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3 ZnS + 2 AlP = Zn3P2 + Al2S3
C8O2H18 + O2 = CO2 + H2O =>
2 C8O2H18 + 23 O2 = 16 CO2 + 18 H2O
AgNO3(s) = Ag(s) + NO2(g) + O2(g) =>
2 AgNO3(s) = 2 Ag(s) + 2 NO2(g) + O2(g)
CuSO4 + KI = CuI + K2SO4 + I2 =>
2 CuSO4 + 4 KI = 2 CuI + 2 K2SO4 + I2
NaI + HCl = NaCl + I2 + H2 =>
2 NaI + 2 HCl = 2 NaCl + I2 + H2
N2S = N + S8 =>
8 N2S = 16 N + S8
Mn + MoO3 = MnO + Mo =>
3 Mn + MoO3 = 3 MnO + Mo
Rb(s) + H2O(l) = RbOH(ac) + H2(g) =>
2 Rb(s) + 2 H2O(l) = 2 RbOH(ac) + H2(g)
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Mg + P4 = MgP =>
4 Mg + P4 = 4 MgP
Fe + Al2O3 = Fe2O3 + Al =>
2 Fe + Al2O3 = Fe2O3 + 2 Al
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe{2+} + P{3-} = Fe3P2 =>
3 Fe{2+} + 2 P{3-} = Fe3P2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Hg + HNO3 + H2SO4 = Hg2SO4 + NO + H2O =>
6 Hg + 2 HNO3 + 3 H2SO4 = 3 Hg2SO4 + 2 NO + 4 H2O
Br2 + MgS = MgBr2 + S8 =>
8 Br2 + 8 MgS = 8 MgBr2 + S8
C2H4O2 = CH4 + CO2 =>
C2H4O2 = CH4 + CO2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
K2Cr2O7 + H2S + H2O = Cr(OH)3 + KOH + S =>
K2Cr2O7 + 3 H2S + H2O = 2 Cr(OH)3 + 2 KOH + 3 S
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeS(s) + O2 = Fe2O3 + SO2(g) =>
4 FeS(s) + 7 O2 = 2 Fe2O3 + 4 SO2(g)
H2 + P = H2P2 =>
H2 + 2 P = H2P2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
K2Cr2O7 + H2C2O4 = K[Cr(H2O)2(C2O4)2] + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4 = 2 K[Cr(H2O)2(C2O4)2] + 3 H2O + 6 CO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
AlCl3 + KOH = K2Cl3 + Al(OH)2 =>
AlCl3 + 2 KOH = K2Cl3 + Al(OH)2
Fe{2+} + P{3-} = Fe3P2 =>
3 Fe{2+} + 2 P{3-} = Fe3P2
I2 + N2 = NI3 =>
3 I2 + N2 = 2 NI3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Fe(NO3) + Na2S = Na2(NO3) + FeS =>
Fe(NO3) + Na2S = Na2(NO3) + FeS
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Cd(OH)2 + H3Po4 = Cd3(Po4)2 + H2O =>
3 Cd(OH)2 + 2 H3Po4 = Cd3(Po4)2 + 6 H2O
P5O7 + CO2 = CO + P2O5 =>
2 P5O7 + 11 CO2 = 11 CO + 5 P2O5
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
AgClO3 + Li2CO3 = LiClO3 + Ag2CO3 =>
2 AgClO3 + Li2CO3 = 2 LiClO3 + Ag2CO3
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(s) =>
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(s)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K(MnO4) = K2O + MnO + O2 =>
4 K(MnO4) = 2 K2O + 4 MnO + 5 O2
Ba(OH)2 + NH4NO3 = Ba(NO3)2 + NH3 + H2O =>
Ba(OH)2 + 2 NH4NO3 = Ba(NO3)2 + 2 NH3 + 2 H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + H2O(i) =>
2 HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + 2 H2O(i)
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
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