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Explain the order of elution you observed while performing the gas chromatography for this experiment. What property of the product molecules seems to be the most impor- tant in determining relative retention times?
You want a reaction that will afford the highest yield for the conversion of 2-bromo-2-methylpentane to 2-methyl-1-pentene. Which of the following sets of reagents would work the best
The solubility of solute in a solvent depends on various parameters, such as temperature, pressure, the nature of the solute, and the nature of the solvent. Considering these parameters, identify the statements that are correct for the solubility ..
calculate the number of molecules present in each of the following samples.
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.195 M in C2H5NH2 and 0.155 M in C2H5NH3Br. Express your answer using two decimal places.
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
The following gas phase reaction is second order. 2C2H4(g)--->C4H8(g) Its half life is 1.51 min when [C2H4] is 0.250 M. a.What is k for the reaction?
When a solution of A is mixed with one containing B- ions, the color changes from green to red. Which species is oxidized?
The specific heat capacity of a certain monatomic solid is 0.392J*k^-1*g^-1. The chloride of this element (XCl2) is 52% chlorine by mass.
in the resonance form caused by the delocalization of the immediately adjacent Nitrogen's lone pairs, there is a pi bond.
Heart pacemakers are often powered by lithium-silver chromate "button" batteries. The overall cell reaction is: 2 Li(s) + Ag2CrO4(s) -> Li2CrO4(s) + 2 Ag(s)
A cylinder contains 28.5L of oxygen gas at a pressure of 1.8 atm and a temperature of 298k. How much gas (in moles) is in the cylinder
product and propose a mechanism when 1-pentene reacts with bromine and water followed by the addition of sodium hydride.
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