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Na + OH = NaOH
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Na + OH = NaOH =>
Na + OH = NaOH
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Fe(NO3)2 + Na2S2O3 = NaNO3 + FeS2O3 =>
Fe(NO3)2 + Na2S2O3 = 2 NaNO3 + FeS2O3
H + KNO2 = NO + H2O + K =>
2 H + KNO2 = NO + H2O + K
Mg(OH)2 + Al(OH)3 = MgAl2O4 + H2O =>
Mg(OH)2 + 2 Al(OH)3 = MgAl2O4 + 4 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
HO2 = H + O2 =>
HO2 = H + O2
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
NH4 + NO3 = N + H2O =>
3 NH4 + 2 NO3 = 5 N + 6 H2O
Mn(CO3) + O2 = Mn2O3 + CO2 =>
4 Mn(CO3) + O2 = 2 Mn2O3 + 4 CO2
KBr(s) + H2O(l) = KOH + Br2 + H2 =>
2 KBr(s) + 2 H2O(l) = 2 KOH + Br2 + H2
HF + Ca(OH)2 = HOH + CaF2 =>
2 HF + Ca(OH)2 = 2 HOH + CaF2
HNO3 + Cl2 = N2 + HClO4 + H2O =>
14 HNO3 + 5 Cl2 = 7 N2 + 10 HClO4 + 2 H2O
C6H5COC100H3 + O2 = CO2 + H2O =>
2 C6H5COC100H3 + 217 O2 = 214 CO2 + 8 H2O
CaCO4 + H2Cl2 = CaCl2 + CO3 + H2O =>
CaCO4 + H2Cl2 = CaCl2 + CO3 + H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
PbCl2 + NH4I = PbI2 + NH4Cl =>
PbCl2 + 2 NH4I = PbI2 + 2 NH4Cl
CsI = Cs + I2 =>
2 CsI = 2 Cs + I2
FeO*Cr2O3 + C = Cr + Fe + CO =>
FeO*Cr2O3 + 4 C = 2 Cr + Fe + 4 CO
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
UF + Mg = U + MgF2 =>
2 UF + Mg = 2 U + MgF2
C6H5Cl + Na = C6H5NaCl =>
C6H5Cl + Na = C6H5NaCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCN = H2 + C + N2 =>
2 HCN = H2 + 2 C + N2
AuCO3 + H2SO4 = AuSO4 + H2O + CO2 =>
AuCO3 + H2SO4 = AuSO4 + H2O + CO2
NH4Cl + AgNO3 = AgCl + NH4NO3 =>
NH4Cl + AgNO3 = AgCl + NH4NO3
NF3 = N + F2 =>
2 NF3 = 2 N + 3 F2
FeCl3 + Na2SO3 + H2O = NaCl + FeCl2 + H2SO4 =>
2 FeCl3 + Na2SO3 + H2O = 2 NaCl + 2 FeCl2 + H2SO4
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
HCl + HNO3 + SnCl2 = SnCl4 + NO2 + H2O =>
2 HCl + 2 HNO3 + SnCl2 = SnCl4 + 2 NO2 + 2 H2O
H{+} + Cr2O7{-2} + C2H5OH = Cr{+3} + CO2 + H2O =>
16 H{+} + 2 Cr2O7{-2} + C2H5OH = 4 Cr{+3} + 2 CO2 + 11 H2O
A5 = A9 =>
9 A5 = 5 A9
Na + Cu3(PO4)2 = Na(PO4) + Cu =>
2 Na + Cu3(PO4)2 = 2 Na(PO4) + 3 Cu
Al + H2O4S = Al2(SO4)3 + H2 =>
2 Al + 3 H2O4S = Al2(SO4)3 + 3 H2
NaNO3 + PbO = Na2O + Pb(NO3)2 =>
2 NaNO3 + PbO = Na2O + Pb(NO3)2
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
CuSO4 + K2S = K2(SO4)2 + Cu2S =>
2 CuSO4 + K2S = K2(SO4)2 + Cu2S
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
IF5 = IF4{+} + IF6{-} =>
2 IF5 = IF4{+} + IF6{-}
KHC8H4O4 + HCl = KCl + H2C8H4O4 =>
KHC8H4O4 + HCl = KCl + H2C8H4O4
Cr2O3 + Ba(OH)2 + Ba(ClO3)2 = BaCrO4 + BaCl2 + H2O =>
2 Cr2O3 + 4 Ba(OH)2 + Ba(ClO3)2 = 4 BaCrO4 + BaCl2 + 4 H2O
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
Cu(s) + MgCl2(aq) = CuCl2 + Mg =>
Cu(s) + MgCl2(aq) = CuCl2 + Mg
U + Br = UBr3 =>
U + 3 Br = UBr3
AgNO3 + Fe(OH)3 = AgOH + Fe(NO3)3 =>
3 AgNO3 + Fe(OH)3 = 3 AgOH + Fe(NO3)3
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