2. A substance has a heat of vaporization of 26.80 kJ/mol. At -22 °C it has a vapor pressure of 75 mmHg. What is the temperature in °C when the vapor pressure is 16 mmHg? Round to the nearest whole number. 3. A compound boils at 118oC and has a ∆Hvap of 45 kJ/mol. What is the compound's vapor pressure at 30oC? Answer to 3 significant figures and in mmHg.
2. A substance has a heat of vaporization of 26.80 kJ/mol. At -22 °C it has a vapor pressure of 75 mmHg. What is the temperature in °C when the vapor pressure is 16 mmHg? Round to the nearest whole number. 3. A compound boils at 118oC and has a ∆Hvap of 45 kJ/mol. What is the compound's vapor pressure at 30oC? Answer to 3 significant figures and in mmHg.
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2. A substance has a heat of vaporization of 26.80 kJ/mol. At -22 °C it has a vapor pressure of 75 mmHg. What is the temperature in °C when the vapor pressure is 16 mmHg? Round to the nearest whole number.
3. A compound boils at 118oC and has a ∆Hvap of 45 kJ/mol. What is the compound's vapor pressure at 30oC? Answer to 3 significant figures and in mmHg.
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