| Équations équilibrées la veille |
MgSO4 + NaOH = MgO + NaHSO4
CH3COOH + C3H7OH = CH3COOC3H6OH + H2O =>
9 CH3COOH + 4 C3H7OH = 6 CH3COOC3H6OH + 4 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
C12H8Cl2N4 + C10H8NNaO3S = C32H22N6Na2O6S2 + ClH =>
C12H8Cl2N4 + 2 C10H8NNaO3S = C32H22N6Na2O6S2 + 2 ClH
RuCl4(s) + Na2S4(s) = RuS2(s) + NaCl(s) + S(s) =>
RuCl4(s) + 2 Na2S4(s) = RuS2(s) + 4 NaCl(s) + 6 S(s)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuNO3 + Fe = Cu + Fe(NO3)2 =>
2 CuNO3 + Fe = 2 Cu + Fe(NO3)2
K2SO4 + FeCl3 = Fe(SO4) + K2Cl3 =>
K2SO4 + FeCl3 = Fe(SO4) + K2Cl3
FeCl2 + K2CrO4 = KCl + FeCrO4 =>
FeCl2 + K2CrO4 = 2 KCl + FeCrO4
AlK(SO4)2 + NaOH = Al(OH)3 + Na2SO4 + K2SO4 =>
2 AlK(SO4)2 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4 + K2SO4
NaHCO3 + HBr = NaH + HCO3Br =>
NaHCO3 + HBr = NaH + HCO3Br
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KMnO4 + H2SO4 = K2SO4 + MnSO4 + O2 + H =>
2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 4 O2 + 6 H
AgNO{3} + CuCl{2} = AgCl + Cu(NO{3}){2} =>
AgNO{3} + CuCl{2} = AgCl + Cu(NO{3}){2}
EuH2 + HNO3 = Eu(NO3)3 + NH4NO3 + H2O =>
8 EuH2 + 34 HNO3 = 8 Eu(NO3)3 + 5 NH4NO3 + 15 H2O
ZnI2 + CuCl2 = ZnCl2 + CuI2 =>
ZnI2 + CuCl2 = ZnCl2 + CuI2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Si + O2 = Si4O =>
8 Si + O2 = 2 Si4O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2SO4 + K2Cr2O7 + NaNO2 = H2O + K2SO4 + Na2SO4 + NO2 + Cr2(SO4)3 =>
7 H2SO4 + K2Cr2O7 + 6 NaNO2 = 7 H2O + K2SO4 + 3 Na2SO4 + 6 NO2 + Cr2(SO4)3
Ba(NO3)2 + Na2CrO4 = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3
H2S04 + NaOH = H2O + Na2S + O2 =>
2 H2S04 + 16 NaOH = 10 H2O + 8 Na2S + 3 O2
H3PO4 + H2O = H2PO4{-} + H3O{+} =>
H3PO4 + H2O = H2PO4{-} + H3O{+}
Xyz31A + B = Xyz + XyzAB =>
Xyz31A + B = 30 Xyz + XyzAB
FeO + O2 = FeO2O =>
FeO + O2 = FeO2O
ClO3{-} + Br{-} + H{+} = BrO3{-} + ClO2 + H2O =>
6 ClO3{-} + Br{-} + 6 H{+} = BrO3{-} + 6 ClO2 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Mg(OH)2 + NaOH = MgNa + H2 + O2 =>
2 Mg(OH)2 + 2 NaOH = 2 MgNa + 3 H2 + 3 O2
CH4 + CI = CH3CI + HCI =>
CH4 + 2 CI = CH3CI + HCI
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
NH4NO3 + Cu = NH3 + Cu(NO3)2 + H2 =>
2 NH4NO3 + Cu = 2 NH3 + Cu(NO3)2 + H2
NiSO4 + C4H8O2N2 = Ni(C4H7O2N2)2 + H2SO4 =>
NiSO4 + 2 C4H8O2N2 = Ni(C4H7O2N2)2 + H2SO4
KMnO4 + H2SO4 + H2C2O4 = CO2 + H2O + KSO + MnSO3 =>
KMnO4 + 2 H2SO4 + 6 H2C2O4 = 12 CO2 + 8 H2O + KSO + MnSO3
NO2 + H2SO4 = HNO3 + SO2 =>
2 NO2 + H2SO4 = 2 HNO3 + SO2
Co3O4 + Al = Co + Al2O3 =>
3 Co3O4 + 8 Al = 9 Co + 4 Al2O3
NH3(g) + ClF3(g) = HF(g) + N2(g) + Cl2(g) =>
2 NH3(g) + 2 ClF3(g) = 6 HF(g) + N2(g) + Cl2(g)
Na + N2 = Na3N = =>
6 Na + N2 = 2 Na3N
Cu(OH)2 + NH4OH = Cu(NH3)4{2+} + OH{-} + H2O =>
Cu(OH)2 + 4 NH4OH = Cu(NH3)4{2+} + 2 OH{-} + 4 H2O
Cu{2+} + Cr(OH)3 + OH{-} = CrO4{2-} + Cu{+} + H{+} =>
3 Cu{2+} + Cr(OH)3 + OH{-} = CrO4{2-} + 3 Cu{+} + 4 H{+}
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
CuS + CaI2 = CuI2 + CaS =>
CuS + CaI2 = CuI2 + CaS
CH4ONa = CH2ONaH2 =>
CH4ONa = CH2ONaH2
Na2SO3 + PbSO4 = Na2SO4 + PbSO3 =>
Na2SO3 + PbSO4 = Na2SO4 + PbSO3
NO2 + H2SO4 = HNO3 + SO2 =>
2 NO2 + H2SO4 = 2 HNO3 + SO2
Fe3O4 + C2 = Fe + CO =>
Fe3O4 + 2 C2 = 3 Fe + 4 CO
H2O + MnCl2 = HCl + MnO =>
H2O + MnCl2 = 2 HCl + MnO
KHSO4 + (NH4)2SO4 = K2SO4 + (NH4)HSO4 =>
2 KHSO4 + (NH4)2SO4 = K2SO4 + 2(NH4)HSO4
H2SO4 + BrCl2 = BrSO4 + HCl =>
H2SO4 + BrCl2 = BrSO4 + 2 HCl
CaBr2 + Na2S = Ca2S2 + NaBr =>
2 CaBr2 + 2 Na2S = Ca2S2 + 4 NaBr
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