| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Sb + 3 O2 = 2 Sb2O3
HCl + AgF = HF + AgCl =>
HCl + AgF = HF + AgCl
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
NaIO3 + HI = NaI + H2O + I2 =>
NaIO3 + 6 HI = NaI + 3 H2O + 3 I2
Zr + H2SO4 = ZrSO4 + H2 =>
Zr + H2SO4 = ZrSO4 + H2
KNO3 + Na3PO4 = K(PO4) + Na3(NO3) =>
KNO3 + Na3PO4 = K(PO4) + Na3(NO3)
Sb + HNO3 = Sb2O5 + NO + H2O =>
6 Sb + 10 HNO3 = 3 Sb2O5 + 10 NO + 5 H2O
BaBr2 + Pb(NO3)2 = BaPb + (NO3)2Br2 =>
BaBr2 + Pb(NO3)2 = BaPb + (NO3)2Br2
H3PO4 + Cd(OH)2 = CdP2O6 + H2O =>
2 H3PO4 + Cd(OH)2 = CdP2O6 + 4 H2O
H2C2O4*2H2O + KMnO4 = CO2 + K2O + Mn + H2O =>
7 H2C2O4*2H2O + 2 KMnO4 = 14 CO2 + K2O + 2 Mn + 21 H2O
CaCl2 + (NH4)2CO3 = CaCO3 + (NH4)Cl =>
CaCl2 + (NH4)2CO3 = CaCO3 + 2(NH4)Cl
X(NH4)2Cr2O7 = XCr2O3 + N2 + H2O =>
X(NH4)2Cr2O7 = XCr2O3 + N2 + 4 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Fe + F = FeF3 =>
Fe + 3 F = FeF3
B + CaO = B2O3 + Ca =>
2 B + 3 CaO = B2O3 + 3 Ca
[Cu(H2O)6]2 + K4[Fe(CN)6] = [K4(H2O)6]2 + Cu[Fe(CN)6] =>
[Cu(H2O)6]2 + 2 K4[Fe(CN)6] = [K4(H2O)6]2 + 2 Cu[Fe(CN)6]
C2H6O + Cr2O7{-2} + H{+} = C2H6O2 + H2O + Cr{+3} =>
3 C2H6O + Cr2O7{-2} + 8 H{+} = 3 C2H6O2 + 4 H2O + 2 Cr{+3}
CH3Br3 + O2 = CO + HBr =>
2 CH3Br3 + O2 = 2 CO + 6 HBr
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2SO4(aq) + CuCO3(aq) = CuSO4(aq) + H2O(l) + CO2(g) =>
H2SO4(aq) + CuCO3(aq) = CuSO4(aq) + H2O(l) + CO2(g)
Ba(OH)2 + H3PO4 = BaH3 + PO4(OH)2 =>
Ba(OH)2 + H3PO4 = BaH3 + PO4(OH)2
K + F = KF =>
K + F = KF
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
NiO + H2SO4 = NiSO4 + H2O =>
NiO + H2SO4 = NiSO4 + H2O
F2 + NaOH = NaF + NaO3 + H2O =>
5 F2 + 12 NaOH = 10 NaF + 2 NaO3 + 6 H2O
K(MnO4) + BiBr + H2SO4 = Br + Mn(SO4) + Bi(SO4)3 + K2(SO4) + H2O =>
6 K(MnO4) + 5 BiBr + 24 H2SO4 = 5 Br + 6 Mn(SO4) + 5 Bi(SO4)3 + 3 K2(SO4) + 24 H2O
Au2S3 + HF = AuF3 + H2S =>
Au2S3 + 6 HF = 2 AuF3 + 3 H2S
FeCl3 + NaScN = Fe(ScN)3 + NaCl =>
FeCl3 + 3 NaScN = Fe(ScN)3 + 3 NaCl
Fe2CO3 + CH4N2O + C6H5OH = Fe2O3 + C6H5NH2 + CO2 =>
7 Fe2CO3 + 3 CH4N2O + 5 C6H5OH = 7 Fe2O3 + 6 C6H5NH2 + 4 CO2
HCl + Na2CO3 = H2CO3 + NaCl = H2CO3 =>
2 HCl + Na2CO3 = H2CO3 + 2 NaCl
NaI + O2 + H2SO4 = I2 + H2O + Na2SO4 =>
4 NaI + O2 + 2 H2SO4 = 2 I2 + 2 H2O + 2 Na2SO4
CuF2 + Mg = F2Mg + Cu =>
CuF2 + Mg = F2Mg + Cu
Na4Ti9O20 + HCl = TiO2 + NaCl + H2O =>
Na4Ti9O20 + 4 HCl = 9 TiO2 + 4 NaCl + 2 H2O
Os(Fe(CN)6)2 + Ta = (Fe(CN)6)2 + OsTa =>
Os(Fe(CN)6)2 + Ta = (Fe(CN)6)2 + OsTa
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Ca + Na(NO3)2 = Na + Ca(NO3)2 =>
Ca + Na(NO3)2 = Na + Ca(NO3)2
Fe2O3 + C6H12O7 + H2O = C12H22FeO14*2H2O + O =>
Fe2O3 + 4 C6H12O7 + 2 H2O = 2 C12H22FeO14*2H2O + O
NaHCO3(s) + H3PO4(aq) = Na2HPO4(aq) + H2O(l) + CO2(g) =>
2 NaHCO3(s) + H3PO4(aq) = Na2HPO4(aq) + 2 H2O(l) + 2 CO2(g)
NH4SO3 + BaCl = NH4Cl + BaSO3 =>
NH4SO3 + BaCl = NH4Cl + BaSO3
F + NaOH = NaF + O2 + H2O =>
4 F + 4 NaOH = 4 NaF + O2 + 2 H2O
Ti(OH)3 + O2 + H2O = TiO2*4H2O =>
4 Ti(OH)3 + O2 + 10 H2O = 4 TiO2*4H2O
FeCl3*6H2O + NaOH = Fe(OH)3 + H2O + Na + Cl =>
FeCl3*6H2O + 3 NaOH = Fe(OH)3 + 6 H2O + 3 Na + 3 Cl
C5H3ON + O2 = CO2 + H2O + N2 =>
4 C5H3ON + 21 O2 = 20 CO2 + 6 H2O + 2 N2
Na2(C2O4) + Pb(NO3)2 = PbC2O4 + NaNO3 =>
Na2(C2O4) + Pb(NO3)2 = PbC2O4 + 2 NaNO3
Na + F = NaF =>
Na + F = NaF
PbO + Na2SO4 + H2O = PbSO4 + NaOH =>
PbO + Na2SO4 + H2O = PbSO4 + 2 NaOH
Na4SiO4(s) + HCl(aq) = SiO2(g) + NaCl(s) + H2O(l) =>
Na4SiO4(s) + 4 HCl(aq) = SiO2(g) + 4 NaCl(s) + 2 H2O(l)
Ba(NO3) + NaF = BaF + Na(NO3) =>
Ba(NO3) + NaF = BaF + Na(NO3)
[Zn(OH)]2SO4 = Zn(OH)2 + ZnSO4 =>
[Zn(OH)]2SO4 = Zn(OH)2 + ZnSO4
C2H2(s) + O2(g) = CO2(g) + H2(g) =>
C2H2(s) + 2 O2(g) = 2 CO2(g) + H2(g)
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