| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 S2Cl2 + 4 H2O = 5 S + H2SO4 + 6 HCl
Mg(NO3)2(aq) + Zn(s) = Zn(NO3)(aq) + Mg(s) =>
Mg(NO3)2(aq) + 2 Zn(s) = 2 Zn(NO3)(aq) + Mg(s)
NO2{-2} + Cr2O7{-2} = Cr{-}{+3} + NO3{-2} =>
7 NO2{-2} + Cr2O7{-2} = 2 Cr{-}{+3} + 7 NO3{-2}
Fe + CuSO4(aq) = Cu + FeSO4(aq) =>
Fe + CuSO4(aq) = Cu + FeSO4(aq)
Sc(OH)3 + H4P2O7 = Sc2(H2P2O7)3 + H2O =>
2 Sc(OH)3 + 3 H4P2O7 = Sc2(H2P2O7)3 + 6 H2O
Sn + NaOH + H2O = Na2[Sn(OH)4] + H2 =>
Sn + 2 NaOH + 2 H2O = Na2[Sn(OH)4] + H2
Br2 + Si + H2O = H{+} + Br{-} + SiO2 =>
2 Br2 + Si + 2 H2O = 4 H{+} + 4 Br{-} + SiO2
NH4Cl + CaO + H2O = NH4OH + CaCl2 =>
2 NH4Cl + CaO + H2O = 2 NH4OH + CaCl2
S + Co2 = Co2S =>
S + Co2 = Co2S
Fe + (NH4)2SO4 = Fe2(SO4)3 + NH4 =>
2 Fe + 3(NH4)2SO4 = Fe2(SO4)3 + 6 NH4
CO2 + H = CH + H2O =>
CO2 + 5 H = CH + 2 H2O
Mg(NH4)PO4 + Cl2 = H3PO4 + Mg3(PO4)2 + N2 + HCl =>
6 Mg(NH4)PO4 + 9 Cl2 = 2 H3PO4 + 2 Mg3(PO4)2 + 3 N2 + 18 HCl
KOH + Fe + O2 = KFeO2 + H2O =>
4 KOH + 4 Fe + 3 O2 = 4 KFeO2 + 2 H2O
SnCl2 + H2O = [SnOH]Cl + HCl =>
SnCl2 + H2O = [SnOH]Cl + HCl
HCOOH + CaCO3 = Ca(COOH)2 + H2O + CO2 =>
2 HCOOH + CaCO3 = Ca(COOH)2 + H2O + CO2
C6H4CH3Cl + CH3Cl = C6H4CH3CH3 + Cl2 =>
C6H4CH3Cl + CH3Cl = C6H4CH3CH3 + Cl2
Fe16 + C = Fe7C13 =>
7 Fe16 + 208 C = 16 Fe7C13
Zn + H2CO3 = ZnCO3 + CO + H2O =>
Zn + 2 H2CO3 = ZnCO3 + CO + 2 H2O
CaOH2 + HBr = CaBr + HOH2 =>
CaOH2 + HBr = CaBr + HOH2
CuBr2 + H2SO4 = CuSO4 + Br2 + SO2 + H2O =>
CuBr2 + 2 H2SO4 = CuSO4 + Br2 + SO2 + 2 H2O
C6H5NO3 + O2 = CO2 + H2O + NH3 =>
C6H5NO3 + 5 O2 = 6 CO2 + H2O + NH3
Mg(OH)2 + K2(SO4) = K(OH) + Mg(SO4) =>
Mg(OH)2 + K2(SO4) = 2 K(OH) + Mg(SO4)
Al(No3)3 + NaCl = NaNo3 + AlCl3 =>
Al(No3)3 + 3 NaCl = 3 NaNo3 + AlCl3
HI + HIO = I2 + H2O =>
HI + HIO = I2 + H2O
(CH3)2CO + NaHSO3 = CH + H2O + NaOH + SO =>
2(CH3)2CO + NaHSO3 = 6 CH + 3 H2O + NaOH + SO
Cr(OH)3 + Cl2 + H2O = CrO4{2-} + Cl{-} + H{+} =>
2 Cr(OH)3 + 3 Cl2 + 2 H2O = 2 CrO4{2-} + 6 Cl{-} + 10 H{+}
