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составить уравнение реакции в молекулярном полном и сокрашенном ионном виде между указанными парами веществ 1)Fe(OH)3+H2SO4 2)MgS+HCl 3)ZnCl2+Na2SiO3 4) Li2O3+HNO3 5) Pd(NO3)2+K2S
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Предмет:
Химия -
Автор:
elwood4k3b - 6 лет назад
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Ответы 1
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Решение во вложении. в 4 номере опечатка,поэтому не сделала.
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Автор:
martamteo - 6 лет назад
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0
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Кто хорошо владеет английским языком, переведите текст без переводчика.
Transportation of various fishing fleet cargo, cargo-handling operations and the problems of preserving fish products for, a long time with their palatability unchanged are given much consideration by the design and research organizations. The most diverse cooling equipment, cargo handling and transportation machinery containers for storage and transportation of fish products, specialized vehicles, railway cars for shipment of live fish, chilled and frozen fish products-all this equipment is available nowadays in our country.
In recent years the interest is considerably aroused in the whole world in fish farming and creation of special aqua farms. Much attention is given to intensive development of fish-breeding in inland water bodies through expanding the areas and sharply increasing the productivity of pond fish-breeding, to fish farming in shallow zones of lakes and water reservoirs, to commercial breeding of fish in store-ponds with the use of warm waters of electric power stations, to full-system pond farms using thermal waters as well as to development of fishery in lakes, rivers and water reservoirs. The fish-farming on inland water basins, provided the problem of its development is successfully solved, will give an appreciable increase in fish rood-stuffs During the recent years the production of commercial pond fish in the country has grown more than twice. Work is under way with the view of transplantation and acclimatization of valuable fish species in rivers, lakes, water reservoirs and seas of our country. This work will be expanded in the future in every possible way.
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