| Équations équilibrées la veille |
4 C5H9NO + 31 O2 = 20 CO2 + 18 H2O + 4 NO2
Ni(NO3)2 + N2H4 = Ni(N2H4)3(NO3)2 =>
Ni(NO3)2 + 3 N2H4 = Ni(N2H4)3(NO3)2
Fe + H2SO4(conc) = FeSO4 + SO2 + H2O =>
Fe + 2 H2SO4(conc) = FeSO4 + SO2 + 2 H2O
CH3SH + NaOCl = CH3SO3H + NaCl =>
CH3SH + 3 NaOCl = CH3SO3H + 3 NaCl
NaOH + HNO3 = NaNO3 + H2O =>
NaOH + HNO3 = NaNO3 + H2O
Al2(SO4)3(aq) + Ba(NO3)2(aq) = Al(NO3)3(aq) + BaSO4(s) =>
Al2(SO4)3(aq) + 3 Ba(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 BaSO4(s)
Fe + Fe2(SO4)3 = Fe3SO4 =>
7 Fe + Fe2(SO4)3 = 3 Fe3SO4
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
BaCl + CaSO4 = CaCl + BaSO4 =>
BaCl + CaSO4 = CaCl + BaSO4
Sb2S3 + (NH4)2S2 = (NH4)3SbS4 + S =>
Sb2S3 + 3(NH4)2S2 = 2(NH4)3SbS4 + S
Ba[Zn(OH)4] + H2SO4 = Zn(OH)2 + BaSO4 + H2O =>
Ba[Zn(OH)4] + H2SO4 = Zn(OH)2 + BaSO4 + 2 H2O
K2SO3 + HClO = KHSO4 + KCl =>
K2SO3 + HClO = KHSO4 + KCl
CH4N2O + H3PO4 + C6H12O6 + H2SO4 = C12H16N3O3PS + H2O + CO2 =>
3 CH4N2O + 2 H3PO4 + 5 C6H12O6 + 2 H2SO4 = 2 C12H16N3O3PS + 25 H2O + 9 CO2
HClO2(aq) = H2O(l) + Cl2O3(g) =>
2 HClO2(aq) = H2O(l) + Cl2O3(g)
Ni3S2 + O2 = Ni + SO2 =>
Ni3S2 + 2 O2 = 3 Ni + 2 SO2
PbO + NaOH = Pb(OH)2 + Na2O =>
PbO + 2 NaOH = Pb(OH)2 + Na2O
H2O + CH3MgCl = CH4 + MgOHCl =>
H2O + CH3MgCl = CH4 + MgOHCl
H2O2 + Br2 = BrO4 + H2O =>
8 H2O2 + Br2 = 2 BrO4 + 8 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
NH4OH + Co(NO3)2 = NO3 + Co(NH4OH)2 =>
2 NH4OH + Co(NO3)2 = 2 NO3 + Co(NH4OH)2
Fe + Cl2 = FeCl3 = FeCl2 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3NO2 + O2 = CO2 + H2O + NO2 =>
4 CH3NO2 + 7 O2 = 4 CO2 + 6 H2O + 4 NO2
CuO + H2O2 = Cu(OH)2 + O2 =>
2 CuO + 2 H2O2 = 2 Cu(OH)2 + O2
U(SO4)2 + KMnO4 + H2O = H2SO4 + K2SO4 + MnSO4 + UO2SO4 =>
5 U(SO4)2 + 2 KMnO4 + 2 H2O = 2 H2SO4 + K2SO4 + 2 MnSO4 + 5 UO2SO4
HI + MgCO3 = MgI2 + CO2 + H2O =>
2 HI + MgCO3 = MgI2 + CO2 + H2O
Fe(OH)2 + FeSO4 + H2O = Fe(OH)3 + FeS =>
8 Fe(OH)2 + FeSO4 + 4 H2O = 8 Fe(OH)3 + FeS
FeCrO4 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCrO4 + 4 K2CO3 + O2 = 2 Fe2O3 + 4 K2CrO4 + 4 CO2
K + Fe = KFe =>
K + Fe = KFe
HClo(aq) + Na2SO3(s) = H2O(l) + NaClo(aq) + SO2(g) =>
2 HClo(aq) + Na2SO3(s) = H2O(l) + 2 NaClo(aq) + SO2(g)
Cu + Zn = Cu3Zn2 =>
3 Cu + 2 Zn = Cu3Zn2
C4H6 + N2O = CO2 + H2O + N2 =>
C4H6 + 11 N2O = 4 CO2 + 3 H2O + 11 N2
S + HCl = S(Cl2) + H2 =>
S + 2 HCl = S(Cl2) + H2
Fe + CuS = FeS + Cu =>
Fe + CuS = FeS + Cu
Ag + S2 = Ag2S =>
4 Ag + S2 = 2 Ag2S
Fe2 + Co2P = FeP2 + Co =>
Fe2 + 4 Co2P = 2 FeP2 + 8 Co
CrO3 + H2SO4 + KBr = K2SO4 + Cr2(SO4)3 + Br2 + H2O =>
2 CrO3 + 6 H2SO4 + 6 KBr = 3 K2SO4 + Cr2(SO4)3 + 3 Br2 + 6 H2O
SO2 + HClO = SO3 + HCl =>
SO2 + HClO = SO3 + HCl
Cu(OH)2 + NaHCO3 = Cu(HCO3)2 + NaOH =>
Cu(OH)2 + 2 NaHCO3 = Cu(HCO3)2 + 2 NaOH
H3AsO3 + Ca(OH)2 = (CaOH)3AsO3 + H2O =>
H3AsO3 + 3 Ca(OH)2 = (CaOH)3AsO3 + 3 H2O
N3 + O2 = N2O3 =>
4 N3 + 9 O2 = 6 N2O3
C5H9NO3S + I2 = HI + C5H7NO3S =>
C5H9NO3S + I2 = 2 HI + C5H7NO3S
Mn(NO3)2 + Na2CO3 = MnCO3 + NaNO3 =>
Mn(NO3)2 + Na2CO3 = MnCO3 + 2 NaNO3
CuZn + HNO3 = Cu(NO3)2 + Zn + H2 =>
CuZn + 2 HNO3 = Cu(NO3)2 + Zn + H2
HNO3 + CdS = Cd(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 CdS = 3 Cd(NO3)2 + 2 NO + 3 S + 4 H2O
MgO + H = Mg2 + H2O =>
2 MgO + 4 H = Mg2 + 2 H2O
C3H8O2 + K2Cr2O7 + H2SO4 = C3H4O4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H8O2 + 4 K2Cr2O7 + 16 H2SO4 = 3 C3H4O4 + 4 Cr2(SO4)3 + 4 K2SO4 + 22 H2O
FeC2O4 + K2C2O4 + H2O2 + H2C2O4 = K3Fe(C2O4)3 + H2O =>
2 FeC2O4 + 3 K2C2O4 + H2O2 + H2C2O4 = 2 K3Fe(C2O4)3 + 2 H2O
Ca5(PO4)3F = Ca + PO4 + F =>
Ca5(PO4)3F = 5 Ca + 3 PO4 + F
Pb(NO3)2 + K2S = PbS + KNO3 =>
Pb(NO3)2 + K2S = PbS + 2 KNO3
KMnO4 + Zn = Zn(MnO4)2 + K =>
2 KMnO4 + Zn = Zn(MnO4)2 + 2 K
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