Записать ур-ие реакций в малекулярном, полном и кратком ионном виде. а) - №12522814

Записать ур-ие реакций в малекулярном, полном и кратком ионном виде.
а) Li2O+H2O=
b)KOH+H2CO3=
c)H3PO4+CaOH2=
- Предмет:
  Химия
- Автор:
  zairesbmw
- 5 лет назад

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Choose the correct answer.
1.Jack (is meeting, meets, will have met) Lisa every day when he's on his way to the bank.

2.You( have been working, are working, worked) in the garden for the last 3 hours. Aren't you tired?

3.The train to Brighton (leaves, is leaving, has left) in 20 minutes from platform 6.

4. How long(do you live, have you been living, are you living) in this town?

5. I've ( yet, just, now) made some tea. Would you like a cup?
6. Lucy (has never been, had never been, never was) to an Indian restaurant before ,and she really enjoyed it.

7. Tina (was making, made, had been making) a cake when the postman came.

8.He (had been living, had lived, were living) abroad for several years before he moved to Russia.

9.(Were you watching, did you watch, have you watched) the football match yesterday?
No, I(was, had been, have been) at the meeting. Who ( won, had won, has won)?

10. We (took, were taking, had taken) a lot of pictures during our trip to the Caucasus last year.

11.I (have never tried, was never trying, didn't try) scuba diving but I(think, am thinking, will think ) of trying it this summer.

12.Who (were you talking, did you talk, have you been talking) to on the phone when I came in?

13. Mrs. Duncan (is watering, has been watering, has watered ,had been watering) flowers for two hours since afternoon.
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Помогите пожалуйста решить в Паскале.
Заполнить произвольный массив размером N x N (N<10) по следующему правилу:
12345
54321
12345
54321
12345
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помогите пожалуйста, будьте любезны расписать 2cosx=√3
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