Critical angle for total internal reflection between layers
A layer of diamond (n = 2.417) lies on top of a layer of sapphire (n = 1.797). What is the critical angle for total internal reflection between these two layers?
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Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrocholoric acid. He expected that that the product would be a diol.
A circular coil of wire carries a current of 22 A. The radius of the loop is 9.0 cm, and the magnitude of the magnetic field at the center of the loop is 6.0 mT (millitesla). How many turns does the coil have?
A horizontal wire that is 4.4 m long is exposed to a uniform external magnetic field of magnitude 79 mT (millitesla). The external field is directed at an angle of 39o below the horizontal. The magnetic force on the wire has a magnitude of 3.5 N.
Write four equations showing structures for the reactions used in separating and recovering m-nitroaniline, benzoic acid, and naphthalene.
Factor the polynomial function to determine the x intercepts and the y intercept. Enter all of the x-intercepts from smallest to largest.
A 261-mL sample of a sugar solution containing 1.23 g of the sugarhas an osmotic pressure of 32.4 mm Hg at 36°C. What is the molar mass of the sugar?
When an 83.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.10 x 103 J. By how much does the potential energy of a 25.0-kg child increase when the child climbs a normal
The concentration of commercially available concentrated nitricacid is 70.0 percent by mass, or 15.9 M. Calculate the density of the solution.
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