| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2CO3 + Cu(NO3)2 = CuCO3 + 2 K(NO3)
NH3 + O7 = N2O4 + H2O =>
2 NH3 + O7 = N2O4 + 3 H2O
KOH = K{+} + OH{-} =>
KOH = K{+} + OH{-}
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
NO + H2O + O2 = HNO33 =>
4 NO + 2 H2O + 63 O2 = 4 HNO33
Fe(NO3)2(aq) + Na2CO3(aq) = FeCO3 + NaNO3 =>
Fe(NO3)2(aq) + Na2CO3(aq) = FeCO3 + 2 NaNO3
CuSO4*5H2O + CuSO4 = CuO + H2SO4 =>
CuSO4*5H2O + 4 CuSO4 = 5 CuO + 5 H2SO4
HCH3CO2 + CaCO3 = CO2 + Ca(CH3CO2)2 + H2O =>
2 HCH3CO2 + CaCO3 = CO2 + Ca(CH3CO2)2 + H2O
Cl2 + Na2CO3 + H2O = NaCl + O2 + NaHCO3 =>
2 Cl2 + 4 Na2CO3 + 2 H2O = 4 NaCl + O2 + 4 NaHCO3
B2O3 + SiO2 = B2Si7O17 =>
B2O3 + 7 SiO2 = B2Si7O17
NH4H2PO4 + Ca(OH)2 = NH4OH + Ca3(PO4)2 + H3PO4 =>
6 NH4H2PO4 + 3 Ca(OH)2 = 6 NH4OH + Ca3(PO4)2 + 4 H3PO4
KMnO4 + S + Mg = K2S + MgO + MnO2 =>
2 KMnO4 + S + 4 Mg = K2S + 4 MgO + 2 MnO2
K3PO4 + NaC2H3O2 = KC2H3O2 + Na3PO4 =>
K3PO4 + 3 NaC2H3O2 = 3 KC2H3O2 + Na3PO4
NaClO4 + NH4Cl = NaCl + N2 + HCl + H2O =>
3 NaClO4 + 8 NH4Cl = 3 NaCl + 4 N2 + 8 HCl + 12 H2O
V2H7 = VH2 + H4 =>
4 V2H7 = 8 VH2 + 3 H4
KNO3 + MnSO4 + NaOH = NO + MnO2 + Na2SO4 + K2SO4 + H2O =>
2 KNO3 + 3 MnSO4 + 4 NaOH = 2 NO + 3 MnO2 + 2 Na2SO4 + K2SO4 + 2 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Bi2(SO4)3 + HNO3 = S + Bi(NO3)3 + NO3 + H2O =>
Bi2(SO4)3 + 24 HNO3 = 3 S + 2 Bi(NO3)3 + 18 NO3 + 12 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
(NH4)2CrO4 + Cd(NO3)2 = NH4NO3 + CdCrO4 =>
(NH4)2CrO4 + Cd(NO3)2 = 2 NH4NO3 + CdCrO4
BaBr2 + K2Cr2O7 + H3PO4 = CrPO4 + Ba3(PO4)2 + K3PO4 + H2O + Br2 =>
9 BaBr2 + 3 K2Cr2O7 + 14 H3PO4 = 6 CrPO4 + 3 Ba3(PO4)2 + 2 K3PO4 + 21 H2O + 9 Br2
K2CrO4 + HCl = KCl + K2Cr2O7 + H2O =>
2 K2CrO4 + 2 HCl = 2 KCl + K2Cr2O7 + H2O
CaO2H2 + H2 = Ca + H2O =>
CaO2H2 + H2 = Ca + 2 H2O
AlCl3 + NH4NH4 = NH4Cl + AlNH4 =>
AlCl3 + 2 NH4NH4 = 3 NH4Cl + AlNH4
CO + Na = Na2O + C =>
CO + 2 Na = Na2O + C
Mg + HCl(aq) = MgCl + H2 =>
2 Mg + 2 HCl(aq) = 2 MgCl + H2
CH3CHO + K2Cr2O7 + H2SO4 = CH3COOH + H2O + Cr2(SO4)3 + K2SO4 =>
3 CH3CHO + K2Cr2O7 + 4 H2SO4 = 3 CH3COOH + 4 H2O + Cr2(SO4)3 + K2SO4
M2(SO4)3 + BaCl2 = MCl3 + BaSO4 =>
M2(SO4)3 + 3 BaCl2 = 2 MCl3 + 3 BaSO4
BN = N2 + B =>
2 BN = N2 + 2 B
NaNO3 + KI + HCl = NaNO2 + I2 + KCl + H2O =>
NaNO3 + 2 KI + 2 HCl = NaNO2 + I2 + 2 KCl + H2O
K2O = K + O2 =>
2 K2O = 4 K + O2
LiAlH4 + C3H6O + H2O = C3H8O + LiOH + Al(OH)3 =>
LiAlH4 + 4 C3H6O + 4 H2O = 4 C3H8O + LiOH + Al(OH)3
(NH4)3PO4(aq) + CaCl2(aq) = (NH4)Cl2(s) + Ca3PO4(aq) =>
(NH4)3PO4(aq) + 3 CaCl2(aq) = 3(NH4)Cl2(s) + Ca3PO4(aq)
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Cr2(SO4)3(aq) + K2CO3(aq) = Cr2(CO3)3 + K2SO4 =>
Cr2(SO4)3(aq) + 3 K2CO3(aq) = Cr2(CO3)3 + 3 K2SO4
C2H4 + O2 = CO2 + H2O = HF + O3 =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
AgCl + Na2O = AgO + ClNa2 =>
AgCl + Na2O = AgO + ClNa2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Li + CuI = LiI + Cu =>
Li + CuI = LiI + Cu
NaNO2 + H3NSO3 + HCl = NaH2SO4 + N2 + H2O + Cl =>
NaNO2 + H3NSO3 + HCl = NaH2SO4 + N2 + H2O + Cl
H4SIO4 + KOH = KH3SIO4 + H2O =>
H4SIO4 + KOH = KH3SIO4 + H2O
CS2(s) + O2(g) = CO2(g) + SO2(g) =>
CS2(s) + 3 O2(g) = CO2(g) + 2 SO2(g)
RbClO3 = RbCl + O2 =>
2 RbClO3 = 2 RbCl + 3 O2
Al + (NO3)3 + Na2S = AlS3 + NaNO3 =>
Al + 2(NO3)3 + 3 Na2S = AlS3 + 6 NaNO3
H2S + CUO = CUS + H2O =>
H2S + CUO = CUS + H2O
Mg + SO3 = MgS + O2 =>
2 Mg + 2 SO3 = 2 MgS + 3 O2
Sr(OH)2 + HC = H2O + SrC2 =>
Sr(OH)2 + 2 HC = 2 H2O + SrC2
Ca(NO3)2 + Al = Ca(NO2)2 + Al2O3 =>
3 Ca(NO3)2 + 4 Al = 3 Ca(NO2)2 + 2 Al2O3
Al2(SO3)3 + KOH = Al(OH)3 + K6(SO3)3 =>
Al2(SO3)3 + 6 KOH = 2 Al(OH)3 + K6(SO3)3
NaHSO3 + NaOH = Na2SO3 + H2O =>
NaHSO3 + NaOH = Na2SO3 + H2O
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Équations équilibrées sur12/22/24
Équations équilibrées sur01/21/24
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