| Équations équilibrées la veille |
2 CN{-} + MnO4 = 2 OCN{-} + MnO2
OH = OH2O =>
2 OH = OH2O
C6H12 + O2 = H2O + H2C6H8O4 =>
2 C6H12 + 5 O2 = 2 H2O + 2 H2C6H8O4
OH = H2O2 =>
2 OH = H2O2
NaSO4 + HNO3 = HSO4 + NaNO3 =>
NaSO4 + HNO3 = HSO4 + NaNO3
MgCl2(aq) + Na2CO3(aq) = NaCl + MgCO3 =>
MgCl2(aq) + Na2CO3(aq) = 2 NaCl + MgCO3
RbClO3 + KMnO4 = RbMnO4 + KClO3 =>
RbClO3 + KMnO4 = RbMnO4 + KClO3
NaCl + K3[Fe(CN)6] = NaCN + K3FeCl6 =>
6 NaCl + K3[Fe(CN)6] = 6 NaCN + K3FeCl6
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
HClO4 + H2O = H3O + ClO4 =>
HClO4 + H2O = H3O + ClO4
Na(s) + S(s) = Na2S =>
2 Na(s) + S(s) = Na2S
Sn(OH)4 + OH = Sn(OH)6 =>
Sn(OH)4 + 2 OH = Sn(OH)6
CaCl2(aq) + AgNO3(aq) = CaNO3(aq) + AgCl2(aq) =>
CaCl2(aq) + AgNO3(aq) = CaNO3(aq) + AgCl2(aq)
Na2S + ZnSO4 = Na2SO4 + SZn =>
Na2S + ZnSO4 = Na2SO4 + SZn
C6H1026 + Cu(OH)2 = C6H12O6 + H2O + Cu =>
C6H1026 + 513 Cu(OH)2 = C6H12O6 + 1020 H2O + 513 Cu
CH4 + Br2 = CHBr3 + HBr =>
CH4 + 3 Br2 = CHBr3 + 3 HBr
K2S + Cl2 = K2Cl + S =>
2 K2S + Cl2 = 2 K2Cl + 2 S
Ni(CH3COO)2 + SrS = Sr(CH3COO)2 + NiS =>
Ni(CH3COO)2 + SrS = Sr(CH3COO)2 + NiS
CaCl2(aq) + Cs3PO4(aq) = Ca3PO4(aq) + CsCl2(aq) =>
3 CaCl2(aq) + Cs3PO4(aq) = Ca3PO4(aq) + 3 CsCl2(aq)
C + HCl = HCCl =>
C + HCl = HCCl
H{2+}S + CS{2+} + Cu = CuS + CH{4+} =>
H{2+}S + CS{2+} + Cu = CuS + CH{4+}
HCl + NaOH = HOHNaCl =>
HCl + NaOH = HOHNaCl
KBiO3 + KI + H2SO4 = I2 + K2SO4 + BiO + H2O =>
2 KBiO3 + 6 KI + 4 H2SO4 = 3 I2 + 4 K2SO4 + 2 BiO + 4 H2O
CU + HBr = CUBr + H2 =>
2 CU + 2 HBr = 2 CUBr + H2
Al + (NH4)2S = Al2S3 + NH4 =>
2 Al + 3(NH4)2S = Al2S3 + 6 NH4
CaO + HCl = Ca + Cl + H2O =>
CaO + 2 HCl = Ca + 2 Cl + H2O
Hg(NO3)2 + H2 = HgO + N2O + H2O =>
Hg(NO3)2 + 4 H2 = HgO + N2O + 4 H2O
Ba(HS)2 + H2SO4 = BaSO4 + H2S =>
Ba(HS)2 + H2SO4 = BaSO4 + 2 H2S
CuCl2 + H2SO4 = CuSO4Cl2H2 =>
CuCl2 + H2SO4 = CuSO4Cl2H2
C6H5NO2 + HCl + Sn = C6H5NH3Cl + SnCl4 + H2O =>
2 C6H5NO2 + 14 HCl + 3 Sn = 2 C6H5NH3Cl + 3 SnCl4 + 4 H2O
C2H6 + CI2 = C4H9I + HI =>
8 C2H6 + 4 CI2 = 5 C4H9I + 3 HI
Pb(OH)4 + HSbO3 = Pb(SbO3)4 + H2O =>
Pb(OH)4 + 4 HSbO3 = Pb(SbO3)4 + 4 H2O
Mo(OH)6 + K3PO4 = Mo(PO4)2 + KOH =>
Mo(OH)6 + 2 K3PO4 = Mo(PO4)2 + 6 KOH
H2C2O4 + NaOH(aq) = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH(aq) = Na2C2O4 + 2 H2O
PbNO3 + KI = PbI2 + NO3 + K =>
PbNO3 + 2 KI = PbI2 + NO3 + 2 K
MgCl2(aq) + Na2CO3(aq) = NaCl + MgCO3 =>
MgCl2(aq) + Na2CO3(aq) = 2 NaCl + MgCO3
CuOH + MgNO2 = Mg(OH) + CuNO2 =>
CuOH + MgNO2 = Mg(OH) + CuNO2
NaBrO3 + NaCl + HNO3 = Br2 + NaNO3 + Cl2 + H2O =>
2 NaBrO3 + 10 NaCl + 12 HNO3 = Br2 + 12 NaNO3 + 5 Cl2 + 6 H2O
C2H7N + HNO2 = C2H5OH + N2 + H2O =>
C2H7N + HNO2 = C2H5OH + N2 + H2O
Li + Ca + H2O = LiCaH2O =>
Li + Ca + H2O = LiCaH2O
Al(OH)3 + PbS = Pb(OH)2 + Al2S3 =>
2 Al(OH)3 + 3 PbS = 3 Pb(OH)2 + Al2S3
S + NaOH = Na2S + NaSO3 + H2O =>
7 S + 12 NaOH = 5 Na2S + 2 NaSO3 + 6 H2O
Ni(NO3)2(aq) + Na2CrO4(aq) = NiCrO4(s) + NaNO3(aq) =>
Ni(NO3)2(aq) + Na2CrO4(aq) = NiCrO4(s) + 2 NaNO3(aq)
C2Cu2 + HCl = C2H4 + CuCl2 =>
C2Cu2 + 4 HCl = C2H4 + 2 CuCl2
Na2SO4 + KMnO4 = K2SO4 + MnO4 + Na =>
Na2SO4 + 2 KMnO4 = K2SO4 + 2 MnO4 + 2 Na
He + Y + Se + Xe = HeYSeXe =>
He + Y + Se + Xe = HeYSeXe
Mg + O2 + H2O = Mg(OH)2 =>
2 Mg + O2 + 2 H2O = 2 Mg(OH)2
C2H5OH + O2 = CH3OH + CO2 =>
4 C2H5OH + 3 O2 = 6 CH3OH + 2 CO2
HClO3 = ClO2 + O2 + H2O =>
4 HClO3 = 4 ClO2 + O2 + 2 H2O
CO + SO3 = CO2 + SO2 =>
CO + SO3 = CO2 + SO2
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Équations équilibrées sur11/23/24
Équations équilibrées sur12/23/23
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