Предмет: Химия, автор: vasilina777

пожалуйста составьте молекулярные и ионные уравнения реакций между парами веществ натрий-хлоридом и серной кислотой

Ответы

Автор ответа: svetka1574

2NaCl + H2SO4 = Na2SO4 + 2HCl

2Na(+) + 2Cl(-) + 2H(+) + SO4(-2) = 2Na(+) +SO4(-2) + 2H(+) +2CL(-)

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: elena170596kz

помогите выполнить задание

6 лет назад

Предмет: Русский язык, автор: anastasiazeleznova40

Фонетический разбор слова стричь

6 лет назад

Предмет: Английский язык, автор: sam2009samira

MY FAVOURITE SINGER
I like 1)...to music very much. And I prefer music with
good2).... My favorite 3)... is Justin Timberlake. To my 4)... he is not
only a very talented musician but he is a gifted actor. His songs are full
of positive feelings and they usually make my 5)... better,
Justin Timberlake was born on January 31, 1982, in Memphis,
Tennessee, United States,
From the early years Justin Timberlake was involved in music and6)... .
At the age of eleven Justin was invited in the TV 7)... «the Mickey Mouse Club.
There he 8)... friends with other future participants of the group N'Sync. They were JC,
Christina Aguilera and Britney Spears who also took part 9)... the show.
In 1995, Justin Timberlake became a member of the Group N'Sync, which 10)...
its creative path in Germany. In 1998, the band recorded their 11)... album under the
same name «N'Sync, Already in October this year the album «N'Sync) won second
place in the United States hit12)... . The album was sold in more 13)... 10 million
copies.
The group recorded many14)... . And they became very popular.
But Justin Timberlake's solo 15)... began in 2002. In 2003 he was the main 16)... at the
MTV Europe Awards.
But Justin did not only sing but he also started his carrier in 17)... Justin began
his career in films with smalli8)....
In addition Justin Timberlake is involved in other 19)... as well. He set up his
clothing line and 20)... several restaurants in the USA.
1) listening b)playing
c)enjoying
2) a)instrument Omelody
c c)poem
3) a dancer
b)showman singer
4) a)mind
blopinion
surprise
5) a)spirit
mood
c)soul
6) a)reading
b)fighting @dancing
7) a)show
b)film
c)performance
8) adid
b)made
c)get
9) a)in
bon
c)under
10) a)finished
b)started
c)played
11)
a)last
b)previous c)debut
12) a)parade b) list
c)book
13) a)then b)than
c)when
14) a)books b)plays
c)songs
15) a)career b)job
c)work
10) a)loser b)winner
c)winter
17) a)sports b)drawing c)acting
18)
a)roles
b)rolls
c)dreams
19) acrime
b)business c)affair
20)
a)closed b)robbed c)opened

6 лет назад

Предмет: Математика, автор: ирина027394

Составь выражения и найди их значения Найти 60%площади прямоугольника со сторонами 16 см и 50 см Во сколько раз 5/8 от 96 больше чем 5/13 от 782)одна сторона треугольника равна 8 (целых ) 1/5 см вторая на 1 ( целую) 4/5 см меньше первой а сумма этих сторон на 3( целых) 4/5 см больше третьей стороны чему равен периметр треугольника 3) напиши формулы описывающие движение объектов в первых двух задачах Заранее спасибо

9 лет назад

Предмет: Алгебра, автор: 11111511111

Представьте трехчлен в виде произведения двух двухчленов, заменив предварительно его средний член суммой или разностью одночленов:

$y^{2} + 3y - 4$

9 лет назад