| Équations équilibrées la veille |
14 H3O{+} + Cr2O7{-2} + 3 Zn = 2 Cr{+3} + 21 H2O + 3 Zn{2+}
(NH4)Br + Ca(OH)2 = CaBr2 + NH3 + H2O =>
2(NH4)Br + Ca(OH)2 = CaBr2 + 2 NH3 + 2 H2O
LiCI + O2 = LiCIO3 =>
2 LiCI + 3 O2 = 2 LiCIO3
Fe(NO3)2 + Na3(PO4) = Fe3(PO4)2 + NaNO3 =>
3 Fe(NO3)2 + 2 Na3(PO4) = Fe3(PO4)2 + 6 NaNO3
Pb + NH3 + O2 = Pb(NO3)2 + H2O =>
2 Pb + 4 NH3 + 9 O2 = 2 Pb(NO3)2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2 + Pb2O5 = Pb + H2O =>
5 H2 + Pb2O5 = 2 Pb + 5 H2O
Zn + ICl3 = ZnCl + I2 =>
6 Zn + 2 ICl3 = 6 ZnCl + I2
Hg2SO4 + HCl = Hg2Cl2 + H2SO4 =>
Hg2SO4 + 2 HCl = Hg2Cl2 + H2SO4
HNO3 + Cu(HCO3)2 = Cu(NO3)2 + H(HCO3) =>
2 HNO3 + Cu(HCO3)2 = Cu(NO3)2 + 2 H(HCO3)
AlCl3 + CaCO3 = CaCl2 + Al2(CO3)3 =>
2 AlCl3 + 3 CaCO3 = 3 CaCl2 + Al2(CO3)3
NH2CSNH2 + H2O = NH3 + H2S + CO2 =>
NH2CSNH2 + 2 H2O = 2 NH3 + H2S + CO2
CrCl2 + KOH = CrOH + KCl2 =>
CrCl2 + KOH = CrOH + KCl2
Na2CO3 + H2SO4 = Na2SO4 + H(OH) + CO2 =>
Na2CO3 + H2SO4 = Na2SO4 + H(OH) + CO2
Al2(SO4)3 + Na2HPO4 + CH3COONa = AlPO4 + Na2SO4 + CH3COOH =>
Al2(SO4)3 + 2 Na2HPO4 + 2 CH3COONa = 2 AlPO4 + 3 Na2SO4 + 2 CH3COOH
NaCl + HNO2 = NaNO2 + HCl =>
NaCl + HNO2 = NaNO2 + HCl
FeCl3 + NOH5 = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NOH5 = Fe(OH)3 + 3 NH4Cl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NH4(ClO4) = Cl2 + O2 + H2O + N2 =>
2 NH4(ClO4) = Cl2 + 2 O2 + 4 H2O + N2
C4H10S(l) + O2(g) = SO3(g) + H2O(g) + CO2(g) =>
C4H10S(l) + 8 O2(g) = SO3(g) + 5 H2O(g) + 4 CO2(g)
Ba(OH)2 + NaOH = Na2BaO2 + H2O =>
Ba(OH)2 + 2 NaOH = Na2BaO2 + 2 H2O
Mg(OH)2 + AuCl3 = Au + MgCl2 + H2O2 =>
3 Mg(OH)2 + 2 AuCl3 = 2 Au + 3 MgCl2 + 3 H2O2
Cu + NaNO3 + H2SO4 = NaHSO4 + Cu(NO3)3 + H2O + NO2 =>
Cu + 6 NaNO3 + 6 H2SO4 = 6 NaHSO4 + Cu(NO3)3 + 3 H2O + 3 NO2
CuO + CH3COOH = Cu + CO2 + H2O =>
4 CuO + CH3COOH = 4 Cu + 2 CO2 + 2 H2O
Ba + N = BaN =>
Ba + N = BaN
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Mg + H2O = Mg(OH)2 + hydrogen =>
Mg + 2 H2O = Mg(OH)2 + H2
NH3 + Na2CO3 = Na3N + H2O + CO2 =>
2 NH3 + 3 Na2CO3 = 2 Na3N + 3 H2O + 3 CO2
C7H12O4N + O2 = CO2 + NH3 + H2O =>
4 C7H12O4N + 29 O2 = 28 CO2 + 4 NH3 + 18 H2O
H2PdCl4 + Zn = Pd + ZnCl2 + H =>
H2PdCl4 + 2 Zn = Pd + 2 ZnCl2 + 2 H
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H3BO3 + Na2CO3 = Na2B4O7 + CO2 + H2O =>
4 H3BO3 + Na2CO3 = Na2B4O7 + CO2 + 6 H2O
Al(s) + O2(g) = AlO3(s) =>
2 Al(s) + 3 O2(g) = 2 AlO3(s)
Li2CO3 + TeO2 + HfO2 + O2 = Li2HfTeO6 + CO2 =>
2 Li2CO3 + 2 TeO2 + 2 HfO2 + O2 = 2 Li2HfTeO6 + 2 CO2
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
Al2SiO5Cr + NaCN + H2O2 = Al(CN)2 + Cr(CN)2 + NaOH + H2SiO5 + O2 =>
Al2SiO5Cr + 6 NaCN + 4 H2O2 = 2 Al(CN)2 + Cr(CN)2 + 6 NaOH + H2SiO5 + O2
NaClO + CaCl2 = NaCl + Cl2 + CaO =>
NaClO + CaCl2 = NaCl + Cl2 + CaO
PCl5() + H2O() = H3PO4() + HCl() =>
PCl5() + 4 H2O() = H3PO4() + 5 HCl()
K3PO4 + Na2SO4 = K2SO4 + Na3PO4 =>
2 K3PO4 + 3 Na2SO4 = 3 K2SO4 + 2 Na3PO4
Pb + Cl2 = PbCl =>
2 Pb + Cl2 = 2 PbCl
Br2S3 + O = Br2O3 + SO2 =>
Br2S3 + 9 O = Br2O3 + 3 SO2
ZnCl2 + HNo3 = Zn(No3)2 + HCl =>
ZnCl2 + 2 HNo3 = Zn(No3)2 + 2 HCl
(NH4)2CO3 = CO2 + H2O + NH3 =>
(NH4)2CO3 = CO2 + H2O + 2 NH3
ZnCl2 + CuCl2 + NH4OH = ZnCu(OH)2 + NH4Cl2 =>
ZnCl2 + CuCl2 + 2 NH4OH = ZnCu(OH)2 + 2 NH4Cl2
C7H8 + KMnO4 = C7H8KMnO4 =>
C7H8 + KMnO4 = C7H8KMnO4
KSO4 + Ba(OH) = K(OH) + BaSO4 =>
KSO4 + Ba(OH) = K(OH) + BaSO4
NaAt + I2 = NaI + At2 =>
2 NaAt + I2 = 2 NaI + At2
Al(OH)3 + AgNO3 = Al(NO3)3 + AgOH =>
Al(OH)3 + 3 AgNO3 = Al(NO3)3 + 3 AgOH
K + F2 = KF =>
2 K + F2 = 2 KF
PbNO3 + HSO3 = HNO3 + PbSO3 =>
PbNO3 + HSO3 = HNO3 + PbSO3
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