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When 2-iodobutane is treated with a variety of oxyanion bases in DMSO at 50 oC, the percentage of 1-butene formed among total butenes are listed in the following table. Provide an explanation for the trend observed by comparing the basicity of the oxyanion bases. Include any additional structures necessary in your explanation! B ase % 1-Butene in Total Butenes Potassium p-nitrobenzoate 5.8 Potassium benzoate 7.2 Potassium p-aminobenzoate 8.0 Potassium phenoxide 11.4 Sodium 2,2,2-trif luoroethoxide 14.3 Sodium ethoxide 17.1
Which of the intermolecular forces is the most important contributor to the high surface tension shown by water and What is the quantum of light called?
what is the structure of A 1:1 molar ratio of methane and oxygen, and calculate the oxygen balance
In what order would the amino acids arginine, leucine, and lysine be eluted from a Dowex-1 column at pH 10.5? (b) In what order would glutamic acid
When much of the ATP is depleted in a cell, a considerable amount of cAMP is formed asa product of ATP degradation. This cAMP activates an enzyme phosphorylase that splitsglycogen
Draw the structure of any D-ketoheptose in the open chain form, and answer the following questions (you must use either Haworth projection or chair conformation in each of the points below)
The decomposition of SO2CL2 to SO2 and Cl2 is first order in SO2CL2 and has a half-life of 4.1 hours. If you begin with 1.6 x 10^-3 moles of SO2CL2 in a flask, how many hours elapse until 2.00x10^-4 moles remain?
Calculate the number of photons that were absorbed by the water. Assume water has a density of 1.00 g/ ml and its specific heat is 4.184 J/ G 0C
Must use heating method and provide complete list of items used as well as the variables. A hypothesis, aim and title will be greatly appreciated.
Consider a hypothetical reaction in which A and B are reactants and C and D are products. if 15grams of A completely reacts with 12grams of B to produce 14grams of C, how many grams of D will be produced.
A 0.521-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.45 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar..
which effect on atomic size is more significant, the nuclear charge (p+) or the energy level that the eleectrons are filling explain why.
Explain in general terms what a reference sample is and what its purpose is in spectrophotometry.
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