Предмет: Химия, автор: MrViking

во сколько раз Ar(Si) меньше Ar(Fe)

Ответы

Автор ответа: sgfhgjkl

железо- 55.847; кремний -28.0855
Ответ в 1.989 раза

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: Kiril4ik2

Помогите срочно нужна помощь

7 лет назад

Предмет: Английский язык, автор: angelinakarava79

Задание номер 1 пожалуйста быстрее

7 лет назад

Предмет: Английский язык, автор: lasikokov1999

Упражнение 1. Вставьте артикль, где необходимо.
At... beginning of ... 19th century ... little boy was born in ... family of John Dickens, ... clerk at ... office in ... Portsmouth, and was named Charles. He had ... sister who was older than himself, arid there were several other children in ... family. When Charles was seven, he was sent to ... school. He was not... strong child. He did not like to play ... cricket or .. football and spent all his free time reading. In 1821 ... family went to ... London and little Charles left behind him ... happiest years of his childhood. His father was in ... money difficulties, and ... family became poorer and poorer. ... boy had to give up his studios. Mr. Dickens was put into ... debtors' prison. Little Charles learned to know all ., horrors and cruelty of ... large capitalist city. He had to go to work at... blacking factory. He worked there from ... morning till ... night. When his father came out of prison, Charles was sent to ... school for some time. Soon he got work as ... clerk. Then he learned ... stenography and became ... reporter; in Parliament. In 1836 at... age of 24 Charles Dick-1 en? published his first book. It was ... collection of ... stories. ... title of ... book was "Sketches by Boz." There were followed by "Pickwick Papers" and "Oliver Twist" and many other famous novels. Charles Dickens is one of ... greatest writers of ... 19th. century. His novels are now translated into most languages of ... world.

7 лет назад

Предмет: География, автор: daniashilenkov

К бассейну какого океана относятся реки западной сибири

10 лет назад

Предмет: Химия, автор: yaklerval

1.Составьте уравнения реакции и укажите их тип. Расставьте коэффициенты там, где это необходимо.

1. оксид магния + вода = гидроксид магния

2. сероводородная кислота + марганец = хлорид марганца + водород

3. гидроксид калия +серная кислота = сульфат калия + вода

10 лет назад