DEfine henry law with mathematical expression
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Henry's law equation(Henry's law) Formula
Definition: The Henry's law is used for describing a gas behavior. The law states that "At a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid." This law was proposed by William Henry in 103 and it is used for determining the quantity of gases dissolved in water and a second way to define is that the gas solubility in a liquid is proportional to the partial pressure of the gas above that liquid.
Formula: The both ways to define this law can be expressed by the equation:
C = k Pgas
Where, C is the solubility of the gas at a certain temperature in a particular solvent and the units are M or gas/L. the constant k is te Henry's law constant and Pgas is the partial pressure of the gas.
Uses: The Henry's law is very useful in geochemistry, where it is used for calculated concentration of gases in mines. It is also useful for calculating a wide range of solutes when prepared solution near to the infinite dilution. Furthermore, environmental chemists use for calculating concentration of the gases in oceans and lakes.
Example: Calculate the Henry's constant for helium dissolved in water, the concentration of neon is 1,2 M and the pressure is 0.5 atm.
k = C PHe = 1.2M x 0.5 atm = 0.6 M atm-1
In general, the concentration is expressed in M (mol L-1) and the pressure in atmosphere, resulting in M atm-1 in the units of the Henry's constant.Henry's law equation(Henry's law) Formula
Definition: The Henry's law is used for describing a gas behavior. The law states that "At a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid." This law was proposed by William Henry in 103 and it is used for determining the quantity of gases dissolved in water and a second way to define is that the gas solubility in a liquid is proportional to the partial pressure of the gas above that liquid.
Formula: The both ways to define this law can be expressed by the equation:
C = k Pgas
Where, C is the solubility of the gas at a certain temperature in a particular solvent and the units are M or gas/L. the constant k is te Henry's law constant and Pgas is the partial pressure of the gas.
Uses: The Henry's law is very useful in geochemistry, where it is used for calculated concentration of gases in mines. It is also useful for calculating a wide range of solutes when prepared solution near to the infinite dilution. Furthermore, environmental chemists use for calculating concentration of the gases in oceans and lakes.
Example: Calculate the Henry's constant for helium dissolved in water, the concentration of neon is 1,2 M and the pressure is 0.5 atm.
k = C PHe = 1.2M x 0.5 atm = 0.6 M atm-1
In general, the concentration is expressed in M (mol L-1) and the pressure in atmosphere, resulting in M atm-1 in the units of the Henry's constant.
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Definition of Henry law and its mathematical expression is:
- Henry law is defined as the amount of gas that can be dissolved in a liquid is directly proportional to pressure applied on it.
- Mathematical expression of Henry's law is x = kp here, x is amount of gas dissolved, p is partial pressure of gas and k is Henry's constant.
- Henry's law is used in soft drinks or aerated drinks where as soon as bottle is opened gas is evolved.
- Respiratory system also follows the same property. as amount of oxygen that can be dissolve in blood is directly proportional to partial pressure of the oxygen.