Предмет: Химия, автор: afwmacyka46786

Помогите пожалуйста! Даю 35 баллов.
Нужно определить степень окисления.
​

Приложения:

Ответы

Автор ответа: boris0001
0

Ответ:

SiC=   Si +4 , C -4

AlBr3=(Al +3, Br -1)

Feo= Fe+3 O-2

Cl2O7 = Cl+^7 O-2 В данном случае действует правило крест накрест, поэтому у Cl+7, a y O -2 и запомни, что у кислорода степень окисления всегда -2

MgI2= Mg+2 I-1

K+H+

дальше я устал( по таблице растворимости чекай)

Объяснение:

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Информатика, автор: gloriaostapec
Какую команду используют в алгоритмах, когда количество повторений неизвестно, а определяется логическим выражением?
1.while
2.if
3.else
4.for i in​
5 лет назад
Предмет: Информатика, автор: arturkuznecov2
Циклические структуры на языке Python. Цикл WHILE. Срочно 100 балов
4. Решить задачу. Вклад в банке составляет х гривен. Ежегодно он
увеличивается на р процентов, после чего дробная часть копеек
отбрасывается. Определите, через сколько лет вклад составит не менее
у гривен. Таким образом, программа получает на вход три натуральных
числа х, р и у, и должна вывести одно целое число.
5. Напишите программу, выводящую ряд чисел Фибоначчи с первого по
десятый член ряда.
5 лет назад
Предмет: Английский язык, автор: damirtusupov09
Speaking Task. Choose one of the cards and make up an individual talk. Use subject related vocabulary while talking on a given topic. You have 1 minute to prepare and 1-2 minutes to talk Card 1. Talk about the topic Our neighbourhood'. The following questions will help you to organize your talk: 1) Do you like living in your neighbourhood? 2) What are the advantages and disadvantages of your neighbourhood? 3) What would you change about your neighbourhood? 4) What types of services are popular near to you? 5) How far are you from the city center? Card 2. Talk about the topic 'Our neighbourhood'. The following questions will help you to organize your talk: 1) Do you like the neighbourhood? 2) Where is the best place to eat in your city/village/country? 3) What is the best attraction in your city/village? 4) What are popular natural places in your neighbourhood? 5) Where is the best place to shop in your city village? Card 3. Talk about the topic Our neighbourhood'. The following questions will help you to organize your talk: 1) Are there many shops in your neighbourhood? 2) How far do you live to the city center /village center? 3) Are there any parks or playgrounds near where you live? 4) How near is the library/cultural center to where you live? 5) What sport clubs are there in your neighbourhood? Card 4. Talk about the topic .Our neighbourhood. The following questions will help you to organize your talk: 1) Do you like your neighbourhood? What do you like about it? 2) Do you have friends, neighbours? How did you meet? 3) Do you have the same interests with your neighbours? 4) Do you help your neighbours? Do they help you? 5) What holidays do you celebrate with your neighbours? Card 5. Talk about the topic Transport'. The following questions will help you to organize your talk: 1) Do you have a bicycle roller skates segway? 2) When did you get it? 3) Is it difficult to ride it? Why? 4) How often do vou ride it? 5) Why do you like it? Card 6. Talk about the topic Transport. The following questions will belp you to organize your talk: 1) How do you get to school? 2) How long does it take 31 Do you often use public transportation # How much is the bus fare? Sy Do you think it is safe to trud bs bus?​
5 лет назад
Предмет: Математика, автор: ThTvaylet657
поиогите по математике 5 класс номер 781
8 лет назад
Предмет: История, автор: arina352
Сравните политический строй России с политическим строем стран Запада.
8 лет назад