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The answer to 3 problems
1. The Antisymetric -CH2-CO-O Stretching Vibraton in carbolic acid is heavily mixed with in plane bending mode of theO_H group. In alchol these two vibrations seldom show evidence of mehanical coupling. Explain
2. Conjugation of the functional group in alkyl socyanates has little impact on the antisymmetric -N=O stretching vibration located near 2770/cm . Explain.
3. The CH stretching mode of chloroform CHCL3) which occurs at 3022/cm is one of the rare exceptions to the 3000/cm rule. What is the rule? Suggest an explanation for this exception.
Chemistry: Change in Temperature in the Production of Silver Chloride, When solutions containing silver ions and chloride ions are mixed, silver chloride precipitates:
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
A pound of coffee beans yields 40 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans?
Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
What unusual aspect of water is responsible for it unique characteristics as both a liquid and as a solid? Give examples of how this property of water would affect food systems during processing.
Compute the number of rads and rems of radiation in five years from such a level of plutonium.
Using a solution of (HOC 2 H 2 )3NHCl, solution in which Kb, ((HOC 2 H 2 )3N) = 5.9 × 10 -7 then determine what is the pH of a 0.010 M triethanolammonium chloride,
A body consists of a right circular cone whose base is 12 in. and whose altitude is 16 in. A hole 8 in. in diameter and 4 in. deep has been drilled from the base. The axis of the hole coincides with the axis of the cone. Locate the centroid of the..
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
A sample of vanadium haveing 5.67 grams of mass upon heating combined with oxegen of 4.45gramsto make vanadium oxide. Determine the emperical formula for this compound?
A container (8.65-L ) holds two gases mixture at 31 °C. The partial pressures of gas X and gas Y, respectively, are 0.206 atm and 0.867 atm. If 0.200 mol a third gas is added with no change in temperature or volume determine the total pressure be..
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