| Équations équilibrées la veille | Équations équilibrées le lendemain |
OF2 + H2O = O2 + 2 FH
H + Br2 = HBr3 =>
2 H + 3 Br2 = 2 HBr3
Fe + NO3 + H{+} = Fe{2+} + H2O + NH2OH =>
7 Fe + 2 NO3 + 14 H{+} = 7 Fe{2+} + 4 H2O + 2 NH2OH
Mg + Fe3Cl = Fe + MgCl2 =>
Mg + 2 Fe3Cl = 6 Fe + MgCl2
Hg(Cl03)2 + Pt(N02)4 = Hg(N02)2 + Pt(Cl03)4 =>
2 Hg(Cl03)2 + Pt(N02)4 = 2 Hg(N02)2 + Pt(Cl03)4
H2S + LiOH = H2O + Li2S =>
H2S + 2 LiOH = 2 H2O + Li2S
AgNO3 + K2Cr2O7 = Ag2CrO4 + CrO3 + KNO3 =>
2 AgNO3 + K2Cr2O7 = Ag2CrO4 + CrO3 + 2 KNO3
(NH4)2S(aq) + SrCl2(aq) = (NH4)Cl(s) + SrS =>
(NH4)2S(aq) + SrCl2(aq) = 2(NH4)Cl(s) + SrS
HBr + O = HO + Br =>
HBr + O = HO + Br
PbCl2 + H2O = PbOH + PbCl3 + HCl =>
2 PbCl2 + H2O = PbOH + PbCl3 + HCl
CH2 + O2 = O2C + H2O =>
2 CH2 + 3 O2 = 2 O2C + 2 H2O
Li2O + Be(OH)2 = Li2BeO2 + H2O =>
Li2O + Be(OH)2 = Li2BeO2 + H2O
CoSO3 + Zn(IO3)2 = Zn(SO3)2 + CoIO3 =>
2 CoSO3 + Zn(IO3)2 = Zn(SO3)2 + 2 CoIO3
HBr + MgHBr = H + Br2Mg =>
HBr + MgHBr = 2 H + Br2Mg
Ba(BrO3)2 + Na3PO4 = Ba3(PO4)2 + NaBrO3 =>
3 Ba(BrO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaBrO3
Ca + F2 = Ca2F =>
4 Ca + F2 = 2 Ca2F
HCOOH + C2H5OH = HCOOC2H5 + H2O =>
HCOOH + C2H5OH = HCOOC2H5 + H2O
Al2Si2O5(OH)4 + Mg + H = Mg3Si4O10(OH)2 + Al + H2O =>
2 Al2Si2O5(OH)4 + 3 Mg + 6 H = Mg3Si4O10(OH)2 + 4 Al + 6 H2O
Cr(OH)3 + NaClO = Cr(ClO)3 + NaOH =>
Cr(OH)3 + 3 NaClO = Cr(ClO)3 + 3 NaOH
Ag + Ca(C2H3O2) = AgC2 + CaH3O2 =>
Ag + Ca(C2H3O2) = AgC2 + CaH3O2
C2H4 + H2SO4 + KMnO4 = HCHO + K2SO4 + H2O + MnSO4 =>
5 C2H4 + 6 H2SO4 + 4 KMnO4 = 10 HCHO + 2 K2SO4 + 6 H2O + 4 MnSO4
Cu2O3 + Cl2 = Cu2Cl + O2 =>
2 Cu2O3 + Cl2 = 2 Cu2Cl + 3 O2
[Cu(H2O)4(OH)2] + NH3 = [Cu(NH3)4(H2O)2]2 + OH + H2O =>
2[Cu(H2O)4(OH)2] + 8 NH3 = [Cu(NH3)4(H2O)2]2 + 4 OH + 4 H2O
(Ca(NO3)2)*NH4NO3*10H2O + Na2CO3*10H2O = NaNO3 + CaCO3 + NH3 + CO2 + H2O =>
2(Ca(NO3)2)*NH4NO3*10H2O + 3 Na2CO3*10H2O = 6 NaNO3 + 2 CaCO3 + 2 NH3 + CO2 + 51 H2O
N2H8C2O4 + AlCl3 = Al2C6O12 + NH4Cl =>
3 N2H8C2O4 + 2 AlCl3 = Al2C6O12 + 6 NH4Cl
NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(aq) + NaNO3(aq) =>
