Heats of hydrolysis and formation of dimethoxychloroborane | Zendy

M.V. Kilday | Zendy; Walter H. Johnson | Zendy; E.J. Prosen | Zendy

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Heats of hydrolysis and formation of dimethoxychloroborane

Author(s) -

M.V. Kilday,

Walter H. Johnson,

E.J. Prosen

Publication year - 1961

Publication title -

journal of research of the national bureau of standards section a physics and chemistry

Language(s) - English

Resource type - Journals

eISSN - 2376-5704

pISSN - 0022-4332

DOI - 10.6028/jres.065a.045

Subject(s) - mole , hydrolysis , chemistry , mole fraction , organic chemistry

The heat of hydrolysis of dimethoxychloroborane has been measured; for the reaction,(CH 3 O ) 2 BCl ( liq ) + 3 H 2 O ( liq ) = H 3 BO 3 ( c ) + 2 CH 3 OH ( liq ) + HCl ( g )Δ H ( 25 ° C ) = - 26.6 ± 0.8 kj / mole= - 6.4 ± 0.2 kcal / mole .From this, we have calculated the heat of formation of dimethoxychloroborane: for the liquid, Δ Hf ° (25 °C) = -782.1 ± 1.8 kj/mole (-186.9±0.4 kcal/mole), and for the gas, Δ Hf ° (25 °C) = -747.9 ±2.2 kj/mole (-178.8±0.5 kcal/mole).

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