| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(PO4)2 + 2 H2 = 2 H2PO4 + Ca
Cr(OH)3 + HCOOH = Cr(HCOO)3 + H2O =>
Cr(OH)3 + 3 HCOOH = Cr(HCOO)3 + 3 H2O
C2H5SH + O2 = CO2(g) + H2O(g) + SO2(g) =>
2 C2H5SH + 9 O2 = 4 CO2(g) + 6 H2O(g) + 2 SO2(g)
MnCl2 + HNO3 = Mn(NO3)2 + HCl =>
MnCl2 + 2 HNO3 = Mn(NO3)2 + 2 HCl
Ag2C2O4 + H{+} = Ag{+} + HC2O4{-} =>
Ag2C2O4 + H{+} = 2 Ag{+} + HC2O4{-}
Bi2Te3 + BaCO3 + SrO + CuO = Ba2Bi2Te3Sr2Cu3O7 + CO2 =>
Bi2Te3 + 2 BaCO3 + 2 SrO + 3 CuO = Ba2Bi2Te3Sr2Cu3O7 + 2 CO2
Na4P2O7*10H2O + Al2(SO4)3*18H2O = Al4(P2O7)3 + Na2SO4 + H2O =>
3 Na4P2O7*10H2O + 2 Al2(SO4)3*18H2O = Al4(P2O7)3 + 6 Na2SO4 + 66 H2O
Na3V3O9 + NaOH = Na4V2O7 + H2O =>
2 Na3V3O9 + 6 NaOH = 3 Na4V2O7 + 3 H2O
C2H5OH + NaBr = NaOH + C2H5Br =>
C2H5OH + NaBr = NaOH + C2H5Br
LiClO4 + Cr + HCl = CrCl3 + LiCl + H2O =>
3 LiClO4 + 8 Cr + 24 HCl = 8 CrCl3 + 3 LiCl + 12 H2O
H2O + IO = O2 + HI =>
2 H2O + 4 IO = 3 O2 + 4 HI
CuCl2 + ZnSO4 = CuSO4 + ZnCl2 =>
CuCl2 + ZnSO4 = CuSO4 + ZnCl2
AgNO3 + Cu = Cu(NO3)1 + Ag =>
AgNO3 + Cu = Cu(NO3)1 + Ag
NaN3 = Na + N7 =>
7 NaN3 = 7 Na + 3 N7
C7H15COH + H2 = C8H17OH =>
C7H15COH + H2 = C8H17OH
MgCl2 + H2CO3 = Mg(CO3) + HCl =>
MgCl2 + H2CO3 = Mg(CO3) + 2 HCl
I2 + ClO3{-} + H2O{-} = IO3{-} + Cl{-} + H{+} =>
9 I2 + 16 ClO3{-} + 6 H2O{-} = 18 IO3{-} + 16 Cl{-} + 12 H{+}
NiI2 + BaS = NiS + BaI2 =>
NiI2 + BaS = NiS + BaI2
LiBr + MgCO3 = Li2CO3 + MgBr2 =>
2 LiBr + MgCO3 = Li2CO3 + MgBr2
CH3CHOHCH3 + PCl5 = CH3CHClCH3 + POCl3 + H2O =>
2 CH3CHOHCH3 + PCl5 = 2 CH3CHClCH3 + POCl3 + H2O
Mg2 + HCl2 = MgH + Cl =>
Mg2 + 2 HCl2 = 2 MgH + 4 Cl
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
PtO2 + H2O = Pt + OH =>
PtO2 + 2 H2O = Pt + 4 OH
SO2 + NaOH(aq) = Na2SO3(aq) + H2O(l) =>
SO2 + 2 NaOH(aq) = Na2SO3(aq) + H2O(l)
(CO2H)2 + MnO4{-} + H{+} = Mn{2+} + H2O + CO2 =>
5(CO2H)2 + 2 MnO4{-} + 6 H{+} = 2 Mn{2+} + 8 H2O + 10 CO2
[Cr(H2N2CO)]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2SO4 + KNO3 + MnSO4 + CO2 + H2O + K2Cr2O7 =>
