difference between air pressure and temperature?
Answers
Explanation:
Temperature refers to how warm or cold air is, and the density of the air is how many molecules are packed into a certain space of air. Air pressure is influenced by temperature because, as the air is warmed, the molecules start moving around more, so they bump into each other more often and create more pressure.
Answer:
The ideal gas law, PV=nRT, can be rewritten as P=RmρT, where m is the average mass of a molecule in the gas and ρ is the density of the gas. The first term on the right is a constant for a well-mixed gas such as the lower part of the Earth's atmosphere.
Removing this constant, the gas law becomes P∝ρT: Pressure is directly proportional to the product of temperature and density. There is no inverse. Density in the atmosphere decreases monotonically with increased altitude, and in the lowest part of the atmosphere, temperature also decreases with altitude. The combined effect makes pressure drop even more sharply than either density or temperature in the troposphere.
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