Additionally, since octane has a higher surface tension, they soon discover the macroscopic effects of having different surface tensions. d) The larger the molecule the larger the London forces, therefore, n-hexane has a larger boiling point than n-pentane. For example, surface tension decreases approximately by 1 mN/m from pure water to 0.1% n-butanol solution (at 25 C), whereas in case of 0.1% n-heptanol it decreases by . By turning the screw in the micrometer, the original 1 mm gap starts to widen, and the liquid begins to stretch (see figure 1). A. acetone B. petroleum ether, main component is n-pentane Pentane has a boiling point of 36.1 degrees Celsius while 1-butanol, which has a similar mass, has a boiling point of 117.7. YTAyNmMyMzgyOWIwMmQyOTVmNmQyMDdlMDEwNTEyYjZiNTg4MzA4MjgwYzY0 Hence, ethanol has intermolecular hydrogen bonds. Hexane . Like any good scientific investigation, the evidence drove the understanding and I will certainly repeat this activity again in the future. Pentane (CH3CH2CH2CH2CH3) has dispersion forces only. Electromagnetism - Wikipedia, the free encyclopedia Octane and pentane have only London dispersion forces; ethanol and acetic acid have hydrogen bonding. First Item Second Item Third Item Fourth Item Fifth Item Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed Continue Reading. MjJmZjgwMzdkNmQwZDBlZTBmZDZiNTczNjdhNDVlMDJlMzRiYzFjNjFiZjFk which is slightly polar and has the highest molecular weight. Ethylene glycol View the full answer Transcribed image text: QUESTION 6 Put the following compounds in order of increasing surface tension: water, n-pentane, 1-butanol, 2 butanone, ethylene glycol. In particular, the present disclosure relates to an emulsion with enhanced stability, characterized in that the emulsion comprises a) a water phase, the water phase is an aqueous solution comprising a salt; and b . 26.28 dynes/cm at 10 C; 24.93 dynes/cm at 25 C; 22.69 dynes/cm at 50 C . 20. David R. Lide, ed., CRC Press, Boca Raton, FL, 2004, except as noted. This Is An H2 Tag Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed Continue Reading, Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. The metabolism of n-pentane is saturable. So, what does Pivot Interactives offer that might be worthy of your attention? At standard temperature and pressure (STP), glycerol (76.2 centipoise) has a higher viscosity than ethylene glycol (16.1 cp) which is commonly known as glycol and ethanol (1.07 cp). ZTM5N2VhYWI2ZmE1ZWY4ZGFlYmVlZDMxNzRhYjM4YWRjNTI0N2Q0ZmY1YTU2 The concept of London dispersion forces is introduced by focusing on the momentary dipoles that appear within each molecule and the effect these forces have on surrounding molecules to account for the differences in attraction. 3. Part 3 ends by asking students to rank the surface tension of a greater variety of molecules like methanol ethanol butanol pentane pentanol hexane hexanol octane octanol decane and . 1-800-833-4644 (U.S.) or (603) 543-0038 Diethyl ether. It turned out the web-based Pivot Interactivescome through, yet again, with a wonderful investigative activity that helped provide my students with a solid foundation to build knowledge from. Eine andere -Site. I found this to be a great extension to the activity for students to apply not only what they learned in this activity, but also their knowledge of Lewis structures. Benzene Naphthalene Carbon tetrachloride All of the molecule are nonpolar therefore, the only intermolecular force that they have For each statement that is not correct, modify the statement so that it is correct. What can a doctor do for a hurt tailbone? MjBkYTE0YzMwYWFiNjA3ZGI2MDRkNzVlNzgyOTgyMmJhZGIzNGUzMDhjMWU5 Surface tension has high industrial importance in chemical. Substances with weak intermolecular forces have relatively low viscosities, while substances with strong intermolecular forces have relatively high viscosities. The interparticle force is the same as the intermolecular force: the ionic bond and it is the . B. . In the present study, the simultaneous and accurate determination of liquid viscosity and surface tension of the n-alkanes n-hexane (n-C 6 H 14), n-octane (n-C 8 H 18), n-decane (n-C 10 H 22), and n-hexadecane (n-C 16 H 34) by surface light scattering (SLS) in thermodynamic equilibrium is demonstrated.Measurements have been performed over a wide temperature range from 283.15 K up to 473.15 K . ZGNlMWE5YzEyYmU1Njc4MWM5MTMwYjVlMGVlOTA5OWU2ZWViMzVhNmYzYzE5 by. The stronger intermolecular attraction holds molecules together more tightly, decreasing the vapor pressure of hexane and giving it a higher boiling point than pentane . (A) CF4 (B) CCl4 (C) CBr4 (D) CI4 31. 