Perfluorocarbons (PFCs), hydrocarbons with all the H re-placed by F, have very weak cohesive forces. One unusual appli-cation shows a mouse surviving submerged in O₂-saturated PFCs. (a) At 298 K, perfluorohexane (C₆F₁₄, M=338 g/mol,d=1.674 g/mL) in equilibrium with 101,325 Pa of O₂ has a mole fraction of O₂ of 4.28X10⁻³. What is the kH in mol/Latm?(b) According to one source, the kH for O₂ in water at 25°C is 756.7 L atm/mol. What is the solubility of O₂- in water at 25°C in ppm? (c) Rank the kH values in descending order for O₂- in water,ethanol, C₆F₁₄, and C₆H₁₄. Explain your ranking.
Perfluorocarbons (PFCs), hydrocarbons with all the H re-placed by F, have very weak cohesive forces. One unusual appli-cation shows a mouse surviving submerged in O₂-saturated PFCs. (a) At 298 K, perfluorohexane (C₆F₁₄, M=338 g/mol,d=1.674 g/mL) in equilibrium with 101,325 Pa of O₂ has a mole fraction of O₂ of 4.28X10⁻³. What is the kH in mol/Latm?(b) According to one source, the kH for O₂ in water at 25°C is 756.7 L atm/mol. What is the solubility of O₂- in water at 25°C in ppm? (c) Rank the kH values in descending order for O₂- in water,ethanol, C₆F₁₄, and C₆H₁₄. Explain your ranking.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter12: Gaseous Chemical Equilibrium
Section: Chapter Questions
Problem 36QAP: At a certain temperature, K=0.29 for the decomposition of two moles of iodine trichloride, ICl3(s),...
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Perfluorocarbons (PFCs), hydrocarbons with all the H re-placed by F, have very weak cohesive forces. One unusual appli-cation shows a mouse surviving submerged in O₂-saturated PFCs. (a) At 298 K, perfluorohexane (C₆F₁₄, M=338 g/mol,d=1.674 g/mL) in equilibrium with 101,325 Pa of O₂ has a mole fraction of O₂ of 4.28X10⁻³. What is the kH in mol/Latm?(b) According to one source, the kH for O₂ in water at 25°C is 756.7 L atm/mol. What is the solubility of O₂- in water at 25°C in ppm? (c) Rank the kH values in descending order for O₂- in water,ethanol, C₆F₁₄, and C₆H₁₄. Explain your ranking.
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