2[Cr(H2N2CO)]4[Cr(CN)6]3 + 104 KMnO4 + 123 H2SO4 = 19 K2SO4 + 52 KNO3 + 104 MnSO4 + 44 CO2 + 131 H2O + 7 K2Cr2O7
Al4Si3O10(OH)8 = Al + SiO2(aq) + O2 + OH =>
Al4Si3O10(OH)8 = 4 Al + 3 SiO2(aq) + 2 O2 + 8 OH
AlCl3 + HCl = HAlCl4 =>
AlCl3 + HCl = HAlCl4
H3PO4(aq) + NaHCO3(aq) = Na3PO4(aq) + CO2(g) + H2O(l) =>
H3PO4(aq) + 3 NaHCO3(aq) = Na3PO4(aq) + 3 CO2(g) + 3 H2O(l)
KAuCl4 + Na2CO3 + H2O = Au(OH)3 + CO2 + NaCl + KCl =>
2 KAuCl4 + 3 Na2CO3 + 3 H2O = 2 Au(OH)3 + 3 CO2 + 6 NaCl + 2 KCl
AgNO3 + Cu2(SO4)2 = Cu(NO3)2 + Ag2SO4 =>
4 AgNO3 + Cu2(SO4)2 = 2 Cu(NO3)2 + 2 Ag2SO4
NaClKI = NaIKCl =>
NaClKI = NaIKCl
Sc + S = ScS =>
Sc + S = ScS
W(NO3)4 + NaOH = NaNO3 + W(OH)4 =>
W(NO3)4 + 4 NaOH = 4 NaNO3 + W(OH)4
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NH4HS(s) = NH3(g) + H2S(g) =>
NH4HS(s) = NH3(g) + H2S(g)
H2SO4 + BaCl2 = HCl + BaSO4 =>
H2SO4 + BaCl2 = 2 HCl + BaSO4
Sr(NO3)2(aq) + CuSO4(aq) = SrSO4(precipitate) + Cu(NO3)2 =>
Sr(NO3)2(aq) + CuSO4(aq) = SrSO4(precipitate) + Cu(NO3)2
HNO3(aq) + Cu(s) = Cu(NO3)2(aq) + H2O(l) + NO2(g) =>
4 HNO3(aq) + Cu(s) = Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g)
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
F2 + H2O = HF + O3 =>
3 F2 + 3 H2O = 6 HF + O3
NaFeO2 + NaNO3 + NaOH = Na2FeO4 + NaNO2 + H2O =>
2 NaFeO2 + 3 NaNO3 + 2 NaOH = 2 Na2FeO4 + 3 NaNO2 + H2O
Pa(OH)4 + O2 = Pa2O5 + H2O =>
4 Pa(OH)4 + O2 = 2 Pa2O5 + 8 H2O
BrO3{-} + [Fe(CN)6]{4-} + H{+} = Br{-} + [Fe(CN)6]{3-} + H2O =>
BrO3{-} + 6[Fe(CN)6]{4-} + 6 H{+} = Br{-} + 6[Fe(CN)6]{3-} + 3 H2O
Cu + HCl + O2 = CuCl2 + H2O =>
2 Cu + 4 HCl + O2 = 2 CuCl2 + 2 H2O
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
Li(s) + MgBr(aq) = Mg(s) + LiBr(aq) =>
Li(s) + MgBr(aq) = Mg(s) + LiBr(aq)
PdCo(HSe)7 + O2 = SeO + Co2O3 + PdO2 + H2O =>
2 PdCo(HSe)7 + 14 O2 = 14 SeO + Co2O3 + 2 PdO2 + 7 H2O
KNO3 + B4C = N2 + K2O + B2O3 + CO2 =>
16 KNO3 + 5 B4C = 8 N2 + 8 K2O + 10 B2O3 + 5 CO2
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