| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2O + O2 = 2 H2O2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
MgCl2 + H2SO4 = HCl + MgSO4 =>
MgCl2 + H2SO4 = 2 HCl + MgSO4
MgSO3 + O2 = MgSO4 =>
2 MgSO3 + O2 = 2 MgSO4
C6H8O7*H2O + NH4OH = C6H17N3O7 + H2O =>
C6H8O7*H2O + 3 NH4OH = C6H17N3O7 + 4 H2O
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
C4H8O2 + K2Cr2O7 + H2SO4 = C4H8O3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C4H8O2 + K2Cr2O7 + 4 H2SO4 = 3 C4H8O3 + K2SO4 + Cr2(SO4)3 + 4 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
N2O + H2O2 = N2O5 + H2O =>
N2O + 4 H2O2 = N2O5 + 4 H2O
ZnCl2 + K2SO3 = ZnSO3 + KCl =>
ZnCl2 + K2SO3 = ZnSO3 + 2 KCl
BaCO3 + H{+} = Ba{+2} + CO2 + H2O =>
BaCO3 + 2 H{+} = Ba{+2} + CO2 + H2O
Cr(OH)3 + Cl3 + KOH = K2CrO4 + KCl + H2O =>
Cr(OH)3 + Cl3 + 5 KOH = K2CrO4 + 3 KCl + 4 H2O
K2Cr2O7 + ZnCl2 + H2TeO4 = Cr2(TeO4)3 + K2TeO4 + ZnTeO4 + Cl2 + H2O =>
K2Cr2O7 + 3 ZnCl2 + 7 H2TeO4 = Cr2(TeO4)3 + K2TeO4 + 3 ZnTeO4 + 3 Cl2 + 7 H2O
(NH4)2MoO4 + HCl = NH4Cl + H2MoO4 =>
(NH4)2MoO4 + 2 HCl = 2 NH4Cl + H2MoO4
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SO3{2-} + Co(OH)2 = Co + SO4{2-} + H2O =>
SO3{2-} + Co(OH)2 = Co + SO4{2-} + H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
CH3OH + CH3CH2COOH = H2O + CH3CH2COOCH4 =>
7 CH3OH + 3 CH3CH2COOH = 5 H2O + 4 CH3CH2COOCH4
C15H31COOH + O2 = CO2 + H2O =>
C15H31COOH + 23 O2 = 16 CO2 + 16 H2O
H3Po4 + MgCl2 = Mg3(Po4)2 + HCl =>
2 H3Po4 + 3 MgCl2 = Mg3(Po4)2 + 6 HCl
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
CO2 + NH2OH = CO + N2 + H2O =>
CO2 + 2 NH2OH = CO + N2 + 3 H2O
(NH4)2MoO4 + HCl = NH4Cl + H2MoO4 =>
(NH4)2MoO4 + 2 HCl = 2 NH4Cl + H2MoO4
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
NaAl(OH)4 + HBr = NaBr + Al(OH)3 + H2O =>
NaAl(OH)4 + HBr = NaBr + Al(OH)3 + H2O
HCl + AgC2H3O2 = AgCl + HC2H3O2 =>
HCl + AgC2H3O2 = AgCl + HC2H3O2
HgNO3 + Na2S = Hg2S + NaNO3 =>
2 HgNO3 + Na2S = Hg2S + 2 NaNO3
K2CrO4 + H2SO4 + NaOH = K2SO4 + Na2CrO4 + H2O =>
K2CrO4 + H2SO4 + 2 NaOH = K2SO4 + Na2CrO4 + 2 H2O
CaBr2 + Li2O = CaO + LiBr =>
CaBr2 + Li2O = CaO + 2 LiBr
Li2CO3 + CH3COOH = CH3COOLi + CO2 + H2O =>
Li2CO3 + 2 CH3COOH = 2 CH3COOLi + CO2 + H2O
NaNO3 + Cu + H2SO4 = NO2 + H2O + CuSO4 + Na2SO4 =>
2 NaNO3 + Cu + 2 H2SO4 = 2 NO2 + 2 H2O + CuSO4 + Na2SO4
K2S + Br2 + KOH = K2SO4 + KBr + H2O =>
K2S + 4 Br2 + 8 KOH = K2SO4 + 8 KBr + 4 H2O
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
AgCO3 + HBr = HCO3 + AgBr =>
AgCO3 + HBr = HCO3 + AgBr
NO3{-} + Cu + H{+} = NO2 + Cu{+2} + H2O =>
2 NO3{-} + Cu + 4 H{+} = 2 NO2 + Cu{+2} + 2 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Hg + C2H5NS = HgS + C2H5N =>
Hg + C2H5NS = HgS + C2H5N
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
HIO + Cl2 = HClO + I2 =>
2 HIO + Cl2 = 2 HClO + I2
FeCl2 + Co = Fe + CoCl3 =>
3 FeCl2 + 2 Co = 3 Fe + 2 CoCl3
SO2Cl2 + Ba(OH)2 = BaCl2 + H2SO4 =>
SO2Cl2 + Ba(OH)2 = BaCl2 + H2SO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Na2SO4 + FeCl2 = NaCl + FeSO4 =>
Na2SO4 + FeCl2 = 2 NaCl + FeSO4
HI + H2O = H3O + I =>
HI + H2O = H3O + I
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Br2 + K2S = KBr + S =>
Br2 + K2S = 2 KBr + S
Sn(OH)4 + KOH = K2[Sn(OH)6] =>
Sn(OH)4 + 2 KOH = K2[Sn(OH)6]
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