La₂O₃glass

Formula : La₂O₃

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Dernière mise à jour le 25.01.2021

Individual properties (298.15 K)

M g·mol^-1	V° cm³·mol^-1	ΔGº_f J·mol^-1	ΔHº_f J·mol^-1	Sº J·mol^-1·k^-1	C_P J·mol^-1·K^-1
325.809		-1635033 (Ref.: 92plo/wic) Plodinec M. J. and Wicks G. G. (1992) Applications of hydration thermodynamics to in-situ tests results. In: Proc. Workshop on In Situ Testiong of Radioactive Waste Forms and Engineered Barriers, Corsendonk, Belgium, oct. 13-16, 1992.

C_P(T) = a + b·T + ·c·T^-2 (T in Kelvin)

a J·mol^-1·K^-1	*b 10³** J·mol^-1·K^-2	*c 10^-5** J·K·mol^-1	Maier Kelley Ref.

Reaction properties

La₂O₃glass + 6H⁺ ⇌ 2La⁺³ + 3H₂O

298.15 K, 1 bar log₁₀K: 78.62 ΔH°_r: J·mol^-1

T(°C)	0	25	60	100	150	200	250	300
log₁₀K	78.62	78.62	78.62	78.62	78.62	78.62	78.62	78.62

log₁₀K(T) = A + B·T + C·T^-1 + D·log₁₀(T) + E·T⁻² (T in Kelvin)

A	B	C	D	E
78.618438	0.000000	0.000000	0.000000	0.000000