| Équations équilibrées la veille |
3 Mg + Zn3(PO4)2 = Mg3(PO4)2 + 3 Zn
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO2 + H2O =>
CuFeS2 + 22 HNO3 = Cu(NO3)2 + Fe(NO3)3 + 2 H2SO4 + 17 NO2 + 9 H2O
NO + NaOH = N(OH)2 + Na2O =>
NO + 2 NaOH = N(OH)2 + Na2O
NaHCO3 + O2 = Na2CO3 + CO3 + H2O =>
4 NaHCO3 + O2 = 2 Na2CO3 + 2 CO3 + 2 H2O
Ne + Br2 = NeBr2 =>
Ne + Br2 = NeBr2
Mg(HCO3)2 + HCl = MgCl2 + H2O + CO2 =>
Mg(HCO3)2 + 2 HCl = MgCl2 + 2 H2O + 2 CO2
AuCl3 + FeSO4 = Fe2(SO4)3 + FeCl2 + Au =>
2 AuCl3 + 9 FeSO4 = 3 Fe2(SO4)3 + 3 FeCl2 + 2 Au
Na2(CO3) + NaI = Na2I + Na(CO3) =>
Na2(CO3) + NaI = Na2I + Na(CO3)
Pb + HClO4 = Pb(ClO4) + H2 =>
2 Pb + 2 HClO4 = 2 Pb(ClO4) + H2
CO(g) + H2(g) = CH4(g) + O2(g) =>
2 CO(g) + 4 H2(g) = 2 CH4(g) + O2(g)
Li2CO3 + Pb2(CIO3)2 = Pb2(CO3)2 + Li2CIO3 =>
2 Li2CO3 + Pb2(CIO3)2 = Pb2(CO3)2 + 2 Li2CIO3
Na + HOH = H2 + NaO =>
Na + HOH = H2 + NaO
K2SiO3 + HCl = KCl + SiO2 + H2O =>
K2SiO3 + 2 HCl = 2 KCl + SiO2 + H2O
Li2CO3 + H2 = Li2O + H2O + C =>
Li2CO3 + 2 H2 = Li2O + 2 H2O + C
Pb(NO3)2(aq) + Na3PO3(aq) = NaNO3(aq) + Pb3(PO3)2(s) =>
3 Pb(NO3)2(aq) + 2 Na3PO3(aq) = 6 NaNO3(aq) + Pb3(PO3)2(s)
Ni(s)I2(s) = NiI2(s) =>
Ni(s)I2(s) = NiI2(s)
C6H5COOH + NaHCO3 = C6H5COONa + H2O + CO3 =>
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
As + Na = Na2As =>
As + 2 Na = Na2As
CuCl2 + NH3 + H2O = [Cu(NH3)4(H2O)2]{2+} + OH{-} + NH4Cl(aq) =>
CuCl2 + 6 NH3 + 4 H2O = [Cu(NH3)4(H2O)2]{2+} + 2 OH{-} + 2 NH4Cl(aq)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaCl2 + KNO3 = Ca(NO3)2 + ClK =>
CaCl2 + 2 KNO3 = Ca(NO3)2 + 2 ClK
HCI + H = H2CI =>
HCI + H = H2CI
Fe + H2SO4 = FeH2SO4 =>
Fe + H2SO4 = FeH2SO4
P2O5 + Cl2 + C = POCl3 + CO =>
P2O5 + 3 Cl2 + 3 C = 2 POCl3 + 3 CO
SrCO3 + BaCl2 = SrCl2 + BaCO3 =>
SrCO3 + BaCl2 = SrCl2 + BaCO3
CH3CH2CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3(CO)CH2CH3 + H2O =>
3 CH3CH2CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3(CO)CH2CH3 + 7 H2O
CaH4 + H2O = Ca(OH)2 + H2 =>
CaH4 + 2 H2O = Ca(OH)2 + 3 H2
AgBr + (NH4)2S = Ag2S + NH4Br =>
2 AgBr + (NH4)2S = Ag2S + 2 NH4Br
Na{+} + CO3{2-} = Na2CO3 =>
2 Na{+} + CO3{2-} = Na2CO3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Ag2S(s) + Al(s) + H2O(l) = Ag(s) + Al2O3(s) + H2S(aq) =>
3 Ag2S(s) + 2 Al(s) + 3 H2O(l) = 6 Ag(s) + Al2O3(s) + 3 H2S(aq)
C4H9NH2 + HNO2 = N2 + CO2 + H2O =>
C4H9NH2 + 9 HNO2 = 5 N2 + 4 CO2 + 10 H2O
K + BeCl2 = BeK + Cl2 =>
K + BeCl2 = BeK + Cl2
FeCl3(aq) + NaOH = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH = Fe(OH)3(s) + 3 NaCl(aq)
Fe{+3} + KSCN = Fe(SCN)3 + K{+} =>
Fe{+3} + 3 KSCN = Fe(SCN)3 + 3 K{+}
NH3 + Br2 = NH4Br + N2 =>
8 NH3 + 3 Br2 = 6 NH4Br + N2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CaBr2 + H2SO4 + MnO2 = CaSO4 + MnSO4 + H2O + Br2 =>
CaBr2 + 2 H2SO4 + MnO2 = CaSO4 + MnSO4 + 2 H2O + Br2
Cu(NO3)2 = Cu + NO2 + O =>
Cu(NO3)2 = Cu + 2 NO2 + 2 O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
ZnF = Zn + F =>
ZnF = Zn + F
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C2H5OH1 + O2(g) = CO2(g) + H2O(g) =>
C2H5OH1 + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
KMnO4 + NaNO2 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O + NO2 =>
2 KMnO4 + 10 NaNO2 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O + 10 NO2
MgCIO3 = MgO + CIO2 =>
MgCIO3 = MgO + CIO2
Mn2O3 + HF = MnF2 + F2 + H2O =>
Mn2O3 + 6 HF = 2 MnF2 + F2 + 3 H2O
H3PO4 + Fe = Fe(H2PO4)2 + H =>
2 H3PO4 + Fe = Fe(H2PO4)2 + 2 H
MgSO4 + Fe(NO3)3 = Fe2(SO4)3 + Mg(NO3)2 =>
3 MgSO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 3 Mg(NO3)2
Ag + AlCl3 + NaC2H3O2 = AgC2H3O2 + Al + NaCl =>
3 Ag + AlCl3 + 3 NaC2H3O2 = 3 AgC2H3O2 + Al + 3 NaCl
Cu4Cl11 + Zn = Cu + ZnCl2 =>
2 Cu4Cl11 + 11 Zn = 8 Cu + 11 ZnCl2
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