3.2.23 Surface Tension. 3. wetting, 4 answers I would think 4 would have the highest surface tension because you have three OH groups and that will provide more opportunities for hydrogen bond formation. Conversely, if the external pressure on a liquid is greater than 1 atm, the vapor pressure necessary for boiling is also higher than 1 atm and the liquid boils above its normal boiling point. The surface tension arises due to cohesive interactions between the molecules in the liquid. Butanol and pentane have approximately the same molar mass. Cooling the steam or condensing the steam? What is the vapor pressure of the liquid at its boiling point? Properties of Chemicals and Hydrocarbons, Carl L. Yaw, William Andrew, and viscosity Additionally, there were only a few liquids I had immediate access to or felt comfortable with letting my students use (ex: water and alcohol) that could easily demonstrate differences in surface tension. The. (6) viscosity @ 25oC (298.15 K): CRC Handbook A typical phase diagram shows which phase is stable at various combinations of pressure and temperature. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Continue Reading, Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. MTVkMTBjZDY5Y2Y2N2FmZTI0MjczZWViYTFiN2Q1NjczNWFkN2M4MzliZjU1 The surface tension in ethanol is caused by the intermolecular force of hydrogen bonding between the ethanol molecules. t values you have obtained for all four substances, plus information in the 28 1-Butanol 2-Chlorobutane 298.15 2.42 2.55 0.31 1.25 31.55 0.59 0.60 0.39 13 Giner . (5) dynes/cm @ 25oC (298.15 K): Thermophysical 29 The Structure and Properties of Water Water has a high surface tension Water has high boiling point which is why it is liquid at room temperature. (14) @ 30oC: http://www.lcy.com.tw/msds/en/LCY020E.pdf. n-Butanol has been . Viscosity, Surface Tension, Specific Density and Molecular Weight of Selected Liquids. Warning: Creating default object from empty value in /homepages/17/d4294970467/htdocs/morpheus/wp-content/themes/virtue/themeoptions/inc/class.redux_filesystem.php on . If there are additional solvents or other liquids that you think we should add to this collection especially if you can provide The structures of ethanol and 1-butanol are shown below. (3) Chemical Abstracts Service registry number: CRC Handbook of Chemistry and Physics, 85th Edition, It has hydrogen bonding capability but propanal does not. Communicating science is my passion. Carl L. Yaw, William Andrew, Norwich, NY, 2008, except as noted. The higher the temperature, the higher the vapor pressure because a larger fraction of molecules have sufficient kinetic energy to escape. Dimethyl ether, #"CH"_3"OCH"_3#, is a polar molecule. Determine the direction and the magnitude of the velocity of the ball after it rebounds. We encourage contributions that demonstrate the particular opportunities found in teaching chemistry to diverse audiences from the entire breadth of learning environments. MTFkMjRmZDI5MDljMGU0ZThmMzU0ZjFhNzUxMTAxZjEzOWQ4NmM0YWU4NmUw The boling point 36C/97F, and the vapors are heavier than air. For linear monohydric alcohols, their entropies of vaporization were higher than that predicted by Trouton's rule which I have found to be explained by their lower entropies in liquid phase due to hydrogen bond. Love learning how the universe works. OTZkZWRjZjdmMWY0NmRjMGJmYzYyNDEzNTU3OWI3ZTFlNTNkMzUyMmEwZjgy Does vapor pressure rise in a linear way? Boca Raton, FL, 2004, except as noted. This table is provided Posted at 02:28h in jen beattie husband by live in infamy meaning. ODFkODZjMGQ2MDc3MDI0NzNiNDc1ZWYxNDgyZTEwZDVlZDhlOGVlZDZmNzY4 Now take a look at 2-propanol. The solution has a vapor pressure of 241 torr. ODA1Y2ZlMGJhZGZiMGI0ZTNmYzk4MTZkYzYzY2Y4Yzk2ZDRlMWVmYWYyZTIx Select the pair of compounds in which the substance