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Suggest at least one characteristic absorption each in the IR spectra of 9-flurenone and 9-hydroxyfluorene that could be used to distinguish between these two compounds.
Suppose you were instructed to add 38 g of sodium chloride (NaCl) to 100 mL of water. a. prepared as instructed at 20°C b. heated the mixture in (a) to 100°C. Describe what you would observe under the following conditions.
What volume of concentrated HCl is necessary to completely neutralize the 10 mL of 1.5 M NaOH used
This converts the nitrogen in the protein to ammonia. The NH3 that formed was distilled and collected into flask containing 50.00mL of .09552 M HCL. The resulting solution was then back titrated, requiring 37.84 mL of 0.05992 M NaOH to reach the p..
The original conditions on a container filled with gas at a constant temperature are 180 cc and 300 mm Hg. The desired new volume is 90 cc.
For a particular reaction, deltaH is -93.8kJ and deltaS is -156.1 J/K. Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
the actual chemical formula must remain top secret. The company is interested in the drug's Ka value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries.
Classify each orbital diagram for ground-state electron configurations by the rule or principle it violates
A.) If 75.0 g of sodium is mixed with 40.0 g of nitrogen gas, what mass of sodium nitride forms? B.) If the reaction in part A has a percent yield of 90 % , how much sodium nitride is actually produced
Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g.
What is the pH of a solution resulting from the titration of 50 mL of 0.050 M formic acid solution, HCOOH, with 25 mL of 0.050 M NaOH solution? Calculate your answer to two decimal places.
what is the difference between the solvents used to run TLC's of polar and non-polar lipids?
Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
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