| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaHCO3 + H2O4S = Na2SO4 + 2 H2O + 2 CO2
Br2 + ZnI2 = Br2ZnI2 =>
Br2 + ZnI2 = Br2ZnI2
KBr + H2O = K2O + HBr =>
2 KBr + H2O = K2O + 2 HBr
Na + NH3 + C2H2 = NaNH2 + C2H4 =>
2 Na + 2 NH3 + C2H2 = 2 NaNH2 + C2H4
KClO3 + I2 + KOH = KIO4 + KCl + H2O =>
7 KClO3 + 3 I2 + 6 KOH = 6 KIO4 + 7 KCl + 3 H2O
HCI + FeCO3 = HCO3 + CIFe =>
HCI + FeCO3 = HCO3 + CIFe
Sn(NO3)2 + Zn = Sn + Zn(NO3)2 =>
Sn(NO3)2 + Zn = Sn + Zn(NO3)2
KHC2O4 + CaCl2 = CaC2O4 + KCl + HCl =>
KHC2O4 + CaCl2 = CaC2O4 + KCl + HCl
CH + O2 = C2O4 + H2O =>
4 CH + 5 O2 = 2 C2O4 + 2 H2O
NH3 + HNO3 = N + H2O =>
5 NH3 + 3 HNO3 = 8 N + 9 H2O
Zn(s) + H3C6H5O7(aq) = Zn3(C6H5O7)2 + H2 =>
3 Zn(s) + 2 H3C6H5O7(aq) = Zn3(C6H5O7)2 + 3 H2
FeS + SrI2 = SrS + FeI2 =>
FeS + SrI2 = SrS + FeI2
ClC6H4NH2 + H2O2 + NaOH = CO2 + H2O + NO3 + NaCl =>
2 ClC6H4NH2 + 35 H2O2 + 2 NaOH = 12 CO2 + 42 H2O + 2 NO3 + 2 NaCl
NaOH + Mg3(PO4)2 = Na3PO4 + Mg(OH)2 =>
6 NaOH + Mg3(PO4)2 = 2 Na3PO4 + 3 Mg(OH)2
K2Cr2O7 + H2SO4 + CH2O = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH2O = K2SO4 + Cr2(SO4)3 + 3 HCOOH + 4 H2O
Ni(OH)2 + H2SO4 = NiSO4 + H2O =>
Ni(OH)2 + H2SO4 = NiSO4 + 2 H2O
Cu2O = Cu + O2 =>
2 Cu2O = 4 Cu + O2
HClO4(aq) + Ba(OH)2(aq) = H2O(l) + Ba(ClO4)2(s) =>
2 HClO4(aq) + Ba(OH)2(aq) = 2 H2O(l) + Ba(ClO4)2(s)
MnO2 + Fe2(SO4)3 + H2O = FeSO4 + HMnO4 + H2SO4 =>
2 MnO2 + 3 Fe2(SO4)3 + 4 H2O = 6 FeSO4 + 2 HMnO4 + 3 H2SO4
K2[Cu(C2O4)2]*2H2O + KMnO4 + H2SO4 = CO2 + CuSO4 + K2C2O4 + H2O + MnSO4 =>
6 K2[Cu(C2O4)2]*2H2O + 2 KMnO4 + 8 H2SO4 = 10 CO2 + 6 CuSO4 + 7 K2C2O4 + 20 H2O + 2 MnSO4
Al(s) + H(NO3)(aq) = Al(NO3)3(aq) + H2(g) =>
2 Al(s) + 6 H(NO3)(aq) = 2 Al(NO3)3(aq) + 3 H2(g)
Sb2S3 + NaOH = Na3SbS3 + Na[Sb(OH)4] =>
Sb2S3 + 4 NaOH = Na3SbS3 + Na[Sb(OH)4]
CS = C + S8 =>
8 CS = 8 C + S8
K2Cr2O7 + H2SO4 + K2C2O4 = K2SO4 + Cr2S3O12 + CO2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 3 K2C2O4 = 4 K2SO4 + Cr2S3O12 + 6 CO2 + 7 H2O
