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2 NaOH + H2CO3 = Na2CO3 + 2 H2O
BaCO3 + C + H2O = CO + Ba(OH)2 =>
BaCO3 + C + H2O = 2 CO + Ba(OH)2
Mn2O7 + H2O = MnOH7 + O2 =>
Mn2O7 + 7 H2O = 2 MnOH7 + 6 O2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
NO = N2 + O2 =>
2 NO = N2 + O2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
NH3 + H3PO4 = (NH4)3PO4 =>
3 NH3 + H3PO4 = (NH4)3PO4
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CaCO3 + SO2 + O2 = CaSO4 + CO2 =>
2 CaCO3 + 2 SO2 + O2 = 2 CaSO4 + 2 CO2
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Sn{2+} + Fe{3+} = Sn{4+} + Fe{2+} =>
Sn{2+} + 2 Fe{3+} = Sn{4+} + 2 Fe{2+}
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
BaCl2 + Na2HPO4 = BaHPO4 + NaCl =>
BaCl2 + Na2HPO4 = BaHPO4 + 2 NaCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
CuO + Fe = Cu + Fe3O4 =>
4 CuO + 3 Fe = 4 Cu + Fe3O4
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CdS + HCl = CdCl2 + H2S =>
CdS + 2 HCl = CdCl2 + H2S
PbO + CO = Pb + CO2 =>
PbO + CO = Pb + CO2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
C4H10 + Br2 = C4H9Br + HBr =>
C4H10 + Br2 = C4H9Br + HBr
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cu2O + H2 = Cu + H2O =>
Cu2O + H2 = 2 Cu + H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
S2O8{2-} + I{-} = SO4{2-} + I2 =>
S2O8{2-} + 2 I{-} = 2 SO4{2-} + I2
Mg + N2 = MgN =>
2 Mg + N2 = 2 MgN
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg(HCO3)2 = MgCO3 + CO2 + H2O =>
Mg(HCO3)2 = MgCO3 + CO2 + H2O
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
NaHCO3 + CH3COOH = C2H3NaO2 + CO2 + H2O =>
NaHCO3 + CH3COOH = C2H3NaO2 + CO2 + H2O
I + HNO3 = NO + HIO3 + H2O =>
3 I + 5 HNO3 = 5 NO + 3 HIO3 + H2O
Ca3(BO3)2 + H2O = Ca(OH)2 + H3BO3 =>
Ca3(BO3)2 + 6 H2O = 3 Ca(OH)2 + 2 H3BO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C + H2 = C2H2 =>
2 C + H2 = C2H2
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