| Équations équilibrées la veille |
2 H2 + Se2 = 2 H2Se
BaK2(CO3) = K2Ba(CO3) =>
BaK2(CO3) = K2Ba(CO3)
Zn(NO3)2*6H2O + Al(NO3)3*9H2O + NH2CONH2 = ZnAl2O4 + H2O + CO2 + N2 =>
3 Zn(NO3)2*6H2O + 6 Al(NO3)3*9H2O + 20 NH2CONH2 = 3 ZnAl2O4 + 112 H2O + 20 CO2 + 32 N2
Fe + MnO4{-} + H2O = Fe{2+} + MnO2 + OH{-} =>
3 Fe + 2 MnO4{-} + 4 H2O = 3 Fe{2+} + 2 MnO2 + 8 OH{-}
MgNO3NO3 = Mg(NO3)2 =>
MgNO3NO3 = Mg(NO3)2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaCl2 + Ag2SO4 = Ag2Ca + SO4Cl2 =>
CaCl2 + Ag2SO4 = Ag2Ca + SO4Cl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HC2H3O2(aq) + NH4OH(aq) = H2O(l) + NH4C2H3O2(aq) =>
HC2H3O2(aq) + NH4OH(aq) = H2O(l) + NH4C2H3O2(aq)
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Cu(OH)2Ca(SO3) = Ca(OH)2Cu(SO3) =>
Cu(OH)2Ca(SO3) = Ca(OH)2Cu(SO3)
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
C10H8O + C4H9Br + NaOH = C14H16O + NaBr + H2O =>
C10H8O + C4H9Br + NaOH = C14H16O + NaBr + H2O
Fe2S3 + H2O + O2 = Fe(OH)3 + S =>
2 Fe2S3 + 6 H2O + 3 O2 = 4 Fe(OH)3 + 6 S
KHC4H4O6 + HNO3 = H2C4H4O6 + KNO3 =>
KHC4H4O6 + HNO3 = H2C4H4O6 + KNO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
Ca2(s)O2(g) = Ca2O2(s) =>
Ca2(s)O2(g) = Ca2O2(s)
CH3CHCl + CH3ONa = CH3CHOCH3 + NaCl =>
CH3CHCl + CH3ONa = CH3CHOCH3 + NaCl
K2Cr2O7 + H2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 H2 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O
NaFO3 + NaF + H2SO4 = F2 + Na2SO4 + H2O =>
NaFO3 + 5 NaF + 3 H2SO4 = 3 F2 + 3 Na2SO4 + 3 H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Al + HI = AlI3 + H2 =>
2 Al + 6 HI = 2 AlI3 + 3 H2
Al(Cl)3 + AgNO3 = Al(NO3)3 + AgCl =>
Al(Cl)3 + 3 AgNO3 = Al(NO3)3 + 3 AgCl
H2O + MnO4{-} + Fe = Fe{3+} + Mn + OH{-} =>
12 H2O + 3 MnO4{-} + 7 Fe = 7 Fe{3+} + 3 Mn + 24 OH{-}
K2S + NaSO3 + HCl = NaCl + S + KCl + H2O =>
5 K2S + 2 NaSO3 + 12 HCl = 2 NaCl + 7 S + 10 KCl + 6 H2O
CH3(CH2)10COOH + NaOH = CH3(CH2)10COONa + H2O =>
CH3(CH2)10COOH + NaOH = CH3(CH2)10COONa + H2O
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
NaC2H3O2 + H2CO3 = Na2CO3 + HC2H3O2 =>
2 NaC2H3O2 + H2CO3 = Na2CO3 + 2 HC2H3O2
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
H3Po4 + NaOH = Na3Po4 + HOH =>
H3Po4 + 3 NaOH = Na3Po4 + 3 HOH
KCI + NaOH = NaCI + KOH =>
KCI + NaOH = NaCI + KOH
Fe + MnO4{-} + H2O = Fe{3+} + Mn{2+} + OH{-} =>
5 Fe + 3 MnO4{-} + 12 H2O = 5 Fe{3+} + 3 Mn{2+} + 24 OH{-}
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
B + FeO = B2O3 + Fe =>
2 B + 3 FeO = B2O3 + 3 Fe
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2S + NaSO3 + HCl = NaCl + S + KCl + H2O =>
5 K2S + 2 NaSO3 + 12 HCl = 2 NaCl + 7 S + 10 KCl + 6 H2O
Cl2(g) + OH{-}(aq) = Cl{-}(aq) + ClO{-}(aq) + H2O(l) =>
Cl2(g) + 2 OH{-}(aq) = Cl{-}(aq) + ClO{-}(aq) + H2O(l)
Fe + O + H2O = Fe(OH)3 =>
2 Fe + 3 O + 3 H2O = 2 Fe(OH)3
Fe + MnO4{-} + H2O = Fe{2+} + MnO2 + OH{-} =>
3 Fe + 2 MnO4{-} + 4 H2O = 3 Fe{2+} + 2 MnO2 + 8 OH{-}
Al2O3 + Na3PO4 = Na2O + AlPO4 =>
Al2O3 + 2 Na3PO4 = 3 Na2O + 2 AlPO4
LiCl(s) + H2SO4(aq) = HCl(g) + Li2SO4(aq) =>
2 LiCl(s) + H2SO4(aq) = 2 HCl(g) + Li2SO4(aq)
Al + Hg(CH3COO)2 = Al(CH3COO)3 + Hg =>
2 Al + 3 Hg(CH3COO)2 = 2 Al(CH3COO)3 + 3 Hg
FeCr3O4 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr3O4 + 12 Na2CO3 + 13 O2 = 12 Na2CrO4 + 2 Fe2O3 + 12 CO2
H3Po4 + NaOH = Na3Po4 + HOH =>
H3Po4 + 3 NaOH = Na3Po4 + 3 HOH
HNO2 + Au(OH)3 = Au(NO2)3 + H2O =>
3 HNO2 + Au(OH)3 = Au(NO2)3 + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca(CH3COO)2 + Na2CO3 = CaCO3 + CH3COONa =>
Ca(CH3COO)2 + Na2CO3 = CaCO3 + 2 CH3COONa
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