Introduction

Boyle's Law, Charles's Law, Combined Gas Law, Ideal Gas Law, Ideal Gas Law(Formula Weight), Dalton's Law of Partial Pressures


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Introduction

Boyle's Law, Charles's Law, Combined Gas Law, Ideal Gas Law, Ideal Gas Law(Formula Weight), Dalton's Law of Partial Pressures

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Description

Gas laws are a group of formulas explaining how gases behave under different circumstances in respecting to pressure, temperature, volume and moles.


P, Symbol for Pressure(in Atmospheres(1atm = 101325Pa = 760torr));
V, Symbol for Volume(in Litres);
T, Symbol for Temperature(in Kelvin);
n, Symbol for Number of Molecules;
R, Symbol for Universal Gas Constant(in L atm K−1 mol−1);
g, Symbol for Sample Weight(in grams);
FW, Symbol for Formula Weight(in grams);
PT, Symbol for Total Pressure(in Atmospheres(1atm = 101325Pa = 760torr));
X, Symbol for Checked Variable;


Figure - 5.1


Quote from Britannica

Gas laws, Laws that relate the pressure, volume, and temperature of a gas. Boyle’s law—named for Robert Boyle—states that, at constant temperature, the pressure P of a gas varies inversely with its volume V, or PV = k, where k is a constant. Charles’s law—named for J.-A.-C. Charles (1746–1823)—states that, at constant pressure, the volume V of a gas is directly proportional to its absolute (Kelvin) temperature T, or V/T = k. These two laws can be combined to form a single generalization of the behaviour of gases known as an equation of state, PV = nRT, where n is the number of gram-moles of a gas and R is called the universal gas constant. Though this law describes the behaviour of an ideal gas, it closely approximates the behaviour of real gases. See also Joseph Gay-Lussac.


Boyle's Law



P1V1 = P2V2

Pressure Volume






Output

P2 = atm


Charles's Law



V1T1 = V2T2

Temperature Volume






Output

T2 = K


Combined Gas Law



P1V1T1=P2V2T2

Pressure Volume








Output

P2 = atm


Ideal Gas Law



PV=nRT

Pressure Volume







Output

P = atm


Ideal Gas Law(Formula Weight)



PV=gRT / FW

Pressure Volume








Output

P = atm


Dalton's Law of Partial Pressures

- Enter ny values up to 'y' by using comma instead of space.

* If,

* na = 2

* nb = 1.83

* nc = 3.05

* Enter 'y' = 3;

* ny = 2,1.83,3.05



PT=(na+nb+nc+...)RT / V










Output

P = atm