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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
Q. What are the functions of a lubricant? Describe the various types of lubrication. OR Discuss the types of mechanism of lub
It is desired to concentrate a NaOH solution from 12.5 % to 40% in a double effect evaporator. 50,000 lb/hr of feed solution enters the evaporator at 120 o F, and steam at 15 psig
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the frame in figure consisted of members AB and BCD connected by pin at B, and member AB is a quarter circle of radius 75mm. the whole frame is supported by pins at A and C. for th
what are pseudo order reaction?with suitable example?
PROCEDURE : Visit any lab (physics, chemistry or biology) of your study centre or any other you can get access to and note its features. To guide you through we have listed below
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Ask question #Minimum 100 words accepted.hardness of bore water is less than that of sea water-justify
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