| Équations équilibrées la veille |
Si + 4 HF = SiF4 + 2 H2
BaCl2(aq) + Al2(SO4)3(aq) = AlCl3(aq) + BaSO4(s) =>
3 BaCl2(aq) + Al2(SO4)3(aq) = 2 AlCl3(aq) + 3 BaSO4(s)
Al + Cr3O = AlO + Cr =>
Al + Cr3O = AlO + 3 Cr
Fe(OH){+} + OH{-} + O2 + (H2O) = Fe(OH)3 =>
4 Fe(OH){+} + 4 OH{-} + O2 + 2(H2O) = 4 Fe(OH)3
CaBr + Cr(NO3)3 = Ca(NO3) + CrBr3 =>
3 CaBr + Cr(NO3)3 = 3 Ca(NO3) + CrBr3
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
CuO + SnO2 = CuSn + O2 =>
2 CuO + 2 SnO2 = 2 CuSn + 3 O2
KSCN + Pb(NO3)2 = K(NO3)2 + PbSCN =>
KSCN + Pb(NO3)2 = K(NO3)2 + PbSCN
CH3CH2COONa + NaOH + CaO = CH3CH2CH3 + Na2CO3 + Ca(OH)2 =>
10 CH3CH2COONa + 8 NaOH + CaO = 7 CH3CH2CH3 + 9 Na2CO3 + Ca(OH)2
*4KClO3 = *4KCl + *3O2 =>
*4KClO3 = *4KCl + 2*3O2
SiO2(s) + H2(g) = H2O + Si =>
SiO2(s) + 2 H2(g) = 2 H2O + Si
Cr(NO3)23 = Cr + NO2 + O2 =>
2 Cr(NO3)23 = 2 Cr + 46 NO2 + 23 O2
HC2H3O2 + NaHO = NaC2H3O2 + H2O =>
HC2H3O2 + NaHO = NaC2H3O2 + H2O
NaOH + HNO2 = H2O + NaNO2 =>
NaOH + HNO2 = H2O + NaNO2
HNO3 + Ca = Ca(NO3)2 + H2O + N2 =>
12 HNO3 + 5 Ca = 5 Ca(NO3)2 + 6 H2O + N2
CH6N2(l) + O2(g) = N2(g) + CO2(g) + H2O(l) =>
2 CH6N2(l) + 5 O2(g) = 2 N2(g) + 2 CO2(g) + 6 H2O(l)
ClO2(g) + CH4(g) = CO2(g) + HCl(g) + H2O(g) =>
8 ClO2(g) + 5 CH4(g) = 5 CO2(g) + 8 HCl(g) + 6 H2O(g)
NaBr + (NH4)2S2O8 = Na2SO4 + Br + (NH4)2SO4 =>
2 NaBr + (NH4)2S2O8 = Na2SO4 + 2 Br + (NH4)2SO4
(MnO4) + (H202) = (Mn2) + (H2O) =>
202(MnO4) + 8(H202) = 101(Mn2) + 808(H2O)
MnCl2 + AgNO3 = Mn(NO3)2 + AgCl =>
MnCl2 + 2 AgNO3 = Mn(NO3)2 + 2 AgCl
CaCl2 + Na2CO3 = NaCl + CaO + CO2 =>
CaCl2 + Na2CO3 = 2 NaCl + CaO + CO2
C8H6Cl2O3 + H2O2 = CO2 + H2O + HCl =>
C8H6Cl2O3 + 15 H2O2 = 8 CO2 + 17 H2O + 2 HCl
M + HNO3 = M(NO3)2 + NO + H2O =>
3 M + 8 HNO3 = 3 M(NO3)2 + 2 NO + 4 H2O
CuCl2 + NaSO3 + H2O = CuCl + NaSO4 + HCl =>
2 CuCl2 + NaSO3 + H2O = 2 CuCl + NaSO4 + 2 HCl
C57H110O6 + HOH = C3H5(OH)3 + C51H105(COOH)3 =>
C57H110O6 + 3 HOH = C3H5(OH)3 + C51H105(COOH)3
