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1 methane ethane and propane all ideal gases are mixed together in equal parts by mass to create a new super fuel gas
two parts of molecular hydrogen gas are mixed with one part of molecular oxygen gas on a molar basis at 200 mpa 000degc
a diving experiment is to be performed with a mixture of helium and air at a total pressure of 500 psia the composition
acetylene and oxygen are drawn from pressurized storage tanks and mixed together in an oxyacetylene torch in a ratio of
1 calculate the transmission properties of a sandwich where the middle material has its conduction band at the same
air at 0101 mpa and 500degc is saturated with water vapor it is to be aergonically heated to 800degc in a steady flow
calculate the edges of the lowest two or three bands using the same well but varying the width of the barriers b figure
1 verify that there are no physical consequences of constant vector and scalar potentials since these produce no fields
1 although most quantum wells have a flat bottom other profiles can be grown three examples are shown in figure 713 how
1 show that the polarizability of the lowest state in a quantum well tilted by an electric field equation 738 can also
consider a well 5 nm wide and 03 ev deep in gaas the lowest state in this well has a binding energy of 0210 ev so kappa
1 extend the previous exercise to estimate the position and width of the lowest band in a superlattice of alternating 5
1 how well does the nearly free electron model predict the band structure of the kronig-penney model plotted in figure
an electron is in the lowest state of a gaas quantum well of width 15nm which can be treated as an infinitely deep
1 extend the theory of section 91 to include the difference in dielectric constant between gaas and algaas by matching
calculate the burstein shift in the absorption edge of a direct semiconductor with parabolic bands due to heavy doping
a contrasting situation is provided by electrons trapped in a gaas quantum well suppose that the well is 10 nm wide
a thick layer of gaas which can be treated as three-dimensional is pumped in such a way that at the band gap sketch the
although the relative motion and that of the centre of mass cannot in general be separated for an exciton in a quantum
a man pulls a suitcase from its handle making an angle of 45 degress above the horizontale while moving the suitcase
a machine operator produces the tension t in the control rod by applying the force p to the foot pedal determine the
rewrite the given lab assignmentquestion -1 determine the dc bias currents and voltages for a single stage bjt
the combustion of 100 mole of octane c8h18 yields 8 moles of co2 900 moles of h2o and 470 moles of n2 the exhaust gases
100 kg of atmospheric air whose composition is given in example is cooled in a 0500 m3constant volume container to 200
a pneumatic motor in a highly explosive environment uses a mixture of the ideal gases argon and helium in equal parts