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Why does heated air expand?
Temperature is often explained as the average thermal energy of the substance at hand. Therefore the hotter a substance is the more thermal energy it has. For most substances the statistical mechanics formula, (3/2) kT works fine. In the preceding formula, k is the Boltzmann constant and T is the absolute temperature.
As thermal energy enhances, the molecules of a substance move faster. These molecules hit other molecules faster and harder and bounce away from collisions faster and harder. Without a container to limit its shape, a gas will merely expand. Were a container present, the pressure of the gas in the container would enhance.
Give one advantage of a scanning electron microscope over a transmission electron microscope? The SEM has become more popular than the TEM as it can make images of high resolut
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Q. Why does heat makes matter to expand? Answer:- Water contracts as it cools similar to all other liquids until it reaches a temperature of about 4 degrees Celsius at whi
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If electrons are treated as classical particles,which statistics will they follow?
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