| Équations équilibrées la veille |
2 SO(g) + H2O(l) = H2S2O3(aq)
PbO + SO + H = PbSO + HO =>
PbO + SO + H = PbSO + HO
NaHCO3 + Ba(OH)2 = BaCO3 + H2O + Na2CO3 =>
2 NaHCO3 + Ba(OH)2 = BaCO3 + 2 H2O + Na2CO3
K3Fe(SCN)6 + NaF = K3[FeF6] + NaSCN =>
K3Fe(SCN)6 + 6 NaF = K3[FeF6] + 6 NaSCN
Ca(OH)2 + H2O = H3O + CaO2H =>
Ca(OH)2 + H2O = H3O + CaO2H
MgBr2 + F2 = MgF2 + Br2 =>
MgBr2 + F2 = MgF2 + Br2
Mn(NO3)2 + XeF4 + H2O = HMnO4 + Xe + NO2 + HF =>
4 Mn(NO3)2 + 3 XeF4 + 8 H2O = 4 HMnO4 + 3 Xe + 8 NO2 + 12 HF
CaCl2 + KHCO3 = CaCO3 + KCl + HCl =>
CaCl2 + KHCO3 = CaCO3 + KCl + HCl
Zn + Cr(NO3)3 = Cr + Zn(NO3)3 =>
Zn + Cr(NO3)3 = Cr + Zn(NO3)3
NH4Cl(s) = NH4Cl(aq) =>
NH4Cl(s) = NH4Cl(aq)
Fe(ClO2)3 + K2CO3 = Fe2(CO3)3 + KClO2 =>
2 Fe(ClO2)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KClO2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
MgSO4 + HCl = MgCl2 + H2SO4 =>
MgSO4 + 2 HCl = MgCl2 + H2SO4
KCl + F2 = KF + Cl2 =>
2 KCl + F2 = 2 KF + Cl2
KNO3(s) + S(s) + C(s) = CO2(g) + K2S(s) + N2(g) =>
2 KNO3(s) + S(s) + 3 C(s) = 3 CO2(g) + K2S(s) + N2(g)
MgSO4 + HCl = MgCl2 + H2SO4 =>
MgSO4 + 2 HCl = MgCl2 + H2SO4
Al(OH)4{-} + H2SO4 = Al(OH)3 + H2O + SO4{-2} =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4{-2}
MgSO4 + HCl = MgCl2 + H2SO4 =>
MgSO4 + 2 HCl = MgCl2 + H2SO4
BaI2 + AgNO3 = AgI + Ba + NO3 =>
BaI2 + 2 AgNO3 = 2 AgI + Ba + 2 NO3
KCl + F2 = KF + Cl2 =>
2 KCl + F2 = 2 KF + Cl2
HNO3 + Hg = Hg(NO3) + NH3 + H2O =>
9 HNO3 + 8 Hg = 8 Hg(NO3) + NH3 + 3 H2O
H2SO4 + PbO = SO2 + PbO2 + H2O =>
H2SO4 + PbO = SO2 + PbO2 + H2O
CO2(g) + H2O(l) = C6H12O6(l) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(l) + 6 O2(g)
Cr + C12 = CrC13 =>
12 Cr + 13 C12 = 12 CrC13
MgCl2 + Sr(OH)2 = SrCl2 + Mg(OH)2 =>
MgCl2 + Sr(OH)2 = SrCl2 + Mg(OH)2
H2(g) = H(g) =>
H2(g) = 2 H(g)
HSO4 + KOH = HOH + KSO4 =>
HSO4 + KOH = HOH + KSO4
Fe + NaCl + K3[Fe(CN)6] = KFe[Fe(CN)6] + KCl + NaCN =>
Fe + 12 NaCl + 5 K3[Fe(CN)6] = 3 KFe[Fe(CN)6] + 12 KCl + 12 NaCN
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
K2CrO4 + H2O2 = H2O + K2CrO7 =>
K2CrO4 + 3 H2O2 = 3 H2O + K2CrO7
Na2CO3 + Na(OH)2 = NaOH + CO3 =>
Na2CO3 + 2 Na(OH)2 = 4 NaOH + CO3
Li + NiBr2 = LiBr + Ni =>
2 Li + NiBr2 = 2 LiBr + Ni
C3H6O + O2(g) = CO2 + H2O =>
C3H6O + 4 O2(g) = 3 CO2 + 3 H2O
NaCH3COO + CuSO4 = Na2SO4 + Cu(CH3COO)2 =>
2 NaCH3COO + CuSO4 = Na2SO4 + Cu(CH3COO)2
Ni + C4H8N2O2 = Ni(C4H8N2O2)2 =>
Ni + 2 C4H8N2O2 = Ni(C4H8N2O2)2
Ca(OH)2 + H2O = H3O + CaO2H =>
Ca(OH)2 + H2O = H3O + CaO2H
HNO3 + (NH4)2CO3 = (NH4)NO3 + CO2 + H2O =>
2 HNO3 + (NH4)2CO3 = 2(NH4)NO3 + CO2 + H2O
CaCl2*2H2O + K2C2O4*H2O = CaC2O4 + KCl + H2O =>
CaCl2*2H2O + K2C2O4*H2O = CaC2O4 + 2 KCl + 3 H2O
CH3COOH + HBr = CH3COOBr + H2 =>
CH3COOH + HBr = CH3COOBr + H2
CH + NCl = CCl + N + H =>
CH + NCl = CCl + N + H
Al + ACl = AlCl3 + A3 =>
Al + 3 ACl = AlCl3 + A3
SbH3 + Ag2SO4 = Sb + Ag + H2SO4 =>
2 SbH3 + 3 Ag2SO4 = 2 Sb + 6 Ag + 3 H2SO4
SiH4 = Si + H2 =>
SiH4 = Si + 2 H2
AgNO3 + OH = Ag2O + H2O + NO3 =>
2 AgNO3 + 2 OH = Ag2O + H2O + 2 NO3
Si + F2 = Si2F4 =>
2 Si + 2 F2 = Si2F4
K2Cr2O7 + H2SO4 + K2SO3 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 K2SO3 = Cr2(SO4)3 + 4 K2SO4 + 4 H2O
(Ca)3 + ZnCO3 = CaCO3 + Zn =>
(Ca)3 + 3 ZnCO3 = 3 CaCO3 + 3 Zn
HCOOH = HCO + OH =>
HCOOH = HCO + OH
Na2[Zn(OH)4] + H2S = ZnS + Na2S + H2O =>
Na2[Zn(OH)4] + 2 H2S = ZnS + Na2S + 4 H2O
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
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