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Explain Sommerfeld theory
Sommerfeld theory: The theory was originally proposed in 1900 to define and correlate the electrical and thermal properties of metals. Later, quantum mechanics became the basis for the theory of most of the common properties of simple metals like as sodium, with one free electron per atom, magnesium with two, and aluminum with three. Transition metals, like as iron, have partially filled electronic d states and are not treated by the free-electron model
Mass transfer coefficients can be of either local or overall type. a. Explain carefully what the local and overall mass transfer coefficients represent. b. How does the concentrati
Figure P9.9 shows three reactors linked by pipes. As indicated, the rate of transfer of chemicals through each pipe is equal to a flow rate (Q, with units of cubic meters per secon
Applications of permanent magnets a - Applications based on attraction or repulsion forces b - Applications based on Faraday's induction law c- Application based on Lor
Explain covalent bond A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons among atoms, or among atoms and other covalent
Steam at 400C, 100 bar in an insulated cylinder is rapidly decompressed to 10 bar, by unlocking the piston and permitting the gas to expand, with a constant external pressure of 10
illustrate the formation of scale and sludge in boiler and suggest the methods for their control
Methane containing 4 mol% N 2 is flowing through a pipleline at 105.1 kpa and 22 °C. To check this flow rate, N 2 at the same temperature and pressure are introduced to the piple
Explain Antiferromagnetic materials Antiferromagnetic materials are the materials in which almost every magnetic dipole is linked up ant parallel to each other. Its susceptib
Which one of the following statements is correct? You may wish to examine molecular model of this compound. The configuration of alkene J is E The configuration of alkene J
Consider the following non-linear ordinary equation with an initial condition, y(t=0)=2. ?? ′ =4?? 0.8?? -0.5?? Compute and plot the solution as a function of time from 0 to
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