| Équations équilibrées la veille |
Pb(No3)2 + H2O = PbO + 2 HNo3
I{-} + Mn{+7} = I{+5} + Mn{+4} =>
I{-} + 2 Mn{+7} = I{+5} + 2 Mn{+4}
NH3 + Sr(OH)2 = H2O + Sr3N2 =>
2 NH3 + 3 Sr(OH)2 = 6 H2O + Sr3N2
CuSO4 + NaCl = CuCl2 + Na2SO4 =>
CuSO4 + 2 NaCl = CuCl2 + Na2SO4
AgNO3(aq) + CaCl2(aq) = AgCl(aq) + Ca(NO3)2 =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(aq) + Ca(NO3)2
Cu(OH)2 + CO2 = Cu(CO3) + H2O =>
Cu(OH)2 + CO2 = Cu(CO3) + H2O
MnO2 + NaOH = NaMnO4 + Na3MnO3 + H2O =>
4 MnO2 + 10 NaOH = NaMnO4 + 3 Na3MnO3 + 5 H2O
KCH3COO + H2S = CH3COOH + K2S =>
2 KCH3COO + H2S = 2 CH3COOH + K2S
Fe(CrO)2 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 Fe(CrO)2 + 8 Na2CO3 + 11 O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO2
NaSO3 = Na + S2 + O2 =>
2 NaSO3 = 2 Na + S2 + 3 O2
Ce{4+} + Cl{-} = Ce{3+} + Cl2 =>
2 Ce{4+} + 2 Cl{-} = 2 Ce{3+} + Cl2
TiCl4 + H2O = HCl + Ti2O4 =>
2 TiCl4 + 4 H2O = 8 HCl + Ti2O4
FeCl3CaCO3 = CaCl3FeCO3 =>
FeCl3CaCO3 = CaCl3FeCO3
Cl2 + OH = ClOH =>
Cl2 + 2 OH = 2 ClOH
(NH4)3PO4(aq) + SrBr2(aq) = (NH4)3Br2(aq) + SrPO4(aq) =>
(NH4)3PO4(aq) + SrBr2(aq) = (NH4)3Br2(aq) + SrPO4(aq)
Li2S + Ba3N2 = Ba2S2 + Li3N =>
6 Li2S + 2 Ba3N2 = 3 Ba2S2 + 4 Li3N
Ga + NaOH + H2O = Na[Ga(OH)4] + H =>
Ga + NaOH + 3 H2O = Na[Ga(OH)4] + 3 H
P + KOH + H2O = PH3 + KH2PO4 =>
8 P + 3 KOH + 9 H2O = 5 PH3 + 3 KH2PO4
H2 + O3 + C7 = H2O*14C =>
3 H2 + O3 + 6 C7 = 3 H2O*14C
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
Zn + NaHSO4 = Na2SO4 + ZnSO4 + H2 =>
Zn + 2 NaHSO4 = Na2SO4 + ZnSO4 + H2
Mn(CH3COO)2 = Mn + CH3COO =>
Mn(CH3COO)2 = Mn + 2 CH3COO
KOH + NaOH = NaK + H2O + O =>
KOH + NaOH = NaK + H2O + O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Ni(OH)2 = NiO + OH2 =>
Ni(OH)2 = NiO + OH2
NH3 + Pb2 = Pb(NH3) =>
2 NH3 + Pb2 = 2 Pb(NH3)
Ca + FeSO4 = CaSO4 + Fe =>
Ca + FeSO4 = CaSO4 + Fe
CH3COOH + NaCH3COO = CH3COO + NaH =>
CH3COOH + NaCH3COO = 2 CH3COO + NaH
C6H13NH + O2 = CO2 + H2O + N2 =>
2 C6H13NH + 19 O2 = 12 CO2 + 14 H2O + N2
C9H9BrO2 + KOH + C2H6O = C9H8O2K + KBr + H2O =>
26 C9H9BrO2 + 54 KOH + 9 C2H6O = 28 C9H8O2K + 26 KBr + 59 H2O
KHCO3(aq) + H2SO4(aq) = CO2(g) + H2O(l) + K2SO4(aq) =>
2 KHCO3(aq) + H2SO4(aq) = 2 CO2(g) + 2 H2O(l) + K2SO4(aq)
FeCl3 + CaCO3 = FeClCO3 + CaCl2 =>
FeCl3 + CaCO3 = FeClCO3 + CaCl2
NH4{+} + MoO4{-2} + H3PO4 + H{+} = (NH4)3PO4*12MoO3 + H2O =>
3 NH4{+} + 12 MoO4{-2} + H3PO4 + 21 H{+} = (NH4)3PO4*12MoO3 + 12 H2O
NaBr + Na2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + Br2 + H2O =>
6 NaBr + Na2Cr2O7 + 7 H2SO4 = 4 Na2SO4 + Cr2(SO4)3 + 3 Br2 + 7 H2O
Ni(OH)2 + O2 = NiO(OH) + H2O =>
4 Ni(OH)2 + O2 = 4 NiO(OH) + 2 H2O
Ca3SiO5 + NaH2PO4 = Ca3(PO4)2 + H2O + Na2SiO3 =>
Ca3SiO5 + 2 NaH2PO4 = Ca3(PO4)2 + 2 H2O + Na2SiO3
Pb + MgO = MgPb + O2 =>
2 Pb + 2 MgO = 2 MgPb + O2
Hg2CO3 + HNO3 = Hg(NO3)2 + H2O + CO2 + N =>
5 Hg2CO3 + 22 HNO3 = 10 Hg(NO3)2 + 11 H2O + 5 CO2 + 2 N
(NH4)2Cr2O7 + KOH = H2O + K2CrO4 + (NH4)2CrO4 =>
(NH4)2Cr2O7 + 2 KOH = H2O + K2CrO4 + (NH4)2CrO4
H2 + Au + CN[{-}] + O2 = Au(CN)4[{-}] + OH[{-}] =>
3 H2 + 2 Au + 8 CN[{-}] + 3 O2 = 2 Au(CN)4[{-}] + 6 OH[{-}]
CuCl2 + Cu(OH)2 = Cu(OH)Cl =>
CuCl2 + Cu(OH)2 = 2 Cu(OH)Cl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CuBr2 + NaOH = Cu(OH)2 + NaBr =>
CuBr2 + 2 NaOH = Cu(OH)2 + 2 NaBr
Na2[Zn(OH)4] + HNO3 = NaNO3 + Zn(NO3)2 + H2O =>
Na2[Zn(OH)4] + 4 HNO3 = 2 NaNO3 + Zn(NO3)2 + 4 H2O
H2O2 + C6H6O = H2O + CO2 =>
14 H2O2 + C6H6O = 17 H2O + 6 CO2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Al2Br3 + Cl2 = Al + ClBr =>
2 Al2Br3 + 3 Cl2 = 4 Al + 6 ClBr
Cu(NO2)2 + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu(NO2)2 + 4 HNO3 = 3 Cu(NO3)2 + 4 NO + 2 H2O
Fe2S4 + O2 = Fe2O3 + SO2 =>
2 Fe2S4 + 11 O2 = 2 Fe2O3 + 8 SO2
Cr2O3 + Na2CO3 = NaCrO2 + CO2 =>
Cr2O3 + Na2CO3 = 2 NaCrO2 + CO2
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