| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 6 H2SO4 + 4 KCl = 6 KHSO4 + 2 CrO2Cl2 + 3 H2O
F2 = F978 =>
489 F2 = F978
Cu20 + KClO2 + HBr = CuBr2 + KCl + H2O =>
Cu20 + 10 KClO2 + 40 HBr = 20 CuBr2 + 10 KCl + 20 H2O
C2H6O2 + C6H4(CO)2O = C9H8O4 + H2O =>
9 C2H6O2 + 9 C6H4(CO)2O = 10 C9H8O4 + 5 H2O
Na3Al(OH)6 + HNO3 = NaNO3 + Al(OH)3 + H2O =>
Na3Al(OH)6 + 3 HNO3 = 3 NaNO3 + Al(OH)3 + 3 H2O
Pb + (SiO2)3 = PbO2 + Si =>
3 Pb + (SiO2)3 = 3 PbO2 + 3 Si
Cu(NO3)2(aq) + KI(aq) = CuI(s) + I2(aq) + K(NO3) =>
2 Cu(NO3)2(aq) + 4 KI(aq) = 2 CuI(s) + I2(aq) + 4 K(NO3)
C6H13ClO + KH = C6H14O + KCl =>
C6H13ClO + KH = C6H14O + KCl
Ca(NO3)2(aq) + K2CrO4(aq) = CaCrO4(s) + KNO3(aq) =>
Ca(NO3)2(aq) + K2CrO4(aq) = CaCrO4(s) + 2 KNO3(aq)
CrO2 + MgO = CrMg + O3 =>
CrO2 + MgO = CrMg + O3
Mg + B2O3 = MgO + B2 =>
3 Mg + B2O3 = 3 MgO + B2
KBr + H2SO4 = KHSO4 + Br2 + SO2 + H2O =>
2 KBr + 3 H2SO4 = 2 KHSO4 + Br2 + SO2 + 2 H2O
(C3H)8 + O2 = CO2 + H2O =>
(C3H)8 + 26 O2 = 24 CO2 + 4 H2O
FeBr3 + K2S = S + FeS + KBr =>
2 FeBr3 + 3 K2S = S + 2 FeS + 6 KBr
KNO3 + CaCO3 = Ca(NO3)2 + K2CO3 =>
2 KNO3 + CaCO3 = Ca(NO3)2 + K2CO3
KCN + FeCl2 = K4Fe(CN)6 + KCl =>
6 KCN + FeCl2 = K4Fe(CN)6 + 2 KCl
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
LiOH + H2C2O4*2H2O = Li2C2O4 + H2O =>
2 LiOH + H2C2O4*2H2O = Li2C2O4 + 4 H2O
CH3CH2OH(l) + O2 = CO2 + H2O(l) =>
CH3CH2OH(l) + 3 O2 = 2 CO2 + 3 H2O(l)
CaI2 + K3PO4 = CaPO4 + K3I2 =>
CaI2 + K3PO4 = CaPO4 + K3I2
KClO3 + NaCl + H2SO4 = Na2SO4 + Cl2 + H2O + K2SO4 =>
2 KClO3 + 10 NaCl + 6 H2SO4 = 5 Na2SO4 + 6 Cl2 + 6 H2O + K2SO4
Mn + F = Mn3F2 =>
3 Mn + 2 F = Mn3F2
K4[Fe(CN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 K4[Fe(CN)6] + 61 K2Cr2O7 + 265 H2SO4 = 3 Fe2(SO4)3 + 36 CO2 + 36 HNO3 + 61 Cr2(SO4)3 + 73 K2SO4 + 247 H2O
CuSO4 + NH4OH = (NH4)SO4 + Cu(OH) =>
CuSO4 + NH4OH = (NH4)SO4 + Cu(OH)
TiCl3 + Ti3Al = Ti + AlCl3 =>
TiCl3 + Ti3Al = 4 Ti + AlCl3
Au + HNO3 = AuNO3 + NO2 + H2O =>
Au + 2 HNO3 = AuNO3 + NO2 + H2O
Ba3N2 + Al2O3 = BaO + AlN =>
Ba3N2 + Al2O3 = 3 BaO + 2 AlN
C4H9O2 + O2 = C4H8O2 + H2O =>
4 C4H9O2 + O2 = 4 C4H8O2 + 2 H2O
SiH4 + NH3 = Si3N4 + H2 =>
3 SiH4 + 4 NH3 = Si3N4 + 12 H2
Pb(NO3)2 + K4[Fe(CN)6] = Pb2Fe(CN)6 + KNO3 =>
2 Pb(NO3)2 + K4[Fe(CN)6] = Pb2Fe(CN)6 + 4 KNO3
N6I3 + I2 = N6I5 =>
N6I3 + I2 = N6I5
InCl3 + Na2S = In2S3 + NaCl =>
2 InCl3 + 3 Na2S = In2S3 + 6 NaCl
C6H5CO + O2 = CO2 + H2O =>
4 C6H5CO + 31 O2 = 28 CO2 + 10 H2O
C4H9OH + C4H8O2 = C8H16O2 + H2O =>
C4H9OH + C4H8O2 = C8H16O2 + H2O
K2S2O8 + NaI = Na2(SO4)2 + KI =>
K2S2O8 + 2 NaI = Na2(SO4)2 + 2 KI
Na2S4O4 + H2O2 = Na2SO4 + H2SO4 + H2O =>
Na2S4O4 + 9 H2O2 = Na2SO4 + 3 H2SO4 + 6 H2O
NH4OH + ZnCl2 = NH4Cl + ZnOHCl =>
NH4OH + ZnCl2 = NH4Cl + ZnOHCl
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
C12H5ClO3 + C6H15N + C7H8 = H2O + HCl + C25H25O2N =>
C12H5ClO3 + C6H15N + C7H8 = H2O + HCl + C25H25O2N
SO2(l) + PCl5(l) = SOCl2(l) + POCl3(l) =>
SO2(l) + PCl5(l) = SOCl2(l) + POCl3(l)
Ba(C2H3O2)2 + Rb2SO4 = Rb(C2H3O2) + BaSO4 =>
Ba(C2H3O2)2 + Rb2SO4 = 2 Rb(C2H3O2) + BaSO4
NaHCO3 + Ca(OH)2 = CaCO3 + NaOH + H2O =>
NaHCO3 + Ca(OH)2 = CaCO3 + NaOH + H2O
NCCN + O2 = N2 + CO2 =>
NCCN + 2 O2 = N2 + 2 CO2
SnF2 + H2O = [Sn2(OH)2]F2 + HF =>
2 SnF2 + 2 H2O = [Sn2(OH)2]F2 + 2 HF
AlCl3 + Na(NO3) = Al(NO3)3 + NaCl =>
AlCl3 + 3 Na(NO3) = Al(NO3)3 + 3 NaCl
I + Fe(NO3)3 = I(NO3) + Fe =>
3 I + Fe(NO3)3 = 3 I(NO3) + Fe
HCl + H2O2 + C = C21H30O2 + Cl =>
28 HCl + H2O2 + 21 C = C21H30O2 + 28 Cl
CH3COOH + O2 = H2O + C2(OH)2 =>
2 CH3COOH + O2 = 2 H2O + 2 C2(OH)2
CH3CH2CH(OH)CH3 + HCl = CH3CH2CHClCH3 + H2O =>
CH3CH2CH(OH)CH3 + HCl = CH3CH2CHClCH3 + H2O
SNO2(s) + C(s) = SN(l) + CO(g) =>
SNO2(s) + 2 C(s) = SN(l) + 2 CO(g)
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