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Eu2O3 + 6 HNO3 = 2 Eu(NO3)3 + 3 H2O
FeS2(s) + O2(g) = Fe2O3(s) + SO2(g) =>
4 FeS2(s) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
AgCl + NH4OH = Ag(NH3)2Cl + H2O =>
AgCl + 2 NH4OH = Ag(NH3)2Cl + 2 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
(C6H6)12 + O = CO2 + H2O =>
(C6H6)12 + 180 O = 72 CO2 + 36 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C4H9Cl + AgNO3 + C2H6O = C6H14O + AgCl + HNO3 =>
C4H9Cl + AgNO3 + C2H6O = C6H14O + AgCl + HNO3
Zn3Sb2 + H2O = SbH3 + Zn(OH)2 =>
Zn3Sb2 + 6 H2O = 2 SbH3 + 3 Zn(OH)2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb(NO3)2 + NH42S = Pb(NO3)2NH42S =>
Pb(NO3)2 + NH42S = Pb(NO3)2NH42S
KHC8H4O4 + NaOH = K2C8H4O4 + Na2C8H4O4 + H2O =>
2 KHC8H4O4 + 2 NaOH = K2C8H4O4 + Na2C8H4O4 + 2 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
H3AsO4 + Rb2CO3 = Rb3AsO4 + H2CO3 =>
2 H3AsO4 + 3 Rb2CO3 = 2 Rb3AsO4 + 3 H2CO3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Zn(OH)2 + KOH = K2ZnO2 + H2O =>
Zn(OH)2 + 2 KOH = K2ZnO2 + 2 H2O
FeS2(s) + O2(g) = Fe2O3(s) + SO2(g) =>
4 FeS2(s) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
Al(HCO3)3(s) = Al2(CO3)3(s) + CO2(g) + H2O(g) =>
2 Al(HCO3)3(s) = Al2(CO3)3(s) + 3 CO2(g) + 3 H2O(g)
MgI2 + Fe(NO3)3 = Mg(NO3)2 + FeI3 =>
3 MgI2 + 2 Fe(NO3)3 = 3 Mg(NO3)2 + 2 FeI3
F2 + (NH4)3N = N2 + NH4F =>
3 F2 + 2(NH4)3N = N2 + 6 NH4F
C6H5CHCH2 + CH3COCH3 + NH3 = C10H15N + H2O =>
C6H5CHCH2 + 4 CH3COCH3 + 2 NH3 = 2 C10H15N + 4 H2O
Cu + NaCe = Ce + NaCu =>
Cu + NaCe = Ce + NaCu
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
C12H22O11(s)(sucrose) + H2O = CH3OH + CO2 =>
C12H22O11(s)(sucrose) + 5 H2O = 8 CH3OH + 4 CO2
C10H8 + O2 = C8H4O3 + H2O =>
8 C10H8 + 21 O2 = 10 C8H4O3 + 12 H2O
K2HgI4 + KOH + NH3 = NH2HgI + KI + H2O =>
K2HgI4 + KOH + NH3 = NH2HgI + 3 KI + H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
CH3CH2OH + KMnO4 + H2SO4 = MnSO4 + CH3COH + K2SO4 + H2O =>
5 CH3CH2OH + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 CH3COH + K2SO4 + 8 H2O
Al + H3PO4 = Al(H2PO4)2 + H2 =>
Al + 2 H3PO4 = Al(H2PO4)2 + H2
Al2O3 + C2 = Al + CO2 =>
4 Al2O3 + 3 C2 = 8 Al + 6 CO2
KNO2 + HNO3 = KNO3 + NO2 + H2 =>
2 KNO2 + 2 HNO3 = 2 KNO3 + 2 NO2 + H2
Al(OH)3 + HJ = AlJ3 + H2O =>
Al(OH)3 + 3 HJ = AlJ3 + 3 H2O
S + O2 = SO2 =>
S + O2 = SO2
NaFeO2 + H2O = Fe2O3 + NaOH =>
2 NaFeO2 + H2O = Fe2O3 + 2 NaOH
(C3H8)(g) + O2(g) = CO2(g) + H2O(g) =>
(C3H8)(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
PuO2 + HNO3 = PuO2(NO3)2 + H2O + NO =>
3 PuO2 + 8 HNO3 = 3 PuO2(NO3)2 + 4 H2O + 2 NO
NH3 + H = NH4 =>
NH3 + H = NH4
(OH){-} + N2H4 + (ClO3){-} = (NO)3{-} + Cl{-} + H2O =>
6(OH){-} + 9 N2H4 + 11(ClO3){-} = 6(NO)3{-} + 11 Cl{-} + 21 H2O
K2Cr2O7(aq) + H2O(l) + S(g) = KOH(aq) + Cr2O3(s) + SO2(g) =>
2 K2Cr2O7(aq) + 2 H2O(l) + 3 S(g) = 4 KOH(aq) + 2 Cr2O3(s) + 3 SO2(g)
NaClO + KNO3 = KClO3 + NaCl + NaNO3 =>
3 NaClO + KNO3 = KClO3 + 2 NaCl + NaNO3
SO3{2-} + Ba{2+} = BaSO3 =>
SO3{2-} + Ba{2+} = BaSO3
Mg(NO3)2(aq) + Na2CrO4(s) = MgCrO4(aq) + NaNO3(aq) =>
Mg(NO3)2(aq) + Na2CrO4(s) = MgCrO4(aq) + 2 NaNO3(aq)
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 = =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
AlF3 + (NH4)3PO4 = AlPO4 + NH4F =>
AlF3 + (NH4)3PO4 = AlPO4 + 3 NH4F
K2Cr2O7(aq) + AgNO3(aq) = Ag2Cr2O7(s) + KNO3(s) =>
K2Cr2O7(aq) + 2 AgNO3(aq) = Ag2Cr2O7(s) + 2 KNO3(s)
(CH3)N2H2 + N2O4 = N2 + H2O + CO2 =>
8(CH3)N2H2 + 9 N2O4 = 17 N2 + 20 H2O + 8 CO2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
CrO4(aq) + S2O3(aq) = Cr(aq) + SO4(aq) =>
5 CrO4(aq) + 4 S2O3(aq) = 5 Cr(aq) + 8 SO4(aq)
HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(l) + H2O(aq) =>
2 HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(l) + 2 H2O(aq)
H2C2O4 + KMnO4 + H2SO4 = MnSO4(ac) + K2SO4 + CO2 + H2O =>
5 H2C2O4 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4(ac) + K2SO4 + 10 CO2 + 8 H2O
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