Предмет: Химия, автор: vercut

СРОЧНО ПОМОГИТЕ ПОЖАЛУЙСТА!!!
Из перечисленных формул к алкинам относятся:
1) С10Н8
2)С10Н22
3)С51 Н102
4)С10 H18
5) С53 Н108
6) С18 Н38
7) С10 Н20
8) С47 Н92
9) С17 Н32

Ответы

Автор ответа: angelinkavoron

0

4) C10H18,
8) C47H92,
9) C17H32.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: artiomupide

2) Complete the sentences with an adjectives 1. It's very l......in here - I can't hear you! 2. The nightlife isn't very lively here, in fact it's quite b...... 3. This music is very s.........- it always makes me cry! 4. Their new song is a........- I don't like the music at all. 5. She's always very happy and C.......

5 лет назад

Предмет: Алгебра, автор: kseniakonovalova00

Решите уравнение:5x+15=18x-2, очень срочно!!

5 лет назад

Предмет: Английский язык, автор: VlodimerColodov

Очень срочно пожалуйста
1.Put the verbs in brackets into the correct present tense (Simple or Continuous).

Cuckoos (not build) __________________nests. They (use) _________the nests of other birds.

She usually (drink)_____________ coffee, but today she ____________________ (drink) tea.

I’m busy at the moment. I (redecorate)_______________________________ the room.

How ____you (get)___ to work as a rule? – I usually (go) ______by bus but tomorrow I (go)____________________ in Tom’s car.

You always (write) with your left hand? _____________________________________

This car (make)__________________ a very strange noise. You (think) it is alright? _______________________________________

2. Раскройскобки, употребив Present Perfect/ Present Perfect Continuous.

I _____________________ (do) my homework recently.

He _________________________ (learn) the poem all the morning.

_______ you ever __________ (be) to France?

She _________________________________ (not/ donate) money yet.

You look fantastic! ____ you _________ (buy) a new dress?

We _________________________________ (write) the test for 2 hours!

Tom _________________________________ (clean) the house since morning.

How long ____________ you ________________ (study) English?

She _____ never __________ (taste) Italian food.

They _________________________________ (read) a book since Monday.

3. Put the adjectives in brackets into the correct form.

1. My sister is ____________( funny) and __________ (creative) person in the world.

2. Who is your _________ (good) friend.

3. Sally is three years _______(young) than me and she is ___________(sensible) person I know.

4. John is ________(selfish) in our family. Besides he is as _________(stubborn) as a mule.

5. I think that… (little) he could do is to give her some money.

5 лет назад

Предмет: Математика, автор: vologdinaekater

В выражении КА+ЛИ=НА разные буквы обозначают разные цифры .Замени буквы обозначают разные цифры .Замени буквы цифрами так, чтобы получилось правильное равенство.

9 лет назад

Предмет: Математика, автор: рушик1986

нарисуй ломаную линию из 5 звеньев

9 лет назад