| Équations équilibrées la veille |
2 Fe + 6 HC2H3O2 = 2 Fe(C2H3O2)3 + 3 H2
Fe3P + HNO3 = Fe(NO3)3 + H2P04 + NO2 + H2O =>
4 Fe3P + 70 HNO3 = 12 Fe(NO3)3 + H2P04 + 34 NO2 + 34 H2O
Na3PO4 + SnBr = Sn2PO4 + Na3Br2 =>
Na3PO4 + 2 SnBr = Sn2PO4 + Na3Br2
Cu2S + H{+} + NO3{-} = Cu{2+} + NO + H2O + S =>
3 Cu2S + 16 H{+} + 4 NO3{-} = 6 Cu{2+} + 4 NO + 8 H2O + 3 S
C22H46 + CuO = CO2 + H2O + Cu =>
C22H46 + 67 CuO = 22 CO2 + 23 H2O + 67 Cu
Pb + SnCl2 = PbCl2 + Sn =>
Pb + SnCl2 = PbCl2 + Sn
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Na2O2 + F2 = Na2F2 + O2 =>
Na2O2 + F2 = Na2F2 + O2
K2SO4 + HCl = SO3 + KCl + H2O =>
K2SO4 + 2 HCl = SO3 + 2 KCl + H2O
CaCl2 + Zn(NO3)2 = Ca(NO3)2 + Cl + Zn =>
CaCl2 + Zn(NO3)2 = Ca(NO3)2 + 2 Cl + Zn
NaOH + AlCl = NaCl + AlOH =>
NaOH + AlCl = NaCl + AlOH
K2HPO4 + NaOH = K + PO4 + Na + H2O =>
K2HPO4 + NaOH = 2 K + PO4 + Na + H2O
CdCl2 + CH3Li = LiCl + C2H6Cd =>
CdCl2 + 2 CH3Li = 2 LiCl + C2H6Cd
H2C2O4 + HNO2 = CO2 + NO + H2O =>
H2C2O4 + 2 HNO2 = 2 CO2 + 2 NO + 2 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Na2SO3 + KNO2 + H2SO4 = NO + Na2SO4 + K2SO4 + H2O =>
Na2SO3 + 2 KNO2 + H2SO4 = 2 NO + Na2SO4 + K2SO4 + H2O
(COOH)2 + NaOH = H2O + NaCOO =>
(COOH)2 + 2 NaOH = 2 H2O + 2 NaCOO
Al + Pb(No3)4 = Al(No3) + Pb =>
4 Al + Pb(No3)4 = 4 Al(No3) + Pb
H3PO3(s) = P2O3 + H2O =>
2 H3PO3(s) = P2O3 + 3 H2O
NaNO2(aq) + HSO3NH2(aq) = N2(g) + NaHSO4(aq) + H2O(l) =>
NaNO2(aq) + HSO3NH2(aq) = N2(g) + NaHSO4(aq) + H2O(l)
C9H18O2 + O2 = CO2 + H2O =>
2 C9H18O2 + 25 O2 = 18 CO2 + 18 H2O
BaCl2 + Ca(OH)2 = Ba(OH)2 + CaCl2 =>
BaCl2 + Ca(OH)2 = Ba(OH)2 + CaCl2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
FeCl2 + CaO = FeO + CaCl2 =>
FeCl2 + CaO = FeO + CaCl2
NH4NO3 + Ca(OH)2 = NH4OH + Ca(NO3)2 =>
2 NH4NO3 + Ca(OH)2 = 2 NH4OH + Ca(NO3)2
HSO3 + NH4OH = NH4SO3 + H2O =>
HSO3 + NH4OH = NH4SO3 + H2O
HF + SiO2 = HO2 + SiF =>
HF + SiO2 = HO2 + SiF
NaOCl + KI = KCl + NaOI =>
NaOCl + KI = KCl + NaOI
Ca(ClO)2 + NaI + HCl = I2 + CaCl2 + NaCl + H2O =>
Ca(ClO)2 + 4 NaI + 4 HCl = 2 I2 + CaCl2 + 4 NaCl + 2 H2O
Co(OH)3 + H2CO2 = Co2(CO2)3 + H2O =>
2 Co(OH)3 + 3 H2CO2 = Co2(CO2)3 + 6 H2O
Sn + HF = SnF4 + H =>
Sn + 4 HF = SnF4 + 4 H
X2 = X =>
X2 = 2 X
ZnO + Pb(NO3)4 = Zn(NO3)2 + PbO2 =>
2 ZnO + Pb(NO3)4 = 2 Zn(NO3)2 + PbO2
Ca(HSO3)2 + HCl = CaCl2 + SO2 + H2O =>
Ca(HSO3)2 + 2 HCl = CaCl2 + 2 SO2 + 2 H2O
CH5NBCl3 = Cl2H6N2C2B2 + HCl =>
2 CH5NBCl3 = Cl2H6N2C2B2 + 4 HCl
LiCl + NaNo3 = LiNo3 + NaCl =>
LiCl + NaNo3 = LiNo3 + NaCl
CuSO4 + KI = K2SO4 + CuI + I2 =>
2 CuSO4 + 4 KI = 2 K2SO4 + 2 CuI + I2
RCHO + Ag(NH3)2OH = Ag + RCOONH4 + NH3 + H2O =>
RCHO + 2 Ag(NH3)2OH = 2 Ag + RCOONH4 + 3 NH3 + H2O
Ti + O2 = TiO =>
2 Ti + O2 = 2 TiO
NaNO3 + Ag2SO4 = Na2SO4 + NO3Ag =>
2 NaNO3 + Ag2SO4 = Na2SO4 + 2 NO3Ag
KMnO4 + C2H2OH + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
18 KMnO4 + 10 C2H2OH + 27 H2SO4 = 9 K2SO4 + 18 MnSO4 + 20 CO2 + 42 H2O
NaHCO2 + C6H8O7 + CO2 = H2O + NaC6H5O7 =>
9 NaHCO2 + 7 C6H8O7 + 3 CO2 = 10 H2O + 9 NaC6H5O7
FeS + HC1 = FeC2 + H2S =>
FeS + 2 HC1 = FeC2 + H2S
SH2 + SO2 = OH2 + S =>
2 SH2 + SO2 = 2 OH2 + 3 S
Mg3N2(s) + H2O(l) = NH3 + Mg(OH)2(s) =>
Mg3N2(s) + 6 H2O(l) = 2 NH3 + 3 Mg(OH)2(s)
Zn(OH)2 + NH4OH = Zn(NH3)4(OH)2 + H2O =>
Zn(OH)2 + 4 NH4OH = Zn(NH3)4(OH)2 + 4 H2O
HgNO3 + NaBr = HgBr + NaNO3 =>
HgNO3 + NaBr = HgBr + NaNO3
Al + H3{+} = Al{+3} + H2 =>
2 Al + 6 H3{+} = 2 Al{+3} + 9 H2
N2O5 + H2SO4 = NO2 + HSO4 + H3O =>
N2O5 + 3 H2SO4 = 2 NO2 + 3 HSO4 + H3O
Mn(OH)3 + HCl + KI = MnCl2 + I2 + H2O + KCl =>
2 Mn(OH)3 + 6 HCl + 2 KI = 2 MnCl2 + I2 + 6 H2O + 2 KCl
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