Équations équilibrées la veille |
2 KBrO3 + 2 HNO3 + 5 Na2SO3 = Br2 + 2 KNO3 + 5 Na2SO4 + H2O
BeO + NO2 = Be(NO3) =>
BeO + NO2 = Be(NO3)
K2I2 + Br2 = K2Br2 + I2 =>
K2I2 + Br2 = K2Br2 + I2
K2CO3(aq) + Co(NO3)2(aq) = CoCO3(s) + KNO3(aq) =>
K2CO3(aq) + Co(NO3)2(aq) = CoCO3(s) + 2 KNO3(aq)
Cu(SO4) + Na(NO3) = Cu(NO3) + Na(SO4) =>
Cu(SO4) + Na(NO3) = Cu(NO3) + Na(SO4)
Sr + O2 = SrO =>
2 Sr + O2 = 2 SrO
RbI + Cl = RbCl + I =>
RbI + Cl = RbCl + I
CH3CH2CH2OH + H2O = CH3CH2OH =>
2 CH3CH2CH2OH + H2O = 3 CH3CH2OH
C10H7OH + NaHCO3 = H2O + CO2 + C10H7ONa =>
C10H7OH + NaHCO3 = H2O + CO2 + C10H7ONa
BaCl2(aq) + AgNO3 = AgCl(s) + Ba(NO3)2 =>
BaCl2(aq) + 2 AgNO3 = 2 AgCl(s) + Ba(NO3)2
Al + HgCl2 + H2O = HgO + AlCl3 + H2 =>
2 Al + 3 HgCl2 + 3 H2O = 3 HgO + 2 AlCl3 + 3 H2
(CuOH)2CO3 = Cu + O2 + CO2 + H2O =>
(CuOH)2CO3 = 2 Cu + O2 + CO2 + H2O
Cr(OH)3 + KOH + Cl2 = KCl + K2CrO4 + H2O =>
2 Cr(OH)3 + 10 KOH + 3 Cl2 = 6 KCl + 2 K2CrO4 + 8 H2O
ZnO + HCl = ZnCl2 + H2O = =>
ZnO + 2 HCl = ZnCl2 + H2O
Al + CrO3 = AlO3 + Cr =>
Al + CrO3 = AlO3 + Cr
HCl + NaOH{-} = NaCl{-} + H2O =>
HCl + NaOH{-} = NaCl{-} + H2O
MgNO3 + H2SO4 = MgSO4 + H2NO3 =>
MgNO3 + H2SO4 = MgSO4 + H2NO3
HNO2 + KNO3 = HNO3 + KNO2 =>
HNO2 + KNO3 = HNO3 + KNO2
NH4CN + FeCl3 = Fe(CN)3 + NH4Cl =>
3 NH4CN + FeCl3 = Fe(CN)3 + 3 NH4Cl
Cu3S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu3S + 16 HNO3 = 2 Cu(NO3)2 + CuSO4 + 12 NO2 + 8 H2O
Fe(s) + HBr(l) = FeBr3(s) + H2(g) =>
2 Fe(s) + 6 HBr(l) = 2 FeBr3(s) + 3 H2(g)
(NH4)3P + BaCl2 = NH4Cl + Ba3P2 =>
2(NH4)3P + 3 BaCl2 = 6 NH4Cl + Ba3P2
Pb{2+}(aq) + I{-}(aq) = PbI2(s) =>
Pb{2+}(aq) + 2 I{-}(aq) = PbI2(s)
Hg(NO3)2(s) = HgO(s) + NO2(g) + O(g) =>
Hg(NO3)2(s) = HgO(s) + 2 NO2(g) + O(g)
NH4Cl + Ca(OH)2 = NH4OH + CaCl2 =>
2 NH4Cl + Ca(OH)2 = 2 NH4OH + CaCl2
H3PO2 + AgNO3 + H2O = H3PO4 + Ag + NH3 =>
9 H3PO2 + 4 AgNO3 + 6 H2O = 9 H3PO4 + 4 Ag + 4 NH3
Au + S = AuS =>
Au + S = AuS
C2H6 + CoF3 = C2F6 + HF + CoF2 =>
C2H6 + 12 CoF3 = C2F6 + 6 HF + 12 CoF2
Na2OOCCOO + HCl = NaOOCCOOH + NaCl =>
Na2OOCCOO + HCl = NaOOCCOOH + NaCl
Na(s) + H2O(l) = NaOH(aq) + H2(g)(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)(g)
AgCl + H3PO4 = Ag3PO4 + HCl =>
3 AgCl + H3PO4 = Ag3PO4 + 3 HCl
S8 + FeI3 = I2 + Fe2S3 =>
3 S8 + 16 FeI3 = 24 I2 + 8 Fe2S3
(NH4)2S2O8 + NaOH = Na2S2O8 + H3N + H2O =>
(NH4)2S2O8 + 2 NaOH = Na2S2O8 + 2 H3N + 2 H2O
Na + Fe2(CO3)3 = Na2CO3 + Fe =>
6 Na + Fe2(CO3)3 = 3 Na2CO3 + 2 Fe
Sb + H2O2 + NaOH = Na3SbO3 + H2O =>
2 Sb + 3 H2O2 + 6 NaOH = 2 Na3SbO3 + 6 H2O
ReO2 + H2O = Re(OH)4 =>
ReO2 + 2 H2O = Re(OH)4
Ni + Sn = Ni3Sn4 =>
3 Ni + 4 Sn = Ni3Sn4
Al + (OH){-} + H2O = (Al(OH)4){-} + H2 =>
2 Al + 2(OH){-} + 6 H2O = 2(Al(OH)4){-} + 3 H2
H + HClO4 + NaOH = NaCl + H2O =>
8 H + HClO4 + NaOH = NaCl + 5 H2O
K + H3PO4 = K3PO4 + H2 =>
6 K + 2 H3PO4 = 2 K3PO4 + 3 H2
Fe(HSO3)3 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe(HSO3)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O + 6 SO2
Na3P + Cu2O3 = Na2O + CuP =>
2 Na3P + Cu2O3 = 3 Na2O + 2 CuP
HClO(aq) + H2O(l) = ClO + H3O =>
HClO(aq) + H2O(l) = ClO + H3O
BaCO3 + TiO2 = Ba2TiO4 + CO2 =>
2 BaCO3 + TiO2 = Ba2TiO4 + 2 CO2
C8H9NO2 + C2H5I + NaOH = C10H13NO2 + Na + H2O + I =>
C8H9NO2 + C2H5I + NaOH = C10H13NO2 + Na + H2O + I
NaCl(aq) + LiOH(aq) = LiCl(aq) + NaOH(aq) =>
NaCl(aq) + LiOH(aq) = LiCl(aq) + NaOH(aq)
Na2CO3(s) + HCl(aq) = CO2(g) + H2O(l) + NaCl(q) =>
Na2CO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + 2 NaCl(q)
(CH3CO)2O + H2O = CH3CO2H =>
(CH3CO)2O + H2O = 2 CH3CO2H
Fe(HO)3 + H2SO4 = Fe(HSO4)3 + H2O =>
Fe(HO)3 + 3 H2SO4 = Fe(HSO4)3 + 3 H2O
Pb(NO3)2(aq) + Mg = Mg(NO3)2 + Pb =>
Pb(NO3)2(aq) + Mg = Mg(NO3)2 + Pb
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