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Ethanol, with AHvap = 40.5 kJ mol-¹, has a higher AHvap than methanol, which is 35.2 kJ mol 1, due to its larger size and greater intermolecular forces. Because the AHvap for ethanol is larger, we would expect that for the two liquids to reach the same vapor pressure, the temperature for ethanol would have to be higher. If the vapor pressure is 0.0992 atm at 27.3 °C, what would the temperature be when the vapor pressure is 7.63 atm? The temperature will be i ! K.

Ethanol, with AHvap = 40.5 kJ mol-¹, has a higher AHvap than methanol, which is 35.2 kJ mol 1, due to its larger size and greater intermolecular forces. Because the AHvap for ethanol is larger, we would expect that for the two liquids to reach the same vapor pressure, the temperature for ethanol would have to be higher. If the vapor pressure is 0.0992 atm at 27.3 °C, what would the temperature be when the vapor pressure is 7.63 atm? The temperature will be i ! K.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Ethanol, with AHvap = 40.5 kJ mol-¹, has a higher AHvap than methanol, which is 35.2 kJ mol-¹, due to its larger size and greater intermolecular forces. Because the AHvap for ethanol is larger, we would expect that for the two liquids to reach the same vapor pressure, the temperature for ethanol would have to be higher. If the vapor pressure is 0.0992 atm at 27.3 °C, what would the temperature be when the vapor pressure is 7.63 atm? The temperature will be i eTextbook and Media ! K.
Transcribed Image Text:Ethanol, with AHvap = 40.5 kJ mol-¹, has a higher AHvap than methanol, which is 35.2 kJ mol-¹, due to its larger size and greater intermolecular forces. Because the AHvap for ethanol is larger, we would expect that for the two liquids to reach the same vapor pressure, the temperature for ethanol would have to be higher. If the vapor pressure is 0.0992 atm at 27.3 °C, what would the temperature be when the vapor pressure is 7.63 atm? The temperature will be i eTextbook and Media ! K.
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