| Équations équilibrées la veille |
H2Cl2 + 2 NH4 = 2 NH4Cl + H2
K2SiO3 + Mg(NO3)2 = MgSiO3 + KNO3 =>
K2SiO3 + Mg(NO3)2 = MgSiO3 + 2 KNO3
Fe + Br2 = Fe{3+} + Br{-} =>
2 Fe + 3 Br2 = 2 Fe{3+} + 6 Br{-}
K2CrO4 + NaHCO3 = KHCO3 + Na2CrO4 =>
K2CrO4 + 2 NaHCO3 = 2 KHCO3 + Na2CrO4
Cu + NH4OH = Cu2(NH3) + H2O =>
2 Cu + NH4OH = Cu2(NH3) + H2O
(CH2)2OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + H2O + K2SO4 =>
10(CH2)2OH + 6 KMnO4 + 9 H2SO4 = 10 CH3COOH + 6 MnSO4 + 14 H2O + 3 K2SO4
Fe2O3 + Sr(OH)2 + H2O = Sr3[Fe(OH)6]2 =>
Fe2O3 + 3 Sr(OH)2 + 3 H2O = Sr3[Fe(OH)6]2
CO3 + Ba(OH)2 = BaCO3 + OH =>
CO3 + Ba(OH)2 = BaCO3 + 2 OH
K2O4 + CuSO4 = CuK2 + O4SO4 =>
K2O4 + CuSO4 = CuK2 + O4SO4
K2SO3 = K2S + O2 =>
2 K2SO3 = 2 K2S + 3 O2
FeCl3 + CaCl2 + NH4OH = CaFe14O22 + NH4Cl + H2O =>
14 FeCl3 + CaCl2 + 44 NH4OH = CaFe14O22 + 44 NH4Cl + 22 H2O
Na2Zn(OH)4 + OH = NaOH + Zn(OH)4 =>
Na2Zn(OH)4 + 2 OH = 2 NaOH + Zn(OH)4
NaSO4(s) + HCl(g) = NaCl(s) + SO2(g) + H2O(l) + O2(g) =>
4 NaSO4(s) + 4 HCl(g) = 4 NaCl(s) + 4 SO2(g) + 2 H2O(l) + 3 O2(g)
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
[NH4]2Fe[SO4]2 + Na2CO3 = [NH4]2Fe(CO3)2 + Na2SO4 =>
[NH4]2Fe[SO4]2 + 2 Na2CO3 = [NH4]2Fe(CO3)2 + 2 Na2SO4
Z + Pb(NO3)2 = Z(NO3)3 + Pb =>
2 Z + 3 Pb(NO3)2 = 2 Z(NO3)3 + 3 Pb
Ba + P = BaP4 =>
Ba + 4 P = BaP4
Ca3(PO4)2 + (NH4)2MoO4 + HNO3 = (NH4)3[P(Mo3O10)4] + Ca(NO3)2 + NH4NO3 + H2O =>
Ca3(PO4)2 + 24(NH4)2MoO4 + 48 HNO3 = 2(NH4)3[P(Mo3O10)4] + 3 Ca(NO3)2 + 42 NH4NO3 + 24 H2O
CH4O(l) + O2 = CO2 + H2O =>
2 CH4O(l) + 3 O2 = 2 CO2 + 4 H2O
ZnO + H3SO4 = Zn3(SO4)2 + H2O =>
3 ZnO + 2 H3SO4 = Zn3(SO4)2 + 3 H2O
H2I2 + O2 = H2O + I2 =>
2 H2I2 + O2 = 2 H2O + 2 I2
Mg(HCO3)(aq) + HCOOH(aq) = H2O(l) + CO2(g) + Mg(CHOO)2(aq) =>
2 Mg(HCO3)(aq) + 3 HCOOH(aq) = 2 H2O(l) + CO2(g) + 2 Mg(CHOO)2(aq)
CaCO3 + NaOH = NaCO3 + CaHO =>
CaCO3 + NaOH = NaCO3 + CaHO
NH4Br + Na2SO4 = (NH4)2SO4 + NaBr =>
