The energy levels of a helium ion he may be calculated from
The energy levels of a Helium Ion, He+, may be calculated from the Bohr Theory using z = 2 for the atomic number, En = -1312.04 Z2/n2 or En=-5248.16/n2 (kJ mol-1) for n=1, 2,3,.... Calculate the first 4 energy levels of He+
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The parameters of a certain transmission line operating at ω = 6×108 rad/s are L = 0.35μH/m, C = 40 pF/m, G = 75 μS/m, and R = 17 Ω/m => α=0.0943 Np/m, β=2.2467 rad/m, λ=2.7966 m, Z0 =93.623-j3.6368
What are the most important kinds of INTERmolecular forces present in each of the following substances
A playground merry-go-round (uniform disk with mass M=150kg and radius R=2m) rotates on a frictionless axle through its center. What is the kinetic energy of the child-merry-go-round-system
(a) Assume that the mobility of a carrier at T = 300K is u = 925 cm^2/V-s. Calculate the carrier diffusion coefficient. (b) Assume that the diffusion coefficient of a carrier at T = 300 K is D = 28.3 cm^2/s. Calculate the carrier mobility.
From a large population of which .05% of the people have hepatitis, a person is selected at random and given the test. If the test is positive, what is the probability that the person actually has hepatitis? (Round your answer to five decimal plac
A 50 g horizontal copper rod has a length of 1.0 m. Calculate the minimum current in the rod so that it will float in a horizontal magnetic field of 2.0 T
Find a speech to analyze. It can be a speech by any person, from any time period. It can be taken from a textual printing of the speech (as one would find in a book), an audio or visual recording, or a live, in-person observation.
Calculate the difference in energy between the second and first levels and between the fourth and third level (i.e. find Delta E = En Upper - En Lower for n upper=2, n lower =1 and for n upper = 4, n lower =3)
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