The air is a mixture of number of gases. The major components are oxygen and nitrogen with approximate proportion of 20% is to 79% by volume at 298K. The water is in equilibrium with air at a pressure of 10 atm. Henry's law constants for oxygen and nitrogen at 298 K are `3.30xx10^7mm` and `6.51xx10^7mm` respectively. calculate the composition of these gases in water.

Henry’s law constant for the molality of methane in benzene at 298 K is 4.27 xx 10^5 mm Hg. Calculate the solubility of methane in benzene at 298 K under 760 mm Hg.

Calculate the amount of CO_2 dissolved at 4 atm in 1dm^3 of water at 298K. The Henry's law constant for CO_2 at 298K is 1.7 k bar.

What concentration of nitrogen should be present in a glass of water at room temperature? Assume a temperature of 25^@C , a total pressure of 1 atmosphere and mole fraction of nitrogen in air of 0.78. (K_H for nitrogen=8.42xx10^-17 M/(mm Hg))

Henry's law constant of oxygen 1.4xx10^-3 molL^-1 atm^-1 at 298K. How much of oxygen is dissolved in 100 mL at 298K when partial pressure of oxygen is 0.5 atm?

Henry's law constant for CO_2 in water is 1.67xx10^(-8) Pa at 298 K. Calcuated the quantity of CO_2 in 500 mL of soda water when paked under 2.5 atm CO_2 pressure at 298K.

The partial pressure of nitrogen in air is 0.76 atm and its Henry's Law constant is 7.6 xx 10^4 atm at 300 K. What is the mole fraction of N_2 in the solution obtained when air is bubbled through water at 300 K.

At 760 torr pressure and 20^(@)C tempreature , 1 L of water dissolves 0.04 gm of pure oxygen or 0.02 gm of pure nitrogen. Assuming that dry air is compound of 20% oxygen and 80% nitrogen (by volume), the masses (in g/L) of oxygen and nitrogen dissolved by 1 L of water at 20^(@)C exposed to air at a total pressure of 706 torr are respectively :

Two narrow bores of diameters 3.0 mm and 6.0 mm are joined together to form a U-tube open at both ends. If the U-tube contains water, what is the difference in its levels in the two limbs of the tube ? Surface tension of water at the temperature of the experiment is 7.3xx 10^-2 N m^-1 '. Take the angle of contact to be zero and density of water to be 1.0xx 10^3 kg m^- 3 ( g = 9.8 m s^-2 ) .

The value of the ion product constant for water, (K_(w)) at 60^(@) C is 9.6xx10^(-14) M^(2) what is the [H_(3)O^(+)] of a neutral aqueous solutoin at 60^(@) C and an aqueous solution with a pH=7.0 at 60 ^(@) C are respectively?

CuSO_(4).5H_(2)O(s)hArrCuSO_(4). 3H_(2)O(s)+2H_(2)O(g), K_(p)=4xx10^(-4)atm^(2) If the vapour pressure of water is 38 toor then percentage of relatative humidity is :(Assume all data at constant temperture)