Enthalpies of solution of malonic, glutaric, ascorbic, and dl-aspartic acids in water and of fumaric acid in 0.1 mol·dm-3 HCl

Alexander Apelblat

doi:10.1016/0021-9614(90)90195-V

Enthalpies of solution of malonic, glutaric, ascorbic, and dl-aspartic acids in water and of fumaric acid in 0.1 mol·dm^-3 HCl

Alexander Apelblat

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

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Abstract

Enthalpies of solution of five organic acids in water were measured in a Parr calorimeter. The molar enthalpies of solution are: Δ_solH_m(298.20 K, m = 0.0299 mol·kg^-1) = (21.3±0.4) kJ·mol^-1 and Δ_solH_m(298.20 K, m = 0.0470 mol·kg^-1) = (20.1±0.6) kJ·mol^-1 for malonic acid; Δ_solH_m(298.16 K, m = 0.0048 mol·kg^-1) = (34.3±1.2) kJ·mol^-1 for glutaric acid; Δ_solH_m(298.19 K, 0.1 mol·dm^-3 HCl, m = 0.00119 mol·kg^-1) = (68.7±3.9) kJ·mol^-1 for fumaric acid; Δ_solH_m(298.22 K, m = 0.0128 mol·kg^-1) = (25.0±0.6) kJ·mol^-1 and Δ_solH_m(298.27 K, m = 0.0275 mol·kg^-1) = (23.3±0.3) kJ·mol^-1 for ascorbic acid; and Δ_solH_m(298.18 K, m = 0.0148 mol·kg^-1) = (33.5±0.5) kJ·mol^-1 for dl-aspartic acid.

Original language	English
Pages (from-to)	253-256
Number of pages	4
Journal	Journal of Chemical Thermodynamics
Volume	22
Issue number	3
DOIs	https://doi.org/10.1016/0021-9614(90)90195-V
State	Published - 1 Jan 1990

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
General Materials Science
Physical and Theoretical Chemistry

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@article{aa3af85f6b5444e08f509b69159c701e,

title = "Enthalpies of solution of malonic, glutaric, ascorbic, and dl-aspartic acids in water and of fumaric acid in 0.1 mol·dm-3 HCl",

abstract = "Enthalpies of solution of five organic acids in water were measured in a Parr calorimeter. The molar enthalpies of solution are: ΔsolHm(298.20 K, m = 0.0299 mol·kg-1) = (21.3±0.4) kJ·mol-1 and ΔsolHm(298.20 K, m = 0.0470 mol·kg-1) = (20.1±0.6) kJ·mol-1 for malonic acid; ΔsolHm(298.16 K, m = 0.0048 mol·kg-1) = (34.3±1.2) kJ·mol-1 for glutaric acid; ΔsolHm(298.19 K, 0.1 mol·dm-3 HCl, m = 0.00119 mol·kg-1) = (68.7±3.9) kJ·mol-1 for fumaric acid; ΔsolHm(298.22 K, m = 0.0128 mol·kg-1) = (25.0±0.6) kJ·mol-1 and ΔsolHm(298.27 K, m = 0.0275 mol·kg-1) = (23.3±0.3) kJ·mol-1 for ascorbic acid; and ΔsolHm(298.18 K, m = 0.0148 mol·kg-1) = (33.5±0.5) kJ·mol-1 for dl-aspartic acid.",

author = "Alexander Apelblat",

year = "1990",

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doi = "10.1016/0021-9614(90)90195-V",

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T1 - Enthalpies of solution of malonic, glutaric, ascorbic, and dl-aspartic acids in water and of fumaric acid in 0.1 mol·dm-3 HCl

AU - Apelblat, Alexander

PY - 1990/1/1

Y1 - 1990/1/1

N2 - Enthalpies of solution of five organic acids in water were measured in a Parr calorimeter. The molar enthalpies of solution are: ΔsolHm(298.20 K, m = 0.0299 mol·kg-1) = (21.3±0.4) kJ·mol-1 and ΔsolHm(298.20 K, m = 0.0470 mol·kg-1) = (20.1±0.6) kJ·mol-1 for malonic acid; ΔsolHm(298.16 K, m = 0.0048 mol·kg-1) = (34.3±1.2) kJ·mol-1 for glutaric acid; ΔsolHm(298.19 K, 0.1 mol·dm-3 HCl, m = 0.00119 mol·kg-1) = (68.7±3.9) kJ·mol-1 for fumaric acid; ΔsolHm(298.22 K, m = 0.0128 mol·kg-1) = (25.0±0.6) kJ·mol-1 and ΔsolHm(298.27 K, m = 0.0275 mol·kg-1) = (23.3±0.3) kJ·mol-1 for ascorbic acid; and ΔsolHm(298.18 K, m = 0.0148 mol·kg-1) = (33.5±0.5) kJ·mol-1 for dl-aspartic acid.

AB - Enthalpies of solution of five organic acids in water were measured in a Parr calorimeter. The molar enthalpies of solution are: ΔsolHm(298.20 K, m = 0.0299 mol·kg-1) = (21.3±0.4) kJ·mol-1 and ΔsolHm(298.20 K, m = 0.0470 mol·kg-1) = (20.1±0.6) kJ·mol-1 for malonic acid; ΔsolHm(298.16 K, m = 0.0048 mol·kg-1) = (34.3±1.2) kJ·mol-1 for glutaric acid; ΔsolHm(298.19 K, 0.1 mol·dm-3 HCl, m = 0.00119 mol·kg-1) = (68.7±3.9) kJ·mol-1 for fumaric acid; ΔsolHm(298.22 K, m = 0.0128 mol·kg-1) = (25.0±0.6) kJ·mol-1 and ΔsolHm(298.27 K, m = 0.0275 mol·kg-1) = (23.3±0.3) kJ·mol-1 for ascorbic acid; and ΔsolHm(298.18 K, m = 0.0148 mol·kg-1) = (33.5±0.5) kJ·mol-1 for dl-aspartic acid.

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ER -

Enthalpies of solution of malonic, glutaric, ascorbic, and dl-aspartic acids in water and of fumaric acid in 0.1 mol·dm^-3 HCl

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