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The value of Henry‚Ä..
1.
The value of Henry’s law constant increases with increasing temperature?$#
A.
True
B.
False
Answer» B. False
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The atmospheric pressure is 1.0 atm and Henry’s law constant for O2 is 1.66 x 10−6 M/mm Hg at 25 °C. Assume air contains 21% oxygen. Calculate the partial pressure of oxygen. (21% of air is oxygen and the mole fraction of O2 is 0.21).
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The Henry’s law constant for O2 in water at 25°C is 1.27×10−3M/atm and the mole fraction of O2 in the atmosphere is 0.21. Calculate the solubility of O2 in water at 25°C at an atmospheric pressure of 1.00 atm.Strategy: ▪ Use Dalton’s law of partial pressures to calculate the partial pressure of oxygen.▪ Use Henry’s law to calculate the solubility, expressed as the concentration of dissolved gas.
Henry Law’s Constants at a system temperature of 25°C (77°F) of nitrogen is 1600 atm/(mol/litre). Molar weight of N2 is 28.0134 g/mol and partial fraction in air is ~ 0.79. Calculate the Nitrogen dissolved in the Water at atmospheric pressure.
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The value of Henry’s law constant increases with increasing temperature?$#
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