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A thin film of silicon dioxide covers a silicon wafer. Plane light waves of variable wavelengths are incident normal to the film. When one views the reflected wave, it is noted that complete destructive interference occurs at 600 nm and constructive interference occurs at 700 nm. Calculate the thickness of the SiO2 film.
A Michalson interferometer had a mirror velocity of 2.75cm/s. What would be the frequency of the interferogram for (a) UV radiation of 350 nm. (b) visible radiation of 575nm, (c) infrared radiation of 5.5 um, and (d) infrared radiation of 25 um?
A particular metal has a specific heat of 0.061 cal/(g C). How much heat must be lost from 25.00 grams of this metal for the temp to drop 65.2C
A solution is composed of 1.30 mol cyclohexane (Pcy=97.6 torr) and 2.50 mol acetone (Pac=229.5 torr). what is the total vapor pressure Ptotal above this solution
Calculate the value of the reaction quotient Q. (b) Is the system at equilibrium? If not, predict which way (right or left) the reaction will proceed to reach equilibrium.
The molar mass of corn oil is 890g/mole. How many moles and how many grams of sodium hydroxide are required to react with the 15mL (13.7g) of corn oil? Show your calculations.
Assume that the partition coefficient, K, for partitoning of compound A between diethyl ether and water is 3; that is, A preferentially partitions into ether.
A 35.0mL sample of 0.150 M acetic acid (CH3COOH) is titrated with 0.150 M NaOH solution. Compute the pH after the following volumes of base have been added.
In a first order decomposition reaction, 50.0% of a compound decomposes in 17.5 min. what is the rate constant of the reaction
Explain why water-soluble oils of low volatility are not typically isolated by steam distillation.
Define the mass of silver deposited on a spoon during electroplating is .904mg explain how much electric charge passed through the cell
Approximately how many grams of calcium nitrate were required to react totally with 40.0 g of sodium carbonate? How many grams of product were formed at that point? Do your answers appear to obey the Law of Conservation of Matter?
although not a transition element, lead can form two cations: Pb2+ and Pb4+. write the formulas for the compounds of these ions with the chloride ion.
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