230_Sp10_L14_post-1 - CHEM 230 Sp10 Lecture 14 Chapter 8:...

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Unformatted text preview: CHEM 230 Sp10 Lecture 14 Chapter 8: Solutions 1) Gas in liquid 2) Liquid in liquid 3) Solid in liquid Session ID 230 Gas Solubility in Liquid Concept Question: Based on the data in the graph, an increase in partial pressure of a gas lead to an A. increase B. decrease in the solubility of the gas. Solubility in water Gas Solubility in Liquid Concept Question: Based on the data in the graph, an increase in partial pressure of a gas lead to an A. increase B. decrease in the solubility of the gas. Solubility in water Henrys Law Solubility of a gas is directly proportional to its partial pressure. s = k H P k H Henrys constant; T dependent Concept Question Assuming the atmosphere is: 78% N 2 (k H = 7x10-4 mol/(L atm)) and 21% O 2 (k H = 1.3 x10-3 mol/(L atm)), which gas has the higher dissolved concentration in a glass of water? (The partial pressures of each gas are proportional to the % in the atmosphere.) A. N 2 B. O 2 C. They will have the same concentration Concept Question Assuming the atmosphere is:...
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230_Sp10_L14_post-1 - CHEM 230 Sp10 Lecture 14 Chapter 8:...

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