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What is Gas Law?

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Who has given the Gas Law?

posted May 2, 2016 by Ankitha

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1 Answer

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The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between the pressure, volume and temperature of a sample of gas could be obtained which would hold to a good approximation for all gases. Gases behave in a similar way over a wide variety of conditions because they all have molecules which are widely spaced, and the equation of state for an ideal gas is derived from kinetic theory. The earlier gas laws are now considered as special cases of the ideal gas equation, with one or more of the variables held constant.

The Combined Gas Law or General Gas Equation is obtained by combining Boyle's Law, Charles' Law, and Gay-Lussac's Law. It shows the relationship between the pressure, volume, and temperature for a fixed mass (quantity) of gas:

pV = nRT ,

where

p is pressure
V is volume
n is the number of moles
R is the universal gas constant
T is temperature (K)

answer May 2, 2016 by Amit Kumar Pandey
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