| Équations équilibrées la veille | Équations équilibrées le lendemain |
HCOOK + HNO3 = HCOOH + KNO3
CH4O + Cr2O7{2-} + H{+} = CH2O + Cr{3+} + H2O =>
3 CH4O + Cr2O7{2-} + 8 H{+} = 3 CH2O + 2 Cr{3+} + 7 H2O
H2O2 = H2 + O2 =>
H2O2 = H2 + O2
Na{+} + O2{-} = NaO2 =>
Na{+} + O2{-} = NaO2
Cr + H2SO4 = Cr2(SO4)3 + H2 =>
2 Cr + 3 H2SO4 = Cr2(SO4)3 + 3 H2
C6H8O7 + NaOH = NaC6H7O7 + H2O =>
C6H8O7 + NaOH = NaC6H7O7 + H2O
C2H7NO + H3PO4 = C2H8NO4P + H2O =>
C2H7NO + H3PO4 = C2H8NO4P + H2O
Mg3P2 + H2O = PH3 + Mg(OH)2 =>
Mg3P2 + 6 H2O = 2 PH3 + 3 Mg(OH)2
CuO + C2H4O2 = Cu + CO2 + H2O =>
4 CuO + C2H4O2 = 4 Cu + 2 CO2 + 2 H2O
NH4NO3 + Mg = Mg(NO3)2 + NH3 + H2O =>
9 NH4NO3 + 4 Mg = 4 Mg(NO3)2 + 10 NH3 + 3 H2O
Hg + I2 = HgI2 =>
Hg + I2 = HgI2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + [O] + H2O =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3[O] + 4 H2O
Cr(OH)2 = Cr2O3 + H2 + H2O =>
2 Cr(OH)2 = Cr2O3 + H2 + H2O
K2[Zn(OH)4] + H2S = ZnS + KHS + H2O =>
K2[Zn(OH)4] + 3 H2S = ZnS + 2 KHS + 4 H2O
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
NaPO4 + HNO3 + (NH4)2MoO4 = (NH4)3PMo12O40 + NH4NO3 + NaNO3 + H2O =>
4 NaPO4 + 86 HNO3 + 48(NH4)2MoO4 = 4(NH4)3PMo12O40 + 83 NH4NO3 + 4 NaNO3 + 45 H2O
Ca3P2 + O2 = CaO + P4 =>
2 Ca3P2 + 3 O2 = 6 CaO + P4
S + H = H2S =>
S + 2 H = H2S
Pb + Br2 = PbBr2 =>
Pb + Br2 = PbBr2
AsO2{-} + I2 + H2O = I{-} + AsO4{3-} + H{+} =>
AsO2{-} + I2 + 2 H2O = 2 I{-} + AsO4{3-} + 4 H{+}
CH3CH2OH + O2 = CH3CHO + H2O =>
2 CH3CH2OH + O2 = 2 CH3CHO + 2 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
NH2CO2NH4(s) = CO2(g) + NH3(g) =>
NH2CO2NH4(s) = CO2(g) + 2 NH3(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + BaCl2 = FeCl2 + Ba =>
Fe + BaCl2 = FeCl2 + Ba
Cr3O = Cr + O2 =>
2 Cr3O = 6 Cr + O2
MnO4{-} + NH3 = MnO2 + OH{-} + H2O + N2 =>
2 MnO4{-} + 2 NH3 = 2 MnO2 + 2 OH{-} + 2 H2O + N2
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
NaCl + H2SO4 + O = NaSO4 + Cl + H2O =>
NaCl + H2SO4 + O = NaSO4 + Cl + H2O
Al + KOH + H2O = K3[Al(OH)6] + H2 =>
2 Al + 6 KOH + 6 H2O = 2 K3[Al(OH)6] + 3 H2
Li2CO3 + Al(NO3)3 = LiNO3 + Al2(CO3)3 =>
3 Li2CO3 + 2 Al(NO3)3 = 6 LiNO3 + Al2(CO3)3
Li(s) + AgCl(aq) = LiCl(aq) + Ag(s) =>
Li(s) + AgCl(aq) = LiCl(aq) + Ag(s)
NaCl + CaCl2 = CaNa + Cl2 =>
2 NaCl + 2 CaCl2 = 2 CaNa + 3 Cl2
NH4NO3(aq) + NaBr(aq) = NH4Br(aq) + NaNO3(l) =>
NH4NO3(aq) + NaBr(aq) = NH4Br(aq) + NaNO3(l)
H2Br2 = HBr =>
H2Br2 = 2 HBr
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CrCl2 + K2S = CrS + KCl =>
CrCl2 + K2S = CrS + 2 KCl
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
C2H2(g) = C(s) + H2(g) =>
C2H2(g) = 2 C(s) + H2(g)
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(s) =>
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(s)
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
C9H10O3 + C9H8O = C18H18O4 =>
C9H10O3 + C9H8O = C18H18O4
Cu + HClO = Cu(ClO)2 + H2 =>
Cu + 2 HClO = Cu(ClO)2 + H2
C3H7COOH + NaHCO3 = C3H7COONa + H2O + CO2 =>
C3H7COOH + NaHCO3 = C3H7COONa + H2O + CO2
CH3CHCOOH + NaHCO3 = CH3CH2COONa + H2O + CO2 =>
14 CH3CHCOOH + 13 NaHCO3 = 13 CH3CH2COONa + 9 H2O + 16 CO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C6H14O6 + H2 = C12H26 + H2O =>
2 C6H14O6 + 11 H2 = C12H26 + 12 H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Cd + Br2 = Cd{2+} + Br{-} =>
Cd + Br2 = Cd{2+} + 2 Br{-}
C6H8O7 + NaOH = NaC6H7O7 + H2O =>
C6H8O7 + NaOH = NaC6H7O7 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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