| Équations équilibrées la veille |
2 KMnO4 + 12 HCl = 2 KCl + 2 MnCl2O + 6 H2O + 3 Cl2
H2S + H2O2 = H2SO4 + (H2O)2 =>
H2S + 4 H2O2 = H2SO4 + 2(H2O)2
H2SO4 + Mo(OH)6 = H2O + Mo(SO4)3 =>
3 H2SO4 + Mo(OH)6 = 6 H2O + Mo(SO4)3
CaO + MnI4 = MnO2 + CaI2 =>
2 CaO + MnI4 = MnO2 + 2 CaI2
H2 + I2 = HI =>
H2 + I2 = 2 HI
C3H4O4 + CaCO3 = CaC3H2O + CO2 + H2O =>
7 C3H4O4 + 4 CaCO3 = 4 CaC3H2O + 13 CO2 + 10 H2O
NaNO3 + HNO3 + Pb(OH)2 = Na(NO3)2 + PbNa(NO3)2 + H2O =>
2 NaNO3 + 2 HNO3 + Pb(OH)2 = Na(NO3)2 + PbNa(NO3)2 + 2 H2O
H2Cr2O7 + Ni(OH)2 = H2O + Ni(Cr2O7) =>
H2Cr2O7 + Ni(OH)2 = 2 H2O + Ni(Cr2O7)
NH4O + NO2 = NH4NO2 + H2O =>
4 NH4O + 2 NO2 = 3 NH4NO2 + 2 H2O
CH3NHCH2COONa + CH3COOH = CH3NCOCH3CH2COONa + H2O =>
CH3NHCH2COONa + CH3COOH = CH3NCOCH3CH2COONa + H2O
NiSO4(ac) + C2H8N2(s) = Ni(C2H8N2)3SO4(ac) =>
NiSO4(ac) + 3 C2H8N2(s) = Ni(C2H8N2)3SO4(ac)
HSO3 + Cu2O = CuSO3 + H2O =>
2 HSO3 + Cu2O = 2 CuSO3 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
FeO + NO = Fe + NO2 =>
FeO + NO = Fe + NO2
Na2O2 + KHCO3 + MnCO3 = KMnO4 + K2CO3 + CO2 + NaOH =>
5 Na2O2 + 10 KHCO3 + 2 MnCO3 = 2 KMnO4 + 4 K2CO3 + 8 CO2 + 10 NaOH
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
ZnS + O2 = ZnO + S8 =>
8 ZnS + 4 O2 = 8 ZnO + S8
Hg2(NO3)2 + KOH = HgO + Hg + KNO3 + H2O =>
Hg2(NO3)2 + 2 KOH = HgO + Hg + 2 KNO3 + H2O
Ni + O2 = NiO =>
2 Ni + O2 = 2 NiO
Fe2(SO4)3 + K3[Fe(CN)6] = K3(SO4)3 + Fe2[Fe(CN)6] =>
Fe2(SO4)3 + K3[Fe(CN)6] = K3(SO4)3 + Fe2[Fe(CN)6]
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
AgCl + Na2S2O3 = Ag2S2O3 + NaCl =>
2 AgCl + Na2S2O3 = Ag2S2O3 + 2 NaCl
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Rb + RbNO3 = RbO2 + N2 =>
Rb + 2 RbNO3 = 3 RbO2 + N2
KBr + S = K2S + Br2 =>
2 KBr + S = K2S + Br2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
H{+} + FeO4{2-} + H2O = Fe(OH)3 + O2 =>
8 H{+} + 4 FeO4{2-} + 2 H2O = 4 Fe(OH)3 + 3 O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnSO4 + PbO2 + HNO3 = HMnO4 + PbSO4 + Pb(NO3)2 + H2O =>
2 MnSO4 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 2 PbSO4 + 3 Pb(NO3)2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
MnO4{-} + H2C2O4 + H{+} = Mn{2+} + CO2{+} + H2O =>
4 MnO4{-} + 5 H2C2O4 + 22 H{+} = 4 Mn{2+} + 10 CO2{+} + 16 H2O
CaSO4 + Na = Ca + Na2SO4 =>
CaSO4 + 2 Na = Ca + Na2SO4
ClO3 + BaO = BaCl2 + O2 =>
4 ClO3 + 2 BaO = 2 BaCl2 + 7 O2
C3H6OCl2 + O2 = CO2 + H2O + Cl2 =>
C3H6OCl2 + 4 O2 = 3 CO2 + 3 H2O + Cl2
NaOH + Cl2 + CrCl3 = Na2CrO4 + NaCl + H2O =>
16 NaOH + 3 Cl2 + 2 CrCl3 = 2 Na2CrO4 + 12 NaCl + 8 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
P2O5 + CO = P + CO2 =>
P2O5 + 5 CO = 2 P + 5 CO2
C6H12 + I2 = C6HI + HI =>
C6H12 + 6 I2 = C6HI + 11 HI
Na2SiO3 + H3PO4 = Na2HPO4 + SiO2 + H + O =>
Na2SiO3 + H3PO4 = Na2HPO4 + SiO2 + 2 H + O
C2H5OH(s) + Ba(s) = C2H5OBa(s) + H2(g) =>
2 C2H5OH(s) + 2 Ba(s) = 2 C2H5OBa(s) + H2(g)
MgBr2(aq) + NaOH(aq) = Mg(OH)2(s) + NaBr(aq) =>
MgBr2(aq) + 2 NaOH(aq) = Mg(OH)2(s) + 2 NaBr(aq)
Cu{2+} + {-} + HO{-} = Cu2O + H2O =>
2 Cu{2+} + 2e + 2 HO{-} = Cu2O + H2O
C3(H)8O + O2 = C(O)2 + H2O =>
2 C3(H)8O + 9 O2 = 6 C(O)2 + 8 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Sr(OH)2 + (NH4)2S = Sr2S + NH4(OH)2 =>
2 Sr(OH)2 + (NH4)2S = Sr2S + 2 NH4(OH)2
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