Excess Molar Enthalpies and Hydrogen Bonding in Binary Mixtures Containing Glycols or Poly(Ethylene Glycols) and 2-Phenylethyl Alcohol at 308.15 K and Atmospheric Pressure
Excess molar enthalpies, , of binary liquid mixtures containing as component 1 ethylene glycol, propylene glycol, di(ethylene glycol), tri(ethylene glycol), tetra(ethylene glycol), or some PEGs, such as PEG200, PEG300, PEG400, PEG600, and 2-phenylethyl alcohol (2), have been measured over the entire...
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| Veröffentlicht in: | Journal of chemical and engineering data 2004-07, Vol.49 (4), p.1032-1035 |
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| container_title | Journal of chemical and engineering data |
| container_volume | 49 |
| creator | Castellari, Carlo Francesconi, Romolo Comelli, Fabio |
| description | Excess molar enthalpies, , of binary liquid mixtures containing as component 1 ethylene glycol, propylene glycol, di(ethylene glycol), tri(ethylene glycol), tetra(ethylene glycol), or some PEGs, such as PEG200, PEG300, PEG400, PEG600, and 2-phenylethyl alcohol (2), have been measured over the entire range of mole fraction x 1 at 308.15 K and at atmospheric pressure, using a flow microcalorimeter. The values of vary from a value of −600 J·mol-1 (mixture containing PEG600) up to a maximum of 254 J·mol-1 (mixture containing propylene glycol) decreasing as the chain length of glycols or PEGs increase. Curves are not symmetric, and in the case of mixtures containing PEGs, an intersection among the curves at x 1 ≈ 0.65 has been observed. Results were fitted to the Redlich−Kister polynomial to estimate the adjustable parameters and the standard deviations between experimental and calculated values. Qualitative discussion of H bonding in the liquid state is given. |
| doi_str_mv | 10.1021/je049943s |
| format | Article |
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The values of vary from a value of −600 J·mol-1 (mixture containing PEG600) up to a maximum of 254 J·mol-1 (mixture containing propylene glycol) decreasing as the chain length of glycols or PEGs increase. Curves are not symmetric, and in the case of mixtures containing PEGs, an intersection among the curves at x 1 ≈ 0.65 has been observed. Results were fitted to the Redlich−Kister polynomial to estimate the adjustable parameters and the standard deviations between experimental and calculated values. Qualitative discussion of H bonding in the liquid state is given.</description><identifier>ISSN: 0021-9568</identifier><identifier>EISSN: 1520-5134</identifier><identifier>DOI: 10.1021/je049943s</identifier><identifier>CODEN: JCEAAX</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Applied sciences ; Chemical thermodynamics ; Chemistry ; Exact sciences and technology ; General and physical chemistry ; Mixtures ; Organic polymers ; Physicochemistry of polymers ; Properties and characterization ; Thermal and thermodynamic properties ; Thermodynamic properties</subject><ispartof>Journal of chemical and engineering data, 2004-07, Vol.49 (4), p.1032-1035</ispartof><rights>Copyright © 2004 American Chemical Society</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a325t-765fb6887053a0dfbb567cd7049dcd95bc14135fe5158d5b3d2b456e412c0c003</citedby><cites>FETCH-LOGICAL-a325t-765fb6887053a0dfbb567cd7049dcd95bc14135fe5158d5b3d2b456e412c0c003</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/je049943s$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/je049943s$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15940242$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Castellari, Carlo</creatorcontrib><creatorcontrib>Francesconi, Romolo</creatorcontrib><creatorcontrib>Comelli, Fabio</creatorcontrib><title>Excess Molar Enthalpies and Hydrogen Bonding in Binary Mixtures Containing Glycols or Poly(Ethylene Glycols) and 2-Phenylethyl Alcohol at 308.15 K and Atmospheric Pressure</title><title>Journal of chemical and engineering data</title><addtitle>J. Chem. Eng. Data</addtitle><description>Excess molar enthalpies, , of binary liquid mixtures containing as component 1 ethylene glycol, propylene glycol, di(ethylene glycol), tri(ethylene glycol), tetra(ethylene glycol), or some PEGs, such as PEG200, PEG300, PEG400, PEG600, and 2-phenylethyl alcohol (2), have been measured over the entire range of mole fraction x 1 at 308.15 K and at atmospheric pressure, using a flow microcalorimeter. The values of vary from a value of −600 J·mol-1 (mixture containing PEG600) up to a maximum of 254 J·mol-1 (mixture containing propylene glycol) decreasing as the chain length of glycols or PEGs increase. Curves are not symmetric, and in the case of mixtures containing PEGs, an intersection among the curves at x 1 ≈ 0.65 has been observed. Results were fitted to the Redlich−Kister polynomial to estimate the adjustable parameters and the standard deviations between experimental and calculated values. Qualitative discussion of H bonding in the liquid state is given.