| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 KMnO4 = 3 K2O + 6 Mn + 7 O3
Fe2SiO4 + CO2 + H2O = FeCO3 + H4SiO4 =>
Fe2SiO4 + 2 CO2 + 2 H2O = 2 FeCO3 + H4SiO4
O2F2 + H2 = OF2 + H2O =>
O2F2 + H2 = OF2 + H2O
Br2(l) + NaCl(aq) = BrCl + Na =>
Br2(l) + 2 NaCl(aq) = 2 BrCl + 2 Na
C4H10 + NaCl = C2H5Cl + Na =>
C4H10 + 2 NaCl = 2 C2H5Cl + 2 Na
C8H8COOH + O2 = CO2 + H2O =>
4 C8H8COOH + 41 O2 = 36 CO2 + 18 H2O
Al + NaOH + H2O = NaAl(O2) + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAl(O2) + 3 H2
Zr + HCl = ZrCl + H2 =>
2 Zr + 2 HCl = 2 ZrCl + H2
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g)
NaF + Pb(NO3)2 = Na(NO3) + PbF2 =>
2 NaF + Pb(NO3)2 = 2 Na(NO3) + PbF2
LiCN + H2O = HCN + Li2O =>
2 LiCN + H2O = 2 HCN + Li2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Fl + KBr = KFl + Br2 =>
2 Fl + 2 KBr = 2 KFl + Br2
C2F5Cl + O2 = CO2 + F + Cl2 =>
2 C2F5Cl + 4 O2 = 4 CO2 + 10 F + Cl2
NH2OHHCl = NH2ClH2O =>
NH2OHHCl = NH2ClH2O
NaHO + SCl = NaCl + SO + H =>
NaHO + SCl = NaCl + SO + H
Al2(SO4)3 + CaPO4 = Al2PO4 + Ca(SO4)3 =>
Al2(SO4)3 + CaPO4 = Al2PO4 + Ca(SO4)3
Cu(NO3)2(aq) + NaI(s) = Na(NO3)2(aq) + CuI(aq) =>
Cu(NO3)2(aq) + NaI(s) = Na(NO3)2(aq) + CuI(aq)
C4H10 + NaCl = C2H5Cl + Na =>
C4H10 + 2 NaCl = 2 C2H5Cl + 2 Na
C(s) + H2(g) + O(g) = C6H22O11(g) =>
6 C(s) + 11 H2(g) + 11 O(g) = C6H22O11(g)
C2H3COOH + H2 = C2H3COOH2 =>
2 C2H3COOH + H2 = 2 C2H3COOH2
Ba(OH)2 + H2(SO4) = Ba(SO4) + H2O =>
Ba(OH)2 + H2(SO4) = Ba(SO4) + 2 H2O
CH3COONa + H2O = C2H4O2 + NaOH =>
CH3COONa + H2O = C2H4O2 + NaOH
K2CO3(aw) + HBr(aq) = KBr(s) + CO2(g) + H2O(l) =>
K2CO3(aw) + 2 HBr(aq) = 2 KBr(s) + CO2(g) + H2O(l)
HNO3 + MnO2 = HMnO4 + NO2 + H2O =>
3 HNO3 + MnO2 = HMnO4 + 3 NO2 + H2O
SF + F2 = SF4 =>
2 SF + 3 F2 = 2 SF4
(CH3)2CHCH2CH2OH + H2O = CH3COOH + H2 =>
2(CH3)2CHCH2CH2OH + 8 H2O = 5 CH3COOH + 10 H2
FeBr2 + H2O = FeOHBr + HBr =>
FeBr2 + H2O = FeOHBr + HBr
Fe3O4 + HJ = FeJ2 + J2 + H2O =>
Fe3O4 + 8 HJ = 3 FeJ2 + J2 + 4 H2O
Cl2 + KI2 = KCl2 + I2 =>
Cl2 + KI2 = KCl2 + I2
Sn2Br + Ba(OH)2 = Sn2OH + BaBr2 =>
2 Sn2Br + Ba(OH)2 = 2 Sn2OH + BaBr2
NaBr + FeCl3 + H2SO4 = Br2 + FeSO4 + Na2SO4 + HCl =>
2 NaBr + 2 FeCl3 + 3 H2SO4 = Br2 + 2 FeSO4 + Na2SO4 + 6 HCl
C2H4O(g) + O2(g) = C02(g) + H2O(g) =>
2 C2H4O(g) + O2(g) = 2 C02(g) + 4 H2O(g)
Pb(ClO3)2(aq) + NaI(aq) = Pb(I)2(aq) + NaClO3(s) =>
Pb(ClO3)2(aq) + 2 NaI(aq) = Pb(I)2(aq) + 2 NaClO3(s)
NaOH + Cr(OH)3 = Na(OH)3 + Cr(OH)2 =>
NaOH + 2 Cr(OH)3 = Na(OH)3 + 2 Cr(OH)2
Ca + Fe(No3)3 = Ca(No3)2 + Fe =>
3 Ca + 2 Fe(No3)3 = 3 Ca(No3)2 + 2 Fe
H3PO4 + Sr(OH)2 = H2O + H3 + SrPO4 =>
3 H3PO4 + 3 Sr(OH)2 = 6 H2O + H3 + 3 SrPO4
Na2CO2 + K2CrO4 = Na2CrO4 + K2CO2 =>
Na2CO2 + K2CrO4 = Na2CrO4 + K2CO2
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
Cu2S + HNO3 = Cu(NO3)3 + H2SO4 + NO2 + H2O =>
Cu2S + 18 HNO3 = 2 Cu(NO3)3 + H2SO4 + 12 NO2 + 8 H2O
FeSH14O11 = Fe2O3 + SO2 + SO3 + H2O =>
2 FeSH14O11 = Fe2O3 + SO2 + SO3 + 14 H2O
C2H2 + HCN = C5H5N =>
2 C2H2 + HCN = C5H5N
Ba + FeO = BaO2 + Fe =>
Ba + 2 FeO = BaO2 + 2 Fe
K2AsO3 + I2 + KOH = K3AsO4 + KI + H2O =>
2 K2AsO3 + I2 + 4 KOH = 2 K3AsO4 + 2 KI + 2 H2O
KO2 + H2O = KOH + O2 =>
4 KO2 + 2 H2O = 4 KOH + 3 O2
O2 + C4H9NH2 = CO2 + H2O + N2 =>
27 O2 + 4 C4H9NH2 = 16 CO2 + 22 H2O + 2 N2
NaCl + H2SO4 + MnO2 = Na2SO4 + MnCl2 + O2 + H2O =>
4 NaCl + 2 H2SO4 + 2 MnO2 = 2 Na2SO4 + 2 MnCl2 + O2 + 2 H2O
Al2(SO4)3 + NH3*H2O = (NH4)2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 NH3*H2O = 3(NH4)2SO4 + 2 Al(OH)3
Na3(Cr(OH)6) + HNO3 = Cr(OH)3 + NaNO3 + H2O =>
Na3(Cr(OH)6) + 3 HNO3 = Cr(OH)3 + 3 NaNO3 + 3 H2O
Li2S + K2SO4 = Li2(SO4) + K2S =>
Li2S + K2SO4 = Li2(SO4) + K2S
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