| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(NO3)2 + NaOH = Cu(OH) + (NO3)2Na
H2O + S = SO4 + H =>
4 H2O + S = SO4 + 8 H
CuSO4 + FeI2 = Fe2(SO4)3 + SO2 + CuO + I2 =>
6 CuSO4 + 2 FeI2 = Fe2(SO4)3 + 3 SO2 + 6 CuO + 2 I2
Zn(CH3COO)2 + HCl = ZnCl2 + CH3COOH =>
Zn(CH3COO)2 + 2 HCl = ZnCl2 + 2 CH3COOH
HgS + ClH + NO3H = HgCl4O + NO + S + H2O =>
HgS + 4 ClH + 2 NO3H = HgCl4O + 2 NO + S + 3 H2O
C4H6 + HCl = C4H6Cl2 + H =>
C4H6 + 2 HCl = C4H6Cl2 + 2 H
NaCO3 + FeCl2 = Fe(CO3)2 + NaCl =>
2 NaCO3 + FeCl2 = Fe(CO3)2 + 2 NaCl
C6H5NH2 + H2SO4 = (C6H5NH3)2SO4 =>
2 C6H5NH2 + H2SO4 = (C6H5NH3)2SO4
NaCl + AgN = AgCl + Na + N =>
NaCl + AgN = AgCl + Na + N
BaO + OH = Ba(OH)2 + O2 =>
2 BaO + 4 OH = 2 Ba(OH)2 + O2
MnO2 + H2C2O4 = CO2 + H2O + MnC2O4 =>
MnO2 + 2 H2C2O4 = 2 CO2 + 2 H2O + MnC2O4
Mg + (NO3)2 + H2O = HNO3 + Mg(OH)2 =>
Mg + (NO3)2 + 2 H2O = 2 HNO3 + Mg(OH)2
Cl2 + AgNO3 = (NO3)2 + AgCl2 =>
2 Cl2 + 2 AgNO3 = (NO3)2 + 2 AgCl2
K2[Zn(OH)4] + NH3*H2O = [Zn(NH3)4](OH)2 + KOH + H2O =>
K2[Zn(OH)4] + 4 NH3*H2O = [Zn(NH3)4](OH)2 + 2 KOH + 4 H2O
Ca(OH)2 + Na2HPO4 = CaHPO4 + NaOH =>
Ca(OH)2 + Na2HPO4 = CaHPO4 + 2 NaOH
HNO3 + Fe = FeNO3 + H =>
HNO3 + Fe = FeNO3 + H
KClO3 + (COOH)2 + H2SO4 = ClO2 + CO2 + H2O + KHSO4 =>
2 KClO3 + (COOH)2 + 2 H2SO4 = 2 ClO2 + 2 CO2 + 2 H2O + 2 KHSO4
AgCl + Al = AlCl3 + Ag =>
3 AgCl + Al = AlCl3 + 3 Ag
CuBr2 + NH4NO3 = CuNO3 + NH4Br2 =>
CuBr2 + NH4NO3 = CuNO3 + NH4Br2
Sn + NaCl = SnCl2 + Na =>
Sn + 2 NaCl = SnCl2 + 2 Na
NaIO3 + KI = NaI + KIO3 =>
NaIO3 + KI = NaI + KIO3
Na2HPO4 + Bi(NO3)3 = Bi2(HPO4)3 + NaNO3 =>
3 Na2HPO4 + 2 Bi(NO3)3 = Bi2(HPO4)3 + 6 NaNO3
Fe = Fe{2+} + e =>
Fe = Fe{2+} + 2e
Cu(aq) + K4[Fe(CN)6](aq) = Cu2[Fe(CN)6](aq) + K =>
2 Cu(aq) + K4[Fe(CN)6](aq) = Cu2[Fe(CN)6](aq) + 4 K
Al + S = Al2S4 =>
2 Al + 4 S = Al2S4
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Cu48 + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu48 + 192 HNO3 = 48 Cu(NO3)2 + 96 NO2 + 96 H2O
S + Al(s) = Al2S3 =>
