Henry’s law coefficient of hydrazoic acid

Eric A. Betterton; Jill L. Robinson

doi:10.1080/10473289.1997.10464060

Henry’s law coefficient of hydrazoic acid

Eric A. Betterton, Jill L. Robinson

Institute of Atmospheric Physics

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

19 Scopus citations

Abstract

The Henry’s law constant, K_H, of dilute aqueous hydrazoic acid, HN₃, was determined experimentally for the first time as a function of concentration and temperature in a packed column. K_H was found to be 12.0 ± 0.7 M atm^-1 at 25 °C, m = 0.02 M ((8.4 ± 0.5) x 10^-3kPa m³mol^-1). The reaction enthalpy, DH, was found to be -31 ± 1 kJ mol^-1. The results appear to be in good agreement with the only other published value for concentrated aqueous solutions at 30 °C.

Original language	English (US)
Pages (from-to)	1216-1219
Number of pages	4
Journal	Journal of the Air and Waste Management Association
Volume	47
Issue number	11
DOIs	https://doi.org/10.1080/10473289.1997.10464060
State	Published - Nov 1 1997

ASJC Scopus subject areas

Waste Management and Disposal
Management, Monitoring, Policy and Law

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title = "Henry{\textquoteright}s law coefficient of hydrazoic acid",

abstract = "The Henry{\textquoteright}s law constant, KH, of dilute aqueous hydrazoic acid, HN3, was determined experimentally for the first time as a function of concentration and temperature in a packed column. KH was found to be 12.0 ± 0.7 M atm-1 at 25 °C, m = 0.02 M ((8.4 ± 0.5) x 10-3kPa m3mol-1). The reaction enthalpy, DH, was found to be -31 ± 1 kJ mol-1. The results appear to be in good agreement with the only other published value for concentrated aqueous solutions at 30 °C.",

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AB - The Henry’s law constant, KH, of dilute aqueous hydrazoic acid, HN3, was determined experimentally for the first time as a function of concentration and temperature in a packed column. KH was found to be 12.0 ± 0.7 M atm-1 at 25 °C, m = 0.02 M ((8.4 ± 0.5) x 10-3kPa m3mol-1). The reaction enthalpy, DH, was found to be -31 ± 1 kJ mol-1. The results appear to be in good agreement with the only other published value for concentrated aqueous solutions at 30 °C.

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