with the higher vapor pressure at a given temperature is listed first. (760 mm Hg = 1 atm. In the vapor over a pentane-hexane solution at 25C, the mole fraction of pentane is 0.15. The higher alcoholsthose containing 4 to 10 carbon atoms . solubility, Take a look at 1-propanol. Butanol and pentane have approximately the same molar mass. Heat is released when water freezes and prevents the fruit from freezing. Explain why. Modeling in 912 builds on K8 and progresses to using, synthesizing, and developing models to predict and show relationships among variables between systems and their components in the natural and designed worlds. E) diethyl ether has weaker intramolecular forces than n-butanol. Generated by Wordfence at Sun, 5 Mar 2023 4:49:19 GMT.Your computer's time: document.write(new Date().toUTCString());. MmNmMWM2M2YwNGIyNGUxMzYxNGZmYWQ2ZmYzMTg0YjQ5MjNiZDBiYWJmMGI2 ZDA2YWQxNDc3YTMwZjllYzZjMmYyYjE0OTkyZmU1Mjg4MGQ3NmM4N2E0OTE5 Aliphatic hydroxylation is the major pathway by which n-pentane is metabolized. Which of the following liquids has the highest surface tension? Relationship between surface tension and intermolecular forces. Does 2 propanol have dipole-dipole forces? What is the purity of butanol 2-methyl-2-propanol? are stronger in water than in methanol. Jun 2022 . Post author: Post published: June 29, 2022; Post category: fencing federation; The liquid with the highest viscosity has the strongest intermolecular forces. 45x45x2.3cm 5340-4 health-panorama.com MjU4NjZlOTk4MzE4ZjUxOTNhNGYxMjU2ZWE2MjI4MWZlYThkNGUyMThjYzI2 Follow the link to view a short video of the setup. Additionally, since octane has a higher surface tension, they soon discover the macroscopic effects of having different surface tensions. Deprecated: _register_skins est obsoleto desde a verso 3.1.0! Use Elementor\Widget_Base::register_skins() em seu lugar. This table highlights the viscosity and surface tension of a variety of solvents and other liquids. (15) @ 20oC: http://www.wikipedia.org/wiki. 36C n-nonane, C 9H20 m.p. The #"C-O"# bond dipoles reinforce each other, so the molecule has a dipole moment. Both are liquids at room temperature. entirely. In the following description, the term particle will be used to refer to an atom, molecule, or ion. How many isomeric structures are there for butanol? The higher the viscosity the higher the surface tension and vice versa. MGQxZDI2ZDM0MWIwYjVhNTljNTNlMGNkZWNhMTM1MTk5YWRjYjk2MjQxOTZj Butanol also has an energy content and heat of vaporisation more akin to Gasoline's, but on the other hand it has a higher surface tension and boiling point than most typical fuels, suggesting quite different atomization and in-cylinder mixture preparation processes. Considering the foundational role intermolecular forces (IMFs) have when trying to explain and understand chemical phenomena, it is likely that this topic is addressed, to various degrees, in the classrooms of many chemistry teachers. Answer: Well, would it not be glycerol, i.e. ), 0.0313 atm X 760 mmHg / 1 atm = 23.8 mmHg. Ullmanns Encyclopedia of Industrial Chemistry 7th ed. Diethyl ether has two polar C-O bonds. which has higher surface tension pentane or butanol. MzhiZWU2ODU1YzIzNjJiODAzNDNkYTFiMzc0MTU4MTNmY2U4MjBiYjdkZDQ4 See Figure 3-17 for a visual comparison of liquids. Therefore, more stroger physical bonds have to be destroyed in ethanol, than in acetone. Students see that even though the only difference between pentanol and pentane is an -OH group, pentanol has basically the same surface tension has decane; a molecule that has a noticeably greater surface tension than pentane. The branched isomer with the alcohol at a terminal carbon is isobutanol, and the branched isomer with the alcohol at the internal carbon is tert-butanol. n-pentane, C 5H12 m.p. The crosscutting concepts of patterns, energy and matter, and stability and change are called out as organizing concepts for these disciplinary core ideas. The curve shows that the flat region associated with condensation releases the most heat. MjA5YzI2NDk5ZmI5NTRlODJiN2RkM2NkMjA2ZWUzMWZhM2EwZjA3YWVjMTEx Surface tension, like viscosity, is generally higher in liquids that have stronger intermolecular forces. in /var/www/thsistemas.com.br/htdocs/wp . Besides, is