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2 Mg + CO2 = 2 MgO + C
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
NO2 = N2O4 =>
2 NO2 = N2O4
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Fe + H3PO4 = Fe3(PO4) + H2 =>
6 Fe + 2 H3PO4 = 2 Fe3(PO4) + 3 H2
CH3COOH + NaOH = H2O + NaCH3COO =>
CH3COOH + NaOH = H2O + NaCH3COO
AgNo3 + K2So3 = Ag2So3 + KNo3 =>
2 AgNo3 + K2So3 = Ag2So3 + 2 KNo3
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
KI + F = KF + I =>
KI + F = KF + I
NaBr + Pb(NO3)2 = NaNO3 + PbBr2 =>
2 NaBr + Pb(NO3)2 = 2 NaNO3 + PbBr2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Ag2O + H2 = Ag + H2O =>
Ag2O + H2 = 2 Ag + H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Fe + NaOH + H2O = NaFeO2 + H2 =>
2 Fe + 2 NaOH + 2 H2O = 2 NaFeO2 + 3 H2
(NH4)2Co3 = NH3 + H20 + Co2 =>
10(NH4)2Co3 = 20 NH3 + H20 + 15 Co2
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Na3PO4(ac) + BaCl2(ac) = Ba3(PO4)2(s) + NaCl(ac) =>
2 Na3PO4(ac) + 3 BaCl2(ac) = Ba3(PO4)2(s) + 6 NaCl(ac)
CH3COH + H2 = C2H5OH =>
CH3COH + H2 = C2H5OH
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCLO + SO2 + H2O = HCL + H2SO4 =>
HCLO + SO2 + H2O = HCL + H2SO4
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
HClO + SO2 + H2O = HCl + H2SO4 =>
HClO + SO2 + H2O = HCl + H2SO4
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CuO + Fe = Cu + Fe2O3 =>
3 CuO + 2 Fe = 3 Cu + Fe2O3
Br2 + HNO2 + H2O = HBr + HNO3 =>
Br2 + HNO2 + H2O = 2 HBr + HNO3
(NH4)2Co3 + O2 = NH3 + H2O + Co2 =>
2(NH4)2Co3 + O2 = 4 NH3 + 2 H2O + 3 Co2
Al(OH)3 + H2SO4 = Al(HSO4)3 + H2O =>
Al(OH)3 + 3 H2SO4 = Al(HSO4)3 + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
As + O2 = As2O5 =>
4 As + 5 O2 = 2 As2O5
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Ch3COOH + Ba(OH)2 = (Ch3COO)2Ba + H2O =>
2 Ch3COOH + Ba(OH)2 = (Ch3COO)2Ba + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca(s) + O2(g) = CaO(s) =>
2 Ca(s) + O2(g) = 2 CaO(s)
AgNO3 + Al = Ag + Al(NO3)3 =>
3 AgNO3 + Al = 3 Ag + Al(NO3)3
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C2H6O + O2 = H2O + CO2 =>
C2H6O + 3 O2 = 3 H2O + 2 CO2
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
HCOOH + Na = HCOONa + H2 =>
2 HCOOH + 2 Na = 2 HCOONa + H2
KI + H2SO4 = I2 + H2S + K2SO4 + H2O =>
8 KI + 5 H2SO4 = 4 I2 + H2S + 4 K2SO4 + 4 H2O
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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