Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 10, Problem 28QAP
The Henry's law constant for the solubility of argon gas in water is
(a) Express the constant in M/mm Hg.
(b) If the partial pressure of argon gas at 30°C is 693 mm Hg, what is the concentration (in M) of the dissolved argon gas at 30°C?
(c) How many grams of argon gas can be dissolved in 29 L of water at 693 mm Hg and 30°C? (Ignore the partial pressure of water.)
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In addition to the separation techniques used in this lab (magnetism, evaporation, and filtering), there are other commonly used separation techniques. Some of these techniques are:Distillation – this process is used to separate components that have significantly different boiling points. The solution is heated and the lower boiling point substance is vaporized first. The vapor can be collected and condensed and the component recovered as a pure liquid. If the temperature of the mixture is then raised, the next higher boiling component will come off and be collected. Eventually only non-volatile components will be left in the original solution.Centrifugation – a centrifuge will separate mixtures based on their mass. The mixture is placed in a centrifuge tube which is then spun at a high speed. Heavier components will settle at the bottom of the tube while lighter components will be at the top. This is the technique used to separate red blood cells from blood plasma.Sieving – this is…
Chapter 10 Solutions
Chemistry: Principles and Reactions
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY