| Équations équilibrées la veille | Équations équilibrées le lendemain |
11 H2SO4 + C12H22O11 = 12 C + 11 H3OHSO4
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
C4H8OH + O2 = CO2 + H2O =>
4 C4H8OH + 23 O2 = 16 CO2 + 18 H2O
Ca(OH)2 + (C17H19NO3)2 = Ca(C17H18NO3)2 + (H2O)2 =>
Ca(OH)2 + (C17H19NO3)2 = Ca(C17H18NO3)2 + (H2O)2
Ca5(PO4)3F + HNO3 = Ca(NO3)2 + HF + Ca(H2PO4)2 =>
2 Ca5(PO4)3F + 14 HNO3 = 7 Ca(NO3)2 + 2 HF + 3 Ca(H2PO4)2
AuCl3 + (NH4)2CO3 = Au2(CO3)3 + NH4Cl =>
2 AuCl3 + 3(NH4)2CO3 = Au2(CO3)3 + 6 NH4Cl
CHCH + NaOH = H2O + CNa =>
CHCH + 2 NaOH = 2 H2O + 2 CNa
NO{-} + HS{-} + H{+} = N2 + H2O + SO4{2-} =>
8 NO{-} + HS{-} + 7 H{+} = 4 N2 + 4 H2O + SO4{2-}
K3Fe(CN)6 + CuSO4 = Cu3(Fe(CN)6)2 + K2SO4 =>
2 K3Fe(CN)6 + 3 CuSO4 = Cu3(Fe(CN)6)2 + 3 K2SO4
NO{-} + HS{-} + H{+} = N2 + H2O + SO4{2-} =>
8 NO{-} + HS{-} + 7 H{+} = 4 N2 + 4 H2O + SO4{2-}
Sr(NO3)2(aq) + K3PO4(aq) = Sr3(PO4)2(s) + KNO3(aq) =>
3 Sr(NO3)2(aq) + 2 K3PO4(aq) = Sr3(PO4)2(s) + 6 KNO3(aq)
C(s) + H2(g) = C4H10(l) =>
4 C(s) + 5 H2(g) = C4H10(l)
Na(s) + MgI2(aq) = NaI(aq) + Mg(s) =>
2 Na(s) + MgI2(aq) = 2 NaI(aq) + Mg(s)
Ca3P2O8 + Si6O12 = P4O10 + CaSiO3 =>
2 Ca3P2O8 + Si6O12 = P4O10 + 6 CaSiO3
FeS2 + HNO3 = Fe2(SO)3 + H2SO4 + NO + H2O =>
2 FeS2 + 4 HNO3 = Fe2(SO)3 + H2SO4 + 4 NO + H2O
Na(s) + Cl2(g) = NaCl(s) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)
SrCl2 + Li3(PO4) = Sr3(PO4)2 + LiCl =>
3 SrCl2 + 2 Li3(PO4) = Sr3(PO4)2 + 6 LiCl
Fe + C1 = Fe10C =>
10 Fe + C1 = Fe10C
NH5CO3 = CO2 + NH3 + H2O =>
NH5CO3 = CO2 + NH3 + H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CoSO4 + NaOH + H2O2 = Co2O3 + Na2SO4 + H2O =>
2 CoSO4 + 4 NaOH + H2O2 = Co2O3 + 2 Na2SO4 + 3 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
MnO2 + H2O2 = MnO4 + H2O =>
MnO2 + 2 H2O2 = MnO4 + 2 H2O
Ca3(PO4)2(s) + H3PO4(l) = Ca(H2PO4)2 =>
Ca3(PO4)2(s) + 4 H3PO4(l) = 3 Ca(H2PO4)2
CoO + NH4OH = Co(OH)2 + NH3 =>
CoO + NH4OH = Co(OH)2 + NH3
CH3COOH + H2O = CO2 + H2 =>
CH3COOH + 2 H2O = 2 CO2 + 4 H2
SO2 + NO + H3AsO4 + H2O = HNO3 + As2S3 =>
9 SO2 + 22 NO + 6 H3AsO4 + 2 H2O = 22 HNO3 + 3 As2S3
MgF2 + Li2CO3 = Mg2(CO3)2 + LiF =>
2 MgF2 + 2 Li2CO3 = Mg2(CO3)2 + 4 LiF
I{-}(aq) + O2(g) + H2O(l) = I2(s) + OH{-}(aq) =>
4 I{-}(aq) + O2(g) + 2 H2O(l) = 2 I2(s) + 4 OH{-}(aq)
NH4F + Ca(OH)2 = CaF2 + NH3 + H2O =>
2 NH4F + Ca(OH)2 = CaF2 + 2 NH3 + 2 H2O
HBr + PbCO3 = PbBr2 + H2O + CO2 =>
2 HBr + PbCO3 = PbBr2 + H2O + CO2
SnBr2(aq) + KOH(aq) = Sn(OH)2(s) + KBr(aq) =>
SnBr2(aq) + 2 KOH(aq) = Sn(OH)2(s) + 2 KBr(aq)
CuOH2 + H2SO4 = Cu2SO4 + H2O + SO2 =>
2 CuOH2 + 2 H2SO4 = Cu2SO4 + 4 H2O + SO2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaOH + H2SO4 = H3O + NaSO4 =>
NaOH + H2SO4 = H3O + NaSO4
O2 + Cl2 = O2Cl3 =>
2 O2 + 3 Cl2 = 2 O2Cl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2CrO4 + SiO2 = SiCrO5 + H2O =>
H2CrO4 + SiO2 = SiCrO5 + H2O
KMnO4 + CH3CHO = CH3COOH + CH3COOK + MnO2 + H2O =>
2 KMnO4 + 3 CH3CHO = CH3COOH + 2 CH3COOK + 2 MnO2 + H2O
Pr6O11 + H3BO3 = PrBO3 + H2O + O2 =>
Pr6O11 + 6 H3BO3 = 6 PrBO3 + 9 H2O + O2
CH{2}F + F{2} = CF{4} + HF + F{6} =>
2 CH{2}F + 5 F{2} = 2 CF{4} + 2 HF + F{6}
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
Ba(HCO3)2 + NaHSO4 = BaSO4 + Na2SO4 + CO2 + H2O =>
Ba(HCO3)2 + 2 NaHSO4 = BaSO4 + Na2SO4 + 2 CO2 + 2 H2O
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