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The Estimation of Standard Molar Enthalpies of Solution for VOSO4 center dot nH(2)O(s) in Water and in Aqueous H2SO4
Qin, Ye2; Xue, Wei-Feng1; Liu, Jian-Guo2; Xu, Wei-Guo1; Yan, Chuan-Wei2; Yang, Jia-Zhen1
Corresponding AuthorYang, Jia-Zhen(jzyanglnu@yahoo.com.cn)
2010-06-01
Source PublicationJOURNAL OF SOLUTION CHEMISTRY
ISSN0095-9782
Volume39Issue:6Pages:857-863
AbstractThe molar enthalpies of solution of VOSO4 center dot 3.52H(2)O( s) at various molalities in water and in aqueous sulfuric acid (0.1 mol.kg(-1)), Delta H-sol(m), were measured by a solution-reaction isoperibol calorimeter at 298.15 +/- 0.01 K. An improved Archer's method to estimate the standard molar enthalpy of solution, Delta H-sol(m)0, was put forward. In terms of the improved method, the values of Delta H-sol(m)0 =- 24.12 +/- 0.03 kJ . mol(-1) of VOSO4 +/- 3.52H(2)O(s) in water and Delta H-sol(m)0 = - 15.38 +/- 0.06 kJ . mol(-1) in aqueous sulfuric acid were obtained, respectively. The data indicates that the energy state of VOSO4 in aqueous H2SO4 is higher than that in pure water.
KeywordVanadium redox flow battery Enthalpies of solution Vanadyl sulfate Sulfuric acid
Funding OrganizationNatural Science Foundation of Liaoning Province China
DOI10.1007/s10953-010-9544-7
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Liaoning Province China[20071010]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000279469300009
PublisherSPRINGER/PLENUM PUBLISHERS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/101093
Collection中国科学院金属研究所
Corresponding AuthorYang, Jia-Zhen
Affiliation1.Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
2.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Qin, Ye,Xue, Wei-Feng,Liu, Jian-Guo,et al. The Estimation of Standard Molar Enthalpies of Solution for VOSO4 center dot nH(2)O(s) in Water and in Aqueous H2SO4[J]. JOURNAL OF SOLUTION CHEMISTRY,2010,39(6):857-863.
APA Qin, Ye,Xue, Wei-Feng,Liu, Jian-Guo,Xu, Wei-Guo,Yan, Chuan-Wei,&Yang, Jia-Zhen.(2010).The Estimation of Standard Molar Enthalpies of Solution for VOSO4 center dot nH(2)O(s) in Water and in Aqueous H2SO4.JOURNAL OF SOLUTION CHEMISTRY,39(6),857-863.
MLA Qin, Ye,et al."The Estimation of Standard Molar Enthalpies of Solution for VOSO4 center dot nH(2)O(s) in Water and in Aqueous H2SO4".JOURNAL OF SOLUTION CHEMISTRY 39.6(2010):857-863.
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