Abstract
The complex heat of BF3 with methanol was measured by utilizing the principle of the Bunsen ice calorimeter. The complex heat of BF3–methanol was found to be 49.2 and 58.1 kJ/mol when the molar ratio of BF3 to methanol was 1:2 and 1:1, respectively. In addition, the complex heat of BF3–anisole was also measured to test the apparatus error. The BF3–anisole result showed a calorimeter value of 53.1 kJ/mol with a system error of 2.3% as compared with the value reported in the literature. The mechanism of the reaction of BF3 and methanol was interpreted based on our obtained results. This apparatus is useful and suitable for measuring the heat of other liquid–gas and liquid–liquid reactions.
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