с 5 вариантом!!! Очень

Объяснение:

2.

1.are learning

2.are not swimming

3.am not standing,am sitting

4.are not watching,are reading

5.are doing,are not doing

6.am not studying,am studying

7.am reading

8.am not reading

9.are working

10.am meeting

3.

1.is having

2.is writing

3.is playing,are listening

4.are speaking

5.am studying

6.is not crying,is sleeping

7.is not raining

8.is examinating

9.is washing

10.are taking

по уравнению менделеева-клапейрона:

p₁*v₁/t₁=p₂*v₂/t₂

все. дальше выразить t₂.

q=cm(t2-t1)+лm=m(c(t2-t1)+л)=

=0,05кг(460 дж/кг*град*())+2.7*10(5)дж/кг=53500дж=53.5кдж