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What is hennarys law

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What is hennarys law
  • 2 answers

Dindayal Rqthur 4 years, 10 months ago

According to hennry law partial pressur above the surface of liquid ids directely prportional to mole fraction of gas partical present in liquid

Gaurav Seth 4 years, 10 months ago

Henry’s law states that the solubility of a gas in a liquid is directly proportional to pressure of the gas; temperature constant. 

Mathematically, P = KH x 

where 
x=mole fraction of gas in solution 
P is partial pressure of gas,
KH is Henry's constant.

Applications:

(1) Henry's law finds various applications in industry and enables us to explain and understand some biological phenomena. The some of important applications are : CO2 solubility in soft drinks, beverages, soda water etc. is increased by applying high pressure and bottles are sealed under high pressure.

(2) For deep divers, oxygen diluted with less soluble He gas is used as breathing gas and it minimises the painful effects due to higher solubility of N2 gas in blood.

(3) In lungs, where oxygen is present in air with high partial pressure, haemoglobin combines with O2 to form oxyhaemoglobin. In tissues where partial pressure of O2 is low, oxyhaemoglobin releases the oxygen for utilisation in cellular activities.

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