| Équations équilibrées la veille |
Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2SO3
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
CH2O + NaOH = CHOOH + Na + H2O =>
CH2O + 2 NaOH = CHOOH + 2 Na + H2O
Fe + Cu(C2H3O2)2 = Fe(C2H3O2)2 + Cu =>
Fe + Cu(C2H3O2)2 = Fe(C2H3O2)2 + Cu
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
FNaCl = NaF + Cl =>
FNaCl = NaF + Cl
K3[Fe(CN)6] + FeSO4 = Fe3(Fe(CN)6)2 + K2SO4 =>
2 K3[Fe(CN)6] + 3 FeSO4 = Fe3(Fe(CN)6)2 + 3 K2SO4
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Ca(ClO)2 + K2SO4 = CaSO4 + KClO =>
Ca(ClO)2 + K2SO4 = CaSO4 + 2 KClO
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Cu(SO4) + Mg(NO3)2 = Cu(NO3)2 + Mg(SO4) =>
Cu(SO4) + Mg(NO3)2 = Cu(NO3)2 + Mg(SO4)
(FeOH)2SO4 + NaOH = Fe(OH)2 + Na2SO4 =>
(FeOH)2SO4 + 2 NaOH = 2 Fe(OH)2 + Na2SO4
Cu{2+} + MnO2 + OH{-} = Cu{+} + MnO4 + H2O =>
4 Cu{2+} + MnO2 + 4 OH{-} = 4 Cu{+} + MnO4 + 2 H2O
Li2C2 + H2O = LiOH + C2H2 =>
Li2C2 + 2 H2O = 2 LiOH + C2H2
ZnO + KOH + H2O = K2[Zn(OH)4] =>
ZnO + 2 KOH + H2O = K2[Zn(OH)4]
NO3 + KBr = KNO3 + Br =>
NO3 + KBr = KNO3 + Br
Al3 + CuBr2 = Cu + AlBr3 =>
2 Al3 + 9 CuBr2 = 9 Cu + 6 AlBr3
Ca + Cr(C2H3O2)3 = Cr + Ca3(C2H3O2)2 =>
9 Ca + 2 Cr(C2H3O2)3 = 2 Cr + 3 Ca3(C2H3O2)2
CuCl2 + Na2CO3 = CuCO3 + NaCl =>
CuCl2 + Na2CO3 = CuCO3 + 2 NaCl
Bi2O3 + H2O = Bi(OH)3 =>
Bi2O3 + 3 H2O = 2 Bi(OH)3
K + Mn7 + O2 = KMn2O7 =>
14 K + 4 Mn7 + 49 O2 = 14 KMn2O7
CH3COOH + CH3(NH2) = CH3COO + CH3(NH3) =>
CH3COOH + CH3(NH2) = CH3COO + CH3(NH3)
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
NaCl + I2 = NaI + Cl2 =>
2 NaCl + I2 = 2 NaI + Cl2
C2H4O2H2 + O2 = C + H2O =>
2 C2H4O2H2 + O2 = 4 C + 6 H2O
NO + CH4 = HCN + H2O + H2 =>
2 NO + 2 CH4 = 2 HCN + 2 H2O + H2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
AlCl3 + NH3 + H2O = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4Cl
Mn(NO3)2 + C2H5NO2 = Mn3O4 + CO2 + N2 + H2O =>
27 Mn(NO3)2 + 28 C2H5NO2 = 9 Mn3O4 + 56 CO2 + 41 N2 + 70 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ta2C + Pb = Ta2PbC =>
Ta2C + Pb = Ta2PbC
FeNO3 + NaOH = FeOH + NaNO3 =>
FeNO3 + NaOH = FeOH + NaNO3
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
Pb(NO3)2 + K2S = PbS + KNO3 =>
Pb(NO3)2 + K2S = PbS + 2 KNO3
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
aceticacid + Ba(OH)2 = C4H6O4Ba + H2O =>
2 C2H4O2 + Ba(OH)2 = C4H6O4Ba + 2 H2O
Ca(ClO)2 + H2O = HClO + Ca + OH =>
Ca(ClO)2 + 2 H2O = 2 HClO + Ca + 2 OH
Fe(NO3)2 + NaPO4 = Fe(PO4)2 + NaNO3 =>
Fe(NO3)2 + 2 NaPO4 = Fe(PO4)2 + 2 NaNO3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H2S + PbS = H2S2Pb =>
H2S + PbS = H2S2Pb
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C6H5NH3Cl + NaNO2 = C6H5N2Cl + NaOH + H2O =>
C6H5NH3Cl + NaNO2 = C6H5N2Cl + NaOH + H2O
NaCl + NaOH2 = Na + HCl + O =>
2 NaCl + NaOH2 = 3 Na + 2 HCl + O
(H2)2 = H2 =>
(H2)2 = 2 H2
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
AgNO3 + Na + Cl = AgCl + NaNO3 =>
AgNO3 + Na + Cl = AgCl + NaNO3
C2H5COOH + Na2SO3 = C2H5COONa + SO2 + H2O =>
2 C2H5COOH + Na2SO3 = 2 C2H5COONa + SO2 + H2O
FeS + H2SO4 + H2O = FeHSO4 + H2S =>
8 FeS + 7 H2SO4 + 4 H2O = 8 FeHSO4 + 7 H2S
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