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3 SiO2 + 4 Al = 2 Al2O3 + 3 Si
CH3CH2CHO + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CH3CH2COOH + H2O =>
5 CH3CH2CHO + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 CH3CH2COOH + 3 H2O
Pb(NO3)2 = PbO + nitrogendioxide + oxygen =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Cu(NO3)2 + K3(PO4) = Cu3(PO4)2 + KNO3 =>
3 Cu(NO3)2 + 2 K3(PO4) = Cu3(PO4)2 + 6 KNO3
CuFeS2 + O2 = Cu2S + FeS + SO2 =>
2 CuFeS2 + O2 = Cu2S + 2 FeS + SO2
O7 + C2H5OH = CO2 + H2O =>
6 O7 + 7 C2H5OH = 14 CO2 + 21 H2O
KNO3 + H2SO4 + FeSO4 = Fe2(SO4)3 + K2SO4 + NO + H2O =>
2 KNO3 + 4 H2SO4 + 6 FeSO4 = 3 Fe2(SO4)3 + K2SO4 + 2 NO + 4 H2O
PbO + COS = PbS + CO2 =>
PbO + COS = PbS + CO2
Cd + HNO3 = H2 + Cd(NO3)2 =>
Cd + 2 HNO3 = H2 + Cd(NO3)2
Al + HCOOH = Al(COOH) + H =>
Al + HCOOH = Al(COOH) + H
HBr + Ba = HBa + Br =>
HBr + Ba = HBa + Br
BaCl2 + Hg2SO4 = BaSO4 + HgCl =>
BaCl2 + Hg2SO4 = BaSO4 + 2 HgCl
C9H8O2 + C5H6Br3N = C9H8Br2O2 + C5H6BrN =>
C9H8O2 + C5H6Br3N = C9H8Br2O2 + C5H6BrN
C2H5OH + MnO4 = MnO2 + CH3COOH + H2O =>
C2H5OH + MnO4 = MnO2 + CH3COOH + H2O
KClO2 + Ba(OH)2 + O2 = BaClO3 + KOH + H2O =>
4 KClO2 + 4 Ba(OH)2 + O2 = 4 BaClO3 + 4 KOH + 2 H2O
C6H6 + CH3COOH = C8H8O2 + H2 =>
C6H6 + CH3COOH = C8H8O2 + H2
HNO3 + HF = NO + F + H2O =>
HNO3 + 3 HF = NO + 3 F + 2 H2O
Cl2 + MgI2 = MgCl2 + I2 =>
Cl2 + MgI2 = MgCl2 + I2
C + F2 = CF4 =>
C + 2 F2 = CF4
Mg + CH3COOH = Mg2{+} + CH3COO{-} + H2(g) =>
4 Mg + 2 CH3COOH = 2 Mg2{+} + 2 CH3COO{-} + H2(g)
hidróxidodecálcio + dióxidodecarbono = carbonatodecálcio + água =>
Ca(OH)2 + CO2 = CaCO3 + H2O
NaN3(s)6 = N2(g) + Na(s) =>
NaN3(s)6 = 18 N2(g) + Na(s)
KNO2 + O2 = KNO4 =>
KNO2 + O2 = KNO4
Na2SO3 + H2O = H14Na2O10S =>
Na2SO3 + 7 H2O = H14Na2O10S
Zn + Cu(NO3)2 = CuZn2 + NO3 =>
2 Zn + Cu(NO3)2 = CuZn2 + 2 NO3
Cl2 + Na(OH) = NaCl + NaClO + H2O =>
Cl2 + 2 Na(OH) = NaCl + NaClO + H2O
Ca2SO3 = CaO + SO =>
Ca2SO3 = 2 CaO + SO
HAsO2 + I2 + H2O = H3AsO4 + I{-} + H{+} =>
HAsO2 + I2 + 2 H2O = H3AsO4 + 2 I{-} + 2 H{+}
C2H5COOH + CH3OH = C2H5COO(CH3) + H2O =>
C2H5COOH + CH3OH = C2H5COO(CH3) + H2O
K + H3PO4 = PO4K + H3 =>
K + H3PO4 = PO4K + H3
H3O + As2O3 + NO3 = H3AsO4 + N2O3 =>
2 H3O + As2O3 + 2 NO3 = 2 H3AsO4 + N2O3
Sn(OH)2 = SnO + H2O =>
Sn(OH)2 = SnO + H2O
Al + AgCN = Ag + AlCN =>
Al + AgCN = Ag + AlCN
Al(OH)4{-} + H{+} = Al{3+} + H2O =>
Al(OH)4{-} + 4 H{+} = Al{3+} + 4 H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO)3 + H2O + O2 =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO)3 + 4 H2O + 6 O2
Ag(NO3) + H2(SO4) = Ag2(SO4) + H(NO3) =>
2 Ag(NO3) + H2(SO4) = Ag2(SO4) + 2 H(NO3)
H60 = H6 =>
H60 = 10 H6
AgNo{3} + NaOH = AgOH + NaNo{3} =>
AgNo{3} + NaOH = AgOH + NaNo{3}
NiO + H2SO4 = NiSO4 + H2O =>
NiO + H2SO4 = NiSO4 + H2O
ZnS + NaOH = Zn(OH)2 + Na2S =>
ZnS + 2 NaOH = Zn(OH)2 + Na2S
Na3N + K2SO3 = Na2SO3 + K3N =>
2 Na3N + 3 K2SO3 = 3 Na2SO3 + 2 K3N
Fe + SO3 = Fe2(SO3)3 =>
2 Fe + 3 SO3 = Fe2(SO3)3
K2Mn2O7 + KI + H2SO4 = I2 + Mn2(SO4)3 + K2SO4 + H2O =>
K2Mn2O7 + 6 KI + 7 H2SO4 = 3 I2 + Mn2(SO4)3 + 4 K2SO4 + 7 H2O
NaCl2KOH = NaOHKCl2 =>
NaCl2KOH = NaOHKCl2
FeCl3 + HCl + KI{+} = FeCl2 + KCl + HI + Cl{+} =>
FeCl3 + HCl + KI{+} = FeCl2 + KCl + HI + Cl{+}
Al + KCl = AlCl + K2 =>
2 Al + 2 KCl = 2 AlCl + K2
K[Cr(OH)4] + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
2 K[Cr(OH)4] + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 8 H2O
KMnO4 + HS = KS + MnS2 + H2O + S2 =>
2 KMnO4 + 16 HS = 2 KS + 2 MnS2 + 8 H2O + 5 S2
C3H7NH2HOH = C3H7NH3OH =>
C3H7NH2HOH = C3H7NH3OH
K3PO4(aq) + Al(NO3)3(aq) = KNO3 + AlPO4 =>
K3PO4(aq) + Al(NO3)3(aq) = 3 KNO3 + AlPO4
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