| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 MoO3 + 2 NH3 = 3 Mo2O5 + N2 + 3 H2O
C4H8O + O2 = H2OCO2 =>
2 C4H8O + 11 O2 = 8 H2OCO2
P4 + SO2 = P4S + O =>
P4 + SO2 = P4S + 2 O
C2H5OH + K2CrO7 + HCl = CH3COOH + CrCl3 + KCl + H2O =>
9 C2H5OH + 4 K2CrO7 + 20 HCl = 9 CH3COOH + 4 CrCl3 + 8 KCl + 19 H2O
Mn(CH3COO)2 + K3PO4 = Mn3(PO4)2 + KCH3COO =>
3 Mn(CH3COO)2 + 2 K3PO4 = Mn3(PO4)2 + 6 KCH3COO
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
Cs2SO4 + HI = CsI + H2SO4 =>
Cs2SO4 + 2 HI = 2 CsI + H2SO4
Al(s) + Br2(l) = Al2Br3(s) =>
4 Al(s) + 3 Br2(l) = 2 Al2Br3(s)
H3Po4(aq) + KOH(aq) = H2O(l) + K3Po4(aq) =>
H3Po4(aq) + 3 KOH(aq) = 3 H2O(l) + K3Po4(aq)
(NH4)2S + HCl = (NH4)Cl + H2S =>
(NH4)2S + 2 HCl = 2(NH4)Cl + H2S
KOH(aq) + H3PO4(aq) = K3PO4(aq) + H2O =>
3 KOH(aq) + H3PO4(aq) = K3PO4(aq) + 3 H2O
Pb2(NO3) + KI = Pb2I + K(NO3) =>
Pb2(NO3) + KI = Pb2I + K(NO3)
CS2(l) + O2(g) = CO2(g) + SO2(g) =>
CS2(l) + 3 O2(g) = CO2(g) + 2 SO2(g)
HCl(aq) + Ba(OH)2(aq) = BaCl2 + H2O =>
2 HCl(aq) + Ba(OH)2(aq) = BaCl2 + 2 H2O
Cu + Au3AsO3 = Au + Cu3AsO3 =>
3 Cu + Au3AsO3 = 3 Au + Cu3AsO3
Al2(CO3)3 + H2C2O4 = CO2 + H2O + Al2(C2O4)3 =>
Al2(CO3)3 + 3 H2C2O4 = 3 CO2 + 3 H2O + Al2(C2O4)3
C2O5H2 = CO2 + H2O =>
C2O5H2 = 2 CO2 + H2O
Li2O + H3PO4 = H2O + Li3PO4 =>
3 Li2O + 2 H3PO4 = 3 H2O + 2 Li3PO4
Cu(s) + HNO3(ac) = Cu(NO3)2(s) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(ac) = 3 Cu(NO3)2(s) + 2 NO(g) + 4 H2O(l)
CaO + Cl = CaCl2 + O2 =>
2 CaO + 4 Cl = 2 CaCl2 + O2
Na2S + HNO3 = NaNO3 + NO2 + S + H2O =>
Na2S + 4 HNO3 = 2 NaNO3 + 2 NO2 + S + 2 H2O
CH3COOH(l) + O2 = H2O(l) + CO2(g) =>
CH3COOH(l) + 2 O2 = 2 H2O(l) + 2 CO2(g)
C3H5OS2 + O2 = CO2 + H2O + SO4 =>
4 C3H5OS2 + 31 O2 = 12 CO2 + 10 H2O + 8 SO4
AgNO3 + H2OI = AgOI + H2NO3 =>
AgNO3 + H2OI = AgOI + H2NO3
Li2O + H3PO4 = H2O + Li3PO4 =>
3 Li2O + 2 H3PO4 = 3 H2O + 2 Li3PO4
NaOH + (NH4)3Po4 = Na3Po4 + H2O + NH3 =>
3 NaOH + (NH4)3Po4 = Na3Po4 + 3 H2O + 3 NH3
Al(s) + Br2(l) = Al2Br6(s) =>
2 Al(s) + 3 Br2(l) = Al2Br6(s)
Al(s) + Br2(l) = AlBr3 =>
2 Al(s) + 3 Br2(l) = 2 AlBr3
Al(OH)3 + KCl = AlCl3 + KOH =>
Al(OH)3 + 3 KCl = AlCl3 + 3 KOH
Mg(HSO3)2 + HNO3 = Mg(NO3)2 + H2O + SO2 =>
Mg(HSO3)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O + 2 SO2
CS2(l) + O2(g) = CO2(g) + SO2(g) =>
CS2(l) + 3 O2(g) = CO2(g) + 2 SO2(g)
TiCl4(g) + Mg(l) = Ti(s) + MgCl2 =>
TiCl4(g) + 2 Mg(l) = Ti(s) + 2 MgCl2
Zn(C18H35O2)2 + H2O = C18H36O2 + ZnO =>
Zn(C18H35O2)2 + H2O = 2 C18H36O2 + ZnO
CH5N + HNO3 = N2 + CH3OH + H2O =>
5 CH5N + 3 HNO3 = 4 N2 + 5 CH3OH + 4 H2O
Ca3(PO4)2(s) + H2SO4(aq) = CaSO4(s) + H3PO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 3 CaSO4(s) + 2 H3PO4(aq)
NaCHO3 + HC2H3O2 = NaC2H3O2 + H2O + CO2 =>
NaCHO3 + HC2H3O2 = NaC2H3O2 + H2O + CO2
NaIO3 + Cl2 + NaOH = NaIO4 + NaCl + H2O =>
NaIO3 + Cl2 + 2 NaOH = NaIO4 + 2 NaCl + H2O
LiCO3 + CaOH2 = LiOH2 + CaCO3 =>
LiCO3 + CaOH2 = LiOH2 + CaCO3
Al(s) + Br2(l) = Al2Br3(s) =>
4 Al(s) + 3 Br2(l) = 2 Al2Br3(s)
Rb3PO4 + H2SO4 = Rb2SO4 + H3PO4 =>
2 Rb3PO4 + 3 H2SO4 = 3 Rb2SO4 + 2 H3PO4
C2H5OH + MnO4{-} = C2H3O2{-} + MnO2 + OH{-} + H2O =>
3 C2H5OH + 4 MnO4{-} = 3 C2H3O2{-} + 4 MnO2 + OH{-} + 4 H2O
Cu + H2CO3 = CuCO3 + H =>
Cu + H2CO3 = CuCO3 + 2 H
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Al(OH)3 + NaOH + H2O = Na[Al(OH)6] + H2 =>
Al(OH)3 + NaOH + 2 H2O = Na[Al(OH)6] + H2
KNO3 + Mg = KNO + MgO =>
KNO3 + 2 Mg = KNO + 2 MgO
MnCl4 + (NH4)2S = MnS2 + NH4Cl =>
MnCl4 + 2(NH4)2S = MnS2 + 4 NH4Cl
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(s) + NH4C2H3O2(aq) =>
(NH4)2SO4(aq) + Ba(C2H3O2)2(aq) = BaSO4(s) + 2 NH4C2H3O2(aq)
Ca3(PO4)2 = Ca3P2O8 =>
Ca3(PO4)2 = Ca3P2O8
H3Po4(aq) + KOH(aq) = H2O(l) + K3Po4(aq) =>
H3Po4(aq) + 3 KOH(aq) = 3 H2O(l) + K3Po4(aq)
SiO2 + NaOH + H2O = Na2SiO5 + H2 =>
SiO2 + 2 NaOH + H2O = Na2SiO5 + 2 H2
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