| Équations équilibrées la veille |
4 Ag + Cu(SO4)2 = 2 Ag2SO4 + Cu
Ag0 + HNO3 = AgNO3 + NO2 + H2O =>
Ag0 + 2 HNO3 = AgNO3 + NO2 + H2O
C2H5OH(i) + O2 = CO2 + H2O =>
C2H5OH(i) + 3 O2 = 2 CO2 + 3 H2O
NaHCO3 + H4P2O7 = NaH3P2O7 + CO2 + H2O =>
NaHCO3 + H4P2O7 = NaH3P2O7 + CO2 + H2O
Ca3(PO4)2(s) + H2SO4(ac) = CaSO4 + H3PO4 =>
Ca3(PO4)2(s) + 3 H2SO4(ac) = 3 CaSO4 + 2 H3PO4
Al2O3 + K2O = K3AlO3 =>
Al2O3 + 3 K2O = 2 K3AlO3
HNO3 + CaCO3 = H2CO3 + Ca(NO3)2 =>
2 HNO3 + CaCO3 = H2CO3 + Ca(NO3)2
NaH(CO3) + HCl = NaCl + H2(CO3) =>
NaH(CO3) + HCl = NaCl + H2(CO3)
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Mg + PO = MgPO =>
Mg + PO = MgPO
C10H16N2O8 + CaCO3 = Ca + C11H16N2O11 =>
C10H16N2O8 + CaCO3 = Ca + C11H16N2O11
Sn2O3 = Sn + SnO2 =>
2 Sn2O3 = Sn + 3 SnO2
HNO3 + H2S = NO2 + H2O + S =>
2 HNO3 + H2S = 2 NO2 + 2 H2O + S
Fe{2+} + H{+} + O2 = Fe{3+} + H2O =>
4 Fe{2+} + 4 H{+} + O2 = 4 Fe{3+} + 2 H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Zn3(PO4)2 = P2O5 + ZnO =>
Zn3(PO4)2 = P2O5 + 3 ZnO
FeSO4 + Cl = Fe2(SO4)3 + FeCl3 =>
3 FeSO4 + 3 Cl = Fe2(SO4)3 + FeCl3
CH3CH2CN + Cr2O7{-} + H{+} = CO2 + NH3 + Cr{3+} + H2O =>
CH3CH2CN + 2 Cr2O7{-} + 14 H{+} = 3 CO2 + NH3 + 4 Cr{3+} + 8 H2O
CuSO4(ac) + NaOH = Cu(OH)2(s) + Na2SO4(ac) =>
CuSO4(ac) + 2 NaOH = Cu(OH)2(s) + Na2SO4(ac)
Sn{2+} + Hg2Cl2 + Cl{-} = Hg + [SnCl6]{2-} =>
Sn{2+} + Hg2Cl2 + 4 Cl{-} = 2 Hg + [SnCl6]{2-}
HF + H2O = F{-} + H3O{+} =>
HF + H2O = F{-} + H3O{+}
CuSO4(ac) + NaOH = Cu(OH)2(s) + Na2SO4(ac) =>
CuSO4(ac) + 2 NaOH = Cu(OH)2(s) + Na2SO4(ac)
CHCH + Na = HCCNa + H2 =>
2 CHCH + 2 Na = 2 HCCNa + H2
HSO4 + KOH = KSO4 + H2O =>
HSO4 + KOH = KSO4 + H2O
Sb2S5 + Cl2 = SbCl3 + S =>
Sb2S5 + 3 Cl2 = 2 SbCl3 + 5 S
CH3SO3H + NaOH = CH3SO3Na + H2O =>
CH3SO3H + NaOH = CH3SO3Na + H2O
Ba + Br2 = BaBr2 =>
Ba + Br2 = BaBr2
Na + ZnF2 = NaF + Zn =>
2 Na + ZnF2 = 2 NaF + Zn
C7H6O + C4H6O3 = C9H8O2 + C2H4O2 =>
C7H6O + C4H6O3 = C9H8O2 + C2H4O2
Ca3(PO4)2 + Ca3P2 = CaO + P4 =>
3 Ca3(PO4)2 + 5 Ca3P2 = 24 CaO + 4 P4
Hg + HI = HgI + H2 =>
2 Hg + 2 HI = 2 HgI + H2
HMnO4 + Pb(OH)4 = Pb(MnO4)4 + H2O =>
4 HMnO4 + Pb(OH)4 = Pb(MnO4)4 + 4 H2O
NH2{-} + H2O = NH{2-} + H3O{+} =>
NH2{-} + H2O = NH{2-} + H3O{+}
Al + Cr + O2 = Al2(Cr2O7)3 =>
4 Al + 12 Cr + 21 O2 = 2 Al2(Cr2O7)3
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
C2H5NO + H2SO4 = C2SO4 + H5NOH2 =>
C2H5NO + H2SO4 = C2SO4 + H5NOH2
Fe + S4 = Fe2S3 =>
8 Fe + 3 S4 = 4 Fe2S3
Ba(CH3COO)2 + Fe2(SO4)3 = BaSO4 + Fe(CH3COO)3 =>
3 Ba(CH3COO)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(CH3COO)3
Zn + K2Cr2O7 + KOH = KCrO2 + K2ZnO2 + H2O =>
3 Zn + K2Cr2O7 + 6 KOH = 2 KCrO2 + 3 K2ZnO2 + 3 H2O
Hg(NO3)2 = Hg + NO2 + O2 =>
Hg(NO3)2 = Hg + 2 NO2 + O2
SrO(aq) + HCl(aq) = SrCl2(aq) + H2O(l) =>
SrO(aq) + 2 HCl(aq) = SrCl2(aq) + H2O(l)
Ca3(PO4)2 + (NH4)2HPO4 = CaHPO4 + NH3 =>
Ca3(PO4)2 + (NH4)2HPO4 = 3 CaHPO4 + 2 NH3
FeI2 + H2O = FeO + HI =>
FeI2 + H2O = FeO + 2 HI
Fe2O3(s) + Zn = ZnO(s) + Fe(s) =>
Fe2O3(s) + 3 Zn = 3 ZnO(s) + 2 Fe(s)
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
Br2 + H2O = HBr + O2 =>
2 Br2 + 2 H2O = 4 HBr + O2
P + H2O2 + NaOH = Na3PO4 + H2O =>
2 P + 5 H2O2 + 6 NaOH = 2 Na3PO4 + 8 H2O
Hg(NO3)2 = HgO + NO2 + O2 =>
2 Hg(NO3)2 = 2 HgO + 4 NO2 + O2
Li2Cr2O7 + HF = LiF + CrF3 + H2O + F2 =>
Li2Cr2O7 + 14 HF = 2 LiF + 2 CrF3 + 7 H2O + 3 F2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
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