| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(NO3)2(aq) + 2 NaOH = Cu(OH)2(s) + 2 Na(NO3)
C2H5OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CHO + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3CHO + 7 H2O
(H2S)2 + O2 = H2O + (SO2)2 =>
(H2S)2 + 3 O2 = 2 H2O + (SO2)2
FeCl3 + NaOH = Fe(OH)3 + Na3(Cl)3 =>
FeCl3 + 3 NaOH = Fe(OH)3 + Na3(Cl)3
Fe2O3 + HC2H3O2 = Fe2H3O2 + HC2O3 =>
Fe2O3 + HC2H3O2 = Fe2H3O2 + HC2O3
CO2 + CaSiO3 + MgSiO3 = CaMg(CO3)2 + SiO2 =>
2 CO2 + CaSiO3 + MgSiO3 = CaMg(CO3)2 + 2 SiO2
Br2 + O3 = BrO2 =>
3 Br2 + 4 O3 = 6 BrO2
Rb2(CO3) = Rb2O + CO2 =>
Rb2(CO3) = Rb2O + CO2
H2OSO3 = H2SO4 =>
H2OSO3 = H2SO4
Na2S + H2SO4 + KMnO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
5 Na2S + 12 H2SO4 + 8 KMnO4 = 8 MnSO4 + 5 Na2SO4 + 4 K2SO4 + 12 H2O
K2Cr2O7 + N2H4 + H2SO4 = N2 + Cr2(SO4)3 + H2O + K2SO4 =>
2 K2Cr2O7 + 3 N2H4 + 8 H2SO4 = 3 N2 + 2 Cr2(SO4)3 + 14 H2O + 2 K2SO4
Fe{2+}(OH)2 + S{4+}O3 = SFe + Fe{3+}(OH)3 =>
7 Fe{2+}(OH)2 + S{4+}O3 = SFe + 6 Fe{3+}(OH)3
NaCH3OOH + HCl = NaCl + CH4OOH =>
NaCH3OOH + HCl = NaCl + CH4OOH
NaOH + Cu(CO2CH3)2H2O = CuO + H2O + Na(O2CCH3) =>
2 NaOH + Cu(CO2CH3)2H2O = CuO + 2 H2O + 2 Na(O2CCH3)
C1000H1510O712 + H2O = H2 + CO =>
C1000H1510O712 + 288 H2O = 1043 H2 + 1000 CO
Ca(NO2)2 + Na3P = Ca3P2 + NaNO2 =>
3 Ca(NO2)2 + 2 Na3P = Ca3P2 + 6 NaNO2
(NH4)3N(aq) + Li2SO4(aq) = (NH4)2SO4(aq) + Li3N(aq) =>
2(NH4)3N(aq) + 3 Li2SO4(aq) = 3(NH4)2SO4(aq) + 2 Li3N(aq)
C16H34(propano) + O2 = CO2 + H2O =>
2 C16H34(propano) + 49 O2 = 32 CO2 + 34 H2O
Fe(NO3)3 + KSCN = KFe(SCN)4 + KNO3 =>
Fe(NO3)3 + 4 KSCN = KFe(SCN)4 + 3 KNO3
(NH4)2(CO3) + NaOH = Na2(CO3) + NH3 + H2O =>
(NH4)2(CO3) + 2 NaOH = Na2(CO3) + 2 NH3 + 2 H2O
C2H4 + H2O2 = C2H6O2 =>
C2H4 + H2O2 = C2H6O2
Ba + H2SO4 = Ba(SO4) + H2 =>
Ba + H2SO4 = Ba(SO4) + H2
CH3CCH3 + Na = CH3CCH3Na =>
CH3CCH3 + Na = CH3CCH3Na
K2Cr2O7 + Al2O3 = K2O + Al2(Cr2O7)3 =>
3 K2Cr2O7 + Al2O3 = 3 K2O + Al2(Cr2O7)3
NH3 + O2 = H2 + NO2 =>
2 NH3 + 2 O2 = 3 H2 + 2 NO2
Cr2O3 + KOH = Cr(HO)3 + K2O =>
Cr2O3 + 6 KOH = 2 Cr(HO)3 + 3 K2O
Mg + Ca(OH)2 = MgO + Ca + H2 =>
2 Mg + Ca(OH)2 = 2 MgO + Ca + H2
Ba(OH)2 + Li2SO4 = Ba(SO4) + Li(OH) =>
Ba(OH)2 + Li2SO4 = Ba(SO4) + 2 Li(OH)
CH3OH + NaNH2 = CH3NH2 + NaOH =>
CH3OH + NaNH2 = CH3NH2 + NaOH
FeOH3 + CH3COOH = FeOH2 + CH3COOH2 =>
FeOH3 + CH3COOH = FeOH2 + CH3COOH2
H2Sb2O7 + I{-} + H{+} = Sb{3+} + I2 + H2O =>
H2Sb2O7 + 6 I{-} + 12 H{+} = 2 Sb{3+} + 3 I2 + 7 H2O
SiCl4 + LiAlH4 = LiCl + AlCl3 + SiH4 =>
SiCl4 + LiAlH4 = LiCl + AlCl3 + SiH4
CaHPO4 + CH3COOH = Ca(CH3COO)2 + H3PO4 =>
CaHPO4 + 2 CH3COOH = Ca(CH3COO)2 + H3PO4
C3H8O3 + HNO3 = C3H7O5N + H2O =>
C3H8O3 + HNO3 = C3H7O5N + H2O
Cu + Al2(SO4)3 = Cu2(SO4)2 + Al =>
6 Cu + 2 Al2(SO4)3 = 3 Cu2(SO4)2 + 4 Al
KClO3 + SnSO4 + H2SO4 = KCl + H2O + Sn(SO4)2 =>
KClO3 + 3 SnSO4 + 3 H2SO4 = KCl + 3 H2O + 3 Sn(SO4)2
Zn2 + Si4I = Zn2I + Si4 =>
Zn2 + Si4I = Zn2I + Si4
Al2(SO4)3 + K3PO4 = AlPO4 + K2SO4 =>
Al2(SO4)3 + 2 K3PO4 = 2 AlPO4 + 3 K2SO4
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
NO + Al = N2O + AlNO3 =>
5 NO + Al = 2 N2O + AlNO3
BaCO = Ba + CO =>
BaCO = Ba + CO
FeOH3 + CH3COOH = FeOH2 + CH3COOH2 =>
FeOH3 + CH3COOH = FeOH2 + CH3COOH2
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Cr(OH)2 + H2O = H3O + CrO2H =>
Cr(OH)2 + H2O = H3O + CrO2H
CrO3 + MgO = Mg2CrO5 =>
CrO3 + 2 MgO = Mg2CrO5
NH2C(CH2OH)3 + H2SO4 = NH3C(CH2OH)3{+} + HSO4{-} =>
NH2C(CH2OH)3 + H2SO4 = NH3C(CH2OH)3{+} + HSO4{-}
Al3 + H2Cl3 = AlCl3 + H2 =>
Al3 + 3 H2Cl3 = 3 AlCl3 + 3 H2
(NH4)2C2O4 + Al(ClO4)3 = Al2(C2O4)3 + NH4ClO4 =>
3(NH4)2C2O4 + 2 Al(ClO4)3 = Al2(C2O4)3 + 6 NH4ClO4
CaO + NO2 = Ca(NO3)2 + N =>
2 CaO + 5 NO2 = 2 Ca(NO3)2 + N
Ba(OH)2 + Li2SO4 = Ba(SO4) + Li(OH) =>
Ba(OH)2 + Li2SO4 = Ba(SO4) + 2 Li(OH)
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