Предмет: Химия, автор: Vladimirovith

Как изменится массовая доля соли в растворе, если к 150 г 15%-го раствора соли добавить:
б) 32 г соли? ( а) 10%; б) 29,95% )

Vladimirovith: Помогите пожалуйста

Ответы

Автор ответа: irina0681236573
1
масса соли стала 54,5
масса раствора 182
54, 5 от 182 составляет 29,95
Vladimirovith: Спасибо Огромное
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Frankie is green and very tall. He has yellow eyes, black hair and a small nose. He also has enormous hands and feet. He isn't pretty. In fact, he's very ugly and people call him a monster. They are afraid of him and always run away when they see him. But Frankie isn't bad! He is an intelligent man and he loves reading. He has a lot of books in his little house.

He likes writing stories. He sells his stories to make money. He also likes using his computer and the Internet to write to people. They don't know that he is ugly and they enjoy his letters. They sometimes ask him for his photograph, but Frankie never sends it.

Frankie enjoys gardening. There are a lot of vegetables, fruit trees and roses in his big garden. He loves roses! He puts bread out in the garden for the birds so there are a lot of birds too. They are not afraid of him!

Frankie never eats meat. He doesn't like it. He eats vegetables, fruit and bread. Because he doesn't like it when people run away from him, he orders all his shopping by the Internet. The shop delivers his shopping to his house. In this way, people don't see him and he feels happier. And when it is raining he doesn't have to go out of the house. He doesn't like the rain and he is afraid of thunder and lightning.

9. Frankie has … .

A. black hair and big hands and feet

B. green eyes and a small nose

C. small hands and feet

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A. they don't know that he is ugly

B. they meet him in the supermarket

C. they like to eat meat too

11. Frankie is … .

A. a good person

B. an evil person

C. a beautiful person

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A. a big house without a garden

B. a small house with a big garden

C. a small garden

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A. reads

B. speaks

C. does

14. Frankie sends his photo to … .

A. his Internet friends

B. nobody

C. the shop

15. Birds … .

A. don't come into the garden

B. come into the garden

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16. Frankie likes … .

A. gardening

B. eating meat

C. shopping in malls

17. Frankie goes to … .

A. the supermarket

B. the theatre

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18. Frankie is happy when … .

A. people don't see him

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C. he is in the supermarket


USE OF ENGLISH

БАЛЛОВ

19. Заполните пропуск, выбрав правильный вариант

It often_______________ in winter in our place.

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20. Найдите ошибку в степенях сравнения прилагательных и обведите неправильный вариант.

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a/ When does your sister go to school?

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Во всех словах не хватает одной буквы. Какая это буква?

- ellow, - oung, - ard, - es.

a/ y b/ o c/ w d/ u

Выберите правильную пару глаголов для этих предложений.

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В данной цепочке слов 4 слова прилагательные, найдите слово другой части речи.

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SOCIO-CULTURALCOMPETENCE

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