2 NH4Br + Na2SO4 = (NH4)2SO4 + 2 NaBr
H3PO4 + Ba(OH)3 = Ba3(PO4)3 + H2O =>
3 H3PO4 + 3 Ba(OH)3 = Ba3(PO4)3 + 9 H2O
FeS2 + HOCl + H2O = Fe + H2SO4 + HCl =>
FeS2 + 6 HOCl + 2 H2O = Fe + 2 H2SO4 + 6 HCl
TcCl4 + PbF2 = TcF2 + PbCl4 =>
TcCl4 + PbF2 = TcF2 + PbCl4
CH3OH + HCO3 = CH3O + H2CO3 =>
CH3OH + HCO3 = CH3O + H2CO3
As2O3 + Zn + HNO3 = AsH3 + ZnNO3 + H2O =>
As2O3 + 12 Zn + 12 HNO3 = 2 AsH3 + 12 ZnNO3 + 3 H2O
C19H28O2 + C2H3OCl = C21H30O3 + HCl =>
C19H28O2 + C2H3OCl = C21H30O3 + HCl
Na(OH) + H2SO4 = Na2[SO4] + H2O =>
2 Na(OH) + H2SO4 = Na2[SO4] + 2 H2O
P4 + HNO3 + H2O = H3PO4 + HNO =>
P4 + 5 HNO3 + 6 H2O = 4 H3PO4 + 5 HNO
NaCO3 + H2SO3 = Na2SO4 + CO2 + H2O =>
2 NaCO3 + H2SO3 = Na2SO4 + 2 CO2 + H2O
NH3 + HCl = NH4 + Cl =>
NH3 + HCl = NH4 + Cl
CH3Br + Na + C2H5Br = NaBr + C3H8 =>
CH3Br + 2 Na + C2H5Br = 2 NaBr + C3H8
MnO4{+} + Cl{-} + H{+} = Mn{+2} + Cl2 + H2O =>
2 MnO4{+} + 14 Cl{-} + 16 H{+} = 2 Mn{+2} + 7 Cl2 + 8 H2O
NaCl + Na2O2 + H2O = NaOH + NaClO3 =>
NaCl + 3 Na2O2 + 3 H2O = 6 NaOH + NaClO3
C4H10OH + H2O2 = C4H8O + H2O =>
2 C4H10OH + 3 H2O2 = 2 C4H8O + 6 H2O
Sr + K2CO3 = SrCO3 + K =>
Sr + K2CO3 = SrCO3 + 2 K
KBr + K2CrO4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Br2 + H2O =>
6 KBr + 2 K2CrO4 + 8 H2SO4 = 5 K2SO4 + Cr2(SO4)3 + 3 Br2 + 8 H2O
Al + HC1 = AlHC1 =>
Al + HC1 = AlHC1
KNO2 + HI = KI + I2 + NO + H2O =>
2 KNO2 + 4 HI = 2 KI + I2 + 2 NO + 2 H2O
C6H5CH2OH + H2SO4 + KMnO4 = C6H5CHO + K2SO4 + H2O + MnSO4 =>
5 C6H5CH2OH + 3 H2SO4 + 2 KMnO4 = 5 C6H5CHO + K2SO4 + 8 H2O + 2 MnSO4
MnO4{-} + HSO3{-} + OH{-} = MnO4{2-} + SO4{2-}{+} + H2O =>
2 MnO4{-} + HSO3{-} + 3 OH{-} = 2 MnO4{2-} + SO4{2-}{+} + 2 H2O
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Zn + CuCl2 = Cu + ZnCl2 =>
Zn + CuCl2 = Cu + ZnCl2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Al + SO2 = AlO2 + S =>
Al + SO2 = AlO2 + S
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