C7H10S + O2 = CO2 + H2O + SO2 =>
2 C7H10S + 21 O2 = 14 CO2 + 10 H2O + 2 SO2
S2Cl2 + OCl2 = SOCl2 + Cl2 =>
S2Cl2 + 2 OCl2 = 2 SOCl2 + Cl2
K2O + H3PO4 = H2O + K3PO4 =>
3 K2O + 2 H3PO4 = 3 H2O + 2 K3PO4
C2H5Cl + CH3MgCl = C3H8 + MgCl2 =>
C2H5Cl + CH3MgCl = C3H8 + MgCl2
Bi{3+} + NH3 = Bi(NH3){3+} =>
Bi{3+} + NH3 = Bi(NH3){3+}
CaCO3HCl = CaCHClO3 =>
CaCO3HCl = CaCHClO3
C7H8O + C2H4O2 = C9H10O2 + H2O =>
C7H8O + C2H4O2 = C9H10O2 + H2O
OHCH2CHOHCHOHCHOHCHOOOHCH2OCOHCHOHCHCHCH2OH + O2 = H2O + CO2 =>
4 OHCH2CHOHCHOHCHOHCHOOOHCH2OCOHCHOHCHCHCH2OH + 43 O2 = 42 H2O + 44 CO2
PKCIO3 = PCIO3K =>
PKCIO3 = PCIO3K
K + H2SO4 = K2SO4 + H2S + H2O =>
8 K + 5 H2SO4 = 4 K2SO4 + H2S + 4 H2O
Co(NO3)2 + NH4CNS = (NH4)4[Co(CNS)6] + NH4NO3 =>
Co(NO3)2 + 6 NH4CNS = (NH4)4[Co(CNS)6] + 2 NH4NO3
Pt + O2 = PtO2 =>
Pt + O2 = PtO2
NO + KClO3 + KOH = KNO3 + KCl + H2O =>
2 NO + KClO3 + 2 KOH = 2 KNO3 + KCl + H2O
NaIO3 + H2SO3 = I2 + H2SO4 + Na2SO4 + H2O =>
2 NaIO3 + 5 H2SO3 = I2 + 4 H2SO4 + Na2SO4 + H2O
AgC2H3O2 + Hg(NO3)2 = AgNO3 + Hg(C2H3O2)2 =>
2 AgC2H3O2 + Hg(NO3)2 = 2 AgNO3 + Hg(C2H3O2)2
NaClOH2O = NaClO*H2O =>
NaClOH2O = NaClO*H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
C2H6O + O2 = CO2 + OH =>
2 C2H6O + 9 O2 = 4 CO2 + 12 OH
AgClO3 + LiBr = AgBr + LiClO3 =>
AgClO3 + LiBr = AgBr + LiClO3
Cu5FeS4 + Fe2(SO4)3 = S + CuSO4 + FeSO4 =>
Cu5FeS4 + 6 Fe2(SO4)3 = 4 S + 5 CuSO4 + 13 FeSO4
NaNO2 + NaMnO4 + H2SO4 = NaNO3 + MnSO4 + Na2SO4 + H2O =>
5 NaNO2 + 2 NaMnO4 + 3 H2SO4 = 5 NaNO3 + 2 MnSO4 + Na2SO4 + 3 H2O
C9H8O4 + O2 = CO2 + H2O =>
C9H8O4 + 9 O2 = 9 CO2 + 4 H2O
C6H5NH3Cl + NaOH = NaCl + C6H5NH3OH =>
C6H5NH3Cl + NaOH = NaCl + C6H5NH3OH
Zn(C3H3O2)2 + Na3PO4 = (C3H3O2)Na + Zn3(PO4)2 =>
3 Zn(C3H3O2)2 + 2 Na3PO4 = 6(C3H3O2)Na + Zn3(PO4)2
NH3 + H2O = NH4OH = NH4 + OH =>
NH3 + H2O = NH4OH
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Équations équilibrées sur12/18/24
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