| Équations équilibrées la veille |
CH4 + 2 O2 = CO2 + 2 H2O
SNS2(s) + O2(g) = SNO2(s) + SO2(g) =>
SNS2(s) + 3 O2(g) = SNO2(s) + 2 SO2(g)
C6H5COOH + NH4OH = C6H5CONH2 + H2O =>
C6H5COOH + NH4OH = C6H5CONH2 + 2 H2O
(NH4)2S + O2 = NH3 + SO2 + H2O =>
2(NH4)2S + 3 O2 = 4 NH3 + 2 SO2 + 2 H2O
Li(HCO3) = Li2CO3 + CO2 + H2O =>
2 Li(HCO3) = Li2CO3 + CO2 + H2O
NaHCO3 = Na2CO3CO2 + H2O =>
2 NaHCO3 = Na2CO3CO2 + H2O
Cr2O7{2-} + HNO2 + H{+} = Cr{3+} + HNO3 + H2O =>
Cr2O7{2-} + 3 HNO2 + 8 H{+} = 2 Cr{3+} + 3 HNO3 + 4 H2O
Co + Cr = CoCr =>
Co + Cr = CoCr
AgNO3 + H2O = AgOH + HNO3 =>
AgNO3 + H2O = AgOH + HNO3
Mg(s) + H2SO4(l) = MgSO4(s) + H2(g) =>
Mg(s) + H2SO4(l) = MgSO4(s) + H2(g)
SrH2 + H2O = Sr(OH)2 + H2 =>
SrH2 + 2 H2O = Sr(OH)2 + 2 H2
Ag + Hg(NO3)2 = Hg + Ag(NO3) =>
2 Ag + Hg(NO3)2 = Hg + 2 Ag(NO3)
Co + H2SO4 = Co(SO4)2 + H2 =>
Co + 2 H2SO4 = Co(SO4)2 + 2 H2
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)2 + H2O =>
2 CH3CH2OH + K2Cr2O7 + 3 H2SO4 = 2 CH3COOH + K2SO4 + Cr2(SO4)2 + 5 H2O
Zn + (NH4)2WO4 + HCl = (WO2)2WO4 + ZnCl2 + NH4Cl + H2O =>
Zn + 3(NH4)2WO4 + 8 HCl = (WO2)2WO4 + ZnCl2 + 6 NH4Cl + 4 H2O
C2H19NO4 + O2 = HNO3 + CO2 + H2O =>
C2H19NO4 + 6 O2 = HNO3 + 2 CO2 + 9 H2O
Ba{+2} + SO4{-2} = BaSO4 =>
Ba{+2} + SO4{-2} = BaSO4
Fe + CO = Fe(CO)6 =>
Fe + 6 CO = Fe(CO)6
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
K2Cr2O7 + BaCl2 + H2O = BaCrO4 + KCl + HCl =>
K2Cr2O7 + 2 BaCl2 + H2O = 2 BaCrO4 + 2 KCl + 2 HCl
NH3(g) + O2(g) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
Sr(NO3)2 + K2S = SrS + K(NO3) =>
Sr(NO3)2 + K2S = SrS + 2 K(NO3)
FeCO3 + CH3COOH = Fe(C2H3O2)2 + CO2 + H2O =>
FeCO3 + 2 CH3COOH = Fe(C2H3O2)2 + CO2 + H2O
SO3{2-} + H2O = SO4{2-} + H{+} + e =>
SO3{2-} + H2O = SO4{2-} + 2 H{+} + 2e
Ba(OH)2 + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2 + 2 NH4SCN = Ba(SCN)2 + 2 H2O + 2 NH3
H3PO4 + NH4 = (NH4)3PO4 + H2 =>
2 H3PO4 + 6 NH4 = 2(NH4)3PO4 + 3 H2
Fe(NO3)3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K(NO3) =>
4 Fe(NO3)3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 K(NO3)
Cl2 + CaI = CaCl2 + I2 =>
2 Cl2 + 2 CaI = 2 CaCl2 + I2
H2OCO2 = H2CO3 =>
H2OCO2 = H2CO3
ZnCl2 + NH3 = Zn(NH3)2Cl2 =>
ZnCl2 + 2 NH3 = Zn(NH3)2Cl2
NaOH(aq) + Cl2(aq) = NaCl(aq) + NaClO(aq) + H2O(l) =>
2 NaOH(aq) + Cl2(aq) = NaCl(aq) + NaClO(aq) + H2O(l)
NaBiO3 + HCl = BiCl3 + O2 + NaCl + H2O =>
2 NaBiO3 + 8 HCl = 2 BiCl3 + O2 + 2 NaCl + 4 H2O
Na + I = NaI =>
Na + I = NaI
Fe + NaCl = FeCl2 + Na =>
Fe + 2 NaCl = FeCl2 + 2 Na
C10H8O + NaOH = NaC10H7O + H2O =>
C10H8O + NaOH = NaC10H7O + H2O
FeCl3 + Na2SO4 = Fe2(SO4)3 + NaCl =>
2 FeCl3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaCl
Sb + HNO3 + HCl = SbCl3 + NO + H2O =>
Sb + HNO3 + 3 HCl = SbCl3 + NO + 2 H2O
CuFeS2(s) + O2(g) = Cu(s) + FeO(s) + SO2(g) =>
2 CuFeS2(s) + 5 O2(g) = 2 Cu(s) + 2 FeO(s) + 4 SO2(g)
HNO3 + H2 = NH2OH + H2O =>
HNO3 + 3 H2 = NH2OH + 2 H2O
NaOCH3 + H2O = NaOH + CH4O =>
NaOCH3 + H2O = NaOH + CH4O
HCl + NH4(OH) = NH4(Cl) + H2O =>
HCl + NH4(OH) = NH4(Cl) + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaSO4 + NaCl = BaCl2 + Na2SO4 =>
BaSO4 + 2 NaCl = BaCl2 + Na2SO4
C2H4O2 + H2 = C4H8O2 + H2O =>
2 C2H4O2 + 2 H2 = C4H8O2 + 2 H2O
CH3CH2OH + CrO3 = CH3CHO + CrO + H2O =>
2 CH3CH2OH + CrO3 = 2 CH3CHO + CrO + 2 H2O
H2SO4(aq) + V2O3(s) = V2(SO4)3(s) + H2O =>
3 H2SO4(aq) + V2O3(s) = V2(SO4)3(s) + 3 H2O
MnCl2 + HBr = MnBr2 + HCl =>
MnCl2 + 2 HBr = MnBr2 + 2 HCl
H2SO4 + CO2 = H2CO3 + SO3 =>
H2SO4 + CO2 = H2CO3 + SO3
Pb + KOH = PbO + K + H2O =>
Pb + 2 KOH = PbO + 2 K + H2O
NiCl2 + HCl = NiH + Cl2 =>
2 NiCl2 + 2 HCl = 2 NiH + 3 Cl2
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