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Thermochemistry of rubidium calcium octaborate dodecahydrate
Zhu, LX; Yue, T; Gao, SY; Liu, ZH; Xia, SP
2003-06-03
Source PublicationTHERMOCHIMICA ACTA
Volume402Issue:1-2Pages:241-245
SubtypeArticle
AbstractThe enthalpies of solution of Rb2Ca[B4O5(OH)(4)](2) . 8H(2)O in approximately 1 mol dm(-3) aqueous hydrochloric acid and of RbCl in aqueous (hydrochloric acid + boric acid +calcium oxide) were determined. From these result and the enthalpies of solution of H3BO3 in approximately 1 mol dm(-3) HCl (aq), and of CaO in aqueous (hydrochloric acid + boric acid), the standard molar enthalpy of formation of -10, 308.06 . 6.57 kJ mol(-1) for Rb2Ca[B4O5(OH)(4)](2) . 8H(2)O was obtained from the standard molar enthalpy of formation of CaO (s), RbCl (s), H3BO3 (s) and H2O (1). The standard molar entropy of formation of Rb2Ca[B4O5(OH)(4)](2) . 8H(2)O was calculated from the thermodynamic relation with the standard molar Gibbs free energy of formation of Rb2Ca[B4O5(OH)(4)](2) . 8H(2)O computed from a group contribution method. (C) 2002 Elsevier Science B.V. All rights reserved.
KeywordRb2ca[B4o5(Oh)(4)](2).8h(2)o Standard Molar Enthalpy Of Formation Solution Calorimetry Molar Enthalpy Of Solution Aqueous Hydrochloric Acid Solution
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordPOTASSIUM
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000183516100027
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6107
Collection青海盐湖研究所知识仓储
Affiliation1.Acad Sinica, Inst Salt Lakes, Xian Branch, Xian 710043, Peoples R China
2.Shaanxi Normal Univ, Inst Appl Chem, Xian 710069, Peoples R China
3.Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Zhu, LX,Yue, T,Gao, SY,et al. Thermochemistry of rubidium calcium octaborate dodecahydrate[J]. THERMOCHIMICA ACTA,2003,402(1-2):241-245.
APA Zhu, LX,Yue, T,Gao, SY,Liu, ZH,&Xia, SP.(2003).Thermochemistry of rubidium calcium octaborate dodecahydrate.THERMOCHIMICA ACTA,402(1-2),241-245.
MLA Zhu, LX,et al."Thermochemistry of rubidium calcium octaborate dodecahydrate".THERMOCHIMICA ACTA 402.1-2(2003):241-245.
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