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The normal boiling and freezing points of substance X are 87.3 K and 84.0 K respectively. The triple point is at 82.7 K and 0.68 atmosphere. a. Draw a phase diagram for substance X. Label the regions in which the s,l, and g phases are stable. On the diagram, show, show the position of the normal boiling point. b. Describe any changes that can be observed in a sample of solid substance X when the temperature is increased from 40 K to 160 K at a constant pressure of 0.50 atm. c. Describe any changes that can be observed in a sample of liquid substance X when the pressure is reduced from 10 atm to 1 atm at a constant temperature of 100 K (below the critical temperature). d. Does the liquid phase of substance X have a density greater than, equal to, or less than the density of the solid phase? Explain your answer, using the above information.
PH of Acetylsalicylic Acid, The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka = 3.3x10-4
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