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2 H2O + 4 NO2 + O2 = 4 HNO3
K2S + HCl = KCl + H2S =>
K2S + 2 HCl = 2 KCl + H2S
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Rb + HPO4 = Rb2HPO4 =>
2 Rb + HPO4 = Rb2HPO4
BCl3 + KOH + H2O = K[B(OH)4] + HCl =>
BCl3 + KOH + 3 H2O = K[B(OH)4] + 3 HCl
Ni + H = NiH3 =>
Ni + 3 H = NiH3
Al + H3(PO)4 = Al(PO)4 + H2 =>
2 Al + 2 H3(PO)4 = 2 Al(PO)4 + 3 H2
H2O + NO2 + O2 = HNO3 =>
2 H2O + 4 NO2 + O2 = 4 HNO3
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
C6H5CH3 + Br2 = C6H4BrCH3 + HBr =>
C6H5CH3 + Br2 = C6H4BrCH3 + HBr
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C6H5CH2CH3 + KMnO4 = C6H5COOK + MnO2 + KOH + H2O =>
7 C6H5CH2CH3 + 18 KMnO4 = 8 C6H5COOK + 18 MnO2 + 10 KOH + 10 H2O
Bi2S3 + Na2S = NaBiS2 =>
Bi2S3 + Na2S = 2 NaBiS2
CaO + P4O10 = Ca3(PO4)2 =>
6 CaO + P4O10 = 2 Ca3(PO4)2
AgF3 + Cl = AgCl + F2 =>
2 AgF3 + 2 Cl = 2 AgCl + 3 F2
ZrO{2+} + NH3 + H2O = ZrO(OH)2 + NH4{+} =>
ZrO{2+} + 2 NH3 + 2 H2O = ZrO(OH)2 + 2 NH4{+}
Na + H2O = NaHO + H2 =>
2 Na + 2 H2O = 2 NaHO + H2
ZnBr2 + F2 = ZnF2 + Br2 =>
ZnBr2 + F2 = ZnF2 + Br2
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
CaO(s) + HI(aq) = CaI2 + H2O =>
CaO(s) + 2 HI(aq) = CaI2 + H2O
KMnO4 + HClO4 = KClO4 + Mn(ClO4)2 + H2O + O =>
2 KMnO4 + 6 HClO4 = 2 KClO4 + 2 Mn(ClO4)2 + 3 H2O + 5 O
SO3 + MnO4 = Mn + SO4 =>
4 SO3 + MnO4 = Mn + 4 SO4
CH3CH2CH2CH2CH2CH2CH2CH2OH + CH3COOH = C8H8O3 + H2O =>
CH3CH2CH2CH2CH2CH2CH2CH2OH + 28 CH3COOH = 8 C8H8O3 + 33 H2O
NaCl + C12H22O11 + H2O = HCl + Na2CO3 + C2H4 =>
8 NaCl + C12H22O11 + H2O = 8 HCl + 4 Na2CO3 + 4 C2H4
C25H21O10 + O2 = CO2 + H2O =>
4 C25H21O10 + 101 O2 = 100 CO2 + 42 H2O
Be + O2 = BeO =>
2 Be + O2 = 2 BeO
CH2O + HCN = CH2OHCN =>
CH2O + HCN = CH2OHCN
Mo2C + HNO3 = MoO4 + NO + CO2 + H2O =>
3 Mo2C + 20 HNO3 = 6 MoO4 + 20 NO + 3 CO2 + 10 H2O
NaHCO3(s) + CH3COOH(l) = NaC2H3O2(aq) + H2CO3(aq) = C2H3O2Na(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(l) = NaC2H3O2(aq) + H2CO3(aq)
O2 + NCl3 = NO2 + Cl2O =>
7 O2 + 4 NCl3 = 4 NO2 + 6 Cl2O
Ca2Si + HCl = SiH4 + CaCl2 =>
Ca2Si + 4 HCl = SiH4 + 2 CaCl2
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na3 + SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 2 Na3 + 3 SO4
HNO3 + HS = NO + S + H2O =>
HNO3 + 3 HS = NO + 3 S + 2 H2O
C2H6O + Ni = Ni2C + O2 + H2 =>
2 C2H6O + 8 Ni = 4 Ni2C + O2 + 6 H2
C8H12 + O2 = CO2 + H =>
C8H12 + 8 O2 = 8 CO2 + 12 H
KMnO4 + CH3OH = MnO2 + H2O + HCOOH + KOH =>
4 KMnO4 + 3 CH3OH = 4 MnO2 + H2O + 3 HCOOH + 4 KOH
CO(Cl)2 + NaOH = CO(OH)2 + NaCl =>
CO(Cl)2 + 2 NaOH = CO(OH)2 + 2 NaCl
Hg2Cl2 + NH3*H2O = Hg + HgNH2Cl + NH4Cl + H2O =>
Hg2Cl2 + 2 NH3*H2O = Hg + HgNH2Cl + NH4Cl + 2 H2O
NH3 + H3PO4 = HPO4(NH4)2 =>
2 NH3 + H3PO4 = HPO4(NH4)2
K + BeO = K2O + Be =>
2 K + BeO = K2O + Be
D + Al2 = DAl =>
2 D + Al2 = 2 DAl
CO + H2O = CO203 + H2 =>
CO + 202 H2O = CO203 + 202 H2
enxofre + ozônio = dióxidodeenxofre =>
3 S + 2 O3 = 3 SO2
C6H6O(s) + O2(g) = CO2(g) + H2O =>
C6H6O(s) + 7 O2(g) = 6 CO2(g) + 3 H2O
FeSO4 = Fe2O3 + SO2 + SO3 =>
2 FeSO4 = Fe2O3 + SO2 + SO3
hidróxidodecálcio + dióxidodecarbono = carbonatodecálcio + água =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Zn + ClO3 = Zn(ClO3)2 =>
Zn + 2 ClO3 = Zn(ClO3)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3(aq) + Cu(NO3)2(aq) = Cu(NH3)4(aq) + NO3(aq) =>
4 NH3(aq) + Cu(NO3)2(aq) = Cu(NH3)4(aq) + 2 NO3(aq)
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