| Équations équilibrées la veille | Équations équilibrées le lendemain |
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Zn + PbBr4 = Pb + ZnBr2 =>
2 Zn + PbBr4 = Pb + 2 ZnBr2
CuSO4 + Mg = Cu + MgSO4 =>
CuSO4 + Mg = Cu + MgSO4
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Na2CO3 + Pb(NO3)2 = Pb(CO3) + NaNO3 =>
Na2CO3 + Pb(NO3)2 = Pb(CO3) + 2 NaNO3
Pb + NH4OH + HNO3 = PbNH4OHHNO3 =>
Pb + NH4OH + HNO3 = PbNH4OHHNO3
AgF(aq) + (NH4)2S(aq) = Ag2S(s) + NH4F(aq) =>
2 AgF(aq) + (NH4)2S(aq) = Ag2S(s) + 2 NH4F(aq)
KNO2 + H2SO4 = KHSO4 + HNO3 + H2O + NO =>
3 KNO2 + 3 H2SO4 = 3 KHSO4 + HNO3 + H2O + 2 NO
Mg(NO3)2 + KOH = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 KNO3
Na2Cr2O7 + HBr2 = NaBr + CrBr3 + Br2 + H2O =>
Na2Cr2O7 + 14 HBr2 = 2 NaBr + 2 CrBr3 + 10 Br2 + 7 H2O
Al2(SO4)3 + NH3 = AlNH3 + SO4 =>
Al2(SO4)3 + 2 NH3 = 2 AlNH3 + 3 SO4
Ba(OH)2 + Na2(SO4)2 = Na(OH) + Ba(SO4)2 =>
Ba(OH)2 + Na2(SO4)2 = 2 Na(OH) + Ba(SO4)2
AlF3 + Li2CO3 = LiF + Al2(CO3)3 =>
2 AlF3 + 3 Li2CO3 = 6 LiF + Al2(CO3)3
HNO2 + Cu = CuNO3 + NO + H2O =>
4 HNO2 + Cu = CuNO3 + 3 NO + 2 H2O
Li2CO3 + H2CO3 = LiOH + CO2 =>
Li2CO3 + H2CO3 = 2 LiOH + 2 CO2
Br2 + HCl = HBr + Cl2 =>
Br2 + 2 HCl = 2 HBr + Cl2
MnO + KClO4 + KOH = K2MnO4 + KCl + H2O =>
2 MnO + KClO4 + 4 KOH = 2 K2MnO4 + KCl + 2 H2O
Fe{3+} + L{-} = L + Fe =>
Fe{3+} + 3 L{-} = 3 L + Fe
Fe(ClO2)3 + K2CO3 = Fe2(CO3)3 + KClO2 =>
2 Fe(ClO2)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KClO2
Mn(NO3)2 + NH4OH = Mn(OH)2 + NH4(NO3) =>
Mn(NO3)2 + 2 NH4OH = Mn(OH)2 + 2 NH4(NO3)
(CaSO3)2 = CaO + SO2 =>
(CaSO3)2 = 2 CaO + 2 SO2
H2O2 + I{-} + H{+} = I{+} + H2O =>
H2O2 + I{-} + 2 H{+} = I{+} + 2 H2O
CsOH + MgCl = MgOH + CsCl =>
CsOH + MgCl = MgOH + CsCl
Mg(s) + NaCl(aq) = Na + MgCl2 =>
Mg(s) + 2 NaCl(aq) = 2 Na + MgCl2
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
C2H3Cl3 + O2 = CO + H2O + Cl2 =>
4 C2H3Cl3 + 7 O2 = 8 CO + 6 H2O + 6 Cl2
Mg + H3NSO3 = H2 + Mg(NSO3) =>
2 Mg + 2 H3NSO3 = 3 H2 + 2 Mg(NSO3)
C6H14O7 + CH3OH = C7H7OH + H2O =>
2 C6H14O7 + 9 CH3OH = 3 C7H7OH + 20 H2O
H2O + NiO = Ni + OH =>
H2O + NiO = Ni + 2 OH
Mn(NO3) + KOH = K(NO3) + Mn(OH) =>
Mn(NO3) + KOH = K(NO3) + Mn(OH)
Mg + H2O = Mg(OH)2H2 =>
Mg + 2 H2O = Mg(OH)2H2
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
Na2SO4 + Ba(NO3)3 = NaNO3 + Ba2(SO4)3 =>
3 Na2SO4 + 2 Ba(NO3)3 = 6 NaNO3 + Ba2(SO4)3
Al2(SO4)3 + Ca(OH) = Al(OH)3 + Ca2SO4 =>
Al2(SO4)3 + 6 Ca(OH) = 2 Al(OH)3 + 3 Ca2SO4
CaCl2(ac) + K2CO3(ac) = CaCO3(s) + KCl(ac) =>
CaCl2(ac) + K2CO3(ac) = CaCO3(s) + 2 KCl(ac)
LiBr + H2O = LiOH + Br2 + H2 =>
2 LiBr + 2 H2O = 2 LiOH + Br2 + H2
N(subscript)2 + H(subscript)2 = NH(subscript)3 =>
N(subscript)2 + 3 H(subscript)2 = 2 NH(subscript)3
FeCl2 + KHS = FeS + HCl + KCl =>
FeCl2 + KHS = FeS + HCl + KCl
Zn + Br2 = ZnBr2 =>
Zn + Br2 = ZnBr2
Ni + NaClO3 = NiO + NaCl =>
3 Ni + NaClO3 = 3 NiO + NaCl
Hg(NO3)2 + Na2S = Hg3S2(NO3)2 + NaNO3 =>
3 Hg(NO3)2 + 2 Na2S = Hg3S2(NO3)2 + 4 NaNO3
CaI2 + KOH = Ca(OH)2 + KI =>
CaI2 + 2 KOH = Ca(OH)2 + 2 KI
CH3CH2OH + KMnO4 + H2SO4 = CH3COH + MnSO4 + H2O + KSO4 =>
2 CH3CH2OH + KMnO4 + 2 H2SO4 = 2 CH3COH + MnSO4 + 4 H2O + KSO4
B3N3H12O6 + O2 = B2O3 + N2 + H2O =>
4 B3N3H12O6 + 9 O2 = 6 B2O3 + 6 N2 + 24 H2O
HCOH + AgO = HCOOH + Ag =>
HCOH + AgO = HCOOH + Ag
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
O + Pb = PbO =>
O + Pb = PbO
S67 = S68 =>
68 S67 = 67 S68
Fe(CN)6K4 + H2O2 + H2SO4 = Fe(CN)6K3 + K2SO4 + H2O =>
2 Fe(CN)6K4 + H2O2 + H2SO4 = 2 Fe(CN)6K3 + K2SO4 + 2 H2O
C17H36O2 + O2 = CO2 + H2O =>
C17H36O2 + 25 O2 = 17 CO2 + 18 H2O
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