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Thermochemistry of teepleite
Shuguang, C; Jun, L; Bing, L
AbstractThe enthalpy of solution of teepleite, Na2B(OH)(4)Cl, in approximately 1 mol dm(-3) aqueous hydrochloric acid was determined. Together with the previously determined enthalpies of solution of H3BO3 in approximately 1 mol dm(-3) HCl(aq), and of NaCl in aqueous (hydrochloric acid + boric acid), the standard molar enthalpy of formation of -2007.98 +/- 0. 84 J K-1 mol(-1) for Na2B(OH)(4)Cl was obtained from the standard molar enthalpies of formation NaCl(s), H3BO3(s), and H2O(l). The standard molar entropy of formation of -700.59 J K-1 mol(-1) and standard molar entropy of 190.62 J K-1 mol(-1) for Na2B(OH)(4)Cl were calculated from the thermodynamic relations. The group contribution method by Li is applicable to teepleite. (C) 2001 Elsevier Science BN. All rights reserved.
KeywordNa2b(Oh)(4)Cl Standard Molar Enthalpy Of Formation Solution Calorimetry Molar Enthalpy Of Solution Aqueous Hydrochloric Acid Solution
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000170865400010
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Document Type期刊论文
AffiliationChinese Acad Sci, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
Recommended Citation
GB/T 7714
Shuguang, C,Jun, L,Bing, L. Thermochemistry of teepleite[J]. THERMOCHIMICA ACTA,2001,376(2):169-174.
APA Shuguang, C,Jun, L,&Bing, L.(2001).Thermochemistry of teepleite.THERMOCHIMICA ACTA,376(2),169-174.
MLA Shuguang, C,et al."Thermochemistry of teepleite".THERMOCHIMICA ACTA 376.2(2001):169-174.
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