Предмет: Химия, автор: lizka2310lizka

Закончить химические уравнения, расставить коэффициенты, НАПИСАТЬ НАЗВАНИЕ всех ВЕЩЕСТВ!!! A) Al + H.PO4'n Б) Ва + H.SO4 'n B) … + … 'n K:S + H2 Г) … + … 'n NaNO: + H2​

Ответы

Автор ответа: bogdanbessonov138
1

Відповідь:

A)

2

Al

+

3

H

3

PO

4

Al

2

(

PO

4

)

3

+

3

H

2

2Al+3H

3

PO

4

→Al

2

(PO

4

)

3

+3H

2

Реакція між алюмінієм (Al) і фосфорною кислотою (H3PO4) утворює фосфат алюмінію (Al2(PO4)3) і водень (H2).

B)

3

Ba

+

3

H

2

SO

4

3

BaSO

4

+

3

H

2

3Ba+3H

2

SO

4

→3BaSO

4

+3H

2

Реакція між барієм (Ba) і сірчаною кислотою (H2SO4) утворює сульфат барію (BaSO4) і водень (H2).

C)

2

K

2

S

+

2

H

2

2

KOH

+

H

2

S

2K

2

S+2H

2

→2KOH+H

2

S

Реакція між калій сульфідом (K2S) і воднем (H2) утворює гідроксид калію (KOH) і сульфід водню (H2S).

D)

3

NaNO

3

+

5

H

2

3

NaOH

+

2

NH

3

+

3

H

2

O

3NaNO

3

+5H

2

→3NaOH+2NH

3

+3H

2

O

Реакція між нітратом натрію (NaNO3) і воднем (H2) утворює гідроксид натрію (NaOH), аміак (NH3) і воду (H2O).

Пояснення:

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