| Équations équilibrées la veille |
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO4 + 3 H2O
AgO + MnSO4 + H2SO4 = HMnO4 + Ag2SO4 + H2O =>
10 AgO + 2 MnSO4 + 3 H2SO4 = 2 HMnO4 + 5 Ag2SO4 + 2 H2O
CH3NO2 + H2 = CH3NOH + H2O =>
2 CH3NO2 + 3 H2 = 2 CH3NOH + 2 H2O
Fe2O3 + C(s) = Fe(l) + CO2(g) =>
2 Fe2O3 + 3 C(s) = 4 Fe(l) + 3 CO2(g)
BaCl2 + H2SO4 = H2Cl2 + BaSO4 =>
BaCl2 + H2SO4 = H2Cl2 + BaSO4
Cr + F = CrF2 =>
Cr + 2 F = CrF2
C(s) + Fe2O3 = Fe(s) + CO =>
3 C(s) + Fe2O3 = 2 Fe(s) + 3 CO
NiSO4 + NaH2PO2 + HOH = Ni + NaH2PO3 + H2SO4 =>
NiSO4 + NaH2PO2 + HOH = Ni + NaH2PO3 + H2SO4
Pb2S4 + O2 = Pb2O4 + S2O2 =>
Pb2S4 + 4 O2 = Pb2O4 + 2 S2O2
H2SO4 + NaCl + MnO2 = Na2SO4 + MnSO4 + H2O + Cl2 =>
2 H2SO4 + 2 NaCl + MnO2 = Na2SO4 + MnSO4 + 2 H2O + Cl2
Na + S + O2 = NaSO =>
2 Na + 2 S + O2 = 2 NaSO
Ca(OH)2 + K2SO4 = K(OH) + CaSO4 =>
Ca(OH)2 + K2SO4 = 2 K(OH) + CaSO4
CuCl2 = CuCl + Cl2 =>
2 CuCl2 = 2 CuCl + Cl2
H3Po4 + NH4OH = (NH4)3Po4 + H2O =>
H3Po4 + 3 NH4OH = (NH4)3Po4 + 3 H2O
Fe2O3 + P4 = O2 + FeP =>
2 Fe2O3 + P4 = 3 O2 + 4 FeP
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
CH3CH(OH)CH2CH3 + KMnO4 + H2SO4 = Mn2(SO4)3 + K2SO4 + CH3CH3CO + H2O =>
3 CH3CH(OH)CH2CH3 + 2 KMnO4 + 4 H2SO4 = Mn2(SO4)3 + K2SO4 + 4 CH3CH3CO + 7 H2O
CH3COOH + CH3CH(OH)CH3 = CH3COOCH3CH2CH3 + H2O =>
9 CH3COOH + 14 CH3CH(OH)CH3 = 12 CH3COOCH3CH2CH3 + 8 H2O
Al + NaOH + H2O = Na(Al(OH)4) + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 Na(Al(OH)4) + 3 H2
Na + S + O2 = Na2SO3 =>
4 Na + 2 S + 3 O2 = 2 Na2SO3
Na + S + O2 = Na2SO4 =>
2 Na + S + 2 O2 = Na2SO4
N2O5 + HI = NO + I2 + H2O =>
N2O5 + 6 HI = 2 NO + 3 I2 + 3 H2O
(NH4)Cl + Ba(OH)2 = (NH4)(OH) + BaCl2 =>
2(NH4)Cl + Ba(OH)2 = 2(NH4)(OH) + BaCl2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
HY = H2Y2 =>
2 HY = H2Y2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C2H2O4 + KMnO4 = CO2 + MnO + K2O + H2O =>
5 C2H2O4 + 2 KMnO4 = 10 CO2 + 2 MnO + K2O + 5 H2O
Na2S2O3 + AgNO3 = Ag2SO3 + NaNO3 + S =>
Na2S2O3 + 2 AgNO3 = Ag2SO3 + 2 NaNO3 + S
C(s) + Fe2O3 = Fe(s) + CO =>
3 C(s) + Fe2O3 = 2 Fe(s) + 3 CO
Fe2O3 + C(s) = Fe + CO2 =>
2 Fe2O3 + 3 C(s) = 4 Fe + 3 CO2
C12H25HSO4 + Na2CO3 = NaC12H25SO4 + H2O + CO2 =>
2 C12H25HSO4 + Na2CO3 = 2 NaC12H25SO4 + H2O + CO2
C3H6 + Br2 = C3Br6 + H2 =>
C3H6 + 3 Br2 = C3Br6 + 3 H2
KHC4H4O6(s) + NaHCO3 = KNaC4H4O6(s) + H2O(l) + CO2(g) =>
KHC4H4O6(s) + NaHCO3 = KNaC4H4O6(s) + H2O(l) + CO2(g)
Fe2(SO3)3 + HCl = FeCl3 + H2SO3 =>
Fe2(SO3)3 + 6 HCl = 2 FeCl3 + 3 H2SO3
Na + S + O2 = Na2SO4 =>
2 Na + S + 2 O2 = Na2SO4
C6H5Cl + NH3 = C6H5NH2 + HCl =>
C6H5Cl + NH3 = C6H5NH2 + HCl
NaNO3 + Na2SO4 = Na + NO3SO4 =>
NaNO3 + Na2SO4 = 3 Na + NO3SO4
CH3CH(OH)CH2CH3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CH3CH3CO + H2O =>
15 CH3CH(OH)CH2CH3 + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 4 K2SO4 + 20 CH3CH3CO + 27 H2O
Na + S + O2 = NaSO =>
2 Na + 2 S + O2 = 2 NaSO
H2S + MnO4 = S + MnO2 + H2O =>
2 H2S + MnO4 = 2 S + MnO2 + 2 H2O
FeS2 + KOH + Cl2 = K2FeO4 + K2SO4 + KCl + H2O =>
FeS2 + 24 KOH + 9 Cl2 = K2FeO4 + 2 K2SO4 + 18 KCl + 12 H2O
(NH4)Cl + Ba(OH)2 = NH4(OH) + BaCl2 =>
2(NH4)Cl + Ba(OH)2 = 2 NH4(OH) + BaCl2
C4H10O + Cr2O7{-} + H{+} = C4H8O + Cr{3+} + H2O =>
7 C4H10O + 2 Cr2O7{-} + 14 H{+} = 7 C4H8O + 4 Cr{3+} + 14 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
FePO4 = Fe{3+} + PO4{3-} =>
FePO4 = Fe{3+} + PO4{3-}
KMnO4 + C2H2O4 = K2CO3 + MnO2 + H2O + CO2 =>
2 KMnO4 + 3 C2H2O4 = K2CO3 + 2 MnO2 + 3 H2O + 5 CO2
Fe2(SO3)3 + HCl = FeCl3 + H2(SO3) =>
Fe2(SO3)3 + 6 HCl = 2 FeCl3 + 3 H2(SO3)
Na + S + O2 = Na2SO3 =>
4 Na + 2 S + 3 O2 = 2 Na2SO3
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq)
Pb + Br2 = PbBr4 =>
Pb + 2 Br2 = PbBr4
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