Предмет: Химия, автор: 0404ari

Вещество, которое в водном растворе полностью диссоциирует нитрат калия или сульфат бария?

Ответы

Автор ответа: MENделеев
0
Нитрат калия полностью диссоциирует в водном растворе:
KNO3 -\ \textgreater \  K^{+} + NO _{3} ^{-}
Сульфат бария преимущественно остается в виде нерастворимой соли BaSO4.
Похожие вопросы
Предмет: Английский язык, автор: dimaberezin228
Translate the phrases into Russian language

Local news - weather reports - cartoon strip - beauty advice - TV guide - chat show newspaper -

Fill in the preposition

Alarm clock went … I got up and went to the bathroom.

The meal went … because my brother didn’t put it to the fridge.

She bought the milk and went … making pancakes.

The cat stole a sausage from the table and ran …

He is a very active person, he takes part … almost all competitions, his parents must be proud of him.




Fill in the correct word

Break, fancy, glossy, shocked, celebrity, come, porridge, surprised.

When I was recovering from an injury in a hospital I ate _________ for breakfast.

You know, I am not even _________, he is always forgetting his keys.

We need an engineer in case the equipment __________ down.

My father prefers reading newspapers and my mother prefers _______ magazines with celebrity gossip.

Do you really ______ watching this, this is awful!

That’s unbelievable that he didn’t passed his exams, I’m a bit _______!

Her friend is a very imaginative person, he always _____ up with new ideas.




Put the verbs in the Past Simple or Past Continuous tense

She ............................... (write) a letter when the lights went out, because there …… (be) a storm.

Paul ............................... (get dressed), …………. (have) breakfast and then ………. (go) to school.

He was walking in the street when he ……… (see) a fire.

Gary ........................... (ride) his bicycle while Alan was skateboarding.

Sorry, I …….. (forget) my home task, but I really ….. (do) it the whole evening.

What ………………………….. (you/do) at 6 o’clock yesterday?

He ……. (train) so hard for the last three months and eventually he ……. (brake) the record.



Translate the sentences to English

Я была очень взволнована, когда смотрела международные новости.

Вчера в 7 часов вечера я смотрел кулинарную программу на канале 4.

Я всегда пытаюсь помочь бездомным животным.

Прошел слух, что все участники этого клуба получат награды.

Это ужасные новости!

Предмет: Математика, автор: valentinaarhi