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How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)? (Hint: Predict the expected signals for reactants and products, and identify the major differences)
How much Tris (molecular mass 121.14 g/mol) is required to react with 35 mL of 0.10 M HCl
Compound B has molecular formula C6H10O and does not possess any bonds. When treated with concentrated HBr, cis-1,4-dibromocyclohexane is produced. Identify the structure of compound B.
Once the solvent front reaches the top of the chromatographic paper,solvent begins to evaporate from the top edge of the paper, and the remaining solvent continues to move up the paper.
Write the cell diagram for a galvanic cell consisting of a tin electrode in contact with 0.0100M tin(II) chloride solution and a chromium electrode in contact with a 0.50M chromium (III) nitrate solution.
Consider the boron trifluoride molecule, BF3, that results from the bonding of three fluorine atoms and one hybridized boron atom. A) The nub that is seen just below the boron central atom is one of the ends of a hybrid sp2 orbital.
find the number of automobiles whose total mass is the same as 1.0 mol blueberries if the mass of an average blueberry
use the chemical equation 2ch3ohg 3og2co2g4h2og to estimate the quantity of energy released in the combustion of
Estimate the average area of a cell in square micrometers, and the diameter of a single cell in micrometers, using the data below. Assume the cells are roughly spherical. What is the average cell surface area
2 NaClO3-> 2 NaCl + 3 O2 Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
calculate the moles of h2 present in this gas sample. . 9. 1.0 gram of water at 25 c is heated to 100 c at which point
what mass of H2O is required to form 1.6 l of O2 at a temperature of 273 k and pressure of .936 atm
A researcher working on a batch of a ceramic material tested two sets of samples for fracture strength. For one set of samples the specimens were tensile bars with a 10x10x100 mm^3 tensile gauge section
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