Оценка:
Опубликованно: 01.08.2004.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Ethanol', 1.
  • Эссе 'Ethanol', 2.
  • Эссе 'Ethanol', 3.
  • Эссе 'Ethanol', 4.
  • Эссе 'Ethanol', 5.
Фрагмент работы

Ethanol
An Overview of Ethanol
Ethanol, (CH CH OH), is a clear, colourless liquid with a characteristic odour. Ethanol is an alcohol. In a dilute aqueous solution, it has a sweet flavour, but in more concentrated solutions it has a burning taste. Alcohol originally referred to a fine powder, but medieval chemists later applied the term to the refined products of distillation, and this led to its current usage.
Ethanol melts at -114°C, boils at 78.5°C, and has a density of 0.789 g/mL at 20°C. Because of its low freezing point it is useful for the flu…

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