3 S + 2 Al(s) = Al2S3
BaCO3 + H3PO4 = Ba3(PO4)2 + H2O + CO2 =>
3 BaCO3 + 2 H3PO4 = Ba3(PO4)2 + 3 H2O + 3 CO2
(NH4)2SO4 + BaCl2 = BaSO4 + NH4Cl =>
(NH4)2SO4 + BaCl2 = BaSO4 + 2 NH4Cl
KMnO4 + HCl + H2SO4 = K2SO4 + Cl2 + H2O + MnSO4 =>
2 KMnO4 + 10 HCl + 3 H2SO4 = K2SO4 + 5 Cl2 + 8 H2O + 2 MnSO4
Al2O3 + ZnO = Al2ZnO4 =>
Al2O3 + ZnO = Al2ZnO4
H2O(l) = OH(aq) + H(aq) =>
H2O(l) = OH(aq) + H(aq)
K2Cr2O7 + NaOH = H2O + CrO4 + KNa =>
K2Cr2O7 + 2 NaOH = H2O + 2 CrO4 + 2 KNa
Ca + H2O = Ca2H + O2 =>
8 Ca + 2 H2O = 4 Ca2H + O2
Ba(OH)2 + Na2(CO3) = Ba(CO3) + NaOH =>
Ba(OH)2 + Na2(CO3) = Ba(CO3) + 2 NaOH
Cu = Cu{2} + e =>
Cu = Cu{2} + 2e
H2NCH(CH3)CN + H2O = H2NCH(CH3)COOH + NH3 =>
H2NCH(CH3)CN + 2 H2O = H2NCH(CH3)COOH + NH3
K2CrO4 + KI + H2SO4 = Cr2(SO4)3 + H2O + I2 + K2SO4 =>
2 K2CrO4 + 6 KI + 8 H2SO4 = Cr2(SO4)3 + 8 H2O + 3 I2 + 5 K2SO4
Au(OH)2 + H4P2O7 = Au2P2O7 + H2O =>
2 Au(OH)2 + H4P2O7 = Au2P2O7 + 4 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = HNO3 + Fe(SO4)3 + CO2 + K2SO4 + MnSO4 + H2O =>
5 K4Fe(CN)6 + 64 KMnO4 + 121 H2SO4 = 30 HNO3 + 5 Fe(SO4)3 + 30 CO2 + 42 K2SO4 + 64 MnSO4 + 106 H2O
Na2SO4 + Ca(OH)2 + H2SO4 + KMnO4 = K2Ca(SO4)2 + H2O + NaMnO4 =>
Na2SO4 + Ca(OH)2 + H2SO4 + 2 KMnO4 = K2Ca(SO4)2 + 2 H2O + 2 NaMnO4
Na2S + CdNO3 = SCd + Na2NO3 =>
Na2S + CdNO3 = SCd + Na2NO3
Na2CO3(aq) + HC2H3O2(aq) = HC2CO3 + Na2H3O2 =>
Na2CO3(aq) + HC2H3O2(aq) = HC2CO3 + Na2H3O2
[Cr(OH)4]{-} + H2O2 = CrO49{-}2 + H2O =>
[Cr(OH)4]{-} + 47 H2O2 = CrO49{-}2 + 49 H2O
FeSO4 + K3(PO4) = K3SO4 + Fe(PO4) =>
FeSO4 + K3(PO4) = K3SO4 + Fe(PO4)
NBr3 = N2 + Br =>
2 NBr3 = N2 + 6 Br
KK2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + Fe2(SO4)3 + H2O =>
2 KK2Cr2O7 + 10 FeSO4 + 14 H2SO4 = 2 Cr2(SO4)3 + 3 K2SO4 + 5 Fe2(SO4)3 + 14 H2O
NaOH + H2SO4 = NaSO4 + OH(H2) =>
NaOH + H2SO4 = NaSO4 + OH(H2)
[(NH4)2Cr2O7] = Cr2O3 + N2 + H2O =>
[(NH4)2Cr2O7] = Cr2O3 + N2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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