C8H16 + H2O = CH3OH =>
C8H16 + 8 H2O = 8 CH3OH
PbS + H2O = PbO + H2S =>
PbS + H2O = PbO + H2S
KI + H2O2 = I2O3 + KOH + H2O =>
2 KI + 4 H2O2 = I2O3 + 2 KOH + 3 H2O
Na(OH) + MgS = Na2S + Mg(OH)2 =>
2 Na(OH) + MgS = Na2S + Mg(OH)2
Cu(OH)2 + HI = CuOHI + H2O =>
Cu(OH)2 + HI = CuOHI + H2O
Na2O + HNO3 = NaNO3 + H2O =>
Na2O + 2 HNO3 = 2 NaNO3 + H2O
AgF + HCl = AgCl + HF =>
AgF + HCl = AgCl + HF
KMnO4 + Na2S2O3 + H2O = MnO2 + Na2SO4 + KOH + K2SO4 =>
8 KMnO4 + 3 Na2S2O3 + H2O = 8 MnO2 + 3 Na2SO4 + 2 KOH + 3 K2SO4
NaHCO3(s) + HCH3COO(aq) = NaCH3COO(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + HCH3COO(aq) = NaCH3COO(aq) + H2O(l) + CO2(g)
Fe2S3 + Be = BeS + Fe =>
Fe2S3 + 3 Be = 3 BeS + 2 Fe
MnSO4 + HFO + H2SO4 = Mn(SO4)3 + MnF3 + H2O =>
9 MnSO4 + 12 HFO + 6 H2SO4 = 5 Mn(SO4)3 + 4 MnF3 + 12 H2O
C3H5O2Br + KOH = C3H3O2K + KBr + H2O =>
C3H5O2Br + 2 KOH = C3H3O2K + KBr + 2 H2O
H2SO4 + FeO = H2O + FeSO4 =>
H2SO4 + FeO = H2O + FeSO4
P2S3 + NH4ClO3 + H2O + NH3 = (NH4)PO3 + (NH4)HSO4 + NH4Cl =>
3 P2S3 + 14 NH4ClO3 + 12 H2O + 15 NH3 = 6(NH4)PO3 + 9(NH4)HSO4 + 14 NH4Cl
KOH + Zn(OH)2 = K2ZnO2 + H2O =>
2 KOH + Zn(OH)2 = K2ZnO2 + 2 H2O
NaOH + CH3OOH = Na + H2O + CO2 =>
4 NaOH + CH3OOH = 4 Na + 4 H2O + CO2
NH4Cl + Ba[OH]2 = BaCl2 + NH3 + H2O =>
2 NH4Cl + Ba[OH]2 = BaCl2 + 2 NH3 + 2 H2O
AlCl3 + Na3PO4 = AlPO4 + Cl3Na3 =>
AlCl3 + Na3PO4 = AlPO4 + Cl3Na3
CoCl2 + Al(NO3)3 = AlCl3 + NO2 + O2 + Co(AlO2)2 =>
3 CoCl2 + 8 Al(NO3)3 = 2 AlCl3 + 24 NO2 + 6 O2 + 3 Co(AlO2)2
KHS + KOH = HSOH + K2 =>
KHS + KOH = HSOH + K2
H2SO4 + HClO = Cl2 + H2O + SO4 =>
H2SO4 + 2 HClO = Cl2 + 2 H2O + SO4
Al(MnO4)3 + (NH4)(ClO2) = (NH4)(MnO4) + Al(ClO2)3 =>
Al(MnO4)3 + 3(NH4)(ClO2) = 3(NH4)(MnO4) + Al(ClO2)3
C2H6O + H2CrO4 + H{+} = C2H4O + Cr3{+} + H2O =>
17 C2H6O + 6 H2CrO4 + 2 H{+} = 17 C2H4O + 2 Cr3{+} + 24 H2O
Zn(OH)3 + HNO3 = HOH + Zn(NO3)3 =>
Zn(OH)3 + 3 HNO3 = 3 HOH + Zn(NO3)3
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