| Équations équilibrées la veille | Équations équilibrées le lendemain |
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Al{+} + Co{2+} = Al{2+}Co + CoAl{2} =>
2 Al{+} + Co{2+} = Al{2+}Co + CoAl{2}
K2CrO4 + H2O2 + H2SO4 = CrO(O2)2 + K2SO4 + H2O =>
K2CrO4 + 2 H2O2 + H2SO4 = CrO(O2)2 + K2SO4 + 3 H2O
Fe + XCuCl = XFeCl + Cu =>
Fe + XCuCl = XFeCl + Cu
AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(aq) =>
2 AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(aq)
Qr5R12 + D2 = QrD2 + R2D =>
Qr5R12 + 8 D2 = 5 QrD2 + 6 R2D
Ag(NH3)2 + HCl = AgCl + NH4 + NH3 =>
Ag(NH3)2 + HCl = AgCl + NH4 + NH3
C3H5(oh)2 + O2 = CO2 + H2O =>
C3H5(oh)2 + 16 O2 = 3 CO2 + 26 H2O
NH3(g) + Cl2(g) = NH4(s) + NCl3(g) =>
8 NH3(g) + 3 Cl2(g) = 6 NH4(s) + 2 NCl3(g)
C6H106O3 + O2 = H2O + CO2 =>
C6H106O3 + 31 O2 = 53 H2O + 6 CO2
LiSO4 + NaI = LiI + NaSO4 =>
LiSO4 + NaI = LiI + NaSO4
LiOH*H2O + NH4H2PO4 + FeC2O4*2H2O + C6H12O6 = LiFePO4 + H2O + CO + NH3 =>
6 LiOH*H2O + 6 NH4H2PO4 + 6 FeC2O4*2H2O + C6H12O6 = 6 LiFePO4 + 36 H2O + 18 CO + 6 NH3
HBrO3 + Ba(OH)2 = Ba(BrO3)2 + H2O =>
2 HBrO3 + Ba(OH)2 = Ba(BrO3)2 + 2 H2O
NaHCO3 + H3C6H5O = Na3C6H5O7 + CO2 + H2O =>
15 NaHCO3 + 3 H3C6H5O = 5 Na3C6H5O7 + 3 CO2 + 7 H2O
C + O = CO2 =>
C + 2 O = CO2
Fe2O3 + Si = FeO + SiO2 =>
2 Fe2O3 + Si = 4 FeO + SiO2
Be + OH{-} + H2O = [Be(OH)4]{-2} + H2 =>
Be + 2 OH{-} + 2 H2O = [Be(OH)4]{-2} + H2
Sr(NO3)2 + (NH4)2CO3 = SrCO3 + (NH4)2(NO3)2 =>
Sr(NO3)2 + (NH4)2CO3 = SrCO3 + (NH4)2(NO3)2
NH4OH + CH3COOH = CH3COONH4 + H2O =>
NH4OH + CH3COOH = CH3COONH4 + H2O
NH4NO2(aq) = N2(g) + H2O(l) =>
NH4NO2(aq) = N2(g) + 2 H2O(l)
PbSO4 + NaClO + NaOH = PbO2 + Na2SO4 + NaCl + H2O =>
PbSO4 + NaClO + 2 NaOH = PbO2 + Na2SO4 + NaCl + H2O
Cr2O7{2-} + Cl{-} + H2SO4 = CrO2Cl2 + H2O + SO4{2-} =>
Cr2O7{2-} + 4 Cl{-} + 3 H2SO4 = 2 CrO2Cl2 + 3 H2O + 3 SO4{2-}
Cr + NaOH + O2 = NaCrO2 + H2O =>
4 Cr + 4 NaOH + 3 O2 = 4 NaCrO2 + 2 H2O
Fe2Cl3 = Fe + Cl2 =>
2 Fe2Cl3 = 4 Fe + 3 Cl2
LiBr + Cl{2} = LiCl + Br{2} =>
LiBr + Cl{2} = LiCl + Br{2}
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Cl2 + NH4Br = NH4Cl + Br2 =>
Cl2 + 2 NH4Br = 2 NH4Cl + Br2
CH3C(O)OH + NaOH = CH3C(O)ONa + H2O =>
CH3C(O)OH + NaOH = CH3C(O)ONa + H2O
HNO3 + C6H5CH3 = C6H2(NO2)3CH3 + H2O =>
3 HNO3 + C6H5CH3 = C6H2(NO2)3CH3 + 3 H2O
C + H2 + S8 = CH2S =>
8 C + 8 H2 + S8 = 8 CH2S
CuI2 + Cl = CuCl2 + I2 =>
CuI2 + 2 Cl = CuCl2 + I2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
(NH4)2S + NiI2 = NH4I + NiS =>
(NH4)2S + NiI2 = 2 NH4I + NiS
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
SO2 + K2CrO4 + HCl = H2SO4 + CrCl3 + KCl + H2O =>
3 SO2 + 2 K2CrO4 + 10 HCl = 3 H2SO4 + 2 CrCl3 + 4 KCl + 2 H2O
Cr2O3 + HCl = Cr{3+} + Cl{-} + H2O =>
Cr2O3 + 6 HCl = 2 Cr{3+} + 6 Cl{-} + 3 H2O
HCl(aq) + Co(s) = H2(g) + CoCl2(aq) =>
2 HCl(aq) + Co(s) = H2(g) + CoCl2(aq)
In(OH)3 + H2SO3 = In2(SO3)3 + H2O =>
2 In(OH)3 + 3 H2SO3 = In2(SO3)3 + 6 H2O
Ca(OH)2 = Ca + OH =>
Ca(OH)2 = Ca + 2 OH
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C7H4O + CO2 = C8H4O + O2 =>
C7H4O + CO2 = C8H4O + O2
CH3COOH + NH3 = CH3COOHNH3 =>
CH3COOH + NH3 = CH3COOHNH3
TiO(NO3)2 + NH2CONH2 = TiO2 + CO2 + H2O + N2 =>
3 TiO(NO3)2 + 5 NH2CONH2 = 3 TiO2 + 5 CO2 + 10 H2O + 8 N2
H2SO4 + AlCl3 = Al2(SO4)3 + HCl =>
3 H2SO4 + 2 AlCl3 = Al2(SO4)3 + 6 HCl
Al(NO2)3 + K2S = Al2S3 + KNO2 =>
2 Al(NO2)3 + 3 K2S = Al2S3 + 6 KNO2
C2H4 + Br2 + H2O = C2H6O2 + HBr =>
C2H4 + Br2 + 2 H2O = C2H6O2 + 2 HBr
H2Se + Ni(OH)2 = NiSe + H2O =>
H2Se + Ni(OH)2 = NiSe + 2 H2O
C13H18O6 + O2 = CO2 + H2O =>
2 C13H18O6 + 29 O2 = 26 CO2 + 18 H2O
Na(NO2)(s) + O2(g) = Na(NO3)(s) =>
2 Na(NO2)(s) + O2(g) = 2 Na(NO3)(s)
AgNO3(aq) + BrCl(aq) = AgCl(aq) + BrNO3(aq) =>
AgNO3(aq) + BrCl(aq) = AgCl(aq) + BrNO3(aq)
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