NaH3 + O2 = Na + H2O =>
4 NaH3 + 3 O2 = 4 Na + 6 H2O
C7H6O5 + Na2CO3 = C7H5O5Na + CO2 + H2O =>
2 C7H6O5 + Na2CO3 = 2 C7H5O5Na + CO2 + H2O
H2O2 = H2O + O2 = KOH + H3Po4 = K3Po4 + H2O =>
2 H2O2 = 2 H2O + O2
C3H6O2 + HCl = C3H5ClO2 + H2 =>
C3H6O2 + HCl = C3H5ClO2 + H2
Bi(NO3)3 + NaClO + NaOH = NaBiO3 + NaCl + NaNO3 + H2O =>
Bi(NO3)3 + NaClO + 4 NaOH = NaBiO3 + NaCl + 3 NaNO3 + 2 H2O
CdO + NaOH = Na2CdO2 + H2O =>
CdO + 2 NaOH = Na2CdO2 + H2O
NaCl(ac) + Pb(NO3)2(ac) = PbCl2(s) + NaNO3 =>
2 NaCl(ac) + Pb(NO3)2(ac) = PbCl2(s) + 2 NaNO3
PH3 + O2 = P4O10 + H2O =>
4 PH3 + 8 O2 = P4O10 + 6 H2O
H2S + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O =>
5 H2S + 8 KMnO4 + 7 H2SO4 = 8 MnSO4 + 4 K2SO4 + 12 H2O
HOC2H4OH + SOCl2 = ClC2H4OH + SO2 + HCl =>
HOC2H4OH + SOCl2 = ClC2H4OH + SO2 + HCl
Tl + I2 = Tl2I3 =>
4 Tl + 3 I2 = 2 Tl2I3
Mn(NO3)2(aq) + NaOH(aq) = MnOH(s) + Na(NO3)2(aq) =>
Mn(NO3)2(aq) + NaOH(aq) = MnOH(s) + Na(NO3)2(aq)
CHCH + KMnO4 + H2O = COOH + KOH + MnO2 =>
3 CHCH + 8 KMnO4 + 4 H2O = 6 COOH + 8 KOH + 8 MnO2
CaO + SO2 = CaSO3 =>
CaO + SO2 = CaSO3
NH4 + O2 = NO + H2O =>
2 NH4 + 3 O2 = 2 NO + 4 H2O
Fe2(SO4)3(aq) + Cu(s) = CuSO4(aq) + Fe(s) =>
Fe2(SO4)3(aq) + 3 Cu(s) = 3 CuSO4(aq) + 2 Fe(s)
C + ZnO = CO2 + Zn =>
C + 2 ZnO = CO2 + 2 Zn
Rb(s) + P(s) = RbP =>
Rb(s) + P(s) = RbP
O2C2H5OH + O2 = CO2 + H2O =>
O2C2H5OH + 2 O2 = 2 CO2 + 3 H2O
Sc2O3 + HI = H2O + ScI3 =>
Sc2O3 + 6 HI = 3 H2O + 2 ScI3
Na3Fe(OH)6 + HCl = FeCl3 + NaCl + H2O =>
Na3Fe(OH)6 + 6 HCl = FeCl3 + 3 NaCl + 6 H2O
O2 + H2O + P4 = H3PO4 =>
5 O2 + 6 H2O + P4 = 4 H3PO4
OH{-} + S4O6{-2} + OCl{-} = SO4{-2} + Cl{-} + H2O =>
6 OH{-} + S4O6{-2} + 7 OCl{-} = 4 SO4{-2} + 7 Cl{-} + 3 H2O
CH3COOH + SiO2 = Si(CH3COO)4 + H2O =>
4 CH3COOH + SiO2 = Si(CH3COO)4 + 2 H2O
KCsO3 = KCs + O2 =>
2 KCsO3 = 2 KCs + 3 O2
CuCl2 + Cu + H2O + O2 = [Cu(OH)2*CuCl2] =>
2 CuCl2 + 2 Cu + 2 H2O + O2 = 2[Cu(OH)2*CuCl2]
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