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CHE 105 Spring 2016 Exam 3
CHE 105 Spring 2016 Exam 3

... Select all of the true statements about quantum numbers. A. The principal quantum number, n, determines the shape of an orbital. ✓B. Energy is absorbed when an electron moves from a shell with principal quantum number n = 1 to one with n = 3. C. The angular momentum quantum number, l, determines how ...
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... • Most of volume occupied by electrons ...
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teacher version filled in

... know both the exact momentum and exact location of an electron This is because anything we do to determine the location or momentum of the electron moves it from its original path and location; this can’t be reduced past a certain minimal level We can know only momentum or location- not both We can ...
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... dimension, that for any way of dividing the line into two segments, the strength of the quantum correlation (the amount of entanglement) between the two parts is bounded above by a constant, independent of n. Vidal showed that in that case a succinct description is possible, with O(n) parameters rat ...
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Toffoli gate

... fn(0),fn(1),fn(2),fn(3),.. fall into repeating pattern eventually Different values of x give rise to different patterns The number of values in between the repeating pattern, for a particular value x is called period of x modulo n indicated by r xr=1 mod n ...
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... Expectation values The reason for the repetition is that quantum mechanics does not make definite predictions for the position, momentum, etc. When we do the exact same measurement on identically prepared systems, we do not get always get the same result, as we do in classical mechanics. But probabi ...
Quantization of Atomic Energy Levels
Quantization of Atomic Energy Levels

... orbits that classical mechanics predicts, only a certain discrete set is actually possible. He gave these allowed orbits the name stationary orbits or stationary states. Since the possible orbits were discrete, their energies would also be discrete; that is, the energies of the electrons in an atom ...
UNIVERSITY OF VERMONT Masters Comprehensive Examination Department of Physics January 15, 2011
UNIVERSITY OF VERMONT Masters Comprehensive Examination Department of Physics January 15, 2011

... In the model of a conductor that follows, electrons are approximated as free particles. An electron has charge –e and effective mass m. The density of electrons is n per cubic meter. The background of the conductor is a fixed lattice with each site having charge +e and the site density also n so tha ...
Project 3 - Cal Poly
Project 3 - Cal Poly

... and for hydrogen molecules the quantum of energy (which depends on the molecule’s moment of inertia) is e rot = 0.0076 eV. The factor (2j + 1) appears in the partition function because these energy levels are degenerate. That is, there really are (2j + 1) states having each energy. Recall in hydroge ...
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... the luninous traces. When the electron beam coincides with the luminous traces, only half of the circle is observable. The radius of the circle is then 2, 3, 4 or 5 cm. For detailed description of the narrow beam tube, please refer to the operating instructions. If the trace has the form of a helix ...
Problem Set 8 Solution
Problem Set 8 Solution

... Note that in this case the probability of finding the particle in one of these momentum eigenstates is not simply |cn |2 = 16π13 L3 . This is because the wavefunction given in Equation 3c is not properly normalized (which also implies that the |cn |2 ’s don’t sum to 1), and indeed cannot be normalize ...
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Quantum Coherence between States with Even and Odd Numbers of Electrons

... In 1952, Wick, Wightman, and Wigner [1] claimed that the coherent linear superpositions of states with even and odd numbers of fermions are incompatible with the Lorentz invariance and introduced the superselection rule, according to which such linear superpositions are physically impossible. In act ...
Chapter 2: Interacting Rydberg atoms
Chapter 2: Interacting Rydberg atoms

... where 0 ≤ pi ≤ 1 denotes the probability to find the system in the (pure) quantum state described by the Hilbert space vector |ψi i. Being probabilities, they are subject to the ...
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... Classical algorithms are often unreasonably effective Typical chemical / material problems and questions do not seem to require exponential classical resources close to limits of classical hardware ...
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Electron Configuration

... Electron Configuration Quantum Mechanics (Ohh scary) ...
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... Classical theory predicts that the total amount of energy in a light wave increases as the light intensity increases. The maximum kinetic energy of the photoelectrons depends on the value of the light frequency f and not on the intensity. The existence of a threshold frequency is completely inexplic ...
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Conclusions Emergent geometry and Chern

... A new topological number ...
CHM 4412 Physical Chemistry II - University of Illinois at
CHM 4412 Physical Chemistry II - University of Illinois at

... correctness is confirmed by its successful quantitative explanations of all known experimental observations.* ...
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Example 4: A one-electron atom is irradiated with visible light. The

Wave Function of the Universe
Wave Function of the Universe

... = 0 just says the total energy of the universe is zero - the only sensible value for a closed universe. And solving it is just like looking for an eigenstate of any other Hamiltonian. Folks who have studied quantum mechanics have probably solved the "time-independent Schrodinger equation" in order t ...
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Difficulty: how to deal accurately with both the core and

... The value at arbitrary distances can be obtained by accurate cubic spline interpolation (once obtained, the fine grid does not suppose a penalty in execution time, since interpolation effort is independent of the number of grid points). ...
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JCE0597 p605 Numerical Methods for Finding Momentum Space

Presentazione di PowerPoint
Presentazione di PowerPoint

... 2. build a general coherent picture of Quantum Physics, “consistent” with Classical Physics. ...
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Hydrogen atom



A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.In everyday life on Earth, isolated hydrogen atoms (usually called ""atomic hydrogen"" or, more precisely, ""monatomic hydrogen"") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary (diatomic) hydrogen gas, H2. ""Atomic hydrogen"" and ""hydrogen atom"" in ordinary English use have overlapping, yet distinct, meanings. For example, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).
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