| Équations équilibrées la veille |
Mg(ClO3)2 = MgCl2 + 3 O2
HOH = H2 + O =>
HOH = H2 + O
HMnO4 + H = MnO2 + H2O =>
HMnO4 + 3 H = MnO2 + 2 H2O
CuCl2 + KSCN = Cu(SCN) + KCl + Cl =>
CuCl2 + KSCN = Cu(SCN) + KCl + Cl
Na2Co3(aq) + BeCl2(aq) = BeCo3(s) + NaCl(aq) =>
Na2Co3(aq) + BeCl2(aq) = BeCo3(s) + 2 NaCl(aq)
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
C6H5ONa + H2S = C6H5OH + NaHS =>
C6H5ONa + H2S = C6H5OH + NaHS
Cr2O7 + Fe = Cr + FeO =>
Cr2O7 + 7 Fe = 2 Cr + 7 FeO
KOH + H2(SO4) = K2(SO4) + H(OH)(H2O) =>
2 KOH + H2(SO4) = K2(SO4) + H(OH)(H2O)
Pb(MnO4)2 + NaNO3 = Pb(NO3)2 + Na(MnO4) =>
Pb(MnO4)2 + 2 NaNO3 = Pb(NO3)2 + 2 Na(MnO4)
C6H5Br + CH3CH2OH + AgNO3 = H + NO3 + AgBr + C6H5OCH2CH3 =>
C6H5Br + CH3CH2OH + AgNO3 = H + NO3 + AgBr + C6H5OCH2CH3
BeF2 + HCl = BeCl2 + HF =>
BeF2 + 2 HCl = BeCl2 + 2 HF
Cu2 + F2 = CuF =>
Cu2 + F2 = 2 CuF
MgSO4NaO = NaSO4MgO =>
MgSO4NaO = NaSO4MgO
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
C11H24 + O2 = CO2 + H2O =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
MgN + H2O = MgO2 + NH4 =>
MgN + 2 H2O = MgO2 + NH4
OH{-} + H2PO4{-} = PO4{3-} + H2O =>
2 OH{-} + H2PO4{-} = PO4{3-} + 2 H2O
C4H11N + HCl = C4H12ClN =>
C4H11N + HCl = C4H12ClN
C4H10(s) + O2(g) = CO2(g) + H2O(l) =>
2 C4H10(s) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
NH4Fe(SO4)2 + KSCN = Fe(SCN)3 + K2SO4 + NH4SCN =>
NH4Fe(SO4)2 + 4 KSCN = Fe(SCN)3 + 2 K2SO4 + NH4SCN
NH3(g) + O2(g) = N2O(g) + H2O(l) =>
2 NH3(g) + 2 O2(g) = N2O(g) + 3 H2O(l)
CO2 + O2 = CO4 =>
CO2 + O2 = CO4
(NH4)6Mo7O24 + SnCl2 + HCl = Mo5O14 + (NH4)2SnCl6 + NH4Cl + H2O =>
5(NH4)6Mo7O24 + 7 SnCl2 + 44 HCl = 7 Mo5O14 + 7(NH4)2SnCl6 + 16 NH4Cl + 22 H2O
S8 + KNO3 = SO2 + NO2 + K2O =>
S8 + 32 KNO3 = 8 SO2 + 32 NO2 + 16 K2O
Sn(OH)4 + HBr = H2O + SnBr4 =>
Sn(OH)4 + 4 HBr = 4 H2O + SnBr4
NaH2PO4 + Ca(OH)2 = Ca3(PO4)2 + NaOH + H2O =>
2 NaH2PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 2 NaOH + 4 H2O
SO2 + Na2O2 = SO3 + Na2O =>
SO2 + Na2O2 = SO3 + Na2O
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Co(OH)ClNH4OH = H2O2ClCoNH4 =>
Co(OH)ClNH4OH = H2O2ClCoNH4
Fe + MgCO3 = Fe2(CO3)3 + Mg =>
2 Fe + 3 MgCO3 = Fe2(CO3)3 + 3 Mg
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
Fe{+2} + CrO7{-2} + H{+} = Fe{+3} + Cr{+3} + H2O =>
9 Fe{+2} + CrO7{-2} + 14 H{+} = 9 Fe{+3} + Cr{+3} + 7 H2O
NaOH(aq) + CoCl(aq) = CoOH(s) + NaCl(aq) =>
NaOH(aq) + CoCl(aq) = CoOH(s) + NaCl(aq)
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
FeBr2(aq) + K2CO3(aq) = FeCO3 + KBr() =>
FeBr2(aq) + K2CO3(aq) = FeCO3 + 2 KBr()
Fe + Br = FeBr3 =>
Fe + 3 Br = FeBr3
KI + KMnO4 + HCl = KIO3 + MnCl2 + KCl + H2O =>
5 KI + 6 KMnO4 + 18 HCl = 5 KIO3 + 6 MnCl2 + 6 KCl + 9 H2O
C3H8O3 + C = C3H8 + CO2 =>
2 C3H8O3 + 3 C = 2 C3H8 + 3 CO2
NaOH + Ni(OH)2 = Na + NiOOH + H2O =>
NaOH + Ni(OH)2 = Na + NiOOH + H2O
H2SO4 + [Cu(NH3)4]SO4 = CuSO4 + (NH4)2SO4 =>
2 H2SO4 + [Cu(NH3)4]SO4 = CuSO4 + 2(NH4)2SO4
CH4N2O + H2SO4 + C2H6O + C12H22O11 = C20H32N2O3S + H2O =>
6 CH4N2O + 6 H2SO4 + 45 C2H6O + 2 C12H22O11 = 6 C20H32N2O3S + 79 H2O
HNO3 + Hg + H2SO4 = NO + Hg2SO4 + H2O =>
2 HNO3 + 6 Hg + 3 H2SO4 = 2 NO + 3 Hg2SO4 + 4 H2O
Mg(s) + FeNO3(aq) = Fe(s) + Mg(NO3)2 =>
Mg(s) + 2 FeNO3(aq) = 2 Fe(s) + Mg(NO3)2
NaOH + CI = NaCI + NaCIO3 + H2O =>
6 NaOH + 6 CI = 5 NaCI + NaCIO3 + 3 H2O
H2SO4 + Fe(C2H3O2)2 = FeSO4 + HC2H3O2 =>
H2SO4 + Fe(C2H3O2)2 = FeSO4 + 2 HC2H3O2
NO + H2O = HNO2 + H =>
NO + H2O = HNO2 + H
Ca + AgNO3(aq) = CaNO3(aq) + Ag(s) =>
Ca + AgNO3(aq) = CaNO3(aq) + Ag(s)
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