| Équations équilibrées la veille | Équations équilibrées le lendemain |
C4H8Cl2 + 2 NaOH = C4H6 + 2 H2O + 2 NaCl
H2S = H2 + S =>
H2S = H2 + S
NaOH + H2C6H8O4 = Na2C6H8O4 + H2O =>
2 NaOH + H2C6H8O4 = Na2C6H8O4 + 2 H2O
VO{2+} + MnO4{-} + H2O = VO2{+} + Mn{2+} + H{+} =>
5 VO{2+} + MnO4{-} + H2O = 5 VO2{+} + Mn{2+} + 2 H{+}
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2CO3(s) + (NH4)2(SO4)3(aq) =>
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2CO3(s) + (NH4)2(SO4)3(aq)
N2 + H2O = OH + N2H4 =>
N2 + 4 H2O = 4 OH + N2H4
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Ag{+} + H2PO2{-} = AgH2PO2 =>
Ag{+} + H2PO2{-} = AgH2PO2
NaIO4 + NaI + HCl = NaCl + I2 + H2O =>
NaIO4 + 7 NaI + 8 HCl = 8 NaCl + 4 I2 + 4 H2O
CH3CH2CH2Br + KOH = KBr + H2O + CH2CHCH3 =>
CH3CH2CH2Br + KOH = KBr + H2O + CH2CHCH3
Al2(SO4)3 + KOH = Al(HO)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(HO)3 + 3 K2SO4
K4Fe(CN)6 + AlCl3 = Al4(Fe(CN)6)3 + KCl =>
3 K4Fe(CN)6 + 4 AlCl3 = Al4(Fe(CN)6)3 + 12 KCl
Cu2O + H2 = Cu + H2O =>
Cu2O + H2 = 2 Cu + H2O
CH3COONa + H2O = C2H6 + NaHCO3 + H2 =>
2 CH3COONa + 2 H2O = C2H6 + 2 NaHCO3 + H2
Rb2O + N2O3 = Rb(NO2) =>
Rb2O + N2O3 = 2 Rb(NO2)
LiOH + MgCO3 + H3PO4 = Li3MgH(PO4)2 + H2O + CO2 =>
3 LiOH + MgCO3 + 2 H3PO4 = Li3MgH(PO4)2 + 4 H2O + CO2
CuS + HNO3 = Cu(NO3)2 + H2O + S + NO =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 3 S + 2 NO
NiCoO2 + CH4 = CO + H2 + NiCo =>
NiCoO2 + 2 CH4 = 2 CO + 4 H2 + NiCo
C6H12O6 + Ag(NH3)OH = Ag + C6H11O7 + NH3 + H2O =>
C6H12O6 + 3 Ag(NH3)OH = 3 Ag + C6H11O7 + 3 NH3 + 2 H2O
ZnN2O6*6H2O + C2H2O4*2H2O = ZnC2O4 + HNO3 + H2O =>
ZnN2O6*6H2O + C2H2O4*2H2O = ZnC2O4 + 2 HNO3 + 8 H2O
Al + HNO3 = (AlNO3)3 + N2O + H2O =>
24 Al + 30 HNO3 = 8(AlNO3)3 + 3 N2O + 15 H2O
Cl2 + Na2S2O3 + NaOH = Na2SO4 + NaCl + H2O =>
4 Cl2 + Na2S2O3 + 10 NaOH = 2 Na2SO4 + 8 NaCl + 5 H2O
Fe2(SO4)3 + Na2S = Na2(SO4) + Fe2S3 =>
Fe2(SO4)3 + 3 Na2S = 3 Na2(SO4) + Fe2S3
C25H22 + O2 = CO2 + H2O =>
2 C25H22 + 61 O2 = 50 CO2 + 22 H2O
HCH3COO + O2 = CO2 + H2O =>
HCH3COO + 2 O2 = 2 CO2 + 2 H2O
NiSO4 + C2H8N2 = [Ni(C2H8N2)3]SO4 =>
NiSO4 + 3 C2H8N2 = [Ni(C2H8N2)3]SO4
Fe + S2 = FeS =>
2 Fe + S2 = 2 FeS
CaCl2(s) + Na2CO3(s) = NaCl(s) + CaCO3(s) =>
CaCl2(s) + Na2CO3(s) = 2 NaCl(s) + CaCO3(s)
I2 + NH4OH = NH4I + NH4IO3 + H2O =>
3 I2 + 6 NH4OH = 5 NH4I + NH4IO3 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Zn + AuSO{4} = Au + ZnSO{4} =>
Zn + AuSO{4} = Au + ZnSO{4}
CO2 + NH3 = CO(NH2)2 + H2O =>
CO2 + 2 NH3 = CO(NH2)2 + H2O
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
MnI2 + O2 = I2 + MnO2 =>
MnI2 + O2 = I2 + MnO2
Ba(NO3)2 + TiO(NO3)2 + CH4N2O = BaTiO3 + H2O + N2 + CO2 =>
3 Ba(NO3)2 + 3 TiO(NO3)2 + 10 CH4N2O = 3 BaTiO3 + 20 H2O + 16 N2 + 10 CO2
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
Al2S3 + HOH = Al(OH)3 + H2 + S =>
Al2S3 + 6 HOH = 2 Al(OH)3 + 3 H2 + 3 S
NaCl + KOH = KCl + Na(OH) =>
NaCl + KOH = KCl + Na(OH)
K2Cr2O7 + CuNO3 = CuCr2O7 + K2NO3 =>
K2Cr2O7 + CuNO3 = CuCr2O7 + K2NO3
CO3{-}2 + Ag{+} = AgCO3 =>
CO3{-}2 + Ag{+} = AgCO3
Zr + H2SO4 = Zr(SO4)2 + SO2 + H2O =>
Zr + 4 H2SO4 = Zr(SO4)2 + 2 SO2 + 4 H2O
KNO3 + H2SO4 + KMnO4 = MnSO4 + K2SO4 + KNO33 + H2O =>
KNO3 + 18 H2SO4 + 12 KMnO4 = 12 MnSO4 + 6 K2SO4 + KNO33 + 18 H2O
KBr + H2O2 + HNO3 = Br2 + H2O + KNO3 =>
2 KBr + H2O2 + 2 HNO3 = Br2 + 2 H2O + 2 KNO3
Fe(CN)2 + K = KCN + Fe =>
Fe(CN)2 + 2 K = 2 KCN + Fe
LiOH + CuSO4 = Li2SO4 + Cu(OH)2 =>
2 LiOH + CuSO4 = Li2SO4 + Cu(OH)2
Mg + CO = MgO + C =>
Mg + CO = MgO + C
Al2(SO4)3 + HClO4 = H2SO4 + Al(ClO4)3 =>
Al2(SO4)3 + 6 HClO4 = 3 H2SO4 + 2 Al(ClO4)3
ClO{-} + I{-} = IO{-} + Cl{-} =>
ClO{-} + I{-} = IO{-} + Cl{-}
Fe2O3(g) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(g) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
K2Cr2O7 + KCl + H2SO4 = Cl2 + K2SO4 + Cr2O3 + H2O =>
K2Cr2O7 + 6 KCl + 4 H2SO4 = 3 Cl2 + 4 K2SO4 + Cr2O3 + 4 H2O
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