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- W1501554264 abstract "The standard molar reaction enthalpies of two reactions, CeCl3·7H2O(s)+3CCl3COOH(s)=Ce(TCA)3·3H2O(s)+3HCl(g)+4H2O(I) (1) and Ce (TCA)3·3H2O(s)+2C9H7NO (s) =Ce(TCA) (C9H6NO)2(s)+2CCl3COOH(s) + 3H2O(I) (2),were investigated by classical solution calorimetry and an isoperibol calorimeter at 298.15 K. The standard molar enthalpies △sHm^- of solution of CeCl3·7H2O(s), 3CCl3COOH(s),Ce(TCA)3·3H2O(s), Ce(TCA)3·3H2O(s), 2C9H7NO(s), Ce(TCA) (C9H6NO)2(s) and 2CCl3COOH(s) were determined to be (50.615±0.028), (23.431±0.027), (94.206±0.010),(54.151±0.020), (27.485±0.045), (106.392±0.060) and -(14.893±0.026) kJ/mol, respectively. The reaction enthalpies △rHm^- of reactions (1) and (2) were obtained to be (204.279±0.023) and -(9.863±0.041) kJ/mol, respectively. According to the above results and the data given in literature, through Hess'' law, the standard molar enthalpies △fHm^- of formation of Ce(TCA)3·3H2O(s) and Ce(TCA)(C9H6NO)2(s) were estimated to be -(3060.0±0.087) and -(1369.0±0.292) kJ/mol, respectively." @default.
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- W1501554264 date "2003-01-01" @default.
- W1501554264 modified "2023-09-23" @default.
- W1501554264 title "Standard Molar Enthalpies of Formation of Ce （ TCA）3·3H2O （s） and Ce（TCA） （C9H6NO）2（S）" @default.
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