What determine the thermal conductivity of metals
From atomistic point of view, thermal conductivity of materialsis typically contributed from phonons and electrons. What determine the thermal conductivity of metals, ceramics and polymers?
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Air from a manufacturing operation was drawn through a solution containing1.00 x 102 mL of 0.0105 M HCl. The NH3reacts with the HCl to form NH4Cl.
A building stands on the shore, and the laser beam hits a target at the top of the building. The goal is to find the height of the target above sea level. (a) Draw a diagram of the situation, identifying the two triangles that are important to fin
The bottom slope is 0.0014. Determine the dimensions of the best cross section if the channel shape is rectangular of bottom width b
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 25.0° and the angle of refraction is 14.0°, find the critical angle for the liquid when surrounded by air.
The peter-principled Dean of Deans (Maximus incompetus) is dropped from the tower with zero initial speed and plummets toward the Earth. Neglect all histrionics and atmospheric effects. Determine the speed at impact with the surface of the Earth i
A chemical reaction in a bomb calorimeter raises the temperature of the calorimeter from 20.22 degrees celsius to 23.14 degrees celsius. If the heat capacity of the calorimeter is 8.44 kj/degrees celsius, calculate the heat evolved in the reaction
The driver of a compact car of mass 725kg suddenly applies the brakes hard for 2.0s. As a result, an average force of 5000N is exerted on the car to slow it. What is the change in momentum on the car? What is the change in velocity of the car? Dra
The probability of "more than 20 defective items" corresponds to the area of the normal curve described with this answer: "the area to the right of 20.5."
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