В сосуде объемом 10 л исходные количества вещества оксида углерода (II) и кислорода равны по 4 моль. Через 4 с образовался оксид углерода (IV), количества веществ которого составило 0,8 моль. Определите среднюю скорость реакции по кислороду и количество вещества оставшихся в сосуде газов СО и О2.

1.her eyes were red.it was evident she cried.

2.patricia can't join us.she has broken her leg.

3.sorry for the mess.i have painted(have been painting) the house since morning.

4.which subject will you work at tonight?

5.she promised she would see me off the other day.

6.all the necessary arrangements should (will) be made as soon as possible.

7.ice hockey started in canada.

8.she has just taken her results and is getting ready to go on a holiday.

9.she was bathing the baby when we called her.

10.it is important that he would take (takes) care of his old father.

does he like to take pictures of his friends?

uniform

a) we "ll visit my grandparents this weekend and i'm really looking forward to it.b) i'm tired so i think i' go to bed.c) what time   will  the next train leave for luxor? d) i' let you know as soon as adam arrives.e) i'm sorry i can't come to the party because i 'll write my english essay tonight.f) i 'll never be rich but i hope to be happy.g) if you come out for a walk, you 'll feel much better.h) robert 'll go to music college when he finishes school.