Оценка:
Опубликованно: 29.06.2004.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Everything About Organic Compounds', 1.
  • Эссе 'Everything About Organic Compounds', 2.
  • Эссе 'Everything About Organic Compounds', 3.
  • Эссе 'Everything About Organic Compounds', 4.
Фрагмент работы

8.5.3<Tab/>
v<Tab/>Fractional distillation of petroleum is performed to obtain products which are useful for use as solvents, polymer products, road-making materials, lubricants and pharmaceuticals. Products from fractional distillation of petroleum are petrol, kerosene and diesel. The separation of petroleum into its 'fractions' depends on differences in the boiling points of the mixture's various components. If the components have similar boiling points, the separation cannot be completed, resulting in the distillate being only slightly richer in the more vola…

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