Определи число атомов всех химических элементов содержащихся в 20 молекулах вещества, формула которого HClO4 Ответ: число атомов равно _____ - №26473528

Определи число атомов всех химических элементов содержащихся в 20 молекулах вещества, формула которого HClO4
Ответ: число атомов равно _____
- Предмет:
  Химия
- Автор:
  mouse15
- 5 лет назад

Ответы 1

20HClO4N(H) = 20N(Cl) = 20N(O) = 80всего 120 атомов
- Автор:
  pebblesvqyk
- 5 лет назад
- 0
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King George III ruled Great Britain from 1760 up to 1820. He was a popular king and a devoted father of fifteen children. Mainly the king and his family lived at Windsor, not far from London. Then the king bought Buckingham palace and made this house his London residence.

King George III was also called "Farmer George" because he was interested in the Agricultural revolution in Britain. He also took an interest in science. In the years of his reign a stream engine was invented by James Watt. Captain Cook made several voyages of discovery.

But George III became famous a king who lost British colonies in America. This event made him so unhappy that his health became poor. People decided that he was mad. King George III was locked at Winsor castle and he was kept there till he died. His son George began to rule the country as Regent in 1811.

1. What is King George III famous for?

2. What kind of man was the king?

3. What event made his health poor?

4. Write 3-5 adjectives to characterize King George III.
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