| Équations équilibrées la veille |
Na2CO3 + CO2 + H2O = 2 NaHCO3
AgNO3 + Ca2CO3 = Ag2CO3 + CaNO3 =>
2 AgNO3 + Ca2CO3 = Ag2CO3 + 2 CaNO3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Co + KI = CoI + K =>
Co + KI = CoI + K
Cu + NaNO3 = Cu(NO3)2 + Na =>
Cu + 2 NaNO3 = Cu(NO3)2 + 2 Na
Ag2S + Al + H2O = AlOH + H2S + Ag =>
Ag2S + 2 Al + 2 H2O = 2 AlOH + H2S + 2 Ag
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HfO2 + B4C + C = HfB2 + CO =>
2 HfO2 + B4C + 3 C = 2 HfB2 + 4 CO
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Cu(NO3)2 + NH4(OH) = Cu(OH)2 + NH4(NO3) =>
Cu(NO3)2 + 2 NH4(OH) = Cu(OH)2 + 2 NH4(NO3)
CrO + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
CrO + 2 KNO3 + 2 KOH = K2CrO4 + 2 KNO2 + H2O
H2 + MnO4{-} + H2SO3 = SO4{2-} + Mn{2+} + H2O =>
2 H2 + 2 MnO4{-} + 3 H2SO3 = 3 SO4{2-} + 2 Mn{2+} + 5 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Co(NO3)2 + HCl = CoCl2 + H + NO3 =>
Co(NO3)2 + 2 HCl = CoCl2 + 2 H + 2 NO3
HCHO + H2O = HCOOH + H2 =>
HCHO + H2O = HCOOH + H2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
KNO2(s) + C(s) = K2CO3(s) + CO(g) + N2(g) =>
2 KNO2(s) + 2 C(s) = K2CO3(s) + CO(g) + N2(g)
Na2CO3 + U3O8 + O2 = Na2UO4 + CO2 =>
6 Na2CO3 + 2 U3O8 + O2 = 6 Na2UO4 + 6 CO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
TeO3 + H2O = H6TeO6 =>
TeO3 + 3 H2O = H6TeO6
Na2S + FeCl2 = FeS + NaCl =>
Na2S + FeCl2 = FeS + 2 NaCl
Zn + Pb(NO*3)*2 = Pb + Zn(NO*3)*2 =>
Zn + Pb(NO*3)*2 = Pb + Zn(NO*3)*2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 24 FeSO4 + 16 H2SO4 = Cr2(SO)3 + 12 Fe2(SO4)3 + K2SO4 + 16 H2O
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
FeCl2 + NaOH + H2O2 = Fe(OH)3 + NaCl =>
2 FeCl2 + 4 NaOH + H2O2 = 2 Fe(OH)3 + 4 NaCl
NiCl2 + H2SO4 = NiSO4 + Cl2H2 =>
NiCl2 + H2SO4 = NiSO4 + Cl2H2
Bi(NO3)3 + C2H5NS = Bi2S3 + C2H5N(NO3)2 =>
2 Bi(NO3)3 + 3 C2H5NS = Bi2S3 + 3 C2H5N(NO3)2
Ni + P4 = Ni3P2 =>
6 Ni + P4 = 2 Ni3P2
Na2SO4 + Pb(CH3COO)2 = CH3COONa + PbSO4 =>
Na2SO4 + Pb(CH3COO)2 = 2 CH3COONa + PbSO4
BO + Fe2O3 = FeO + B2O5 =>
2 BO + 3 Fe2O3 = 6 FeO + B2O5
Fe2O3 + C = Fe + O2C =>
2 Fe2O3 + 3 C = 4 Fe + 3 O2C
C9H8O4 + NaOH = C9H7NaO4 + H2O =>
C9H8O4 + NaOH = C9H7NaO4 + H2O
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Ca(OH)2(aq) + NH4Cl(s) = CaCl2(s) + NH3(g) + H2O(l) =>
Ca(OH)2(aq) + 2 NH4Cl(s) = CaCl2(s) + 2 NH3(g) + 2 H2O(l)
H4B2O4 + H2O + O2 = H3BO5 =>
2 H4B2O4 + 2 H2O + 5 O2 = 4 H3BO5
HCl + N2O5 = NO2Cl + HNO3 =>
HCl + N2O5 = NO2Cl + HNO3
CS2 + F = CF4 + S =>
CS2 + 4 F = CF4 + 2 S
PbI4 + Li2O = LiI + PbO2 =>
PbI4 + 2 Li2O = 4 LiI + PbO2
ZnO + SO2 = O + ZnS =>
ZnO + SO2 = 3 O + ZnS
I2 + C12 = IC12 =>
I2 + 2 C12 = 2 IC12
Mn + Co(NO3)2 = Mn(NO3)2 + Co =>
Mn + Co(NO3)2 = Mn(NO3)2 + Co
C2H5COOC2H5 + O2 = CO2 + H2O =>
2 C2H5COOC2H5 + 13 O2 = 10 CO2 + 10 H2O
CaCl2 + Na3C6H5O7 = Ca3(C6H5O7)2 + NaCl =>
3 CaCl2 + 2 Na3C6H5O7 = Ca3(C6H5O7)2 + 6 NaCl
C20H14O4 + H2 = C20H18O4 =>
C20H14O4 + 2 H2 = C20H18O4
Cu + Hg(NO3)2 = Hg + Cu(NO3)2 =>
Cu + Hg(NO3)2 = Hg + Cu(NO3)2
BaCl2 + I2 = BaI2 + Cl2 =>
BaCl2 + I2 = BaI2 + Cl2
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
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