K2O+H2O=2KOH
BaO+H2O=Ba(OH)2
2P2O5+6H20=4H3PO4
SO2+H2O=H2SO3
Ca+2H2O=Ca(OH)2+H2
2K+2H2O=2KOH+H2
1)6CO2+6H2O=C6H12O6+6O2
CH2OH-(CHOH)4-COH+H2=CH2OH-(CHOH)4-CH2OH
2)CH2OH(CHOH)4-COH+Ag2O=CH2OH-(CHOH)4-COOH+2Ag
CH2OH-(CHOH)4-COOH+NaOH=CH2OH-(CHOH)4-COONa+H2O
3)C6H12O6=2C2H5OH+2CO2
C2H5OH=C2H4+H2O
C6H12O6=H3C-CH-COOH+2CO2+2H2
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CH3
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3,2 г х л
2S + 3O2 = 2SO3
64 г 44,8 л
3,2:64=х:44,8
х=V(SO3) = 2,24 л
Ответ: 2,24 л
1, HNO2
H +1
N +3
O -2
2. BaCO3
Ba +2
C +4
O -2
3. LiCl
Li +1
Cl -1
4. NaHCO3
Na +1
H +1
C +4
O -2
1.
А4
Б1
В3
Г2
2.
А-CaO
Б-NaOH
В-HCl
Г-MgSO4
3.
Карбонат кальция
оксид азота (lll)