| Équations équilibrées la veille |
Cu(NO3)2 + 2 NH3 + 2 H2O = Cu(OH)2 + 2 NH4NO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
BaCO3 + CO2 + H2O = Ba(HCO3)2 =>
BaCO3 + CO2 + H2O = Ba(HCO3)2
BaCO3 + PbSO4 = BaSO4 + PbCO3 =>
BaCO3 + PbSO4 = BaSO4 + PbCO3
(PbCO3)2Pb(OH)2 + HCl = PbCl2 + CO2 + H2O =>
(PbCO3)2Pb(OH)2 + 6 HCl = 3 PbCl2 + 2 CO2 + 4 H2O
Al + NaClO = Al(ClO)3 + Na =>
Al + 3 NaClO = Al(ClO)3 + 3 Na
Mn(NO3)2 + CaCO3 = MnCO3 + Ca(NO3)2 =>
Mn(NO3)2 + CaCO3 = MnCO3 + Ca(NO3)2
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
Al(OH)3 + HF = AlF3 + HOH =>
Al(OH)3 + 3 HF = AlF3 + 3 HOH
Al + Zn(Cl)2 = AlCl3 + Zn =>
2 Al + 3 Zn(Cl)2 = 2 AlCl3 + 3 Zn
Cu + Hg2SO4 = CuSO4 + Hg =>
Cu + Hg2SO4 = CuSO4 + 2 Hg
P2 + H2 = H3P =>
P2 + 3 H2 = 2 H3P
NaOH + NaIO3 + Cl2 = NaCl + H2O + NaIO4 =>
2 NaOH + NaIO3 + Cl2 = 2 NaCl + H2O + NaIO4
Li2S + H2O = Li2O + H2S =>
Li2S + H2O = Li2O + H2S
PbO + C = PbOC =>
PbO + C = PbOC
CO2 + C = O7C5 =>
7 CO2 + 3 C = 2 O7C5
NaCl + H2O = NaO + H2 + Cl =>
NaCl + H2O = NaO + H2 + Cl
Ca3P2O8 = Ca + P + O2 =>
Ca3P2O8 = 3 Ca + 2 P + 4 O2
Fe2(SO4)3(s) = Fe(aq) + SO4(aq) =>
Fe2(SO4)3(s) = 2 Fe(aq) + 3 SO4(aq)
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
HC2H3O2 + Hg(OH)2 = Hg(C2H3O2)2 + H2O =>
2 HC2H3O2 + Hg(OH)2 = Hg(C2H3O2)2 + 2 H2O
Cu + S(t) = CuS =>
Cu + S(t) = CuS
C12H6Cl4 + O2 = H2O + CO2 + HCl =>
2 C12H6Cl4 + 25 O2 = 2 H2O + 24 CO2 + 8 HCl
NaOH + Mg = MgO + NaH =>
NaOH + Mg = MgO + NaH
CaO + Cl2O7 = CaCl2 + O2 =>
CaO + Cl2O7 = CaCl2 + 4 O2
FeSO4 + H2O + NO = [Fe(H2O)5(NO)]SO4 =>
FeSO4 + 5 H2O + NO = [Fe(H2O)5(NO)]SO4
Mn + (NH4)2S = MnS + NH4 =>
Mn + (NH4)2S = MnS + 2 NH4
KMnO4 + C5H8O2 = Mn(C5H7O2)3 + CO2 + KOH + H2O =>
6 KMnO4 + 19 C5H8O2 = 6 Mn(C5H7O2)3 + 5 CO2 + 6 KOH + 10 H2O
PhCH2COOH + H2NCH2CH2OH = PhCH2COOH2NCH2CH2 + H2O =>
PhCH2COOH + H2NCH2CH2OH = PhCH2COOH2NCH2CH2 + H2O
CH3COOH + Ba(HCO3)2 = Ba(CH3COO)2 + H2O + CO2 =>
2 CH3COOH + Ba(HCO3)2 = Ba(CH3COO)2 + 2 H2O + 2 CO2
LiOH + CaCl2 = LiCl + Ca(OH)2 =>
2 LiOH + CaCl2 = 2 LiCl + Ca(OH)2
V10O28{-6} + OH{-} = VO4{3-} + H2O =>
V10O28{-6} + 24 OH{-} = 10 VO4{3-} + 12 H2O
NaClO + NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O
HSO4(aq) + LiOH(aq) = H2O(l) + LiSO4(aq) =>
HSO4(aq) + LiOH(aq) = H2O(l) + LiSO4(aq)
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cl2O5 + Mg(OH)2 = Mg(ClO3)2 + H2O =>
Cl2O5 + Mg(OH)2 = Mg(ClO3)2 + H2O
K2Cr2O7 + H2S = Cr(OH)3 + S + KHS + H2O =>
K2Cr2O7 + 5 H2S = 2 Cr(OH)3 + 3 S + 2 KHS + H2O
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
AgNO3 + NaBrO3 = AgBrO3 + NaNO3 =>
AgNO3 + NaBrO3 = AgBrO3 + NaNO3
FeOH2 + H2 = FeOH3 =>
2 FeOH2 + H2 = 2 FeOH3
Zn + HNO3 = ZnO + HNO2 =>
Zn + HNO3 = ZnO + HNO2
Mn(NO3)2 + CaCO3 = MnCO3 + Ca(NO3)2 =>
Mn(NO3)2 + CaCO3 = MnCO3 + Ca(NO3)2
C3H30 + O2 = CO2 + H2O =>
2 C3H30 + 21 O2 = 6 CO2 + 30 H2O
CrCl3 + NaOH + S = NaClO4 + Na2Cr2O7 + Na2S + H2O =>
2 CrCl3 + 62 NaOH + 27 S = 6 NaClO4 + Na2Cr2O7 + 27 Na2S + 31 H2O
KMnO4 + Na2SO3 + H2SO4 + KF = MnF3 + Na2SO4 + K2SO4 + H2O =>
KMnO4 + 2 Na2SO3 + 2 H2SO4 + 3 KF = MnF3 + 2 Na2SO4 + 2 K2SO4 + 2 H2O
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Na2(Cr2O7) + NH4Cl = Cr2O3 + NaCl + N2 + H2O =>
Na2(Cr2O7) + 2 NH4Cl = Cr2O3 + 2 NaCl + N2 + 4 H2O
CdSO4 + K = K2SO4 + Cd =>
CdSO4 + 2 K = K2SO4 + Cd
NaHCO3 + CH3COOH = NaOOCCH + CO2 + H2O =>
4 NaHCO3 + 3 CH3COOH = 4 NaOOCCH + 2 CO2 + 6 H2O
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