What concentration of nitrogen should be present in a glass of water at room frmperatrure ? Assume a temperature of `25^(@)C`, a total pressure ofone atmosphere and molefraction of nitrogen in air as 0.78 `(K_(H)"for ni trogen"=8.42x10^(-7)M/mm Hg)`.

(a) What is meant by: (i) Colligative properties (ii)Molality of a solution (b) 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 0.678 . [ K_(H) for nitrogen =8.42xx10^(-7) M//mm Hg ]

(a) What is meant by: (i) Colligative properties (ii)Molality of a solution (b) 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 0.678 . [ K_(H) for nitrogen =8.42xx10^(-7) M//mm Hg ]

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))

What concentration of nitrogen should be present in a glass of water at room temperature at 25^@C , a total pressure of 1 atm and mole fraction on nitrogen in air of 0.78 [ K_H for nitrogen = 8.42xx10^(-7)M//mmHg ].

What amount of heat must be supplied to 2xx10^(-2)Kg of nitrogen at room temperature to rise its temperature by 45^(@)C at constant pressure? Given molecular mass of nitrogen is 28 and R=8.3J mol e^(-1)K^(-1)

What amount of heat must be supplied to 2xx10^(-2)Kg of nitrogen at room temperature to rise its temperature by 45^(@)C at constant pressure? Given molecular mass of nitrogen is 28 and R=8.3J mol e^(-1)K^(-1)

What amount of heat must be supplied to 2.0 × 10^-2 kg of nitrogen (at room temperature) to raise its temperature by 45°C at constant pressure? (molecular mass of N_2=28 , R=8.3Jmol^-1K^-1 )