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SiO2 + 4 HF = SiF4 + 2 H2O
Cu(NO3)2 + NH2 + H2O = Cu(OH)2 + NH4NO3 =>
3 Cu(NO3)2 + 8 NH2 + 9 H2O = 3 Cu(OH)2 + 7 NH4NO3
MgCl2 + NH3 + H2O = Mg(OH)2 + NH4 + Cl =>
MgCl2 + 2 NH3 + 2 H2O = Mg(OH)2 + 2 NH4 + 2 Cl
NaCl(aq) + H2SO4(aq) = HCl + NaHSO4 =>
NaCl(aq) + H2SO4(aq) = HCl + NaHSO4
HClO4NaOH = NaClO4H2O =>
HClO4NaOH = NaClO4H2O
CHF3 + Cl2 = CF2Cl2 + F2 + HCl =>
2 CHF3 + 3 Cl2 = 2 CF2Cl2 + F2 + 2 HCl
(NH4)2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + (NH4)2SO4 + H2O =>
(NH4)2Cr2O7 + 6 FeSO4 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + (NH4)2SO4 + 7 H2O
ZnSO4 + C2H5NS = ZnS + C2H5NSO4 =>
ZnSO4 + C2H5NS = ZnS + C2H5NSO4
HF(g) = H2(g)F2(g) =>
2 HF(g) = H2(g)F2(g)
H3PO4 + CO2 = H2O + C3(PO4)4 =>
4 H3PO4 + 3 CO2 = 6 H2O + C3(PO4)4
C52H6O6 + O2 = CO2 + H2O =>
2 C52H6O6 + 101 O2 = 104 CO2 + 6 H2O
Na2HPO4 + Zn(NO3)2 = NaNO3 + ZnHPO4 =>
Na2HPO4 + Zn(NO3)2 = 2 NaNO3 + ZnHPO4
CH4 + Cl = CCl2 + H2Cl =>
CH4 + 4 Cl = CCl2 + 2 H2Cl
H2C4H4O6 + CuSO4 = H2SO4 + CuC4H4O6 =>
H2C4H4O6 + CuSO4 = H2SO4 + CuC4H4O6
CuOHCl + HBr = CuBr2 + HCl + H2O =>
CuOHCl + 2 HBr = CuBr2 + HCl + H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Cr2O7 + OH{-} + Sn{+2} = CrO2{-} + H2O + SnO2 =>
Cr2O7 + 10 OH{-} + 4 Sn{+2} = 2 CrO2{-} + 5 H2O + 4 SnO2
HFNH4Br = HBrFNH4 =>
HFNH4Br = HBrFNH4
(NH4)2S + HCl = NH4Cl + H2S =>
(NH4)2S + 2 HCl = 2 NH4Cl + H2S
K2SiO3 + HI = KHSiO3 + KI =>
K2SiO3 + HI = KHSiO3 + KI
S + Cn = SCn =>
S + Cn = SCn
K2CO3 = K + CO3 =>
K2CO3 = 2 K + CO3
KMnO4 + HCl = Cl2(g) + KCl + MnCl2 + H2O =>
2 KMnO4 + 16 HCl = 5 Cl2(g) + 2 KCl + 2 MnCl2 + 8 H2O
Fe2O3 + TaS2 + CO = FeTa3S6 + CO2 =>
Fe2O3 + 6 TaS2 + 3 CO = 2 FeTa3S6 + 3 CO2
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
C3H6O + KMnO4 + Br2 + H2SO4 = C3H5OBr + Mn2(SO4)3 + K2SO4 + H2O =>
8 C3H6O + 2 KMnO4 + 4 Br2 + 4 H2SO4 = 8 C3H5OBr + Mn2(SO4)3 + K2SO4 + 8 H2O
Pb(NO3)2 + CrLi2O4 = Li(NO3) + PbCrO4 =>
Pb(NO3)2 + CrLi2O4 = 2 Li(NO3) + PbCrO4
Na + SnO2 = SnNa + O =>
Na + SnO2 = SnNa + 2 O
WC + CaCl2 + NaOCl + NaOH = CaWO4 + NaCl + H2O + CO2 =>
WC + CaCl2 + 5 NaOCl + 2 NaOH = CaWO4 + 7 NaCl + H2O + CO2
HI(aq) + NH3(aq) = NH4I =>
HI(aq) + NH3(aq) = NH4I
Cu(s) + FeCl3(aq) = FeCl2(aq) + CuCl2(aq) =>
Cu(s) + 2 FeCl3(aq) = 2 FeCl2(aq) + CuCl2(aq)
C4H9Cl + CuO = CO2 + H2O + Cu + HCl =>
C4H9Cl + 12 CuO = 4 CO2 + 4 H2O + 12 Cu + HCl
NaCl + K(NO)3 = Na(NO)3 + KCl =>
NaCl + K(NO)3 = Na(NO)3 + KCl
Sr + Co(ClO3)3 = Sr(ClO3) + Co =>
3 Sr + Co(ClO3)3 = 3 Sr(ClO3) + Co
KI(aq) + NaBr(aq) = KBr(aq) + NaI(aq) =>
KI(aq) + NaBr(aq) = KBr(aq) + NaI(aq)
PbO + NaOH + Cl2 = PbO2 + NaCl + H2O =>
PbO + 2 NaOH + Cl2 = PbO2 + 2 NaCl + H2O
N2 + V = V3N5 =>
5 N2 + 6 V = 2 V3N5
FeCl3 + K2Cr4O7 = Fe2(Cr4O7)3 + KCl =>
2 FeCl3 + 3 K2Cr4O7 = Fe2(Cr4O7)3 + 6 KCl
HIO3 + CO = CO2 + I2 + H2O =>
2 HIO3 + 5 CO = 5 CO2 + I2 + H2O
C5H11Br + NaOH = C5H10Br + Na + H2O =>
C5H11Br + NaOH = C5H10Br + Na + H2O
ZrB2 + SiC = ZrC + B4C + Si =>
2 ZrB2 + 3 SiC = 2 ZrC + B4C + 3 Si
Al(OH)3 + KCl = K(OH) + AlCl3 =>
Al(OH)3 + 3 KCl = 3 K(OH) + AlCl3
Fe + HNO3(concentrado) = Fe(NO3)3 + H2O + NO2 =>
Fe + 6 HNO3(concentrado) = Fe(NO3)3 + 3 H2O + 3 NO2
PbS + HCl = PbCl2 + H2S =>
PbS + 2 HCl = PbCl2 + H2S
Al + CuCl2 = Cl2 + Al2Cu3 =>
2 Al + 3 CuCl2 = 3 Cl2 + Al2Cu3
Pb(CH2COO)2 + RbBr = PbBr + Rb(CH2COO)2 =>
Pb(CH2COO)2 + RbBr = PbBr + Rb(CH2COO)2
HgHCO3 = Hg + HCO3 =>
HgHCO3 = Hg + HCO3
CaO(s) + SO2(g) = CaO2(s) + SO(g) =>
CaO(s) + SO2(g) = CaO2(s) + SO(g)
H4P2O5 + Pt(OH)4 = Pt(H3P2O5)4 + H2O =>
4 H4P2O5 + Pt(OH)4 = Pt(H3P2O5)4 + 4 H2O
C + SnO2 = Sn + CO =>
2 C + SnO2 = Sn + 2 CO
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