Équations équilibrées la veille |
FeCl3 + 3 KCNS + 3 H2O = Fe(CNS)3 + 3 HCl + 3 KOH
KClO3 + SO2 + H2 = K2SO4 + HCl + H2O =>
2 KClO3 + SO2 + 5 H2 = K2SO4 + 2 HCl + 4 H2O
MgBr2(aq) + Ca(NO3)2(aq) = Mg(NO3)2 + CaBr2(aq) =>
MgBr2(aq) + Ca(NO3)2(aq) = Mg(NO3)2 + CaBr2(aq)
NH4Cl + AgNO3 = NH3 + AgCl + HNO3 =>
NH4Cl + AgNO3 = NH3 + AgCl + HNO3
K2CrO4 + H2O2 + H2SO4 = CrO(O2)2 + K2SO4 + H2O =>
K2CrO4 + 2 H2O2 + H2SO4 = CrO(O2)2 + K2SO4 + 3 H2O
S2{-} + NO3{-} + H{+} = SO42{-} + NO + H2O =>
3 S2{-} + 167 NO3{-} + 164 H{+} = 6 SO42{-} + 167 NO + 82 H2O
NaHCO3(s) + H3C5H5O7(s) = H2O(l) + CO2(g) + Na3C5H5O7(ac) =>
3 NaHCO3(s) + H3C5H5O7(s) = 3 H2O(l) + 3 CO2(g) + Na3C5H5O7(ac)
C4H8O2 + CaCO3 = Ca{2+} + C4H7O{-} + H2O + CO2 =>
11 C4H8O2 + 5 CaCO3 = 5 Ca{2+} + 10 C4H7O{-} + 9 H2O + 9 CO2
SeO2 + H2SO4 = H2SeO4 + SO2 =>
SeO2 + H2SO4 = H2SeO4 + SO2
Pb(s) + F2(g) = PbF2(s) =>
Pb(s) + F2(g) = PbF2(s)
CaCO3 + CH4COOH = Ca(CH3COO)2 + H2O + CO2 =>
9 CaCO3 + 16 CH4COOH = 9 Ca(CH3COO)2 + 13 H2O + 5 CO2
K2FeO4 + Cr(OH)4 = Fe(OH)3 + K2CrO4 + OH =>
K2FeO4 + Cr(OH)4 = Fe(OH)3 + K2CrO4 + OH
C6H6{-}C2H4 + Br2 = C6H5{-}C2H4Br + HBr =>
2 C6H6{-}C2H4 + Br2 = 2 C6H5{-}C2H4Br + 2 HBr
NaIO3 + SO2 + H2O = Na2SO4 + I2 + H2SO4 =>
2 NaIO3 + 5 SO2 + 4 H2O = Na2SO4 + I2 + 4 H2SO4
NaBr + HOCl = HOBr + NaCl =>
NaBr + HOCl = HOBr + NaCl
K2SeO3 + KOH + Br2 = K2SeO4 + KBr + H2O =>
K2SeO3 + 2 KOH + Br2 = K2SeO4 + 2 KBr + H2O
AlN + HCl = AlCl3 + H3N =>
AlN + 3 HCl = AlCl3 + H3N
MnO4{-} + SO3{-}2 + H{+} = Mn2{+} + SO4{-}2 + H2O =>
4 MnO4{-} + 13 SO3{-}2 + 6 H{+} = 2 Mn2{+} + 13 SO4{-}2 + 3 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Sn + NaOH + NaNO3 = Na2SnO3 + N2 + H2O =>
5 Sn + 6 NaOH + 4 NaNO3 = 5 Na2SnO3 + 2 N2 + 3 H2O
NaH2S = NaSH2 =>
NaH2S = NaSH2
MgOH2SO3 = MgSO3H2O =>
MgOH2SO3 = MgSO3H2O
SO2(s) + O2(s) = SO3(s) =>
2 SO2(s) + O2(s) = 2 SO3(s)
CrPO4 + Na2SO4 = Cr2(SO4)3 + Na3PO4 =>
2 CrPO4 + 3 Na2SO4 = Cr2(SO4)3 + 2 Na3PO4
MgI2 + K2CO3 = KI + MgCO3 =>
MgI2 + K2CO3 = 2 KI + MgCO3
MgNO = Mg(NO) =>
MgNO = Mg(NO)
Ag(OH)2 + Na = NaOH + Ag =>
Ag(OH)2 + 2 Na = 2 NaOH + Ag
NaCO3 + H2O = NaO + H2CO3 =>
NaCO3 + H2O = NaO + H2CO3
CaS + HCl = ClS + HCa =>
CaS + HCl = ClS + HCa
PBS + H2O2 = PBSO4 + H20(partialmethod) =>
5 PBS + 10 H2O2 = 5 PBSO4 + H20(partialmethod)
NaVO3 + BaCl2 + H2O = Ba2V2O7 + NaCl + HCl =>
2 NaVO3 + 2 BaCl2 + H2O = Ba2V2O7 + 2 NaCl + 2 HCl
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
K + O = KO2 =>
K + 2 O = KO2
Na2CO3 + KNO3 = CO3K2 + NaNO3 =>
Na2CO3 + 2 KNO3 = CO3K2 + 2 NaNO3
Sn(CO3)2 = Sn + (CO3)2 =>
Sn(CO3)2 = Sn + (CO3)2
KNO3 + Zn + H2SO4 = ZnSO4 + (NH4)2SO4 + K2SO4 + H2O =>
2 KNO3 + 8 Zn + 10 H2SO4 = 8 ZnSO4 + (NH4)2SO4 + K2SO4 + 6 H2O
KNO3 + Na2CO3 = K2CO3 + NaNO3 =>
2 KNO3 + Na2CO3 = K2CO3 + 2 NaNO3
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
CaOHCl + NaOH = Ca(OH)2 + NaCl =>
CaOHCl + NaOH = Ca(OH)2 + NaCl
MnS + HCl + HNO4 = MnCl2 + NO + S + H2O =>
5 MnS + 10 HCl + 2 HNO4 = 5 MnCl2 + 2 NO + 5 S + 6 H2O
C8H8 + O2(g) = CO2(g) + H2O =>
C8H8 + 10 O2(g) = 8 CO2(g) + 4 H2O
Pb(NO3) + FeCl2 = PbCl2 + Fe(NO3) =>
Pb(NO3) + FeCl2 = PbCl2 + Fe(NO3)
BaO + N2O5 = Ba(NO3)2 =>
BaO + N2O5 = Ba(NO3)2
ZnF2 + H2O = ZnO + HF =>
ZnF2 + H2O = ZnO + 2 HF
Fe(No3)2 + Li = LiNo3 + Fe =>
Fe(No3)2 + 2 Li = 2 LiNo3 + Fe
HFl + Ca(OH)2 = CaFl2 + H2O =>
2 HFl + Ca(OH)2 = CaFl2 + 2 H2O
K2S2O5 + H2O = SO2 + KOH =>
K2S2O5 + H2O = 2 SO2 + 2 KOH
P4O10 + Ca(OH)2 = Ca3(PO4)2 + H2O(l) =>
P4O10 + 6 Ca(OH)2 = 2 Ca3(PO4)2 + 6 H2O(l)
H3AsO4 + Zn + H2SO4 = H3As + ZnSO4 + H2O =>
H3AsO4 + 4 Zn + 4 H2SO4 = H3As + 4 ZnSO4 + 4 H2O
ZnCl2 + Pb(NO3)2 = Zn(NO3)2 + PbCl2 =>
ZnCl2 + Pb(NO3)2 = Zn(NO3)2 + PbCl2
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