3 NaOH(aq) + Fe(NO3)3(aq) = Fe(OH)3(aq) + 3 NaNO3(aq)
CaO + AgNO3 = Ca(NO3)2 + Ag + O2 =>
2 CaO + 4 AgNO3 = 2 Ca(NO3)2 + 4 Ag + O2
Cl2 + CH3CH2OH = C2H4Cl2 + H2O =>
Cl2 + CH3CH2OH = C2H4Cl2 + H2O
Na + OH = Na4OH =>
4 Na + OH = Na4OH
ZnSO4 + Na2HPO4 = Zn3(PO4)2 + H3PO4 + Na2SO4 =>
3 ZnSO4 + 3 Na2HPO4 = Zn3(PO4)2 + H3PO4 + 3 Na2SO4
Ba(OH)2 + HC7H5O2 = H2O + Ba(C7H5O2)2 =>
Ba(OH)2 + 2 HC7H5O2 = 2 H2O + Ba(C7H5O2)2
C4H6O5 + Ca3(PO4)2 = C4H4CaO5 + H3PO4 =>
3 C4H6O5 + Ca3(PO4)2 = 3 C4H4CaO5 + 2 H3PO4
Cu + NH4OH = Cu(NO3)2 + NH3 + H2 =>
Cu + 6 NH4OH = Cu(NO3)2 + 4 NH3 + 9 H2
HC2H3O2(aq) + NaHCO3(aq) = NaC2H3O2(aq) + H2O(aw) + CO2(g) =>
HC2H3O2(aq) + NaHCO3(aq) = NaC2H3O2(aq) + H2O(aw) + CO2(g)
Cr7N66H96C42O24 + MnO4{-} + H{+} = Cr2O7{2-} + Mn{2+} + CO2 + NO3{-} + H2 =>
16 Cr7N66H96C42O24 + 1130 MnO4{-} + 2222 H{+} = 56 Cr2O7{2-} + 1130 Mn{2+} + 672 CO2 + 1056 NO3{-} + 1879 H2
CuSO4 + BaCl2(aq) = BaSO4(s) + CuCl2(aq) =>
CuSO4 + BaCl2(aq) = BaSO4(s) + CuCl2(aq)
F + Pb2 = F1Pb2 =>
F + Pb2 = F1Pb2
HNO3 + BaS2O3 = S + SO2 + H2O + Ba(NO3)2 =>
2 HNO3 + BaS2O3 = S + SO2 + H2O + Ba(NO3)2
Mg(s) + CaBr2(aq) = Ca(s) + MgBr2 =>
Mg(s) + CaBr2(aq) = Ca(s) + MgBr2
HCOOH + K = HCKOOH =>
HCOOH + K = HCKOOH
OH({-}) + Fe({2+}) = Fe(OH)2 =>
2 OH({-}) + Fe({2+}) = Fe(OH)2
BaCl2 + K2Cr2O7 + CH3COONa + H2O = BaCrO4 + KCl + Na2CrO4 + CH3COOH =>
BaCl2 + K2Cr2O7 + 2 CH3COONa + H2O = BaCrO4 + 2 KCl + Na2CrO4 + 2 CH3COOH
NaHCO3 + HC2HO2 = NaH3O2 + HC2HCO3 =>
NaHCO3 + 4 HC2HO2 = NaH3O2 + 3 HC2HCO3
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
Ca + Cu2{+} = Cu + Ca2{+} =>
2 Ca + Cu2{+} = 2 Cu + Ca2{+}
Na2MnO4 + SO2 + HNO3 = NaNO3 + Mn(NO3)2 + H2SO4 =>
Na2MnO4 + 2 SO2 + 4 HNO3 = 2 NaNO3 + Mn(NO3)2 + 2 H2SO4
Na3Po4 + H3Po4 = Na2HPo4 =>
2 Na3Po4 + H3Po4 = 3 Na2HPo4
CH3OH(l) + O2(g) = CO2(l) + H2O =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(l) + 4 H2O
LiOH + NaHCO3 = LiNaCO3 + H2O =>
LiOH + NaHCO3 = LiNaCO3 + H2O
Cu(CH3COO)2 + H2NCH2COOH = Cu(H2NCH2COO)2 + CH3COOH =>
Cu(CH3COO)2 + 2 H2NCH2COOH = Cu(H2NCH2COO)2 + 2 CH3COOH
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