| Équations équilibrées la veille |
2 CH3OH + H2 = C2H6 + 2 H2O
Na2CO3 + CH3OOH = NaCH3COO + CO2 + H2O =>
Na2CO3 + 4 CH3OOH = 2 NaCH3COO + CO2 + 5 H2O
FeBr3 + Sr(OH)2 = SrBr2 + Fe(OH)3 =>
2 FeBr3 + 3 Sr(OH)2 = 3 SrBr2 + 2 Fe(OH)3
CuS + HNO3 = NO + S + H2O + CuNO3 =>
3 CuS + 4 HNO3 = NO + 3 S + 2 H2O + 3 CuNO3
AgNO3 + H2O + H3PO2 = Ag + H3PO4 + HNO3 =>
4 AgNO3 + 2 H2O + H3PO2 = 4 Ag + H3PO4 + 4 HNO3
Co(OH)2 = CoO + H2O =>
Co(OH)2 = CoO + H2O
Na2B4O7 + H2O = NaB(OH)4 + B(OH)3 =>
Na2B4O7 + 7 H2O = 2 NaB(OH)4 + 2 B(OH)3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
NaCIO3 = NaCI + O2 =>
2 NaCIO3 = 2 NaCI + 3 O2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NaHC(O)3 + HCl = NaCl + (H)2O + C(O)2 =>
NaHC(O)3 + HCl = NaCl + (H)2O + C(O)2
MnSO4 + AgNO3 + (NH4)2S2O8 = (NH4)2SO4 + Mn(NO3)2 + Ag2S2O8 =>
MnSO4 + 2 AgNO3 + (NH4)2S2O8 = (NH4)2SO4 + Mn(NO3)2 + Ag2S2O8
Ba(oh)2 + Fe2(SO4)3 = Fe(oh)3 + BaSO4 =>
9 Ba(oh)2 + 6 Fe2(SO4)3 = 4 Fe(oh)3 + 18 BaSO4
OF2(g) + H2O(l) = O2(g) + HF(g) =>
OF2(g) + H2O(l) = O2(g) + 2 HF(g)
Kl + Pb(C2H3O2)2 = Pb + Kl(C2H3O2) =>
2 Kl + Pb(C2H3O2)2 = Pb + 2 Kl(C2H3O2)
CaCl2(s) = Ca(s) + Cl2(g) =>
CaCl2(s) = Ca(s) + Cl2(g)
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
NaNO3(s) = NaNO2(s) + O2(g) =>
2 NaNO3(s) = 2 NaNO2(s) + O2(g)
LiOH + Na2S = LiS + Na2OH =>
LiOH + Na2S = LiS + Na2OH
FeBr3 + Sr(OH)2 = SrBr2 + Fe(OH)3 =>
2 FeBr3 + 3 Sr(OH)2 = 3 SrBr2 + 2 Fe(OH)3
CH4(g) + O2(g) = H2O(g) + CO3(g) =>
2 CH4(g) + 5 O2(g) = 4 H2O(g) + 2 CO3(g)
Cu(SO)4 + HCl = CuCl2 + H2(SO)4 =>
Cu(SO)4 + 2 HCl = CuCl2 + H2(SO)4
NH3 + CH3COOCH2CH3 = CH2O + CH3NH2 =>
2 NH3 + CH3COOCH2CH3 = 2 CH2O + 2 CH3NH2
As + H2O + ClO3{-} + H{+} = H3AsO3 + HClO =>
4 As + 6 H2O + 3 ClO3{-} + 3 H{+} = 4 H3AsO3 + 3 HClO
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
Ca{+} + HCl{-} = CaCl + H2 =>
2 Ca{+} + 2 HCl{-} = 2 CaCl + H2
CH2Br = CH2 + Br =>
CH2Br = CH2 + Br
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba(N3)2 = Ba + N2 =>
Ba(N3)2 = Ba + 3 N2
NaI + PbCl2 = NaCl + PbI2 =>
2 NaI + PbCl2 = 2 NaCl + PbI2
CaCl2 + NaBr = CaBr + NaCl2 =>
CaCl2 + NaBr = CaBr + NaCl2
KI + H2O + Cl2 = KIO3 + HCl =>
KI + 3 H2O + 3 Cl2 = KIO3 + 6 HCl
CH2Br = CH2 + Br =>
CH2Br = CH2 + Br
ZnCO3(s) + HCl(aq) = ZnCl2(aq) + H2O + CO2 =>
ZnCO3(s) + 2 HCl(aq) = ZnCl2(aq) + H2O + CO2
MgBr2(s) + Cl2(g) = MgCl2(s) + Br2(g) =>
MgBr2(s) + Cl2(g) = MgCl2(s) + Br2(g)
N2H4 + KMnO4 + H2SO4 = N2 + MnSO4 + K2 + H2O =>
3 N2H4 + 2 KMnO4 + 2 H2SO4 = 3 N2 + 2 MnSO4 + K2 + 8 H2O
Cu(s) + H2SO4 = CuSO4 + CuS(s) + H2O =>
4 Cu(s) + 4 H2SO4 = 3 CuSO4 + CuS(s) + 4 H2O
CH3CH2CH2CHCHCH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CHCHCH2CH3 + 21 O2 = 14 CO2 + 14 H2O
AgNH3Cl + KI = AgI + KNH3Cl =>
AgNH3Cl + KI = AgI + KNH3Cl
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
HCO3 + Mg(OH)2 = Mg(CO3)2 + H2O =>
2 HCO3 + Mg(OH)2 = Mg(CO3)2 + 2 H2O
NaNH4HPO4 = NH3 + NaH2PO4 =>
NaNH4HPO4 = NH3 + NaH2PO4
SO3{-2} + Cl2 + H2O = Cl{-} + SO4{2-} + H{+} =>
SO3{-2} + Cl2 + H2O = 2 Cl{-} + SO4{2-} + 2 H{+}
Pb(CH3COO) + NaSO4 = PbSO4 + Na(CH3COO) =>
Pb(CH3COO) + NaSO4 = PbSO4 + Na(CH3COO)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
I3{-} + S2O3{2-} = I{-} + S4O6{-2} =>
I3{-} + 2 S2O3{2-} = 3 I{-} + S4O6{-2}
Cu + AgSO4 = CuSO4 + Ag2 =>
2 Cu + 2 AgSO4 = 2 CuSO4 + Ag2
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