Предмет: Химия, автор: sutulovakatya

1. MgO + HBr → MgBr2 + H2O
2.Fe → Fe2O3→ Fe2(SO4)3

Составит и решить уравнения реакций.

Ответы

Автор ответа: RockStarZ
0
1. MgO + 2HBr = MgBr2 + H20

2. 2Fe + 3H20 = Fe2O3 + 3H2
    Fe2O3 + 3H2SO4 = Fe2(SO4)3 + 3H20.
Вроде так.
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Ufa – the capital of Bashkortostan
Ufa was founded in 1574 as a fortress. Now it is a large administrative, industrial, cultural and scientific center of the Republic of Bashkortostan, and of the Ural region as a whole. The city occupies over 710 square kilometers, while its population exceeds 1 million people representing over 100 nationalities and ethnic groups.
Our beautiful Ufa is rich in history. According to the archaeologists, historians and folk legends, there were ancient towns on the territory of modern Ufa even in the 5th century.
Ufa is an important transportation centre. All kinds of transport routes, such as railway, air, river and motorway ones, connect the city with all other regions of Russia and countries of Europe and Asia. The city numbers over 1,000 streets, 22 bridges and 6 river ferries. Ufa airport has an international status.
Two multi-industry complexes build up the economic basis of Ufa: fuel-and-energy and machine-building. Almost 50 percent of Bashkortostan Republic’s industrial potential is located in Ufa. Ufa engages in trading cooperation with more than 80 foreign countries. Ufa's most important trade partners include China, India, Uzbekistan, Kazakhstan, France, South Korea, Turkey, Ukraine, USA etc.
Many urban facilities of the highest demand are constructed in Ufa: schools and hospitals, roads and bridges, sports facilities and recreation centers.
Ufa is one of the leading million-plus cities of the Russian Federation in terms of the high birth rate and low death rate. Healthcare services are represented by a municipal network of 61 institutions.
The city’s educational system embraces 28 institutions of higher education, both public and private, 18 vocational schools and 23 specialized secondary schools. There are 229 preschool educational institutions and 161 general education schools, as well as 11 ethnic Sunday schools embracing over one thousand pupils. There are 10 scientific research institutes in Ufa, as well as the Botanical Gardens and the Museum of Archeology and Ethnography which comprises a unique collection of verbal poetic and musical folk lore, exhibits in archeology, ethnography and anthropology. Ufa is justly proud of the Akhmet-Zaki Validi National Library which stores about 2 million volumes in various languages, 200 manuscripts of the 15th and 16th centuries, editions of Russian classical writers printed during their lifetime.
The capital of Bashkortostan also has 6 theatres, Bashkir State Philharmonic Society, Bashkir State Puppet Theatre, museums, culture centers and clubs, a circus, ballet and choreography studios, cinemas, a planetarium, two centralized library networks, children's music and arts schools.
One of the city’s principal sports facilities is the Ufa Arena Ice Palace, a newly-constructed multi-purpose ice arena, which hosts numerous international and domestic competitions. Residents of Ufa have about a thousand sports facilities at their disposal, including Akbuzat Horse Racing Track, Tennis Palace, 6 stadiums, 13 closed-door swimming pools, a closed-door horse riding school, a shooting center, 254 gyms, mountain ski routes, biathlon and ski jumping facilities.
Welcome to the hospitable land of Bashkortostan and its heart, its capital – Ufa City!

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