Équations équilibrées la veille |
2 POCI3 = 2 PCI3 + O2
MnSO4 + NH4OH = Mn(OH)2 + (NH4)2(SO4) =>
MnSO4 + 2 NH4OH = Mn(OH)2 + (NH4)2(SO4)
HCl + FeBr3 = FeCl3 + HBr =>
3 HCl + FeBr3 = FeCl3 + 3 HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cs + HCl = CsCl + H2 =>
2 Cs + 2 HCl = 2 CsCl + H2
H2* + Cl2* = HCl =>
H2* + Cl2* = 2 HCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
PbCrO4 + NaOH = Na2[Pb(OH)4] + Na2CrO4 =>
PbCrO4 + 4 NaOH = Na2[Pb(OH)4] + Na2CrO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + HBr = MnBr + KBr + Br2 + H2O =>
KMnO4 + 8 HBr = MnBr + KBr + 3 Br2 + 4 H2O
HClCaC2 = HC2CaCl =>
HClCaC2 = HC2CaCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na(Al(OH)4) + HCl = NaCl + AlCl3 + H2O =>
Na(Al(OH)4) + 4 HCl = NaCl + AlCl3 + 4 H2O
P + FeO = PO + Fe =>
P + FeO = PO + Fe
Rb + N2 = RbN =>
2 Rb + N2 = 2 RbN
NlCl2 = Nl + Cl2 =>
NlCl2 = Nl + Cl2
Al + H2SO4 = Al(HSO4) + H2 =>
2 Al + 2 H2SO4 = 2 Al(HSO4) + H2
FeCl3 + NH4NO3 = NH4Cl + Fe(NO3)3 =>
FeCl3 + 3 NH4NO3 = 3 NH4Cl + Fe(NO3)3
H2* + Cl2* = HCl =>
H2* + Cl2* = 2 HCl
CdCO3 = CdO + CO2 =>
CdCO3 = CdO + CO2
SO2 + Br2 = SBr4 + O2 =>
SO2 + 2 Br2 = SBr4 + O2
KHC8H4O4 + Ca(OH) = Ca(KC8H4O4) + H2O =>
KHC8H4O4 + Ca(OH) = Ca(KC8H4O4) + H2O
Rb + N2 = RbN =>
2 Rb + N2 = 2 RbN
SO2 + Br2 = SBr4 + O2 =>
SO2 + 2 Br2 = SBr4 + O2
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
P + FeO = P4O10 + Fe =>
4 P + 10 FeO = P4O10 + 10 Fe
F2 + KI = KF + I2 =>
F2 + 2 KI = 2 KF + I2
Cu + FeSO4 = CuSO4 + Fe =>
Cu + FeSO4 = CuSO4 + Fe
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Cu2O + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu2O + 14 HNO3 = 6 Cu(NO3)2 + 2 NO + 7 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
PaI5 = Pa + I2 =>
2 PaI5 = 2 Pa + 5 I2
Hg2 = Hg =>
Hg2 = 2 Hg
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
CHCl = HCCl =>
CHCl = HCCl
HSO4{-} + H2O = H3O{+} + SO4{2-} =>
HSO4{-} + H2O = H3O{+} + SO4{2-}
H2* + Cl2* = HCl =>
H2* + Cl2* = 2 HCl
Zn + FeCl3 + H2O = ZnCl2 + Fe(OH)3 + H2 =>
3 Zn + 2 FeCl3 + 6 H2O = 3 ZnCl2 + 2 Fe(OH)3 + 3 H2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
NH4 + H2O = H3O + NH2 =>
NH4 + 2 H2O = 2 H3O + NH2
P + Ce = PCe5 =>
P + 5 Ce = PCe5
NaOH(aq) + NaNO2(a) + Al(s) + H2O(l) = NH2(aq) + NaAlO2(aq) =>
2 NaOH(aq) + 3 NaNO2(a) + 5 Al(s) + 2 H2O(l) = 3 NH2(aq) + 5 NaAlO2(aq)
MgAl2O3 + ZnO = ZnAl2O3 + MgO =>
MgAl2O3 + ZnO = ZnAl2O3 + MgO
MgCO3(aq) + H2SO4(aq) = MgSO4(aq) + H2O(l) + CO2(g) =>
MgCO3(aq) + H2SO4(aq) = MgSO4(aq) + H2O(l) + CO2(g)
BaO2 + HCl = H2O2 + BaCl2 =>
BaO2 + 2 HCl = H2O2 + BaCl2
CaBr2 + K3PO4 = Ca3(PO4)2 + KBr =>
3 CaBr2 + 2 K3PO4 = Ca3(PO4)2 + 6 KBr
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Fe(ii) + S8 = FeS =>
8 Fe(ii) + S8 = 8 FeS
HSnO2{-} + H2O = HSnO3{-} + H{+} + {-} =>
HSnO2{-} + H2O = HSnO3{-} + 2 H{+} + 2e
Mg + AgNO3 = Ag + Mg(NO3)2 =>
Mg + 2 AgNO3 = 2 Ag + Mg(NO3)2
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