You perform a distillation at two different pressures like Jaren showed in the video. The first distillation was done on a day when the pressure was 760 mmHg . The boiling point (the range where we saw drips come over) was 72 oC. (This is the normal boiling point ) Then you connected the adapter to a vacuum. The manometer shows the pressure is now 250 mmHg. The liquid now boils at 50 oC. What is the enthalpy of vaporization in kJ/mol? Choose closest answer. 15.9 kJ/mol 46.8 kJ/mol 5.6 kJ/mol 24.9 kJ/mol 8.8 kJ/mol 20.1 kJ/mol 89.2 kJ/mol
You perform a distillation at two different pressures like Jaren showed in the video. The first distillation was done on a day when the pressure was 760 mmHg . The boiling point (the range where we saw drips come over) was 72 oC. (This is the normal boiling point ) Then you connected the adapter to a vacuum. The manometer shows the pressure is now 250 mmHg. The liquid now boils at 50 oC. What is the enthalpy of vaporization in kJ/mol? Choose closest answer. 15.9 kJ/mol 46.8 kJ/mol 5.6 kJ/mol 24.9 kJ/mol 8.8 kJ/mol 20.1 kJ/mol 89.2 kJ/mol
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter11: States Of Matter; Liquids And Solids
Section: Chapter Questions
Problem 11.145QP
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States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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You perform a distillation at two different pressures like Jaren showed in the video.
The first distillation was done on a day when the pressure was 760 mmHg
.
The boiling point (the range where we saw drips come over) was 72 oC.
(This is the normal boiling point )
Then you connected the adapter to a vacuum. The manometer shows the pressure is now 250 mmHg. The liquid now boils at 50 oC. What is the enthalpy of vaporization in kJ/mol?
Choose closest answer.
The first distillation was done on a day when the pressure was 760 mmHg
.
The boiling point (the range where we saw drips come over) was 72 oC.
(This is the normal boiling point )
Then you connected the adapter to a vacuum. The manometer shows the pressure is now 250 mmHg. The liquid now boils at 50 oC. What is the enthalpy of vaporization in kJ/mol?
Choose closest answer.
15.9 kJ/mol
46.8 kJ/mol
5.6 kJ/mol
24.9 kJ/mol
8.8 kJ/mol
8.8 kJ/mol
20.1 kJ/mol
89.2 kJ/mol
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