Équations équilibrées la veille |
Cu(OH)2 + 2 KCN = Cu(CN)2 + 2 KOH
Zn + CaO = Ca + ZnO =>
Zn + CaO = Ca + ZnO
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Na3VO4 + Na2SO3 + HCl = VOCl2 + NaCl + Na2SO4 + H2O =>
2 Na3VO4 + Na2SO3 + 10 HCl = 2 VOCl2 + 6 NaCl + Na2SO4 + 5 H2O
CuSO4*5H2O + NaCl = CuCl2*5H2O + Na2SO4 =>
CuSO4*5H2O + 2 NaCl = CuCl2*5H2O + Na2SO4
HC2H8O3 + NaHCO3 = CO2 + NaC2H3O2 + H2O =>
8 HC2H8O3 + 11 NaHCO3 = 5 CO2 + 11 NaC2H3O2 + 25 H2O
KMnO4 + FeSO4 + H2O = KOH + Fe2(SO4)3 + Fe(OH)3 + MnO2 =>
KMnO4 + 3 FeSO4 + 2 H2O = KOH + Fe2(SO4)3 + Fe(OH)3 + MnO2
Bi2(Cr2O7)5 + Li3PO4 = Bi3(PO4)5 + Li2Cr2O7 =>
3 Bi2(Cr2O7)5 + 10 Li3PO4 = 2 Bi3(PO4)5 + 15 Li2Cr2O7
Ca(HCO3)2(aq) + NH4OH(aq) = Ca(OH)2(aq) + NH4(HCO3)(aq) =>
Ca(HCO3)2(aq) + 2 NH4OH(aq) = Ca(OH)2(aq) + 2 NH4(HCO3)(aq)
Mg(HCO3)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) + CO2(aq) =>
Mg(HCO3)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l) + 2 CO2(aq)
C6H4COOKCOOH + NaOH = C6H3NaCOOKCOOH + H2O =>
C6H4COOKCOOH + NaOH = C6H3NaCOOKCOOH + H2O
N2H4 + N2F4 = HF + N2 =>
N2H4 + N2F4 = 4 HF + 2 N2
HNO3(aq) + Na2S2O3(aq) = SO2(g) + S(s) + NaNO3(aq) + H2O(l) =>
2 HNO3(aq) + Na2S2O3(aq) = SO2(g) + S(s) + 2 NaNO3(aq) + H2O(l)
Ca3(AsO4)2 + Na2CO3 = Na3AsO4 + CaCO3 =>
Ca3(AsO4)2 + 3 Na2CO3 = 2 Na3AsO4 + 3 CaCO3
NH4Cl + AgNO3 = AgCl + NH3 + HNO3 =>
NH4Cl + AgNO3 = AgCl + NH3 + HNO3
Gd3TaO7 + Ta2O5 = GdTaO4 =>
Gd3TaO7 + Ta2O5 = 3 GdTaO4
FeN3O9 + Cl = FeCl3 + NO2 + O =>
FeN3O9 + 3 Cl = FeCl3 + 3 NO2 + 3 O
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3 =>
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3
HCOOH + NaH = NaCH3O2 =>
HCOOH + NaH = NaCH3O2
Fe(OH)3NaOH = Na[Fe(OH)4] =>
Fe(OH)3NaOH = Na[Fe(OH)4]
C51H104 + O2 = CO2 + H2O =>
C51H104 + 77 O2 = 51 CO2 + 52 H2O
Fe + HNO3 = Fe(NO3)3 + N + H2O =>
5 Fe + 18 HNO3 = 5 Fe(NO3)3 + 3 N + 9 H2O
NH4NO3 + HCl = NH4Cl + NO2 + H2O =>
7 NH4NO3 + 6 HCl = 6 NH4Cl + 8 NO2 + 5 H2O
KI + CI = KCI + I2 =>
2 KI + 2 CI = 2 KCI + I2
HNO3 + Cd = Cd(NO3)2 + NO + H2O =>
8 HNO3 + 3 Cd = 3 Cd(NO3)2 + 2 NO + 4 H2O
NaHCO3 + BaF2 = NaF + BaCO3 + CO2 + H2O =>
2 NaHCO3 + BaF2 = 2 NaF + BaCO3 + CO2 + H2O
MgCI + H = HCI + Mg2 =>
2 MgCI + 2 H = 2 HCI + Mg2
KClO + SnCl2 + HCl = SnCl4 + KCl + H2O =>
KClO + SnCl2 + 2 HCl = SnCl4 + KCl + H2O
CaO(s) + H2(g) = Ca(s) + H2O(g) =>
CaO(s) + H2(g) = Ca(s) + H2O(g)
H2O + O2(g) = H2O2 =>
2 H2O + O2(g) = 2 H2O2
CUCO3(s) = CUO(s) + CO2(g) =>
CUCO3(s) = CUO(s) + CO2(g)
Mn(OH)2 + NaOH = MnOH + Na(OH)2 =>
Mn(OH)2 + NaOH = MnOH + Na(OH)2
K2SO4 + Ca(OH)2 = K2(OH)2 + CaSO4 =>
K2SO4 + Ca(OH)2 = K2(OH)2 + CaSO4
CU + L2 = CUL =>
2 CU + L2 = 2 CUL
Au + H2SeO4 = Au2(SeO4)3 + H2Se + H2O =>
8 Au + 15 H2SeO4 = 4 Au2(SeO4)3 + 3 H2Se + 12 H2O
Fe(OH)3NaOH = NaFe(OH)4 =>
Fe(OH)3NaOH = NaFe(OH)4
BaMnO4 + CO2 = Ba(MnO4)2 + BaCO3 + MnO2 =>
3 BaMnO4 + 2 CO2 = Ba(MnO4)2 + 2 BaCO3 + MnO2
PbSO4 + KCl = PbCl2 + K2SO4 =>
PbSO4 + 2 KCl = PbCl2 + K2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cl2 + HI2 = I + HCl2 =>
Cl2 + HI2 = 2 I + HCl2
H2C6O6 + NaOH = H2O + Na2C6O6 =>
H2C6O6 + 2 NaOH = 2 H2O + Na2C6O6
FeSO4 + K3[(Fe(CN)6)] = KFe(Fe(CN)6) + K2SO4 =>
FeSO4 + K3[(Fe(CN)6)] = KFe(Fe(CN)6) + K2SO4
Ca(OH)2 + CaBr2 = Ca(OH)Br =>
Ca(OH)2 + CaBr2 = 2 Ca(OH)Br
HI + CI2 = HCI + I2 =>
HI + CI2 = HCI + I2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Pb(ClO4)2(aq) + NaI(aq) = PbI2(s) + NaClO4(aq) =>
Pb(ClO4)2(aq) + 2 NaI(aq) = PbI2(s) + 2 NaClO4(aq)
Mn(OH)2 + NaOH = MnOH + Na(OH)2 =>
Mn(OH)2 + NaOH = MnOH + Na(OH)2
CU + HCl = CUCl2 + H2 =>
CU + 2 HCl = CUCl2 + H2
KCl + H2O = K2O + HCl =>
2 KCl + H2O = K2O + 2 HCl
KCl(aq) + Br2(l) = KBr(aq) + Cl2(l) =>
2 KCl(aq) + Br2(l) = 2 KBr(aq) + Cl2(l)
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