# A Article On The Ideal Gas Law Essay

752 Words Nov 19th, 2015 4 Pages
The Ideal Gas Law relates several variables of state of an ideal gas with the following equation:
P V = n R T,

where P is the pressure of the gas in atmospheres, V is the volume of the gas in liters, n is moles of the gas, and T is the temperature of the gas in Kelvin degrees. R is the ideal gas constant. The Ideal Gas Law is a combined summary of Boyle’s Law, Charles’s Law, and the Avogadro’s Law. This Law works best under low pressure, room temperature (298K) environments because these environments allow gases to behave ideally, namely to assume that these gas molecules are point masses with no significant volume, experience little interaction with each other, and that all collisions (whether with each other or with the walls of the container) are of the elastic nature.
This formula is only useful when the gas is in ideal conditions. A wiki article from UC Davis states: “ In order for a gas to be ideal, its behavior must follow the Kinetic-Molecular Theory whereas the Non-Ideal Gases will deviate from this theory due to real world conditions.”[3]

Dalton’s Law of Partial Pressures observes that the total pressure exerted by a mixture of different nonreactive gases is simply the sum of the partial pressure of the individual constituent gases. Or simply,

Ptotal = Pgas1 + Pgas2 + Pgas3 + Pgas4 + ... + Pgas n

As previously mentioned, R is the ideal gas constant. In addition to being featured in the Ideal Gas Law equation, R is also used in other equations of…

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