| Équations équilibrées la veille |
ZnO + NaCl = NaO + ZnCl
SO2Cl2 + KMnO4 + H2O = MnSO4 + K2SO4 + Cl2 + H2SO4 =>
5 SO2Cl2 + 2 KMnO4 + 2 H2O = 2 MnSO4 + K2SO4 + 5 Cl2 + 2 H2SO4
CaI2(aq) + Br2(l) = CaBr2(aq) + I2(s) =>
CaI2(aq) + Br2(l) = CaBr2(aq) + I2(s)
NaHCO3*HCl = NaCl + H2O + CO2 =>
NaHCO3*HCl = NaCl + H2O + CO2
Mn + NaBiO3 = Bi + MnO4 + Na =>
3 Mn + 4 NaBiO3 = 4 Bi + 3 MnO4 + 4 Na
CO(NH2)2(s) + O2(g) = N2(g) + CO2(g) + H2O(l) =>
2 CO(NH2)2(s) + 3 O2(g) = 2 N2(g) + 2 CO2(g) + 4 H2O(l)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaOH + HCl + AgNO3 = AgCl + NaNO3 + H2O =>
NaOH + HCl + AgNO3 = AgCl + NaNO3 + H2O
NH3 + FeO = Fe + H2O + N2 =>
2 NH3 + 3 FeO = 3 Fe + 3 H2O + N2
Br2 + NaI(aq) = NaBr + I2 =>
Br2 + 2 NaI(aq) = 2 NaBr + I2
Ga(NO3)3 + Na2CO3 = Ga2(CO3)3 + NaNO3 =>
2 Ga(NO3)3 + 3 Na2CO3 = Ga2(CO3)3 + 6 NaNO3
PbNO3 + K2SO4 = K2NO3 + PbSO4 =>
PbNO3 + K2SO4 = K2NO3 + PbSO4
HCl + Fe(OH)3 = FeCl3 + H2O =>
3 HCl + Fe(OH)3 = FeCl3 + 3 H2O
Ca(OH)2 + CH3COOH = Ca(CH3COO)2 + H2O =>
Ca(OH)2 + 2 CH3COOH = Ca(CH3COO)2 + 2 H2O
KMnO4 + H2S + H2SO4 = MnSO4 + K2SO4 + H2O = S =>
8 KMnO4 + 5 H2S + 7 H2SO4 = 8 MnSO4 + 4 K2SO4 + 12 H2O
Li2O + H3PO4 = Li2HPO4 + H2O =>
Li2O + H3PO4 = Li2HPO4 + H2O
AgBr = Ag + Br =>
AgBr = Ag + Br
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C6H6 + Fe(OH)3 + H{+} = Fe2{+} + CO2 + H2O =>
C6H6 + 12 Fe(OH)3 + 6 H{+} = 6 Fe2{+} + 6 CO2 + 24 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Ca(NO3)2(aq) + NaI(aq) = CaI2(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaI(aq) = CaI2(s) + 2 NaNO3(aq)
H2SO4 + BaCl2 = BaSO4 + H2Cl2 =>
H2SO4 + BaCl2 = BaSO4 + H2Cl2
AgBr = Ag + Br =>
AgBr = Ag + Br
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
NaOH + HNO3 = H2O + NaNO3 =>
NaOH + HNO3 = H2O + NaNO3
Mg(OH)2 + H2O = MgH2 + H2O2 =>
Mg(OH)2 + 2 H2O = MgH2 + 2 H2O2
Zn + Br2 = Zn(Br2)2 =>
Zn + 2 Br2 = Zn(Br2)2
Si + O2 = SiO2 =>
Si + O2 = SiO2
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
NaOCl + NaCl + H2O = Cl2 + NaOH =>
NaOCl + NaCl + H2O = Cl2 + 2 NaOH
O3 = O0 =>
O3 = 3 O0
TiO2 + Cl2 + C = TiCl4 + CO2 =>
TiO2 + 2 Cl2 + C = TiCl4 + CO2
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
CH3CHCHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3CHCHCH2 + 5 KMnO4 + 19 H2O = 5 MnO2 + 12 CH3CH(OH)CH2(OH) + 5 KOH
H2SO4 + CU(OH)2 = CUSO4 + H2O =>
H2SO4 + CU(OH)2 = CUSO4 + 2 H2O
Na3CrO2 + Cl2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na3CrO2 + 5 Cl2 + 8 NaOH = 2 Na2CrO4 + 10 NaCl + 4 H2O
Cr + Sn4Cl2 = Cr3Cl2 + Sn =>
3 Cr + Sn4Cl2 = Cr3Cl2 + 4 Sn
Zn + HBrO3 = ZnBr + H2O + O2 =>
4 Zn + 4 HBrO3 = 4 ZnBr + 2 H2O + 5 O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2C5H6O4(aq) + NaHCO3(s) = CO2(g) + H2O(l) + Na2C5H6O4(aq) =>
H2C5H6O4(aq) + 2 NaHCO3(s) = 2 CO2(g) + 2 H2O(l) + Na2C5H6O4(aq)
Cl2O7 + H2O2 = ClO2{-} + O2 + H{+} =>
2 Cl2O7 + 2 H2O2 = 4 ClO2{-} + 5 O2 + 4 H{+}
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HBr + Hg2(NO3)2 = H(NO3)2 + Hg2Br =>
HBr + Hg2(NO3)2 = H(NO3)2 + Hg2Br
Si + O2 = SiO =>
2 Si + O2 = 2 SiO
ZnO2 + CaSi2 = CaO + SiO2 + Zn =>
5 ZnO2 + 2 CaSi2 = 2 CaO + 4 SiO2 + 5 Zn
Cu2S + HNO3 = Cu(NO3)2 + NO + H2SO4 + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 10 NO + 3 H2SO4 + 8 H2O
FeS + H2O + O2 = Fe2O3 + H2SO4 =>
4 FeS + 4 H2O + 9 O2 = 2 Fe2O3 + 4 H2SO4
CaCl2 + NH4Cl + K4(Fe(CN)6) = Ca(NH4)2(Fe(CN)6) + KCl =>
CaCl2 + 2 NH4Cl + K4(Fe(CN)6) = Ca(NH4)2(Fe(CN)6) + 4 KCl
CaO = Ca + O2 =>
2 CaO = 2 Ca + O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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