The reaction enthalpy of coordination reaction of lanthanum chloride with Glycine is determined by solution calorimetry in an isoperibel reaction calorimeter. The calormetric solvent is the solution of hydrochloric ac...The reaction enthalpy of coordination reaction of lanthanum chloride with Glycine is determined by solution calorimetry in an isoperibel reaction calorimeter. The calormetric solvent is the solution of hydrochloric acid (2 mol· L－ 1), a new thermochemical cycle is designed. According to the results, the following date: (298.2 K)=－ 4.310 kJ· mol－ 1 (La(Gly)3Cl3· 5H2O, s, 298.2 K)=－ 4222.93 kJ· mol－ 1 were obtained.展开更多
The standard formation enthalpy of the glycine complex with erbium chloride was determined by using an isoperibolic calorimeter with the hydrochloric acid solution(2 mol/L) as a calorimetric solvent according a propos...The standard formation enthalpy of the glycine complex with erbium chloride was determined by using an isoperibolic calorimeter with the hydrochloric acid solution(2 mol/L) as a calorimetric solvent according a proposed thermochemical cycle. The following values were obtained: Δ r H θ m(298.15 K)=-3.331 kJ/mol Δ f H θ m(Er(Gly) 3Cl 3·3H 2O,s,298.15 K)=-3 632.0展开更多
The reaction enthalpy of solid-solid coordination reaction of L-Leucine with copper acetate is determined by solution calorimetry in an isoperibel reaction calorimeter. The calorimetric solvent is the solution of hydr...The reaction enthalpy of solid-solid coordination reaction of L-Leucine with copper acetate is determined by solution calorimetry in an isoperibel reaction calorimeter. The calorimetric solvent is the solution of hydrochloric acid（4 mol/L）, a new thermochemical cycle is designed. The values of ΔfHθm=15.64 kJ/mol, ΔfHθm（trans-Cu（L-Leu）2,s）=-1194.7 kJ/mol are evalcated.展开更多
The dissolution enthalpies of the [Sm(NO 3) 3[KG-*3]·6H 2O(s)+4Ala(s)] and Sm(Ala) 4(NO 3) 3 and Sm(Ala) 4(NO 3) 3·H 2O(s) have been measured at 298.15 K using a homemade isoperibolic calorimeter with hydroc...The dissolution enthalpies of the [Sm(NO 3) 3[KG-*3]·6H 2O(s)+4Ala(s)] and Sm(Ala) 4(NO 3) 3 and Sm(Ala) 4(NO 3) 3·H 2O(s) have been measured at 298.15 K using a homemade isoperibolic calorimeter with hydrochloric acid solution(2 mol/L) as solvent. The standard molar enthalpy of the coodination reaction of alanine with samarium nitrate has been determined via a designed thermochemical cycle, and ΔHθ r,m= 21 393 kJ/mol was obtained. The standard molar enthalpy of formation of the complex Sm(Ala) 4-(NO 3) 3·H 2O has been calculated to be ΔHθ f,m[Sm(Ala) 4(NO 3) 3[KG-*2]·H 2O,s,298.15 K]= = -3 865.2 kJ/mol.展开更多
The standard molar reaction enthalpy of the solid-solid coordination reaction, La(NO3)3· 6H2O (s) + 4Ala(s) (Ala is Alanine) =La(NO3)3. (Ala)4·H2O(s) + 5H2O(1), has been studied by the classical solution cal...The standard molar reaction enthalpy of the solid-solid coordination reaction, La(NO3)3· 6H2O (s) + 4Ala(s) (Ala is Alanine) =La(NO3)3. (Ala)4·H2O(s) + 5H2O(1), has been studied by the classical solution calorimetry. The molar dissolution enthalpies of the reactants and the products in 2 mol/L HCl of this solid-solid coordination reaction have been measured by using an isoperibol calorimeter. From the results and other auxiliary quantities, the standard molar formation enthalpies of [La (NO3 )3. (Ala)4. H2O, s, 298.15 K] have been determined to be Hm [La (NO3)3. (Ala)4. H2O, s, 298. 15 K]= -3 864. 247 kJ/mol.展开更多
文摘The reaction enthalpy of coordination reaction of lanthanum chloride with Glycine is determined by solution calorimetry in an isoperibel reaction calorimeter. The calormetric solvent is the solution of hydrochloric acid (2 mol· L－ 1), a new thermochemical cycle is designed. According to the results, the following date: (298.2 K)=－ 4.310 kJ· mol－ 1 (La(Gly)3Cl3· 5H2O, s, 298.2 K)=－ 4222.93 kJ· mol－ 1 were obtained.
文摘The standard formation enthalpy of the glycine complex with erbium chloride was determined by using an isoperibolic calorimeter with the hydrochloric acid solution(2 mol/L) as a calorimetric solvent according a proposed thermochemical cycle. The following values were obtained: Δ r H θ m(298.15 K)=-3.331 kJ/mol Δ f H θ m(Er(Gly) 3Cl 3·3H 2O,s,298.15 K)=-3 632.0
文摘The reaction enthalpy of solid-solid coordination reaction of L-Leucine with copper acetate is determined by solution calorimetry in an isoperibel reaction calorimeter. The calorimetric solvent is the solution of hydrochloric acid（4 mol/L）, a new thermochemical cycle is designed. The values of ΔfHθm=15.64 kJ/mol, ΔfHθm（trans-Cu（L-Leu）2,s）=-1194.7 kJ/mol are evalcated.
文摘The dissolution enthalpies of the [Sm(NO 3) 3[KG-*3]·6H 2O(s)+4Ala(s)] and Sm(Ala) 4(NO 3) 3 and Sm(Ala) 4(NO 3) 3·H 2O(s) have been measured at 298.15 K using a homemade isoperibolic calorimeter with hydrochloric acid solution(2 mol/L) as solvent. The standard molar enthalpy of the coodination reaction of alanine with samarium nitrate has been determined via a designed thermochemical cycle, and ΔHθ r,m= 21 393 kJ/mol was obtained. The standard molar enthalpy of formation of the complex Sm(Ala) 4-(NO 3) 3·H 2O has been calculated to be ΔHθ f,m[Sm(Ala) 4(NO 3) 3[KG-*2]·H 2O,s,298.15 K]= = -3 865.2 kJ/mol.
文摘The standard molar reaction enthalpy of the solid-solid coordination reaction, La(NO3)3· 6H2O (s) + 4Ala(s) (Ala is Alanine) =La(NO3)3. (Ala)4·H2O(s) + 5H2O(1), has been studied by the classical solution calorimetry. The molar dissolution enthalpies of the reactants and the products in 2 mol/L HCl of this solid-solid coordination reaction have been measured by using an isoperibol calorimeter. From the results and other auxiliary quantities, the standard molar formation enthalpies of [La (NO3 )3. (Ala)4. H2O, s, 298.15 K] have been determined to be Hm [La (NO3)3. (Ala)4. H2O, s, 298. 15 K]= -3 864. 247 kJ/mol.
