Question

In: Electrical Engineering

Determine the energy at which the Boltzmann approximation may be considered valid. Calculate the energy, in...

Determine the energy at which the Boltzmann approximation may be considered valid. Calculate the energy, in terms of kT and EF, at which the difference between the Boltzmann approximation and the Fermi-Dirac function is (a) 2%, (b) 5%, (c) 10%, and (d) 20% of the Fermi function.

Solutions

Expert Solution


Related Solutions

1) Derive the Maxwell-Boltzmann law of distribution of energy. 2) Applying Maxwell-Boltzmann distribution law,Show that the...
1) Derive the Maxwell-Boltzmann law of distribution of energy. 2) Applying Maxwell-Boltzmann distribution law,Show that the internal energy of an ideal monoatomic gas depends only on its temperature.
Determine each of the following arguments’ forms to be valid or invalid. You may use the...
Determine each of the following arguments’ forms to be valid or invalid. You may use the Venn Diagram proof method, the rules/fallacies method, or any other method, of your choice. 1. Some athletes are not baseball players and some baseball players are not basketball players. Therefore, some athletes are not basketball players.2. All creationists are fundamentalists because all fundamentalists are religious people and all creationists are religious people. 3. As no conservationists are litterers, no environmentalists are litterers, because all...
calculate the pi energy of ethane using Huckel approximation in terms of alpha and beta. Epi...
calculate the pi energy of ethane using Huckel approximation in terms of alpha and beta. Epi = f(alpha, beta)
What is kinetic energy and how does it relate to the Boltzmann distribution?
What is kinetic energy and how does it relate to the Boltzmann distribution?
Using the arguments based on quantum mechanics and the Boltzmann energy distribution explain briefly: a) why...
Using the arguments based on quantum mechanics and the Boltzmann energy distribution explain briefly: a) why real molecules behave (from the thermodynamics point of view) as the ideal gas molecules? b) Why are the rotational degrees of freedom activated at lower temperatures for most molecules? c) Why are the vibrational degrees of freedom activated at high temperatures for most molecules? d) Why are the noble gases well approximated by the ideal gas?
1. Calculate the change in the internal energy of the following systems and then determine whether...
1. Calculate the change in the internal energy of the following systems and then determine whether the processes are endothermic or exothermic: (a) 25 J of work is performed by the surroundings to the system. Answer: ∆E = ________________; the process is _______________________________. (b) 500 J of heat is transferred from the surroundings to the system. Answer: ∆E = ________________; the process is _______________________________. (c) When 50 J of heat is transferred from the surroundings to the system, 150 J...
For crystalline KCl (a) Calculate the electrostatic potential energy of attraction in KCl; (b) determine the...
For crystalline KCl (a) Calculate the electrostatic potential energy of attraction in KCl; (b) determine the value of n in the exclusion principle energy equation.
Boltzmann Statistics A molecule has three degenerate excited vibrational states, each with excitation energy above the...
Boltzmann Statistics A molecule has three degenerate excited vibrational states, each with excitation energy above the ground state a) At temperature T, what is the ratio between the number of molecules in (all of) these excited vibrational states and the number in the ground state? b) At very high T, what is this ratio? c) Assume you have N distinguishable molecules of this type. Use the free energy to compute the entropy S/k of the system at temperature T. d)...
Triacylglycerols are considered the major form of lipid considered as energy reservoirs in animals. a. What...
Triacylglycerols are considered the major form of lipid considered as energy reservoirs in animals. a. What makes this lipid able to give larger amounts of energy when it is catabolized by the cell? Does its structure and components have something to do with it? If yes, how? b. TAGs are also considered one of the most abundant type of lipid, but they are not components of biological membranes. Why could be the reason why they cannot? Please explain in simple...
Calculate the energy transferred
a. Calculate the energy transferred when the temperature of 75 cm3 of water rises from 23 °C to 54 °C.b. When 8 g of sodium chloride is dissolved in 40 cm3 of water the temperature falls from 22 °C to 20.5 °C. Calculate the energy absorbed by the solution when sodium chloride dissolves.c. A student added 50 cm3 of sodium hydroxide to 50 cm3 of hydrochloric acid. Both solutions were at 18 °C to start with. When the solutions were...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT