Предмет: Химия, автор: 63083004

Допишіть і урівняйте рівняння хімічних реакцій, вказавши до якого
типу вони належать:


Fe + Br2 = ...

Cu(NO3)2 + KOH = ...

Fe(OH)3 = ...

Na + I2 = ...

CaCl2 + AgNO3 = ...

Zn + Pb(CH3COO)2 = ... .

Ответы

Автор ответа: dyexfnf
4

Ответ:

Объяснение:

2Fe + 3Br2 → 2FeBr3 синтез

Cu(NO3)2 + 2KOH → Cu(OH)2 + 2KNO3 реакція обміну

2Fe(OH)3 → Fe2O3 + 3H2O реакція розкладу

2Na + I2 → 2NaI синтез

2AgNO3 + CaCl2 → 2AgCl + Ca(NO3)2 рекція обміну

2Zn + Pb(CH3COO)2 → Pb + 2Zn(CH3COO) реакція розкладу (заміщення)

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: nlebezhenko
Пожалуйста срочно!!!
Task 2. Read the text. Choose the correct answers (А, В, C, or D) to fill in the gaps (1-12).
Write your answers in the box below the text.
From the imagination of the Theodor Geis
On March 2,1904, a boy named Theodor Geisel was born. Theodor's father 1)….... a zoo, and the young boy often went with his father to work. The strange and unusual animals 2)…... part of Theodor's imagination.
Theodor grew up and 3)….. from college in 1925. In 1937, Theodor wrote and illustrated his first 4)...... book. He didn't like the sound of his name. Theodor
thought an author who wrote for children should sound more "scientific", so he took his middle name and 5) ….. the title Dr. Seuss soon became loved 6)…... children around the world.
Dr. Seuss 7).... a new company to sell his books called Beginner Books. He wrotemfunny stories like Marvin K. Mooney Will You Please Go Now!, and stories that 8)…... lessons (The Lorax).
Dr. Seuss also worked on movies that 9)…... true stories. Two of these films won
Academy Awards. His cartoon Gerald McBoing-Boing 10)….... an Oscar in 1951.
11)...... in 1984, Dr. Seuss won a special Pulitzer 12). …... for his lifetime of work.
Theodor Seuss Geisel died on September 25, 1991.

1) A ran В worked C planned D trained
2) A belonged В became C got D stayed
3) A graduated В finished C left D went
4) A childrens' В childrens C children D children's
5) Agave В threw C added D called
6) A with В for C - D by
7) A appeared В created C found D did
8) A taught В learned C educated D showed
9) A spoke В talked C told D said
10) A achieved В won C made D was
11) A After all В At the end C Lately D Finally
12) A price В award C honour D victory

Task 3. Choose the right answer.
1) Mother was upset because Tom _____.
A hasn’t come B hadn’t come C won’t come
2) Henry isn’t _____ his elder brother Ted.
A so strong as B strong as C stronger
3) John _____ the cleaning by 7 pm yesterday.
A had done B did C was doing
4) John’s face _____ with scratches.
A has covered B were covered C was covered
5) This program _____ again tomorrow.
A will be broadcast B will broadcast C will be broadcasted
6) Tim gave all his money to me because he _____ me.
A would trust B trusted C trusts
7) Have you seen Mary’s boyfriend _____?
A yet B still C just
8) It was _____ place I have ever seen.
A more beautiful B the most beautiful C the beautifuliest
9) The police caught Jack when he _____ a shop.
A robbed B had robbed C was robbing
10) Yesterday we _____ at school till 6 pm.
A had to stay B must stay D need to stay
1 год назад
Предмет: Геометрия, автор: v5d95w5rdr
2 бали). Два кола мають зовнішній дотик. Знайдіть радіу-
си цих кіл, якщо відстань між їхніми центрами дорівнює
15 см і радіус одного з кіл удвічі більший за радіус іншого.
1 год назад
Предмет: Русский язык, автор: Usdusus72382
Помогите пожалуйста

Вставьте пропущенные буквы, расставьте знаки препинания, разберите предложения, составьте схемы. (Синтаксический разбор)

1. В ра…кидистом лесу во время бури деревья стонут тр..щат л…маются.
2. Это была не гроза а стр…мительный ур…ган!
3. Ученые об…гащают науку и технику новыми и (с,сс)лед…ваниями открытиями из…бретениями.
4. В магазине пр…давали разные м…лочные продукты к…фир см…тану м…локо.
1 год назад
Предмет: Английский язык, автор: burdanov1974
I) III. Write these sentences in the Passive Voice. 1. A new supermarket … …. next Saturday. (to open) 2. In this hotel rooms … … every day. (to clean) 3. Last Sunday my bike … …. by Dad. (to repair)
7 лет назад
Предмет: Английский язык, автор: 893160az
пж помогите
Read these verb forms and identify the tense. You should write Past Simple' or 'Past Continuous' for these verb
forms.
Example 0. Were living.
Answer 0. Past Continuous;
1. was running -
2. was cooking -
3. was cycling -​
7 лет назад