The results show that the obtained product is NH4Fe(HPO4)2 with shape of Lamellar particles. According to Hess's law, a new thermochemical cycle was designed, and the standard enthalpy of formation of the titled complex at 298.15K is: ΔfHmφ[(NH4)Fe(HPO4)2 (s), 298.15K] = −...
Enthalpy of formationEnthalpyLithium diphosphateLithium carbonate (Li2CO3) and ammonium dihydrogen phosphate (NH4H2PO4) were used for synthesizing lithium diphosphate (Li4P2O7). The purity of the latter compound was checked up by X-ray diffraction. The heat of dissolution of (Li4P2O7) in ...
1.A new thermochemical cycle is designed to determine thestandard enthalpyof formation for Co(p tol) 2Cl 2.使用具恒定温度环境的反应热量计 ,以溶解热法及针对配位反应所设计的热化学循环 ,得到反应的标准反应焓 ,并求得配合物Co(p tol) 2 Cl2 的标准生成焓。 2.A new thermochemical cycle is design...
1)standard molar enthalpy of formation标准摩尔生成焓 1.Standard molar enthalpy of formation of Zn(Thr)2+ (aq, ∞) and that of Zn(Thr) Ac2 · 2H2O (s) were calculated to be (955.15K时在纯水中的溶解焓,计算了Zn(Thr)~(2+)(aq,∞)和Zn(Thr)Ac_2·2H_2O(s)的标准摩尔生成焓分别为(...
关键词:无机化学实验;生成焓;晶格能;氯化铵;硫酸铵 中图分类号:O6‐33 文献标志码:B 文章编号:1002‐4956(2013)07‐0033‐04 Determinationofstandardenthalpiesofformationandlattice energiesofammoniumchlorideandammoniumsulfate YangChun 1,2 ,ChengWenyu 1 ,WangQinglun 2 ,LiuXiaoli 1 ,WangGuixiang 1 ,Yang...
The molar enthalpy of solution of Ba(OH)2·8H2O in (HCl + H3BO3)(aq) was determined to be −(55.42 ± 0.36) kJ·mol-1. With the incorporation of the enthalpy of solution of H3BO3 in 1 mol·dm-3 HCl(aq) and the standard molar enthalpies of formation of Ba(OH)2·8H2O(s), ...
standard molar enthalpy of formationNH4Zn2PO4HPO4 was synthesized by solid-state reaction at low temperature and characterized by XRD, FT-IR, TG and SEM. Thermochemical study was performed by an isoperibol solution calorimeter. According to Hess's law, a new thermochemical cycle was designed. ...
Standard Molar Formation Enthalpy of NH4Zn2PO4HPO4 and Its Standard Molar Formation EnthalpyHuang RunjunHuang ZengweiSong BaolingLiao SenWei DongpingYuan Aiqun
2.Finally,standard molar enthalpy of formation of ammonium hydrogen phthalate was determined to be ΔfHm [NH4(C8H5O4),s]=-(912.最后,利用此反应焓和反应中其他物质的热力学数据计算出邻苯二甲酸氢铵的标准摩尔生成焓为:ΔfHm [NH4(C8H5O4),s]=-(912。 3.Finally, the standard molar enthalpy of...
Finally,standard molar enthalpy of formation of ammonium hydrogen phthalate was determined to be ΔfHm [NH4(C8H5O4),s]=-(912. 最后,利用此反应焓和反应中其他物质的热力学数据计算出邻苯二甲酸氢铵的标准摩尔生成焓为:ΔfHm [NH4(C8H5O4),s]=-(912。 3. Finally, the standard molar enthalpy ...