL of a 0.00790 M solution of Ca(NO3)2 is added to 275.0 mL
If it is known that 41.6 grams of PURE ELEMENT THAT IS NOT DIATOMIC represents 1.30 moles of this element, what is the atomic mass of the element?
What is the probability of finding a particle of mass m in (a) the left-hand and one-third, (b) the central one-third, and (c) the right-hand one-third
At a temperature of 435C and a pressure of 715 mmHg, how many grams of NH3 can be produced when 4.50 L of NO2 react?
The solubility of CaSO4 in pure water at 0.0 C is 1.13 gram per liter; what is the value of solubility product
Chemistry - Estimation of Mass Required in a Reaction, With the reaction, CaCO3+2Hcl->CaCl2+H2O+CO2. Using percent by mass what is the weight of HCl needed to react
A solution of water (Kb=0.512 C) and glucose freezes at 4.15. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 .
What volume of hydrogen gas is produced when 1.40 mol of carbon monoxide reacts completely according to the reaction at 0oC and 1 atm?
Classify each reaction and give the name of all the chemical formula involved for each number
Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
Find out the amount of energy released by this process of fission of a single U 235 atom and expree your answer in joules?
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