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CaO + 3 C = CO + CaC2
Na2CO3 + MnO2 + KClO3 = NaMnO4 + CO2 + KCl =>
Na2CO3 + 2 MnO2 + KClO3 = 2 NaMnO4 + CO2 + KCl
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
C8H8 + CO2 = CO + H2 =>
C8H8 + 8 CO2 = 16 CO + 4 H2
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH3CH3OH + O2 = H2O + CH3COOH =>
4 CH3CH3OH + 5 O2 = 6 H2O + 4 CH3COOH
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH3COONa + H2O = NaOH + CH3COOH =>
CH3COONa + H2O = NaOH + CH3COOH
H2O2(aq) = H2O(l) + O2(g) =>
2 H2O2(aq) = 2 H2O(l) + O2(g)
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Zn(FeS2) = Zn + Fe + S =>
Zn(FeS2) = Zn + Fe + 2 S
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Ca + H2O = Ca(OH) + H2 =>
2 Ca + 2 H2O = 2 Ca(OH) + H2
K + CuCl2 = KCl + Cu =>
2 K + CuCl2 = 2 KCl + Cu
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
K2CO3(aq) + Ni2(SO4)3(aq) = K2SO4(aq) + Ni2(CO3)3(s) =>
3 K2CO3(aq) + Ni2(SO4)3(aq) = 3 K2SO4(aq) + Ni2(CO3)3(s)
KMNO4 + HCl = KCl + MNCl2 + H2O + Cl2 =>
2 KMNO4 + 16 HCl = 2 KCl + 2 MNCl2 + 8 H2O + 5 Cl2
H2Se + OH = Se + H2O =>
H2Se + 2 OH = Se + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
Mo + Na2O2 = MoO4 + Na =>
Mo + 2 Na2O2 = MoO4 + 4 Na
Ba(NO3)2 = BaO + NO2 + O2 =>
2 Ba(NO3)2 = 2 BaO + 4 NO2 + O2
NO2 + Na2SO3 = Na2SO4 + N2 =>
2 NO2 + 4 Na2SO3 = 4 Na2SO4 + N2
HNO3 + Zn = Zn(NO3)2 + NO + H2O =>
8 HNO3 + 3 Zn = 3 Zn(NO3)2 + 2 NO + 4 H2O
NaN3 = N2 + Na =>
2 NaN3 = 3 N2 + 2 Na
Mo + Na2O2 = MoO3 + Na =>
2 Mo + 3 Na2O2 = 2 MoO3 + 6 Na
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KMnO4 + KNO2 + H2SO4 = MnSO4 + KNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 5 KNO3 + K2SO4 + 3 H2O
C6H6O + CO2 = CO + H2 =>
C6H6O + 5 CO2 = 11 CO + 3 H2
NO3 + Na2SO3 = Na2SO4 + N2 =>
2 NO3 + 6 Na2SO3 = 6 Na2SO4 + N2
NaOH = Na + O + H =>
NaOH = Na + O + H
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + I2 = ZnI2 =>
Zn + I2 = ZnI2
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
C7H8O + CO2 = CO + H2 =>
C7H8O + 6 CO2 = 13 CO + 4 H2
As2S3(s) + O2(g) = As2O3(s) + SO2(g) =>
2 As2S3(s) + 9 O2(g) = 2 As2O3(s) + 6 SO2(g)
N2H4 + H2O2 = HNO3 + H2O =>
N2H4 + 7 H2O2 = 2 HNO3 + 8 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
H2O = H + O =>
H2O = 2 H + O
BeC2 + H2O = CH4 + Be(OH)2 + CO =>
BeC2 + 3 H2O = CH4 + Be(OH)2 + CO
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
FeCl2 + K3[Fe(CN)6] = KCl + K2Fe(CN)6 + Fe =>
FeCl2 + 2 K3[Fe(CN)6] = 2 KCl + 2 K2Fe(CN)6 + Fe
HI(aq) + KOH(aq) = H2O(l) + KI(aq) =>
HI(aq) + KOH(aq) = H2O(l) + KI(aq)
C10H8 + CO2 = CO + H2 =>
C10H8 + 10 CO2 = 20 CO + 4 H2
(NH4)2SO4 + NaOH = Na2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
Si4H10(l) + O2(g) = SiO2(s) + H2O(l) =>
2 Si4H10(l) + 13 O2(g) = 8 SiO2(s) + 10 H2O(l)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
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