Предмет: Химия, автор: lord04078

помогите получить чистое олово оксид олова 4 +al и co

Ответы

Автор ответа: tucson7355220

0

SnO2+C=Sn+CO2
Чистое олово

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Қазақ тiлi, автор: aknurkurmanbek977

ның Алматыда оқығысы келеді.
6. Адам шаңырағын қайда тігеді, жер кіндігі – сол жер.
Берілген салалас құрмалас сөйлемнің түрі:
а) ыңғайлас салалас; в) қарсылықты салалас;
ә) себеп-салдар салалас; г) кезектес салалас.
б) талғаулы салалас;

7 лет назад

Предмет: Английский язык, автор: jonafzankoo

Complete the passage with the words in the box.
construction / devise / dilemma / eyesore / feat / iconic / landmarks / opponents / priority

Known around the world as the symbol of Paris, France, the Eiffel Tower is one of the world's most (1)______ was built in the late 1800s, it was truly an amazing (2) _____engineering and design. The tower was designed by two French engineers working under Gustave Eiffel. Their assignment was to (3) _______plan for a centerpiece structure for the 1889 Exposition Universelle, a World's Fair which would be hosted in Paris. When Eiffel presented the final design to the Exposition planners, he found he had a (4)________. Parisian architects, artists, and others concerned with the city's image called the tower an (5)______. would 'crush' the beauty of Paris's traditional (7)_____ Notre Dame Cathedral, and the Arc de Triomphe. Eiffel fought back assuring the group that keeping the city's beautiful image was also a (8)_____. for him. His response worked. (9)_____. in March of 1889. The design of the tower amazed the public at the 1889 Exposition, and continues to delight visitors to Paris from around the world. structures. When the tower of A group of These (6) _______ felt that the tower such as of the tower was completed

7 лет назад

Предмет: Информатика, автор: gasymovaravana0

По схемам составь прредложения на тему наши школьные дела
ДАМ 40 БАЛЛОВ

7 лет назад

Предмет: Алгебра, автор: Diana147

Номер 20 пожалуйста помогите решить

10 лет назад

Предмет: История, автор: Gefoks

Задание 3. По какому принципу образованы логические ряды?
А) К. Симонов, А. Твардовский, А. Фадеев, Ю, Бондарев.
Б) «Багратион», «Уран», «Цитадель», «Тайфун»

10 лет назад