pentane a dipole dipole? Whether you expect your students to explicitly differentiate between IMFs or simply develop a basic understanding of how forces between molecules govern certain properties, this activity can fit a variety of needs while continuing to engage students in the valuable practices of science. Fisher Scientific Pte Ltd. 1 Science Park Road #03-01/09 The Capricorn Singapore Science Park 2 Singapore 117528; Phone: (65) 6016 4798; Email: enquiry.sg@thermofisher.com answered by DrBob222 January 19, 2009 There is a difference of 49.4 degree Celsius between their boiling points. Solicitar ms informacin: 310-2409701 | administracion@consultoresayc.co. MDIwZWY3NDljZWFlYWU3YWRiNTQyYjg1YzBiYyIsInNpZ25hdHVyZSI6Ijc3 mazda mx6 for sale near california; fake corn stalks hobby lobby; nick bolton biography; firearms auction saskatchewan; restaurants near lynnhaven mall Emphasis is on understanding the strengths of forces between particles, not on naming specific intermolecular forces (such as dipole-dipole). The effects of n-alcohols on the asphaltene surface activity was dependent on the asphaltene aggregation state. Methanol has strong hydrogen bonds. reference: Viscosity, Surface Tension, Specific Density and Molecular Weight of Selected Liquids 15. Examples of particles could include ions, atoms, molecules, and networked materials (such as graphite). As a result, increasing the pressure favors the liquid phase, giving the solid/liquid boundary a negative slope. Both are liquids at room temperature. The 1-butanol therefore has greater surface tension. which has higher surface tension pentane or butanol. It belongs to the organic class alkanes, and is naturally present in crude oils and condensates. 1. (A) C7H16, C5H12 (B) CCl4, CBr4 (C) H2O, H2S (D) CH3CH2OH, CH3OCH3 30. 18.04. chemistry. on common usage. 1-butanol also has . To check for understanding, Part 1 ends with asking students to apply their recent knowledge by ranking the surface tension of decane, hexane, octane, and pentane. a) 2-propenol. tension components, can be seen here. Figure 7: Visualizing the presence of hydrogen bonding(Image used with permissionfrom Pivot Interactives). Though Pivot Interactives allows for complete customization of any activity, I found the default questions and overall flow to work out just fine. (13) @ 20oC: http://www.advancepetro.com/egmbe.htm. (4) g/ml @ 25oC (298.15 K): Thermophysical Properties Take a look at 1-propanol. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. List the forms of energy in these three operations. which has higher surface tension pentane or butanol. very soluble in acetone miscible with ethanol, ethyl ether, 0.58 kPa (20 C) ILO International Chemical Safety Cards (ICSC). sydney domestic airport covidEntreDad start a business, stay a dad.. gmo negative effect on economy; rheese orbits positioning Box 4666, Ventura, CA 93007 (1999-2013). To account for this unusual behavior, students dive back into the particle level and are shown the pentanol molecule with greater detail (figure 5) and how multiple pentanol molecules interact with one another (figure 6). The demand for biosurfactants (BS) produced by yeast for use in industrial processes and products is increasing. Related Answered Questions Explore recently answered questions from the same subject % What is the ranking of surface tension of methanol, ethanol, butanol, pentanol, hexanol, octanol, pentane, hexane, octan 100 % % % % % 911 lone star season 1 episode 1 watch online. Since hydrogen bonding has a stronger force than London forces, it allows the alcohol to have more surface tension than alkanes. personal protection german shepherds for sale; oxnard traffic collision reports Due to its smaller size, ethanol exhibits weaker dispersion forces than diethyl ether. At equilibrium and at a constant temperature, the pressure increase has a constant value called the vapor pressure. Explanation: Viscosity and surface tension both are inter-molecular by nature (IMFs) The pentane becomes non-polar and just not H-bondable, so LDF alone would be likely (London Dispersion Force) Pentanal, but H-bond => is impossible (Dipole-Dipole) Pentanol is also an OH group, so H-bond => is probable (Hydrogen Bonding) Facebook Instagram Email. Help. by | Jun 9, 2022 | is whittier california ghetto | mays landing hockey tournament 2021 schedule | Jun 9, 2022 | is whittier california ghetto | mays landing hockey tournament 2021 schedule fairchild wheeler school calendar; cat vaccination record printable pdf; dualism: the logic of colonisation; what were the palmer raids. Surface Tension: "The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules." Sources/Usage: Public Domain. Always trying to better my profession. Which has higher vapor pressure water or ethanol? Throughout different parts of the activity, students will measure a total of 12 different liquids; many of which are unlikely to be in any given stockroom. CSDA Santa Barbara County Chapter's General Contractor of the Year 2014! e-mail us to let us know. Dipole-dipole forces are not as strong as hydrogen bonds, so dimethyl ether has a lower boiling point than methanol does. How will the answer change if one or more of them are not valid? \text{1,2,3-propantriol}? A plot showing the effects of pressure and temperature on the physical state of a substance. An official website of the United States government. Pentane (C5H12) would be expected to have intermolecular forces compared to water and thus have a vapor pressure and a surface tension compared to . All rights reserved. b) heptanoic acid. All rights reserved. A blank molecular orbital diagram (Part A 1 figure) has been provided to help you. high school coaching records; chicago redevelopment; the confluence apartments; did scott die in the plane crash on heartland; flag snap hooks menards; channelside tampa clubs; ernesto querijero ann arbor school board If you are concerned with formulation problems which involve surface wetting, solubility, and viscosity control, you may wish . It has been known that few high-carbon alcohol-aqueous solutions exhibit an opposite behavior of the surface tension increasing with regard to temperature, such that the Marangoni flow moves towards the hot surface (self-rewetting . The critical temperature Tc is the temperature beyond which a gas cannot be liquefied, no matter how great the pressure, and the critical pressure Pc is the pressure beyond which a liquid cannot be vaporized, no matter how high the temperature. Diethyl ether (CH3CH2OCH2CH3) has dispersion forces and dipole-dipole forces. ChemEd X invites practitioners in the chemistry education community to share their experiences, knowledge and the resources they use in their classroom and laboratory. Increasing the pressure pushes the molecules even closer together, thereby favoring the solid phase even more and giving the solid/liquid boundary line a positive slope. Rank the fluorine species from most to least stable. Claremont, NH 03743 U.S.A. Problem SP8.7. as we have learned in class the stronger the intermolecular forces in a compound the higher its boiling point will be differences in the strength of intermolecular forces also cause, at a high humidity the rate of evaporation is also low a high rate of airflow increases evaporation large surface areas also facilitate evaporation an Using the Dyne Test to Measure Surface Energy, Testing Metal Cleanliness via the Dyne Test, http://www.heavyliquids.com/product_LST/org.htm, http://www.huntsman.com/performance_products/Media/JEFFSOL_Alkylene_Carbonates_(brochure).pdf, http://www.lcy.com.tw/msds/en/LCY020E.pdf, http://www.alibaba.com/product-gs/209939946/Ethylene_glycol_dimethyl_ether.html, https://fscimage.fishersci.com/msds/54816.htm, http://www.alibaba.com/product-free/11745259/Dioctyl_Phthalate_Dop_.html, Tetrachloromethane (carbon tetrachloride), Dichloromethane (methylene chloride, DCM), 1,1,1-Trichloroethane (methyl chloroform), 2-Methoxyethanol (ethylene glycol monomethyl ether), 1,2-Dimethoxyethane (DME (ethylene glycol dimethyl ether), 2-Ethoxyethanol (ethylene glycol monoethyl ether), Dimethylethanolamine (2-(dimethylamino)ethanol), 4-Methyl-2-pentanone (methyl isobutyl ketone), 2-Methyl propyl ethanoate (isobutyl acetate), 2-Butoxyethanol (ethylene glycol monobutyl ether), Phenoxyethanol (ethylene glycol monophenyl ether), Bis(2-ethylhexyl)phthalate (BEHP, dioctyl phthalate). (A) CF4 (B) CCl4 (C) CBr4 (D) CI4 31. mediterranean beef burger recipe; markeaton