Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NH4F + Ba(OH)2 = BaF2 + 2 NH3 + 2 H2O
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
CH3(CH2)7CH3 + O2 = CO2 + H2O =>
CH3(CH2)7CH3 + 14 O2 = 9 CO2 + 10 H2O
C7H10O8 + O2 = CO2 + H2O =>
2 C7H10O8 + 11 O2 = 14 CO2 + 10 H2O
KCl + AgNo3 = AgCl + KNo3 =>
KCl + AgNo3 = AgCl + KNo3
HCl + Na = NaCl + H =>
HCl + Na = NaCl + H
Zn + Cr2(SO4)3 = Cr + Zn(SO4) =>
3 Zn + Cr2(SO4)3 = 2 Cr + 3 Zn(SO4)
HI(aq) + K2S(aq) = H2S(aq) + IK(aq) =>
2 HI(aq) + K2S(aq) = H2S(aq) + 2 IK(aq)
HCl + FeAl = FeCl3 + Al + H2 =>
6 HCl + 2 FeAl = 2 FeCl3 + 2 Al + 3 H2
CH3OCH3 + O2 = CO2 + H2O =>
CH3OCH3 + 3 O2 = 2 CO2 + 3 H2O
Na + SnO2 = Na2O + Sn =>
4 Na + SnO2 = 2 Na2O + Sn
NaOH + Fe(NO3)3 = NaNO3 + Fe(OH)3 =>
3 NaOH + Fe(NO3)3 = 3 NaNO3 + Fe(OH)3
NaNO2 + NH4Cl = H2O + N2 + NaCl =>
NaNO2 + NH4Cl = 2 H2O + N2 + NaCl
FeSO4 + NaOH + O2 = Fe2O3 + H2O + Na2SO4 =>
4 FeSO4 + 8 NaOH + O2 = 2 Fe2O3 + 4 H2O + 4 Na2SO4
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
NaOH + Ca(NO3)2 = NaNO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)2 = 2 NaNO3 + Ca(OH)2
Pb(NO3)2 + Na2CO3 + H2O = Pb(OH)2*2PbCO3 + CO2 + NaNO3 =>
3 Pb(NO3)2 + 3 Na2CO3 + H2O = Pb(OH)2*2PbCO3 + CO2 + 6 NaNO3
Ni2MnTeO6 = Ni2MnO3 + TeO3 =>
Ni2MnTeO6 = Ni2MnO3 + TeO3
C9H8O4 + COH4 = C8H8O3 + H2O =>
7 C9H8O4 + 9 COH4 = 9 C8H8O3 + 10 H2O
CH3COOH + C4H7(OH)3 = (CH3COO)3C4H7 + H2O =>
3 CH3COOH + C4H7(OH)3 = (CH3COO)3C4H7 + 3 H2O
C7H16O3 + O2 = CO2 + H2O =>
2 C7H16O3 + 19 O2 = 14 CO2 + 16 H2O
CH2CHCHO + O2 = CO2 + H2O =>
2 CH2CHCHO + 7 O2 = 6 CO2 + 4 H2O
CuF2 + NH3 = Cu3N + NH4F + N2 =>
6 CuF2 + 16 NH3 = 2 Cu3N + 12 NH4F + N2
Zn + CuSO4 = Zn(SO4)2 + Cu =>
Zn + 2 CuSO4 = Zn(SO4)2 + 2 Cu
NaNO3 + KCrO4 = NaCrO4 + KNO3 =>
NaNO3 + KCrO4 = NaCrO4 + KNO3
K3N + O2 = K2O + N =>
4 K3N + 3 O2 = 6 K2O + 4 N
Ce2 + NaOH = NaCeO + NaCe + H2O =>
Ce2 + 2 NaOH = NaCeO + NaCe + H2O
Ti(OH)3 + NaNO3 + NaOH = Na2TiO3 + NH3 + H2O =>
8 Ti(OH)3 + NaNO3 + 15 NaOH = 8 Na2TiO3 + NH3 + 18 H2O
(NH4)2C2O4 + Mg(NO3)2 = MgC2O4 + NH4(NO3) =>
(NH4)2C2O4 + Mg(NO3)2 = MgC2O4 + 2 NH4(NO3)
BaCl2 + N2H8SO4 = Ba2S2O8 + Cl2N2H8 =>
2 BaCl2 + 2 N2H8SO4 = Ba2S2O8 + 2 Cl2N2H8
NH3 + HF = NH4F =>
NH3 + HF = NH4F
Fe + H{+} = Fe2{+} + H2 =>
4 Fe + 2 H{+} = 2 Fe2{+} + H2
NaHCO3 + H3Po4 = Na3Po4 + CO2 + H2O =>
3 NaHCO3 + H3Po4 = Na3Po4 + 3 CO2 + 3 H2O
NaOCl + H2O2 = NaCl + HO2 =>
2 NaOCl + H2O2 = 2 NaCl + 2 HO2
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
HgNO3 + NaOH = HgOH + NaNO3 =>
HgNO3 + NaOH = HgOH + NaNO3
HClO + CsOH = CsClO + H2O =>
HClO + CsOH = CsClO + H2O
CO2 + NaOH = Na2CO3 + (H2O) =>
CO2 + 2 NaOH = Na2CO3 + (H2O)
Sr(OH)2NH4F = SrFNH4(OH)2 =>
Sr(OH)2NH4F = SrFNH4(OH)2
Be(OH)2 + NaOH + H2O = Na2[Be(OH)6] + H2 =>
Be(OH)2 + 2 NaOH + 2 H2O = Na2[Be(OH)6] + H2
MgI2 + Pb(NO3)2 = Mg(NO3)2 + PbI2 =>
MgI2 + Pb(NO3)2 = Mg(NO3)2 + PbI2
LiCoO2 + Cu = CoO + Li2O + CuO =>
2 LiCoO2 + Cu = 2 CoO + Li2O + CuO
NaOH + Ca(NO3)2 = NaNO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)2 = 2 NaNO3 + Ca(OH)2
Hg2Cl2 + NH4OH = HgNH2Cl + Hg + H2O + HCl =>
Hg2Cl2 + NH4OH = HgNH2Cl + Hg + H2O + HCl
KCN + HNO2 = KNO2 + HCN =>
KCN + HNO2 = KNO2 + HCN
NH4FLiOH = NH3H2OLiF =>
NH4FLiOH = NH3H2OLiF
Cr2O3 + NaNO3 + NaCO3 = NaCrO4 + NaNO2 + CO2 =>
Cr2O3 + 3 NaNO3 + 2 NaCO3 = 2 NaCrO4 + 3 NaNO2 + 2 CO2
C + H2 = CH =>
2 C + H2 = 2 CH
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