| Équations équilibrées la veille |
2 SO3 = 2 SO2 + O2
RbOH + HCOOH = H2O + RbOOCH =>
RbOH + HCOOH = H2O + RbOOCH
PbO2 + CO = CO2 + Pb =>
PbO2 + 2 CO = 2 CO2 + Pb
NH2 + CuO = Cu + N2 + H2O =>
2 NH2 + 2 CuO = 2 Cu + N2 + 2 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
HNO3 + NaHCO3 = NaNO3 + H2CO3 =>
HNO3 + NaHCO3 = NaNO3 + H2CO3
CdCl2 + KI = CdI2 + KCl =>
CdCl2 + 2 KI = CdI2 + 2 KCl
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
HClO + Na2S2O3 = Na2S2O4 + HCl =>
HClO + Na2S2O3 = Na2S2O4 + HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
WO3 + P2O5 + P = WPO5 =>
5 WO3 + 2 P2O5 + P = 5 WPO5
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CuCl2 + (NH4)2CO3 = CuCO3 + ClNH4 =>
CuCl2 + (NH4)2CO3 = CuCO3 + 2 ClNH4
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
Mg(OH)2 + NaOH = Na2[Mg(OH)4] =>
Mg(OH)2 + 2 NaOH = Na2[Mg(OH)4]
NH3 + CUO = N3 + CU + H2O =>
6 NH3 + 9 CUO = 2 N3 + 9 CU + 9 H2O
AgNO3 + HNO3 = Ag(NO3)3 + H2 =>
AgNO3 + 2 HNO3 = Ag(NO3)3 + H2
Al + NO3{-} + OH{-} + H2O = Al(OH)4{-} + NH3 =>
8 Al + 3 NO3{-} + 5 OH{-} + 18 H2O = 8 Al(OH)4{-} + 3 NH3
C2H4O + Ag(NH3)2OH = CH3COONH4 + NH3 + Ag + H2O =>
C2H4O + 2 Ag(NH3)2OH = CH3COONH4 + 3 NH3 + 2 Ag + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
HgS + CaO = Hg + CaS + CaSO4 =>
4 HgS + 4 CaO = 4 Hg + 3 CaS + CaSO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
InCl3 + O2 = In2O3 + Cl2 =>
4 InCl3 + 3 O2 = 2 In2O3 + 6 Cl2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
CO2 + H2O = C6H5CO2 + O2 =>
28 CO2 + 10 H2O = 4 C6H5CO2 + 29 O2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Ironoxide + hydrogen = water + iron =>
Fe2O3 + 3 H2 = 3 H2O + 2 Fe
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PtBr3 + Na2S = Pt2S3 + NaBr =>
2 PtBr3 + 3 Na2S = Pt2S3 + 6 NaBr
FeCl3 + Ba(OH)2 = BaCl2 + Fe(OH)3 =>
2 FeCl3 + 3 Ba(OH)2 = 3 BaCl2 + 2 Fe(OH)3
B + F2 = BF2 =>
B + F2 = BF2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2CO3 + Sn3(PO4)4 = Sn(CO3)2 + K3PO4 =>
6 K2CO3 + Sn3(PO4)4 = 3 Sn(CO3)2 + 4 K3PO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
SeCl + O2 = SeO2 + Cl2 =>
2 SeCl + 2 O2 = 2 SeO2 + Cl2
ZnO + Ba = BaO + Zn =>
ZnO + Ba = BaO + Zn
CaCO3 + CH3COOH(aq) = Ca + CO2 + H2O =>
4 CaCO3 + CH3COOH(aq) = 4 Ca + 6 CO2 + 2 H2O
CO + SO2 = CS + O2 =>
2 CO + 2 SO2 = 2 CS + 3 O2
KI + CoSO4 + KIO3 + H2O = Co(OH)2 + K2SO4 + I2 =>
5 KI + 3 CoSO4 + KIO3 + 3 H2O = 3 Co(OH)2 + 3 K2SO4 + 3 I2
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Équations équilibrées sur10/22/24
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