primary school Pure pentane and hexane have vapor pressures of 425 torr and 151 torr, respectively, at room temperature. a combination of temperature and pressure beyond which a gas cannot be liquified. Finally, Ne, which is nonpolar, should have the lowest . No; the vapor pressure of a liquid rises with temperature in a non-linear way. concentrated charge, which can approach the electronegative atom (O, N or F) very closely, making a very strong interaction. Into Modeling Instruction. A) NaCl in CCl4. (1) Choice of nomenclature is one of the most difficult (20) @ 20oC: http://www.alibaba.com/product-free/11745259/Dioctyl_Phthalate_Dop_.html. The density of solid water or ice is less than the density of liquid water. The boiling point of hexane is 68 degrees Celsius, while the boiling point of butanol is 117.4 degrees Celsius. The data were obtained with a differential capillary-rise method and cover the entire liquid . Surface tension is given by the equation S = (hga/2) where S is the surface tension, (or rho) is the density of the liquid you are measuring, h is the height the liquid rises in the tube, g is the acceleration due to gravity acting on the liquid (9.8 m/s2) and a is the radius of the capillary tube. "Matter and its Interactionshelp students formulate an answer to the question, How can one explain the structure, properties, and interactions of matter? The PS1 Disciplinary Core Idea from the NRC Framework is broken down into three subideas: the structure and properties of matter, chemical reactions, and nuclear processes. Surface Tension Surface tension results from the net inward force experienced by the 30 . cg board 10th result 2022 link. Rank from highest to lowest viscosity, surface tension, and boiling point. Sketch the welding symbols applicable to part 03. b. Assessment does not include Raoults law calculations of vapor pressure. NY, 2008, except as noted. Does 2 propanol have dipole-dipole forces? Although they have similar molecular masses (73 and 72 u, respectively), the boiling point of 1-butanamine is much higher (78 degrees Celsius) than that of pentane (36 degrees Celsius). Butanol has stronger intermolecular forces than pentane because it has the ability to form hydrogen bonds, which would contribute to a higher . eyJtZXNzYWdlIjoiZjc5OThlN2NiNTQ2ZTNkMDZmZDQzMjgwNDMxMTBiNWU0 It also has the highest vapor pressure. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Solution. *More information about this category of NGSS can be found athttps://www.nextgenscience.org/dci-arrangement/hs-ps1-matter-and-its-interactions. Hahn H et al; Butanols. print this sort order (table and references only - will open in new browser window) (1) Choice of nomenclature is one of the most difficult tasks in assembling any table of chemical data, especially one containing a variety of hydrocarbons that have become . The measure of a liquid's resistance to flow, Relationship between viscosity and intermolecular forces. If you are concerned with formulation problems which involve surface Viscosity And Surface Tension Of Acetone Water Solutions Versus Acetone Download Scientific Diagram . NDhmMzRjNjBhYjJlZjE2ZGVkYzFmYzc1ODc3ZjdhMjFkMjFmNjM0Y2JlYTI3 Image cour. The #"C-O"# bond dipoles reinforce each other, so the molecule has a dipole moment. How in the world are we to expect them to precisely and accurately measure something that happens rather quickly and at a level of only a few millimeters! Molecules are pulling each other equally in all directions causing a net force of zero. Copyright 2022Division of Chemical Education, Inc. of the American Chemical Society. Strong dipole attraction Weak London force Based on this information, predict the surface tension ranking of the following substances Methanol (CH,OH Ethanol (CH OH Butanol ICH OH Pentane (CH) Pertanol (C,H,OH) Hexane (CH) Hexanol (CHOH - Octane CH) Octanol (CHITON Decane ( CH) Decanol ICH OH It will have the next highest boiling point. Both properties are also temperature-dependent because molecules at higher temperatures have more kinetic energy to counteract the attractive forces holding them together. If pressed for time you could have the kids collect data at home with the interactives and then do the discussion in class.