| Équations équilibrées la veille |
3 K2CO3 + 2 C6H8O7 = 2 K3C6H5O7 + 3 CO2 + 3 H2O
Na2S(aq) + H2O(l) = NaOH(aq) + H2S(g) =>
Na2S(aq) + 2 H2O(l) = 2 NaOH(aq) + H2S(g)
NaCl + K2CrO4 = Na2O + Cr2O3 + KCl + Cl2 =>
10 NaCl + 2 K2CrO4 = 5 Na2O + Cr2O3 + 4 KCl + 3 Cl2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
FeBr3 + HNO3 = Fe(NO3)3 + HBr =>
FeBr3 + 3 HNO3 = Fe(NO3)3 + 3 HBr
C2H6O + C3H6O = C5H12O2 =>
C2H6O + C3H6O = C5H12O2
SrCl2 + H2O = Sr(OH)2 + Cl2 + H2 =>
SrCl2 + 2 H2O = Sr(OH)2 + Cl2 + H2
LiOH + HCI = LiCI + H2O =>
LiOH + HCI = LiCI + H2O
N2H4(l) + N2O4(l) = N2(g) + H2O(g) =>
2 N2H4(l) + N2O4(l) = 3 N2(g) + 4 H2O(g)
KClO4(s) = KClO3(s) + O2(g) =>
2 KClO4(s) = 2 KClO3(s) + O2(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
HgS + HgSO4 = Hg + SO2 =>
HgS + HgSO4 = 2 Hg + 2 SO2
CH4N2O + C6H8O7 + C2H5OH = C4H9NO2 + H2O =>
6 CH4N2O + 2 C6H8O7 + 15 C2H5OH = 12 C4H9NO2 + 11 H2O
HF(aq) + Ca(OH)2(aq) = CaF2(s) + H2O(l) =>
2 HF(aq) + Ca(OH)2(aq) = CaF2(s) + 2 H2O(l)
FeCl3(aq) + Na2CO3(aq) = Fe2(CO3)3(aq) + NaCl(aq) =>
2 FeCl3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3(aq) + 6 NaCl(aq)
Au + S = AuS =>
Au + S = AuS
Fe2O3 + H2S = Fe2S3 + H2O =>
Fe2O3 + 3 H2S = Fe2S3 + 3 H2O
CH3CH2OH + CrO3 = CH3CHO + CrO + H2O =>
2 CH3CH2OH + CrO3 = 2 CH3CHO + CrO + 2 H2O
NH3(g) + H2SO4(l) = (NH4)2SO4(aq) =>
2 NH3(g) + H2SO4(l) = (NH4)2SO4(aq)
NaClO + Na2S2O3 + H2O = Na2SO4 + NaCl + HCl =>
4 NaClO + Na2S2O3 + H2O = 2 Na2SO4 + 2 NaCl + 2 HCl
C7H14O2(l) + O2(g) = CO2(g) + H2O(l) =>
2 C7H14O2(l) + 19 O2(g) = 14 CO2(g) + 14 H2O(l)
VO + H = V3O + H2O =>
3 VO + 4 H = V3O + 2 H2O
K + Cr + O = K2CrO4 =>
2 K + Cr + 4 O = K2CrO4
C6H5Cl + CH3Cl + Na = C7H8 + NaCl =>
C6H5Cl + CH3Cl + 2 Na = C7H8 + 2 NaCl
Ag(OH)2 = AgO + H2O =>
Ag(OH)2 = AgO + H2O
K2Cr2O7 + NH4OH = K2CrO4 + (NH4)2CrO4 + H2O =>
K2Cr2O7 + 2 NH4OH = K2CrO4 + (NH4)2CrO4 + H2O
Hg2SO4 = Hg + SO4 =>
Hg2SO4 = 2 Hg + SO4
ClO{-} + SO3{-2} = Cl{-} + SO4{-2} =>
ClO{-} + SO3{-2} = Cl{-} + SO4{-2}
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
NaF + CuSO4 = Na2SO4 + CuF2 =>
2 NaF + CuSO4 = Na2SO4 + CuF2
C2 + H2O = CO + H2 =>
C2 + 2 H2O = 2 CO + 2 H2
KH + CO2 = CH4 + K2O =>
4 KH + CO2 = CH4 + 2 K2O
Br + O2 = BrO2 =>
Br + O2 = BrO2
CaCO3(s) + HCl(aq) = H2O(l)CO2(g)CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l)CO2(g)CaCl2(aq)
Br + NaOH = NaBr + NaBrO3 + H2O =>
6 Br + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
NaBrO3 + FeSO4 + H2SO4 = NaBr + Fe2(SO4)3 + H2O =>
NaBrO3 + 6 FeSO4 + 3 H2SO4 = NaBr + 3 Fe2(SO4)3 + 3 H2O
Sr(C2H3O2)2 + (NH4)2CO3 = SrCO3 + NH4(C2H3O2) =>
Sr(C2H3O2)2 + (NH4)2CO3 = SrCO3 + 2 NH4(C2H3O2)
B2Br3 + HNO3 = B2(NO3)3 + HBr =>
B2Br3 + 3 HNO3 = B2(NO3)3 + 3 HBr
CHS + O2 = H2O + CO2 + S =>
4 CHS + 5 O2 = 2 H2O + 4 CO2 + 4 S
H2SO4 + Mg(C2H3O2)2 = HC2H3O2 + MgSO4 =>
H2SO4 + Mg(C2H3O2)2 = 2 HC2H3O2 + MgSO4
Na + Si + O2 = Na2SiO4 =>
2 Na + Si + 2 O2 = Na2SiO4
C6H5CHO + Ag(NH3)2OH = Ag + C6H5COOH + NH3 + H2O =>
C6H5CHO + 2 Ag(NH3)2OH = 2 Ag + C6H5COOH + 4 NH3 + H2O
FeO + SiO2 = FeSiO3 =>
FeO + SiO2 = FeSiO3
C14H2O + O2 = CO2 + H2O =>
C14H2O + 14 O2 = 14 CO2 + H2O
Fe(SO4) + K(MnO4) + H2SO4 = Fe2(SO4)3 + Mn(SO4) + K2(SO4) + H2O =>
10 Fe(SO4) + 2 K(MnO4) + 8 H2SO4 = 5 Fe2(SO4)3 + 2 Mn(SO4) + K2(SO4) + 8 H2O
Si + O2 = SiO2 =>
Si + O2 = SiO2
SO2 + KMnO4 + H2O = K2SO + MnSO4 + H2SO4 =>
8 SO2 + 2 KMnO4 + 5 H2O = K2SO + 2 MnSO4 + 5 H2SO4
Na[Al(OH)4] + H2O = Na[Al(OH)4H2O] =>
Na[Al(OH)4] + H2O = Na[Al(OH)4H2O]
K + Cl2 = K(Cl)2 =>
K + Cl2 = K(Cl)2
FeO + SiO2 = FeSiO3 =>
FeO + SiO2 = FeSiO3
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