, , . . , . Q, :
.
- .
3. .
7
1. ?
(Mg, Na, Fe), (H2O, CO2, NaCl).
2. ( ).
, , . . , . Q, :
.
- , , ( = const).
( ), :
Q=A.
3. .
2 + 2 = 2, - :
:
():
:
8
1. ( )?
. , . , .
|
|
, . : aA+bB=cC+dD
, , , D - ; , b, , d - .
2. ?
, , . . , . Q, :
.
(V = const) ( ) :
3. .
Al2O3 + 6HCl = 2AlCl3 + 3H2O
CuO + H2SO4 = CuSO4 + H2O
2NaOH + H2SO4 =NaSO4 + 2H2O
2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
9