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Balancing Word Reactions: Double Displacements Sodium Phosphate + Cobalt II Nitrate Sodium phosphate + Barium Nitrate
Explain the difference between Nitrogen Equilibrium and positive and negative Nitrogen balance.
The size of crystals in igneous rocks is generally a function of the rate of cooling.
Can you explain how the processes of rock formation can be inferred from texture and mineral composition?
How do the minerals common in rocks and sediments reflect or respond to the changing conditions?
What is nanotechnology? What are some examples of nanotechnology? How does nanotechnology differ from traditional manufacturing?
The energy of a magnetic moment µ in a magnetic field B is equal to their scalar product µ.B. If the magnetic field arises from the orbital angular momentum
Consider a simple harmonic oscillator with an angular frequency w. Suppose at t=0 it is in a state given by:
An electron is trapped in an infinite potential well with L = 2nm. Suppose the wave function of the electron is given: (see attachment for wave function)
Consider the state of a harmonic oscillator initially (t=0) to be given by |phi >= 5|0 + 12| 1>.
An electron with amass of 9.11*10 -31 kg has a velocity of 4.3*10 6m/s in the innermost orbit of a hydrongen atom. What is the de Broglie wavelength
In the dirac notation for a quantum state of a system, an eigenstate wave function u_n is replaced by the vector |n>, and a general state wave function ?
Consider a cubic infinite potential well of length L. (Assume that the particle is confined to stay withing 0 and L in all the directions.)
Consider a free particle Consider a free particle
A particle of positive energy approaches the square well illustrated. Some of the wave will be transmitted and some will be reflected.
Consider three particles, each of mass m, moving in one dimension and bound to eachother by harmonic forces, i.e., V=k/2*[(x_1-x_2)^2+(x_2-x_3)^2+(x_3-x_1)^2]
Name the element corresponding to each characteristic below:
The 3-D time independent Schrodinger equation for a particle of mass m in a spherically symmetric potential is
We saw in class that a 3-dimensional ideal gas obeys pV = 3/2E, where p is the pressure, V is the volume, and E is the internal energy (average kinetic energy)
Molecular Orbital Theory vs Valence Bond Theory: Conductivity
Suppose the minimum uncertainty in the position of a particle is equal to its de Broglie wavelength. If the particle has an average speed of 4.5x10^5 m/s
Identify those which show what appears to be a continuous spectrum, those with emission spectra lines, those with absorption bands
According to the classical theory of physics, the energy radiated by a blackbody approached infinity as the wavelength of the emitted light approaches zero.
Where lambda is measured in meters, T is the temperature in kelvins, k is Boltzmann's constant. The Rayleigh-Jeans Law agrees with experimental
For each of the following sources of energy, name one associated environmental problem: Solar, wind, biomass and geothermal.