| Équations équilibrées la veille |
KOH + Na2HPO4 = KPO4 + 2 Na + H2O
Al2O3 + Cr = Al + Cr2O3 =>
Al2O3 + 2 Cr = 2 Al + Cr2O3
NO2 + H2O = H2O3N =>
NO2 + H2O = H2O3N
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
Ca(C3H5O3) + AgC2H3O2 = Ca(C2H3O2) + Ag(C3H5O3) =>
Ca(C3H5O3) + AgC2H3O2 = Ca(C2H3O2) + Ag(C3H5O3)
H2SO4 + NaCH3COO = NaSO4 + H2CH3COO =>
H2SO4 + NaCH3COO = NaSO4 + H2CH3COO
AgNO3 + NaBH4 = Ag + H2 + NaNO3 + BH =>
2 AgNO3 + 2 NaBH4 = 2 Ag + 3 H2 + 2 NaNO3 + 2 BH
FeI2 + H2SO4 = Fe2(SO4)3 + SO2 + I2 + H2O =>
2 FeI2 + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 2 I2 + 6 H2O
CHOCH2CH2CH3 + CH3CH2MgBr + H2O = CH3CH2CHOHCH2CH3 + MgBrOH =>
5 CHOCH2CH2CH3 + 5 CH3CH2MgBr + 6 H2O = 6 CH3CH2CHOHCH2CH3 + 5 MgBrOH
Cd3(BO3)2 = Cd3 + B3 + O2 =>
3 Cd3(BO3)2 = 3 Cd3 + 2 B3 + 9 O2
Cr(OH)3 + H3O{+} = Cr{+3} + H2O =>
Cr(OH)3 + 3 H3O{+} = Cr{+3} + 6 H2O
Cl4N2 + CH4 = Cl4C + N2 + H =>
Cl4N2 + CH4 = Cl4C + N2 + 4 H
TiCl3 + NaOH + Cl2 = Na2TiO3 + NaCl + H2O =>
2 TiCl3 + 12 NaOH + Cl2 = 2 Na2TiO3 + 8 NaCl + 6 H2O
C6H5Cl + O2 = CO2 + H2O + Cl2 =>
4 C6H5Cl + 29 O2 = 24 CO2 + 10 H2O + 2 Cl2
CaO + Br2 = CaBr2 + Ca(BrO)2 =>
2 CaO + 2 Br2 = CaBr2 + Ca(BrO)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2O3 + H2O + Sr(SO4) = Fe2(SO4)3 + Sr(OH)2 =>
Fe2O3 + 3 H2O + 3 Sr(SO4) = Fe2(SO4)3 + 3 Sr(OH)2
CH3CO2H + Na4(CO3)2 = NaCH3COO + H2O + CO2 =>
4 CH3CO2H + Na4(CO3)2 = 4 NaCH3COO + 2 H2O + 2 CO2
H2ZnO2 = ZnO + H2O =>
H2ZnO2 = ZnO + H2O
Na2Cr2O7 + H2SO4 + KNO2 = Cr2(SO4)3 + KNO3 + Na2SO4 + H2O =>
Na2Cr2O7 + 4 H2SO4 + 3 KNO2 = Cr2(SO4)3 + 3 KNO3 + Na2SO4 + 4 H2O
HgNO3 + NaCl = NaNO3 + HgCl =>
HgNO3 + NaCl = NaNO3 + HgCl
ammonia + hydrochloricacid = ammoniumchloride =>
NH3 + HCl = NH4Cl
Pb(NO3)2(aq) + K2SO4(aq) = K2(NO3)2(aq) + PbSO4(s) =>
Pb(NO3)2(aq) + K2SO4(aq) = K2(NO3)2(aq) + PbSO4(s)
Ni(NO3)2*6H2O + Na2CO3 = NiCO3 + Na(NO3) + H2O =>
Ni(NO3)2*6H2O + Na2CO3 = NiCO3 + 2 Na(NO3) + 6 H2O
Fe + Pb(NO3)2 = FeNO3 + Pb2 =>
4 Fe + 2 Pb(NO3)2 = 4 FeNO3 + Pb2
K(OH) + HBr = H2O + KBr =>
K(OH) + HBr = H2O + KBr
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCl + H2O = H3O + Cl2 =>
2 HCl + 2 H2O = 2 H3O + Cl2
(NH4)2Cr2O7 = Cr2O3(g) + H2O(s) + N2(g) =>
(NH4)2Cr2O7 = Cr2O3(g) + 4 H2O(s) + N2(g)
NaHCO3 + FeCl2 = H2O + NaCl + CO2 + FeCO3 =>
2 NaHCO3 + FeCl2 = H2O + 2 NaCl + CO2 + FeCO3
Sn + Cl2 + NaOH = Sn(OH)2 + NaCl =>
Sn + Cl2 + 2 NaOH = Sn(OH)2 + 2 NaCl
Sn3N4 = Sn4 + N3 =>
12 Sn3N4 = 9 Sn4 + 16 N3
Al2CO3 + C + Cl2 = CO + AlCl3 =>
Al2CO3 + 2 C + 3 Cl2 = 3 CO + 2 AlCl3
sodiumoxide + H2O = sodiumhydroxide =>
Na2O + H2O = 2 NaOH
Hg2SO4 + BaCl2 = HgCl + BaSO4 =>
Hg2SO4 + BaCl2 = 2 HgCl + BaSO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ca(C2H8O2)2 + K2SO4 = CaSO4 + K(C2H8O2) =>
Ca(C2H8O2)2 + K2SO4 = CaSO4 + 2 K(C2H8O2)
AgClO3 + Pb = Pb(ClO3)2 + Ag =>
2 AgClO3 + Pb = Pb(ClO3)2 + 2 Ag
C12H22N4O9 + Fe = FeC12H22O5 + NO =>
C12H22N4O9 + Fe = FeC12H22O5 + 4 NO
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
C2H6O + (NH4)2Ce(NO3)6 = (NH4)2Ce(C2H5O)(NO3)5 + H + NO3 =>
C2H6O + (NH4)2Ce(NO3)6 = (NH4)2Ce(C2H5O)(NO3)5 + H + NO3
AgI + HNO3 + AgIO3 = AgNO3 + I + H2O =>
5 AgI + 6 HNO3 + AgIO3 = 6 AgNO3 + 6 I + 3 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
calcium + hydrobromicacid = CaBr2 + H2 =>
Ca + 2 HBr = CaBr2 + H2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Cr2AlC + O2 = Al2O3 + CO2 + Cr =>
4 Cr2AlC + 7 O2 = 2 Al2O3 + 4 CO2 + 8 Cr
Li2S(aq) + Fe(NO3)2(aq) = Li(NO3)(aq) + FeS(s) =>
Li2S(aq) + Fe(NO3)2(aq) = 2 Li(NO3)(aq) + FeS(s)
Cs2O + Al(OH)3 = CsAl(OH)3 + O =>
Cs2O + 2 Al(OH)3 = 2 CsAl(OH)3 + O
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