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A colored complex of unknown sample solution exhibits 23% transmission through 1-cm long cuvette. A 1/1 dilution solution exhibits a transmission of 47.8%. The transmission from the blank solution is 96%. Calculate the molar absorptivity of the complex
What is the gas pressure (in atm) inside a 1.69-L bulb that contains 0.9-g of Ne at a temperature of 34.1 C? Be sure to report the units as atm.
Based on the source of phosphorous (which cannot be changed) the surface concentration is 400 P atoms per 10 million Si atoms. Estimate the temperature you should dope at (C) if you must have a concentration of 100 P atoms per 10 million Si atoms ..
A solution is made by mixing 40.0 mL of ethanol, C2H6O, and 60.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C
For a given second-order reaction involving only one reactant, the concentration of the reactant at the beginning of the reaction is 0.065 M. If the reaction rate constant at 45*C is 0.040 M -1min-1, how much reactant should be left after 50.0 minu..
potassium hydrogen phthalate is a monoprotic acid. Dihydrogen phthalate(H2C8H4O4) is a diprotic acid. An analyte sample contains 0.127 M KHP and 0.0678 M H2C8H4O4. What volume of a 0.205 NaOH solution is required to neutralize 25.0mL of the analyt..
the vinegar that are generally sold in the grocery stores it is described as 5 vv ch3cooh acetic acid.determine the
Consider the following reaction 2Fe 2(aq) +Cu 2 ---> 2Fe 3 (aq) Cu, When the reaction comes to equilibrium, what is the cell voltage
Kp = 3.7x10-6 at 900K for the synthesis of ammonia from N2 and H2. Assuming that ?Ho = -92 kJ, calculate Kp at 550 K
A mixture of sand and iron pieces weighs 53.29 g. Using a magnet, the iron is removed and weighs 15.63 g. What is the percent composition of sand in the mixture?
How would benzephenone move on a TLC compared to an alcohol? and WHY do they move differently.
Find out the Celsius temperature of 2.49 mol of gas contained in a 1.00 L vessel at 1.8 atm pressure.
The infrared spectrum of CH3CH2NH2 shows two absorptions not shwon by bromoethane. Identify the bonds responsible for these two absorptions.
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