A solution was made by mixing compound X and compound Y at 24 °C. The vapor pressure of X is 12.1 mmHg. The vapor pressure of Y is 0.0747 mmHg. a. Which substance will have a larger AH of expansion (expanding the compound during mixing to form a solution)? Explain. (Note: You need to know whether the sign of this AH is + or -). b. Will mixing X and Y create a solution that is ideal, positive-deviating, or negative-deviating according to Raoult's Law? Explain based on intermolecular forces.

Chemistry: An Atoms First Approach
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Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter10: Properties Of Solutions
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A solution was made by mixing compound X and compound Y at 24 °C. The vapor pressure of X is
12.1 mmHg. The vapor pressure of Y is 0.0747 mmHg.
a. Which substance will have a larger AH of expansion (expanding the compound during mixing to
form a solution)? Explain. (Note: You need to know whether the sign of this AH is + or -).
b. Will mixing X and Y create a solution that is ideal, positive-deviating, or negative-deviating
according to Raoult's Law? Explain based on intermolecular forces.
Transcribed Image Text:A solution was made by mixing compound X and compound Y at 24 °C. The vapor pressure of X is 12.1 mmHg. The vapor pressure of Y is 0.0747 mmHg. a. Which substance will have a larger AH of expansion (expanding the compound during mixing to form a solution)? Explain. (Note: You need to know whether the sign of this AH is + or -). b. Will mixing X and Y create a solution that is ideal, positive-deviating, or negative-deviating according to Raoult's Law? Explain based on intermolecular forces.
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