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ZnS + 3 O = ZnO + SO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
AsF3 + CCl4 = AsCl3 + CCl2F2 =>
2 AsF3 + 3 CCl4 = 2 AsCl3 + 3 CCl2F2
Ag(s) + HCl(aq) + HNO3(aq) = AgCl(s) + NO(g) + H2O(l) =>
3 Ag(s) + 3 HCl(aq) + HNO3(aq) = 3 AgCl(s) + NO(g) + 2 H2O(l)
NH4Cl + CaO = NH3 + CaCl2 + Ca(OH)2 =>
2 NH4Cl + 2 CaO = 2 NH3 + CaCl2 + Ca(OH)2
NA + Br = NABr =>
NA + Br = NABr
P4 + S8 = P4S3 =>
8 P4 + 3 S8 = 8 P4S3
NA + Br = NABr =>
NA + Br = NABr
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Fe + S = FeS =>
Fe + S = FeS
K2Cr2O7 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
K2Cr2O7 + 3 Na2SO3 + 8 HCl = 2 KCl + 3 Na2SO4 + 2 CrCl3 + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
NiSO4 + KMnO4 + H2SO4 = Ni2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 NiSO4 + 2 KMnO4 + 8 H2SO4 = 5 Ni2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H + NO = H2O + N =>
2 H + NO = H2O + N
Fe{2}O{3} + CO = Fe + CO{2} =>
Fe{2}O{3} + CO = Fe + CO{2}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
I2 + S203{-2} = I{-} + S406{-2} =>
I2 + 2 S203{-2} = 2 I{-} + S406{-2}
Au(s) + HCl(aq) + HNO3(aq) = HAuCl4(aq) + NO(g) + H2O(l) =>
Au(s) + 4 HCl(aq) + HNO3(aq) = HAuCl4(aq) + NO(g) + 2 H2O(l)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Pb + KOH = K + Pb(OH)2 =>
Pb + 2 KOH = 2 K + Pb(OH)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
CU(OH)2 + NaNO3 = CU(NO3)2 + NaOH =>
CU(OH)2 + 2 NaNO3 = CU(NO3)2 + 2 NaOH
MgCO3(s) + HBr = MgBr2(aq) + CO2(g) + H2O(l) =>
MgCO3(s) + 2 HBr = MgBr2(aq) + CO2(g) + H2O(l)
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
H + NO = H2O + N2 =>
4 H + 2 NO = 2 H2O + N2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
NH3 + O2 = H2O + NO =>
4 NH3 + 5 O2 = 6 H2O + 4 NO
KI + NaOH = KOH + NaI =>
KI + NaOH = KOH + NaI
SO2 + OH{-} = SO3{2-} + H2O =>
SO2 + 2 OH{-} = SO3{2-} + H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
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