Estimate the mole fraction of oxygen in water at 75 ºC and 1 atm. Hoxygen,water(75 °C) = 87614.41 atm, ?_?????^??? (75 °C) = 0.3809 atm using Henry's law
Using Henry's law,
PO2 = KH (x)
Where , x = mole fraction of oxygen
0.3809 = 87614.41×(x)
(X) = 4.35×10-6
Estimate the mole fraction of oxygen in water at 75 ºC and 1 atm. Hoxygen,water(75 °C)...
Calculate the mole fraction of oxygen given that the Henry's Law Constant is 2.09 × 107 torr and the partial pressure of oxygen is 0.15 atm. Report your answer to 2 significant figures using the format of 6.022E23 for 6.022 × 1023.
If 136.2 mL of water is shaken with oxygen gas at 3.0 atm, it will dissolve 0.0036 g O2. Estimate the Henry's law constant for the oxygen gas in water in units of g mL-1atm-1.
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.41 and the Henry's law constant for oxygen in water at this temperature to be 1.3 × 10-3 M/atm. 96.3 mg 49.4 mg 63.2 mg 48.2 mg
The Henry's Law constant at 298K for CS2 in water solution is Km= 1100 bar (mole fraction)^-1. The equilibrium vapor pressure of water at 298K is P*H20= 3170 pa. Assume CS2 and water form an ideal dilute solution, estimate the total vapor pressure above a solution which has Xcs2 = 3.0*10^-6 .
When air (=21 mole% O2, 79 mole% N2) is placed in contact with 1000 cm3 of liquid water at body temperature, 36.9C, and 1 atm absolute, approximately 14.1 standard cubic centimeters [cm3(STP)] of gas are absorbed in the water at equilibrium. Subsequent analysis of the liquid reveals that 33.4 mole% of the dissolved gas is oxygen and the balanceis nitrogen. (a) Estimate the Henry's law coefficients (atm/mole fraction) of oxygen and nitrogen at 36.9C. (b) An adult absorbs approximately 0.4...
The log Henry's law constant (units of L-atm/mole and measured at 25 C) for trichloroethylene is 1.03; for tetrachloroethylene, 1.44; for 1, 2-dimethylbenzene, 0.71; and for parathion, -3.42. (a) What is the dimensionless Henry's law constant for each of these chemicals? (b) Rank the chemicals in order of ease of stripping from water to air. If needed use ideal gas Law (pV= nRT). R = 0.08205 (atm times L)/(mole times K). The dimensionless Henry's law constant is equal to K_H(L_H_2...
The property of oxygen to dissolve into water is very important to aquatic environmental systems The following Henry's constants are found in the literature for fresh water: Temperature (C KH (mol-L atm1) 10 15 20 25 1.90x103 1.68x10-3 1.50x103 1.35x103 1.22x103 Develop a spreadsheet to calculate and plot the saturation concentration (in mg/L) of oxygen (02) in fresh water. Assume the atmospheric pressure is 1 atm and the mole fraction of oxygen in the air is 0.21.
Determine the solubility of N2 in water exposed to air at 25°C if the atmospheric pressure is 1.2 atm. Assume that the mole fraction of nitrogen is 0.78 in air and the Henry's law constant for nitrogen in water at this temperature is 6.1 × 10-4 M/atm.
1. Given that the Henry's Law constant for carbon monoxide in water al 30°C is 1,8 x 105 per kPu mole fraction, calculate the percentage solubility by weight of carbon dioxide in water under these conditions and at a partial pressure of carbon monoxide of 120 kPa above the water.
9. At 50°C, a liquid solution composed of A (with a mole fraction of 0.28) and B has a total vapor pressure of 182 torr and a partial pressure of A of 62 torr. The vapor pressure of pure liquid A is 254 torr and that of pure liquid B is 169 torr. (a) Calculate the activity and the activity coefficient of each component of the liquid based on the Raoult's Law. (b) Calculate the Henry's law constant of A...