| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2S + Cu(CH3COO)2 = 2 CH3COONa + CuS
C9H11NO2 + NaNO2 + H2SO4 = C9H10O3 + N2 + H2O + Na2SO4 =>
2 C9H11NO2 + 2 NaNO2 + H2SO4 = 2 C9H10O3 + 2 N2 + 2 H2O + Na2SO4
HNO3 + HS = NO2 + H2O + S =>
HNO3 + HS = NO2 + H2O + S
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
K2SO3 + HNO2 = KNO2 + H2O + SO2 =>
K2SO3 + 2 HNO2 = 2 KNO2 + H2O + SO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
Na2CO3 + H2SO4 = CO2 + H2O + Na2SO4
UCl3 + O2 + KOH = UO2Cl2 + KCl + H2O =>
4 UCl3 + 3 O2 + 4 KOH = 4 UO2Cl2 + 4 KCl + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
HNO3 + SO2 = SO3 + NO + H2O =>
2 HNO3 + 3 SO2 = 3 SO3 + 2 NO + H2O
Fe(OH)3 + CaCl2 = FeCl3 + Ca(OH)2 =>
2 Fe(OH)3 + 3 CaCl2 = 2 FeCl3 + 3 Ca(OH)2
CO2 + H2O2 = CO3 + H2O =>
CO2 + H2O2 = CO3 + H2O
K2Cr2O7 + S8 = K2O + Cr2O3 + SO2 =>
16 K2Cr2O7 + 3 S8 = 16 K2O + 16 Cr2O3 + 24 SO2
AgNO3 + NaCl + H2O = HCl + NaNO3 + Ag2O =>
2 AgNO3 + 2 NaCl + H2O = 2 HCl + 2 NaNO3 + Ag2O
Si3H8 = Si + H2 =>
Si3H8 = 3 Si + 4 H2
CH3CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
NaCl(aq) + H2SO4(aq) = Na2SO4 + HCl(g) =>
2 NaCl(aq) + H2SO4(aq) = Na2SO4 + 2 HCl(g)
K2Cr2O7 + FeSO4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe(SO4)3 + H2O =>
2 K2Cr2O7 + 3 FeSO4 + 14 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Fe(SO4)3 + 14 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Zn + COSO4 = ZnSO4 + CO =>
Zn + COSO4 = ZnSO4 + CO
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
PbO2 + H3PO4 = Pb(PO3)4 + H2O =>
PbO2 + 4 H3PO4 = Pb(PO3)4 + 6 H2O
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
H2SO4 + Cr = Cr2(SO4)3 + H2S + H2O =>
15 H2SO4 + 8 Cr = 4 Cr2(SO4)3 + 3 H2S + 12 H2O
PbCH3COO + NH4SO4 = PbSO4 + NH4 + CH3COO =>
PbCH3COO + NH4SO4 = PbSO4 + NH4 + CH3COO
Mg(ClO3)2 + K2CO3 = MgCO3 + ClO3K =>
Mg(ClO3)2 + K2CO3 = MgCO3 + 2 ClO3K
CH2Cl2 + C2H5OH = CH3O + C2H4Cl + HCl =>
CH2Cl2 + C2H5OH = CH3O + C2H4Cl + HCl
I2 + NMe4I = NMe4{+} + I3{-} =>
I2 + NMe4I = NMe4{+} + I3{-}
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Ca3(PO4)2 + SrO2 + C = CaSrO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SrO2 + 10 C = 6 CaSrO3 + P4 + 10 CO
P + O = P2O5 =>
2 P + 5 O = P2O5
C6H5NO2 + Zn + HCl = C6H5NH2 + ZnCl2 + H2O =>
C6H5NO2 + 3 Zn + 6 HCl = C6H5NH2 + 3 ZnCl2 + 2 H2O
AuSbCl + SbCl3 + Sb2O4 = Au + SbOCl =>
AuSbCl + SbCl3 + Sb2O4 = Au + 4 SbOCl
C6H12O6 + NO3{-} = N2 + CO2 + H2O + OH{-} =>
5 C6H12O6 + 24 NO3{-} = 12 N2 + 30 CO2 + 18 H2O + 24 OH{-}
CuCl2 + Al = Cu2Al + Cl =>
2 CuCl2 + Al = Cu2Al + 4 Cl
K2SO4 + MgF2 = KF + MgSO4 =>
K2SO4 + MgF2 = 2 KF + MgSO4
MgSO4 + NaOH = Na(SO4) + Mg(OH) =>
MgSO4 + NaOH = Na(SO4) + Mg(OH)
KMnO4 + HNO2 = Mn(NO2)2 + HNO3 + KNO2 + H2O =>
2 KMnO4 + 11 HNO2 = 2 Mn(NO2)2 + 5 HNO3 + 2 KNO2 + 3 H2O
FeCl3 + K4[Fe(CN)6] = Fe3[Fe(CN)6]2 + K3[Fe(CN)6] + KCl =>
3 FeCl3 + 3 K4[Fe(CN)6] = Fe3[Fe(CN)6]2 + K3[Fe(CN)6] + 9 KCl
AlCl3 + Na = Al + NaCl =>
AlCl3 + 3 Na = Al + 3 NaCl
Zn2O2 = ZnO =>
Zn2O2 = 2 ZnO
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Pb2O4 + HCl = PbCl2 + H2O + Cl =>
Pb2O4 + 8 HCl = 2 PbCl2 + 4 H2O + 4 Cl
Cr2O3 + Na2CO3 = Na2Cr2O4 + CO2 =>
Cr2O3 + Na2CO3 = Na2Cr2O4 + CO2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Ca3(PO4)2*Al2Si2O5(OH)4*Ca3(PO4)2 + Al2Si2O5(OH)4 = Ca3(PO4)2*Al2Si2O5(OH)4*Ca3(PO4)2*Al2Si2O5(OH)4 =>
Ca3(PO4)2*Al2Si2O5(OH)4*Ca3(PO4)2 + Al2Si2O5(OH)4 = Ca3(PO4)2*Al2Si2O5(OH)4*Ca3(PO4)2*Al2Si2O5(OH)4
IrCl3 + NaOH = Ir2O3 + NaCl + HCl =>
2 IrCl3 + 3 NaOH = Ir2O3 + 3 NaCl + 3 HCl
N2 + S = N2S =>
N2 + S = N2S
Pb(NO3)2 + Cl = PbCl2 + NO3 =>
Pb(NO3)2 + 2 Cl = PbCl2 + 2 NO3
C6H6NH2 + HCl = C6H6NH3Cl =>
C6H6NH2 + HCl = C6H6NH3Cl
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