Какой объем водорода выделится в результате дегидрирования 7,8 г бутана?

Напишіть розповідь Діти гуляли в лісі і дуже насмітили. щоб сказали звірі і птахи як би вміли говорити.....

Для учащихся было куплено 70 билетов в кукольный театр. В партер было куплено билетов в 1,5 раза больше, чем на балкон и бельэтаж вместе. Число билетов на балкон составило 0,4 от числа билетов на бельэтаж. Сколько билетов каждого вида было куплено?

2. Розкриваючи дужки, вжити дієслово у правильній формі.

1. Ron is in London at the moment. He …... (stay) at the Park Hotel. He …... (always / stay) there when he`s in London.

2. Can we stop walking soon? I …... (start) to feel tired.

3. Can you drive? I …... (learn) My father …... (teach) me.

4. Normally I …... (finish) work at 5.00, but this week I …... (work) until 6.00 to earn a bit more money.

5. My parents …... (live) in Bristol. They were born there and have never lived anywhere else. Where …... (your parents / live)?

6. Sonia …... (look) for a place to live. She …... (stay) with her sister until she finds somewhere.

7. What …... (your father do)? He`s an architect but he …... (not / work) at the moment.

8. (at a party) Usually I …... (enjoy) parties but I …... (not / enjoy) this one very much.

9. The train is never late. It …... (always leaves) on time.

4. Розкриваючи дужки вжити дієслово у правильній формі:

1. A: Let`s go to the beach.

B: No, it`s too cold. If it …... warmer, I wouldn`t mind going to the beach. (be)

2. A: Did you go to the beach yesterday?

B: No, it was too cold. If it …... warmer, we might have gone. (be)

3. If you …... enough money to go anywhere in the world, where would you go? (have)

4. I`m glad we had a map. I`m sure we would have got lost if we …... one (not / have)

5. The accident was your fault. If you …... more carefully, it wouldn`t have happened. (drive)

6. A: Why do you read newspapers?

B: Well, if I newspapers, I wouldn`t know what was happening in the world.(not / read)

5. Оберіть, та підкресліть відповідне до змісту модальне дієслово:

1. I don`t need to / shouldn`t glasses because my eyesight is still quite good.

2. We weren`t allowed to / wouldn`t talk to our partner because it was an examination.

3. We needn`t have / couldn`t have ordered so much food as nobody was hungry.

4. She didn`t need / needn`t have to take any money because her friend was going to pay.

5. When I first came to Madrid I could / couldn`t speak only a few words of Spanish.

6. Did you have to / Must you have your hair cut before the interview last week?