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2 Fe + O2 + 2 H2O = 2 Fe(OH)2
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
K[Sb(OH)6] + H2SO4 = H3SbO4 + K2SO4 + H2O =>
2 K[Sb(OH)6] + H2SO4 = 2 H3SbO4 + K2SO4 + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
MnO + PbO2 + HCl + KCl = KMnO4 + PbCl2 + H2O =>
2 MnO + 5 PbO2 + 8 HCl + 2 KCl = 2 KMnO4 + 5 PbCl2 + 4 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
SO2 + Na = Na2O + Na2S =>
SO2 + 6 Na = 2 Na2O + Na2S
H3 + PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3 + 2 PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
Cr + O2 = CrO3 =>
2 Cr + 3 O2 = 2 CrO3
CaO + NaOH = Ca(OH) + NaO =>
CaO + NaOH = Ca(OH) + NaO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3CH2OH + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
CO2(g) + H2O(l) = C6H12O6(s) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(s) + 6 O2(g)
C6H12O6 + H2 = C6H14 + O2 =>
C6H12O6 + H2 = C6H14 + 3 O2
Cu + AgCN = Ag + Cu(CN)2 =>
Cu + 2 AgCN = 2 Ag + Cu(CN)2
Fe + ClF3 = FeF3 + Cl2 =>
2 Fe + 2 ClF3 = 2 FeF3 + Cl2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Pb(OH)3{-} + ClO{-} = PbO2 + Cl{-} + OH{-} + H2O =>
Pb(OH)3{-} + ClO{-} = PbO2 + Cl{-} + OH{-} + H2O
Fe(SCN)3 + NaF = Na(SCN)3 + FeF =>
Fe(SCN)3 + NaF = Na(SCN)3 + FeF
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
NaHCO3(s) + HCl = NaCl + H2O + CO2 =>
NaHCO3(s) + HCl = NaCl + H2O + CO2
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
SrBr2 + CH8N2O3 = CO3Sr + BrH4N =>
SrBr2 + CH8N2O3 = CO3Sr + 2 BrH4N
(NH4)2SO4 + NaNH2 = NH3 + Na2SO4 =>
(NH4)2SO4 + 2 NaNH2 = 4 NH3 + Na2SO4
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Na4Si + H2O = NaOH + Na2SiO3 + H2 =>
Na4Si + 5 H2O = 2 NaOH + Na2SiO3 + 4 H2
PaI5 = Pa + I2 =>
2 PaI5 = 2 Pa + 5 I2
KMnO4 + H2SO4 + H2Cr2O4 = K2SO4 + MnSO4 + H2O + CrO2 =>
2 KMnO4 + 3 H2SO4 + 5 H2Cr2O4 = K2SO4 + 2 MnSO4 + 8 H2O + 10 CrO2
MgCO3(s) = CO2(g) + MgO(g) =>
MgCO3(s) = CO2(g) + MgO(g)
Fe + CuBr2 = Cu + FeBr =>
2 Fe + CuBr2 = Cu + 2 FeBr
K2CO3 + Zn(C2H3O2)2 = KC2H3O2 + Zn2(CO3)2 =>
2 K2CO3 + 2 Zn(C2H3O2)2 = 4 KC2H3O2 + Zn2(CO3)2
C + CO2 = CO =>
C + CO2 = 2 CO
AlCl3 + H2O = HCl + Al(OH)2Cl =>
AlCl3 + 2 H2O = 2 HCl + Al(OH)2Cl
BaCl2 + Na2(CO3) = Ba(CO3) + NaCl =>
BaCl2 + Na2(CO3) = Ba(CO3) + 2 NaCl
NaClO4 + NH3 = H2O + N2H4 + NaCl =>
NaClO4 + 8 NH3 = 4 H2O + 4 N2H4 + NaCl
Br + Ba = BaBr2 =>
2 Br + Ba = BaBr2
H3PO4 + CuO = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 CuO = Cu3(PO4)2 + 3 H2O
Br2 + KI03 = KBr2 + I2 =>
2 Br2 + 2 KI03 = 2 KBr2 + 3 I2
Na2O(aq) + CO2(g) = Na2CO3(aq) =>
Na2O(aq) + CO2(g) = Na2CO3(aq)
ZnSO4 + Pb(NO3)2 = Zn(NO3)2 + Pb(SO4) =>
ZnSO4 + Pb(NO3)2 = Zn(NO3)2 + Pb(SO4)
CO(NH2)2 + O2 = CO2 + HNO3 + H2O =>
CO(NH2)2 + 4 O2 = CO2 + 2 HNO3 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KBr + H3PO4 + P2O5 = HBr + KO2 + P2 =>
30 KBr + 10 H3PO4 + 4 P2O5 = 30 HBr + 30 KO2 + 9 P2
Au2(C2O4)3 + (PH4)3AsO4 = AuAsO4 + (PH4)2C2O4 =>
Au2(C2O4)3 + 2(PH4)3AsO4 = 2 AuAsO4 + 3(PH4)2C2O4
BaCl + MgSO = MgCl + BaSO =>
BaCl + MgSO = MgCl + BaSO
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
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