| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnCl2 + K2SO3 = ZnSO3 + 2 KCl
K2CrO4 + FeS2 + H2O = Cr(OH)3 + Fe(OH)3 + K2SO3 + KOH =>
11 K2CrO4 + 3 FeS2 + 26 H2O = 11 Cr(OH)3 + 3 Fe(OH)3 + 6 K2SO3 + 10 KOH
Cu(NO3)2 + Na3AsO4 = Cu3(AsO4)2 + NaNO3 =>
3 Cu(NO3)2 + 2 Na3AsO4 = Cu3(AsO4)2 + 6 NaNO3
BiONO3 = Bi(NO3)2 + BiO2 =>
2 BiONO3 = Bi(NO3)2 + BiO2
CH4(g) + O2(g) = CO2(g) + HO(g) =>
CH4(g) + 3 O2(g) = CO2(g) + 4 HO(g)
C2H5OH + PBr3 = C2H5Br + H3PO3 =>
3 C2H5OH + PBr3 = 3 C2H5Br + H3PO3
C3H7Cl + NaOH = C3H7OHNaCl =>
C3H7Cl + NaOH = C3H7OHNaCl
P2 + S = PS =>
P2 + 2 S = 2 PS
C2H4(g) + O2 = C(s) + H2O(g) =>
C2H4(g) + O2 = 2 C(s) + 2 H2O(g)
CsOH + NaCl = CsCl + NaOH =>
CsOH + NaCl = CsCl + NaOH
K2CO3S = K2SCO3 =>
K2CO3S = K2SCO3
C4H8O2 + C5H10O = CH3(CH2)2COOCH2(CH2)3CH3 =>
C4H8O2 + 10 C5H10O = 6 CH3(CH2)2COOCH2(CH2)3CH3
Hydrogen + chlorine = hydrogenchloride =>
H2 + Cl2 = 2 HCl
(NH4)2SO4 + NH4OH = N2H6SO4 + H2O + NH5 =>
(NH4)2SO4 + NH4OH = N2H6SO4 + H2O + NH5
Se + HNO3 = SeO2 + NO + H2O =>
3 Se + 4 HNO3 = 3 SeO2 + 4 NO + 2 H2O
Al2(SO4)3 + K2SO3 + H2O = Al(OH)3 + SO2 + K2SO4 =>
Al2(SO4)3 + 3 K2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 3 K2SO4
CaCO3 + NH4NO3 = Ca(NO3)2 + (NH4)2CO3 =>
CaCO3 + 2 NH4NO3 = Ca(NO3)2 + (NH4)2CO3
KClO3 + NaNO2 + H2SO4 = Cl2 + NaNO3 + K2SO4 + H2O =>
2 KClO3 + 5 NaNO2 + H2SO4 = Cl2 + 5 NaNO3 + K2SO4 + H2O
K3PO4 + NiCl2 = NiPO4 + K3Cl2 =>
K3PO4 + NiCl2 = NiPO4 + K3Cl2
CoBr2(s) = Co + Br =>
CoBr2(s) = Co + 2 Br
CrNO3 + NaOH = CrOH + NaNO3 =>
CrNO3 + NaOH = CrOH + NaNO3
H2SO4 + Cu = SO4 + CuSO + H2O =>
3 H2SO4 + Cu = 2 SO4 + CuSO + 3 H2O
CoO + Li3VO4 + V2O3 + V2O5 = Li5Co5V20O40 =>
60 CoO + 20 Li3VO4 + 105 V2O3 + 5 V2O5 = 12 Li5Co5V20O40
CU + HCl = CUCl2 + H4 =>
2 CU + 4 HCl = 2 CUCl2 + H4
AuCl3 + CH2O + NaOH = HCOONa + HCl + Au =>
2 AuCl3 + 3 CH2O + 3 NaOH = 3 HCOONa + 6 HCl + 2 Au
CuSO4(aq) + NaSiO3(aq) = CuSiO3 + NaSO4 =>
CuSO4(aq) + NaSiO3(aq) = CuSiO3 + NaSO4
Na2S2O8 + Na2SO3 + H2O = Na{+} + SO4{2-} + H{+} =>
Na2S2O8 + Na2SO3 + H2O = 4 Na{+} + 3 SO4{2-} + 2 H{+}
FeS2 + O2 = Fe2O3 + SO4 =>
4 FeS2 + 19 O2 = 2 Fe2O3 + 8 SO4
Nd2O3 + FeB + Fe + Ca = Nd2Fe14B + CaO =>
Nd2O3 + FeB + 13 Fe + 3 Ca = Nd2Fe14B + 3 CaO
MoCl5 + S{-2} = MoS2 + Cl{-} + S =>
2 MoCl5 + 5 S{-2} = 2 MoS2 + 10 Cl{-} + S
Sn + Hg2NO3 = Hg2 + Sn(NO3)4 =>
Sn + 4 Hg2NO3 = 4 Hg2 + Sn(NO3)4
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
M2O2 + KI = MKI + O =>
M2O2 + 2 KI = 2 MKI + 2 O
Ah2O = Ah + O2 =>
2 Ah2O = 4 Ah + O2
Fe + O + HCl = FeCl2 + H2O =>
Fe + O + 2 HCl = FeCl2 + H2O
K + FeCl2 = ClK + Fe =>
2 K + FeCl2 = 2 ClK + Fe
KOH + Ca(HCO3)2 = K2CO3 + Ca(OH)2 + H2O =>
4 KOH + Ca(HCO3)2 = 2 K2CO3 + Ca(OH)2 + 2 H2O
Fl + HCl = FlH + Cl =>
Fl + HCl = FlH + Cl
CH3COCH3 + H2 = CH3CO + CH4 =>
2 CH3COCH3 + H2 = 2 CH3CO + 2 CH4
CrO3 + HNO3 = Cr(NO3)3 + O2 + H2O =>
4 CrO3 + 12 HNO3 = 4 Cr(NO3)3 + 3 O2 + 6 H2O
K2Cr2O7 + Ba(OH)2 = BaCrO4 + KOH + H2O =>
K2Cr2O7 + 2 Ba(OH)2 = 2 BaCrO4 + 2 KOH + H2O
HC2H3O2 + CaCO3 = CO2 + H2O + Ca =>
HC2H3O2 + 4 CaCO3 = 6 CO2 + 2 H2O + 4 Ca
Cu(IO3)2 = Cu{2+} + IO3{-} =>
Cu(IO3)2 = Cu{2+} + 2 IO3{-}
CdOHCl + HClO4 = CdCl2 + Cd2ClO4 + H2O =>
29 CdOHCl + 5 HClO4 = 13 CdCl2 + 8 Cd2ClO4 + 17 H2O
At + K = AtK =>
At + K = AtK
Sb2S3 + OH{-} = SbO3{-3} + SbS3{-3} + H2O =>
Sb2S3 + 6 OH{-} = SbO3{-3} + SbS3{-3} + 3 H2O
CH3CH2COOH + CH3OH = CH3CH2COOH3 + H2O =>
CH3CH2COOH + 3 CH3OH = 2 CH3CH2COOH3 + H2O
KMn + O = KMnO4 =>
KMn + 4 O = KMnO4
NH4Br + K2CO3 = K2NH4 + BrCO3 =>
NH4Br + K2CO3 = K2NH4 + BrCO3
C2H4(NH2)2 + CuSO4{-2} + H2O = CuC2H4(NH2)2(H2O)2 + SO4{-2} =>
C2H4(NH2)2 + CuSO4{-2} + 2 H2O = CuC2H4(NH2)2(H2O)2 + SO4{-2}
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