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Кокое количество вешества сульфида железа (II) FeS может быть получена, если в реакцию с серой вступило 7 г железа.
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Предмет:
Химия -
Автор:
valentinor96m - 6 лет назад
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Ответы 2
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Спасибо чувааак!
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Автор:
malachi576 - 6 лет назад
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0
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7г x моль Fe + S= FeS ; х моль=7г*1 моль/56г=0.125 моль.56г 1 моль Ответ: 0.125 моль.
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Автор:
kaitlinbuchanan - 6 лет назад
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0
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СРОЧНО!!! ПЕРЕСКАЗ БЛИЗКО К ТЕКСТУ!!!!!
Great Britain is an island on the outer edge of the European continent, and its geographical situation has produced a certain insular spirit among its inhabitants, who tend, a little more perhaps than other people, to regard their own community as the centre of the world. The insularity produces a certain particularism among the numerous groups of whom the whole community is composed. The British look on foreigners in general with contempt and think that nothing is as well done elsewhere as in their own country. The British people have also been known as superior, snoblish, aloof, hypocritical and unsociable.
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Snobbery is not so common in England today as it was at the beginning of the 19th century. It still exists, and advertisers know how to use it in order to sell their goods. The advertisers are very clever in their use of snobbery. Motorcar manufactures, for example, advertise the colour of their cars as "Embassy Black" or "Balmoral Stone". Embassy black is plain, ordinary black, but the name suggests diplomats and all the social importance that surrounds them, and this is what the snobs need.
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