</description><subject>Applied sciences</subject><subject>Chemical thermodynamics</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Mixtures</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Properties and characterization</subject><subject>Thermal and thermodynamic properties</subject><subject>Thermodynamic properties</subject><issn>0021-9568</issn><issn>1520-5134</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNptkMtOGzEUhi3USqS0i76BN0iwGPB1LssQUkILaqqmgp3lsT2Mg7Eje5Ayz9SXrENa2HRlS993_qPzA_AZozOMCD5fG8SahtF0ACaYE1RwTNk7MEEZFg0v60PwIaU1QohVBE_A7_lWmZTgbXAywrkfeuk21iQovYaLUcfwYDy8CF5b_wBt_lov4whv7XZ4jtmbBT9I63f0yo0quARDhMvgxpP50I_OePMPnL6EkmLZG5_BjsKpU6EPDsoBUlSfYQ6_vVjT4SmkTW-iVXCZ96S87CN430mXzKe_7xH49WW-mi2Km-9X17PpTSEp4UNRlbxry7quEKcS6a5teVkpXeVitNINbxVmmPLOcMxrzVuqSct4aRgmCimE6BE43eeqGFKKphObaJ_y1QIjsWtZvLac3eO9u5FJSddF6ZVNbwO8YYgwkr1i79k0mO0rl_FRlBWtuFgtf4r78sfd6uvsUizecqVKYh2eo88X_2f_H6LnmQo</recordid><startdate>20040701</startdate><enddate>20040701</enddate><creator>Castellari, Carlo</creator><creator>Francesconi, Romolo</creator><creator>Comelli, Fabio</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20040701</creationdate><title>Excess Molar Enthalpies and Hydrogen Bonding in Binary Mixtures Containing Glycols or Poly(Ethylene Glycols) and 2-Phenylethyl Alcohol at 308.15 K and Atmospheric Pressure</title><author>Castellari, Carlo ; Francesconi, Romolo ; Comelli, Fabio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a325t-765fb6887053a0dfbb567cd7049dcd95bc14135fe5158d5b3d2b456e412c0c003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Chemical thermodynamics</topic><topic>Chemistry</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Mixtures</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Properties and characterization</topic><topic>Thermal and thermodynamic properties</topic><topic>Thermodynamic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Castellari, Carlo</creatorcontrib><creatorcontrib>Francesconi, Romolo</creatorcontrib><creatorcontrib>Comelli, Fabio</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of chemical and engineering data</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Castellari, Carlo</au><au>Francesconi, Romolo</au><au>Comelli, Fabio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Excess Molar Enthalpies and Hydrogen Bonding in Binary Mixtures Containing Glycols or Poly(Ethylene Glycols) and 2-Phenylethyl Alcohol at 308.15 K and Atmospheric Pressure</atitle><jtitle>Journal of chemical and engineering data</jtitle><addtitle>J. Chem. Eng. Data</addtitle><date>2004-07-01</date><risdate>2004</risdate><volume>49</volume><issue>4</issue><spage>1032</spage><epage>1035</epage><pages>1032-1035</pages><issn>0021-9568</issn><eissn>1520-5134</eissn><coden>JCEAAX</coden><abstract>Excess molar enthalpies, , of binary liquid mixtures containing as component 1 ethylene glycol, propylene glycol, di(ethylene glycol), tri(ethylene glycol), tetra(ethylene glycol), or some PEGs, such as PEG200, PEG300, PEG400, PEG600, and 2-phenylethyl alcohol (2), have been measured over the entire range of mole fraction x 1 at 308.15 K and at atmospheric pressure, using a flow microcalorimeter. The values of vary from a value of −600 J·mol-1 (mixture containing PEG600) up to a maximum of 254 J·mol-1 (mixture containing propylene glycol) decreasing as the chain length of glycols or PEGs increase. Curves are not symmetric, and in the case of mixtures containing PEGs, an intersection among the curves at x 1 ≈ 0.65 has been observed. Results were fitted to the Redlich−Kister polynomial to estimate the adjustable parameters and the standard deviations between experimental and calculated values. Qualitative discussion of H bonding in the liquid state is given.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/je049943s</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | American Chemical Society Journals |
| subjects | Applied sciences Chemical thermodynamics Chemistry Exact sciences and technology General and physical chemistry Mixtures Organic polymers Physicochemistry of polymers Properties and characterization Thermal and thermodynamic properties Thermodynamic properties |
| title | Excess Molar Enthalpies and Hydrogen Bonding in Binary Mixtures Containing Glycols or Poly(Ethylene Glycols) and 2-Phenylethyl Alcohol at 308.15 K and Atmospheric Pressure |
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