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If the following three chemicals (benzyl alcohol, benzaldehyde and benzoic acid) were chromato graphed using silica gel TLC plates, which should have the highest Rf value? Hint:What intramolecular forces are involved between each of these chemicals and the SiO2 of the silica gel?
Question- How many mol of single bonds are broken when 2 mol of hydrogen reacts with 1 mol of nitrogen to form hydrazine (N2H4)
A 2 cm string is fastened at both sides is plucked. What is the wavelength of the n = 4 standing wave? How many nodes does it contain?
Calculate the osmotic pressure of a solution that contains 0.151 g of sucrose (MW = 342g/mol) dissolved in 367 g of water at 21?C.You may assume that the density of the solutionis essentially that of pure water.Answer in units of torr.
solute that is non-volatile electrolyte wtih a molar mass of 100g/mol has an osmotic pressure of 12atm at 298K. The density of the solution is 1.20 g/cm3 what is the boiling point of this solution? Kb=0.52 C/m
C6H5OH(s) + 7O2(g) --> 6CO2(g) + 3H2O(g) A 2.000 gram sample of pure phenol, C6H5OH(s), is completely burned according to the equation above.
in the resonance form caused by the delocalization of the immediately adjacent Nitrogen's lone pairs, there is a pi bond.
A compound has a percent composition of 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen. What is its empirical formula? You must show all work to receive any credit. The diesel tank on a tractor has a capacity of 11.0 gallons. Assume the density o..
What type of reaction is the Suzuki reaction. Why is th Suzuki reaction important? What impact does it have on the world of chemistry
A wooden artifact from a Chinese temple has a 14C activity of 34.3 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age. From the half-life for 14Cdecay, 5715 yr determine the age of the artifact.
Which of the following is the strongest oxidizing agent and which one is the weakest in acidic solution: Br2, H2O2, Zn, Cr2O7^2-
consider two cells the first with al and ag electrodes and the second with zn and ni electrodes each in appropriate
Acetic acid, CH3COOH, could be produced from (a) the reaction of methanol with carbon monoxide; (b) the oxidation of ethanol; (c) the reaction of carbon monoxide with methane. write balanced chemical equations for each process. carry out a thermod..
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