Предмет: Химия, автор: leozaur1808

С какими из перечисленных веществ будет реагировать оксид углерода (4):
Na2O, H2O, Na, KOH, H2SO4

Ответы

Автор ответа: leilaka1470
1

1) CO₂ + Na₂O → Na2CO3

2)CO₂ + 4Na → C + 2Na₂O

3)CO₂ + 2KOH → H₂O + K₂CO₃

Ответ: Na₂O, Na, KOH

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: маришка91

 3. The Americans may have a party on one occasion in several houses at a time. The party starts in one house where they have some light wine and snacks, and then move on to another house and still another, traveling from house to house, so 3 or 4 houses are involved in the party. Such a party is called progressive dinner.Пожалуйста нормальный перевод,без помощи переводчиков гугл или яндекс(и им подобным),заранее спасибо  
1 год назад
Предмет: Английский язык, автор: bailoyv
помогитееее
1  Rewrite these sentences in the passive. 
0Architects are digging up the ruins of
the old castle.The ruins of the old castle are
being dug up.


1Hilary and Tensing climbed Everest in
1953. Everest _______________________.


2They are going to sell the Polaris
diamond. The Polaris diamond ______________________.


3They offered her a job as a designer
at Versace. She _______________________.


4Someone must have taken the car during
the night. The car ___________________________.


5People used to speak Welsh in this
area. Welsh ____________________________________.


2  Put the verbs in brackets into the active or
passive.


0I threw the ball and the dog caught
(catch) it.


1I threw the ball and it _________________________(catch)
by the dog.


2These songs
_________________________(write) by John Lennon.


3They _________________________(build)
a new hotel beside the beach.


4Leonardo Da Vinci’s Mona Lisa
_________________________(paint) on canvas.


5The volcano last
_________________________(erupt) in 2005.


3 
Change the verbs in brackets into the passive (ordinary or perfect)
infinitive or gerund.

0 Don’t
drink alcohol at the party. You wouldn’t like to be disqualified
(disqualify) from driving.

1 Do
you think the director was offended by _________________________ (ask) to leave
the meeting?


2The painting is likely
_________________________ (sell) for €600,000.


3Legoland may _________________________
(visit) by 250,000 tourists next year.


4Renán liked _________________________
(call) Crum.


5There is nothing strange about
_________________________ (frighten) of dogs.
1 год назад
Предмет: Українська література, автор: stif11
"Облога Буші" - комозиція та сюжет.
1 год назад
Предмет: Математика, автор: ARSENIIIIIII
В автобусе ехали пассажиры. После того, как вышла половина всех пассажиров, а потом половина остальных, в автобусе осталось 4 пассажира. Сколько пассажиров было изначально в автобусе?
8 лет назад
Предмет: Биология, автор: BomjeMax
Последнее помогите пожалуйста!!!! РЕБЯТА
8 лет назад