Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3OOH + Mg(HCO3)2 = Mg(CH3OO)2 + 2 H2O + 2 CO2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
MgCl2 + Fe(NO3)3 = Mg(NO3)2 + FeCl3 =>
3 MgCl2 + 2 Fe(NO3)3 = 3 Mg(NO3)2 + 2 FeCl3
Ca + AlCl = CaCl + Al =>
Ca + AlCl = CaCl + Al
Sr(Br)2 = Sr + Br =>
Sr(Br)2 = Sr + 2 Br
CaH2 + Zn = CaZn3 + H2 =>
CaH2 + 3 Zn = CaZn3 + H2
C3H5NO9 = CO2 + N2 + H2O + O2 =>
4 C3H5NO9 = 12 CO2 + 2 N2 + 10 H2O + O2
V + O2 = V2O3 =>
4 V + 3 O2 = 2 V2O3
BaCl2 + NaNO3 = Ba(NO3)2 + NaCl =>
BaCl2 + 2 NaNO3 = Ba(NO3)2 + 2 NaCl
CaO + CH4 = CaOCH4 =>
CaO + CH4 = CaOCH4
KMnO4 + HCl + NaSO3 = MnCl2 + KCl + NaSO4 + H2O =>
2 KMnO4 + 6 HCl + 5 NaSO3 = 2 MnCl2 + 2 KCl + 5 NaSO4 + 3 H2O
H2O + Na2O2 = O2 + NaOH =>
2 H2O + 2 Na2O2 = O2 + 4 NaOH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
[Cu(NH3)4] + SO4 + H2O = [Cu(NH3)4]SO4(H2O) =>
[Cu(NH3)4] + SO4 + H2O = [Cu(NH3)4]SO4(H2O)
SiO2 + Na2CO3 = Na4SiO4 + CO2 =>
SiO2 + 2 Na2CO3 = Na4SiO4 + 2 CO2
O2 + Fe = Fe3O4 =>
2 O2 + 3 Fe = Fe3O4
Rb + HC2H3O2 = RbC2H3O2 + H =>
Rb + HC2H3O2 = RbC2H3O2 + H
KIO4 + KI + HCl = KCl + I2 + H2O =>
KIO4 + 7 KI + 8 HCl = 8 KCl + 4 I2 + 4 H2O
Na(OH) = Na2O + H2O =>
2 Na(OH) = Na2O + H2O
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
Bi + H2SO4 = Bi2(SO4)3 + SO2 + H2O =>
2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 SO2 + 6 H2O
Ni + CuCl2 = NiCl2 + Cu =>
Ni + CuCl2 = NiCl2 + Cu
Mg(OH)2 + H3PO4 = Mg3(PO4)2 + H2O =>
3 Mg(OH)2 + 2 H3PO4 = Mg3(PO4)2 + 6 H2O
HNO3 + Al = Al(NO3)3 + H2 =>
6 HNO3 + 2 Al = 2 Al(NO3)3 + 3 H2
Rb + P = Rb3P =>
3 Rb + P = Rb3P
AlCl3(aq) + K3PO4(aq) = KCl(aq) + AlPO4(s) =>
AlCl3(aq) + K3PO4(aq) = 3 KCl(aq) + AlPO4(s)
KBr + PbO2 + HNO3 = Pb(NO3)2 + H2O + Br2 + KNO3 =>
2 KBr + PbO2 + 4 HNO3 = Pb(NO3)2 + 2 H2O + Br2 + 2 KNO3
BaCI2 + CuSO4 = BaSO4 + CuCI2 =>
BaCI2 + CuSO4 = BaSO4 + CuCI2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu2S2 + O2 = CuO + S =>
Cu2S2 + O2 = 2 CuO + 2 S
Ba + HCl = BaCl + H2 =>
2 Ba + 2 HCl = 2 BaCl + H2
Na2SeO3 + Na2SO3 + H2SO4 = Se + Na2SO4 + H2O =>
Na2SeO3 + 2 Na2SO3 + H2SO4 = Se + 3 Na2SO4 + H2O
P4(s) + O2(g) = PO2(s) =>
P4(s) + 4 O2(g) = 4 PO2(s)
Al3 + (CuNO3)2 = Al(NO3)3 + Cu =>
2 Al3 + 9(CuNO3)2 = 6 Al(NO3)3 + 18 Cu
AgNO3 + Be = Be(NO3)2 + Ag =>
2 AgNO3 + Be = Be(NO3)2 + 2 Ag
CuCl2 + Na2O = NaCl + CuO =>
CuCl2 + Na2O = 2 NaCl + CuO
C3H8O + oxygen = carbondioxide + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
HgO + H2SO4 = Hg2(SO4)2 + H2O =>
2 HgO + 2 H2SO4 = Hg2(SO4)2 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ag{+} + I{-} = AgI(s) =>
Ag{+} + I{-} = AgI(s)