При обработке 10 г сплава меди с алюминием соляной кислотой выделилось 6.72 л водорода (ну). Определите состав сплава в процентах по массе.

НАПИСАТЬ СОЧИНЕНИЕ НА ТЕМУ мой домашний питомец ПОМОГИТЕ ПЛИЗ !!!

Составь как можно больше слов, используя буквы слова

МЕТАЛЛУРГИЧЕСКИЙ

(металл, мел, ирга, сера, рулет, ел, мега, тема, галлет(оО?), лучи...)

Вспомни как можно больше слов, составленных по схеме _О_О_О

(Молоко..)

 Решите графически систему уровненний .Выполнте проверку,подставив найденные решения в уровнения системы

{y-1=x,

{y=3-x

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People go on vacation because they get tired work and their daly routines and they need to take some time off. Most often people go to the seaside to spend some time in the san and splash about in typical of the sea. it is especially Russia because we are a northern nation and staing by he sea is a very unusual experience for us which we never want to miss. While at the sea.People enjoy want go to partes go on exurcies relax in their hotel rooms lie in the sunetc. That"s  one way to shend holidays.Other ways are : going on shopping tours ecotourism extreme tourism and so on. In general the way a persan spends their holidays depends on their interests and preforences. For example some people spend all their holidays surfingthings interested in like shopping exursions sightseeng. Or if a person likes nature and outdoors they spend their holidays camping.