The enthalpy of standard formation of p-dimethoxybenzene

Abstract

The enthalpies of combustion and sublimation of p-dimethoxybenzene were measured by using a rotating bomb calorimeter and a sublimation calorimeter, resp. The standard formation enthalpies were calculated to be DH癴(C8H10O2, s, 298.15 K) = -296.72 ?0.96 kJ.mol-1 and DH癴(C8H10O2, g, 298.15 K) = -215.86 ?1.11 kJ.mol-1, resp. Uncertainties given are twice the overall mean standard deviation.

Key words: THERMODYNAMIC PROPERTIES, BENZENE P, METHOXY GROUP, ENTHALPY OF FORMATION, COMBUSTION HEAT, SUBLIMATION HEAT

CLC Number:

O642

Cite this article

YAN HAIKE;BIAN JINRU;GU JIANGOU;HU RIHENG. The enthalpy of standard formation of p-dimethoxybenzene[J]. Acta Chimica Sinica, 1987, 45(1): 52-54.

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