| Équations équilibrées la veille |
2 Cr{+} + CH3COO{-} + 4 H2O = 2 Cr{3+} + CH3CH2OH + 5 OH{-}
H2O + MnO4 = MnO + OH =>
3 H2O + MnO4 = MnO + 6 OH
Mg3N2 + Al2O3 = MgO + AlN =>
Mg3N2 + Al2O3 = 3 MgO + 2 AlN
C15H31COOH + O2 = CO2 + H2O =>
C15H31COOH + 23 O2 = 16 CO2 + 16 H2O
Ba + O2 = BaO2 =>
Ba + O2 = BaO2
Fe(NO3)3 + K2Cr2O7 = K2(NO3)3 + FeCr2 + O =>
Fe(NO3)3 + K2Cr2O7 = K2(NO3)3 + FeCr2 + 7 O
Na2CO3 + HgCl2 = Na2Cl2 + HgCO3 =>
Na2CO3 + HgCl2 = Na2Cl2 + HgCO3
NO2 + CO = N + CO2 =>
NO2 + 2 CO = N + 2 CO2
Cu(H2O)NH3 = Cu(NH3)H2O =>
Cu(H2O)NH3 = Cu(NH3)H2O
Fe(C6H5O7) + KSCN = K3(C6H5O7) + Fe(SCN)3 =>
Fe(C6H5O7) + 3 KSCN = K3(C6H5O7) + Fe(SCN)3
BF3 + HCl = BF3Cl + H =>
BF3 + HCl = BF3Cl + H
SO2 + Hg2(NO3)2 = Hg + NO2 + SO4 =>
SO2 + Hg2(NO3)2 = 2 Hg + 2 NO2 + SO4
Pd + Cu{2+} = Pd{3+} + Cu =>
2 Pd + 3 Cu{2+} = 2 Pd{3+} + 3 Cu
AgOH + NH4OH = [Ag(NH3)2]OH + H2O =>
AgOH + 2 NH4OH = [Ag(NH3)2]OH + 2 H2O
CaCl2(aq) + Na2B4O7(S) = CaB4O7(S) + NaCl(aq) =>
CaCl2(aq) + Na2B4O7(S) = CaB4O7(S) + 2 NaCl(aq)
Fe(C6H5O7) + KSCN = K3(C6H5O7) + Fe(SCN)3 =>
Fe(C6H5O7) + 3 KSCN = K3(C6H5O7) + Fe(SCN)3
FeCl2 + NaOH = Fe(OH)2 + ClNa =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 ClNa
CO2 + H2O = C8H12O2 + O2 =>
8 CO2 + 6 H2O = C8H12O2 + 10 O2
NaNO2 + KI + C6H10O5 = NaK + NO2 + C6H10O5I2 =>
2 NaNO2 + 2 KI + C6H10O5 = 2 NaK + 2 NO2 + C6H10O5I2
O2 + CuCO3 = CuO2 + CO3 =>
O2 + CuCO3 = CuO2 + CO3
FeO3(aq) + CO(g) = Fe(aq) + CO2(aq) =>
FeO3(aq) + 3 CO(g) = Fe(aq) + 3 CO2(aq)
CoCl2 + KClO2 + KOH = KCl + Co2O3 + H2O =>
4 CoCl2 + KClO2 + 8 KOH = 9 KCl + 2 Co2O3 + 4 H2O
CoCl2 + Li = LiCl + Co =>
CoCl2 + 2 Li = 2 LiCl + Co
Sodiumhydrogencarbonate + nitricacid = sodiumnitrate + water + carbondioxide =>
NaHCO3 + HNO3 = NaNO3 + H2O + CO2
HMnO4 + HNO2 = Mn(NO)2 + H2O + HNO3 =>
2 HMnO4 + 13 HNO2 = 2 Mn(NO)2 + 3 H2O + 9 HNO3
Fe{+2} + Al = Fe + Al{+2}0{+3} =>
Fe{+2} + Al = Fe + Al{+2}0{+3}
Fe + Z = FeZ =>
Fe + Z = FeZ
Zn + Br = ZnBr2 =>
Zn + 2 Br = ZnBr2
PtS = Pt + S8 =>
8 PtS = 8 Pt + S8
Hg(NO3)2(aq) + KI(aq) = HgI2(s) + KNO3(aq) =>
Hg(NO3)2(aq) + 2 KI(aq) = HgI2(s) + 2 KNO3(aq)
NO2 + (NH2)2CO = NO + H2O + CO2 =>
5 NO2 + (NH2)2CO = 7 NO + 2 H2O + CO2
HNO3 + Sb = Sb(NO3) + H2 =>
2 HNO3 + 2 Sb = 2 Sb(NO3) + H2
C12H22O11Ca(OH)2 = CaOC12H22O11H2O =>
C12H22O11Ca(OH)2 = CaOC12H22O11H2O
Ca2Br2 + NaCO3 = CaCO3 + NaBr =>
Ca2Br2 + 2 NaCO3 = 2 CaCO3 + 2 NaBr
P + Ca = Ca3P2(s) =>
2 P + 3 Ca = Ca3P2(s)
H2I1 = H + I =>
H2I1 = 2 H + I
C2H6(g) + O2(g) = H20(l) + CO2(g) =>
10 C2H6(g) + 20 O2(g) = 3 H20(l) + 20 CO2(g)
NH4NO3 + KOH = H2O + NH3 + KNO3 =>
NH4NO3 + KOH = H2O + NH3 + KNO3
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
SnCl2 + Hg2(NO3)2 = Sn(NO3)2 + Hg2Cl2 =>
SnCl2 + Hg2(NO3)2 = Sn(NO3)2 + Hg2Cl2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
S + O2 + NaOH = Na2SO4 + H2O =>
2 S + 3 O2 + 4 NaOH = 2 Na2SO4 + 2 H2O
K2CO3(aq) + Ca(NO3)2 = KNO3 + CaCO3 =>
K2CO3(aq) + Ca(NO3)2 = 2 KNO3 + CaCO3
H{+} + Cr2O7{2-} + C2H5OH = Cr + C2H2O + H2O =>
2 H{+} + Cr2O7{2-} + 3 C2H5OH = 2 Cr + 3 C2H2O + 7 H2O
Ba(OH)2 + KOH = BaK2O2 + H2O =>
Ba(OH)2 + 2 KOH = BaK2O2 + 2 H2O
VOCl2 + Zn + HCl = VCl3 + ZnCl + H2O =>
VOCl2 + Zn + 2 HCl = VCl3 + ZnCl + H2O
Al + Fe3N3 = AlN + Fe =>
3 Al + Fe3N3 = 3 AlN + 3 Fe
Mg(CH3CO2)2 + KCl = KCH3CO2 + MgCl2 =>
Mg(CH3CO2)2 + 2 KCl = 2 KCH3CO2 + MgCl2
Fe + K3PO4 = Fe(PO4) + K =>
Fe + K3PO4 = Fe(PO4) + 3 K
HCOOH + Na2SO3 = HCOONa + SO2 + H2O =>
2 HCOOH + Na2SO3 = 2 HCOONa + SO2 + H2O
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