Предмет: Химия, автор: Аноним

Маса трьох атомів Оксигену більша, ніж маса 40 атомів Гідрогену.

Ответы

Автор ответа: danastarostenko5

1

да три атома Оксигена 3×16=48 а 40 атомов Гидрогена 40×1=40

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: larisa130978

какой корень в словах гибкий устный поздний рыбка зимовье сердце пятно резкий полезный

1 год назад

Предмет: Русский язык, автор: Марька76

Как в схеме предложения обозначается одиночное деепричастие?

1 год назад

Предмет: Английский язык, автор: ksu128

2. Впишите слова “some” или “any”:
1) Is there ... milk in the fridge? – Yes, there is ... .
2) Have you cleaned your room? I see ... rubbish on the floor.
3) I would like ... sweets. – Sorry, there isn’t .... .
4) I see ... people near your house.
5) There aren’t … apples in the vase.

1 год назад

Предмет: Математика, автор: P4ZZo

Найдите сумму корней уравнения.
lx+4l+lx-2l+lx-3l=7

7 лет назад

Предмет: Английский язык, автор: Аноним

Раскройте скобки, употребляя глаголы в Present Simple, Past Simple, Future Simple, Past Continuous Present Perfect или Past Perfect.

It was eight o’clock in the morning and time for me to go to work. I (to look) out of the window . It (to rain) hard. « You (to get) wet through if you (to go) out now», said my mother. « No, I…», I answered, « I (to take) an umbrella.» We (to have) five umbrellas in the house, but when I ( to want) to take one, I (to find) that there (to be) not one that I could use: they all(to be) torn or broken. So I (to take) them all and (to carry) them to the umbrella maker, saying that I would call for the umbrellas on my way home in the evening. When I (to go) to have lunch in the afternoon, it still (to rain) very hard. I (to go) to the nearest cafe, and (to sit) down at a table. A few minutes later a young woman (to come) in and (to sit) down at the same table with me. When I(to finish) my lunch and (to be) ready to leave, I absentmindedly (to take) her umbrella and (to start) for the exit. She (to stop) me saying that I (to take) her umbrella. I (to return) the umbrella with apologies. In the evening I (to go) to the umbrella maker, (to take) my five umbrellas and (to get) on the tram to go home. It so happened that the woman I (to meet) at the cafe (to ride) in the same tram. When she (to see) me with my five umbrellas, she (to say), «You (to have) a successful day today, (to have not) you?»

7 лет назад