Équations équilibrées la veille |
2 S + 2 BaO = 2 BaS + O2
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
NeK = KNe =>
NeK = KNe
CO3 + Ca = CaCO3 =>
CO3 + Ca = CaCO3
AlCl3 + H2O = Al(OH)3 + HCl =>
AlCl3 + 3 H2O = Al(OH)3 + 3 HCl
Na2S + KI = NaI + K2S =>
Na2S + 2 KI = 2 NaI + K2S
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
2 PbCrO4 + 16 HCl + 6 FeSO4 = 2 PbCl2 + Cr2(SO4)3 + 4 FeCl3 + 8 H2O + Fe2(SO4)3
CaCO3(s) + C2H4O2(aq) = Ca(C2H3O2)2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 C2H4O2(aq) = Ca(C2H3O2)2(aq) + H2O(l) + CO2(g)
Mg + CO2 = CO + MgO =>
Mg + CO2 = CO + MgO
SCl2 + NaF = SF4 + S2Cl2 + NaCl =>
3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
C6H14 + Br2 = C6H13Br + C5H12Br2 =>
7 C6H14 + 7 Br2 = 2 C6H13Br + 6 C5H12Br2
Al(OH)3 + Ba(OH)2 = Ba(AlO2)2 + H2O =>
2 Al(OH)3 + Ba(OH)2 = Ba(AlO2)2 + 4 H2O
Na2S2O3 + Cl2 + H2O = Na + SO4 + HCl =>
Na2S2O3 + 5 Cl2 + 5 H2O = 2 Na + 2 SO4 + 10 HCl
CaOHZnO = CaOZnOH =>
CaOHZnO = CaOZnOH
Cu + Ag(NO3) = AgCu + Cu(NO3) =>
2 Cu + Ag(NO3) = AgCu + Cu(NO3)
HClO4NaOH = H2ONaClO4 =>
HClO4NaOH = H2ONaClO4
(NH4)3 + PO4 + CrBr3 = (NH4)Br + CrPO4 =>
(NH4)3 + PO4 + CrBr3 = 3(NH4)Br + CrPO4
N2H4 + ClO3 = NO + Cl + H2O =>
3 N2H4 + 4 ClO3 = 6 NO + 4 Cl + 6 H2O
H3PO4 + MgOH = H2O + Mg3 + PO4 =>
H3PO4 + 3 MgOH = 3 H2O + Mg3 + PO4
O + C4H6O = CO2 + H2O =>
10 O + C4H6O = 4 CO2 + 3 H2O
CH2O + (Ag(NH3)2)NO3 = CH2O2 + (Ag(NH3)2)NO2 =>
CH2O + (Ag(NH3)2)NO3 = CH2O2 + (Ag(NH3)2)NO2
AgNO3 + KSO4 = AgSO4 + KNO3 =>
AgNO3 + KSO4 = AgSO4 + KNO3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
C3H7OH + K2O + KNO3 = K2CO3 + KNO2 + H2O =>
C3H7OH + 3 K2O + 9 KNO3 = 3 K2CO3 + 9 KNO2 + 4 H2O
H3AsO4 + Sn(OH)4 = Sn3(AsO4)4 + H2O =>
4 H3AsO4 + 3 Sn(OH)4 = Sn3(AsO4)4 + 12 H2O
CuCl2 + K2O = CuO + KCl =>
CuCl2 + K2O = CuO + 2 KCl
Cu(OH)2 + Li3P = CuP + Li3(OH)2 =>
Cu(OH)2 + Li3P = CuP + Li3(OH)2
Al(OH)3 + H2SO4 = Al2(SO4)3 + HOH =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 HOH
Fe2(s)O3(g) + CO = Fe(s) + CO2 =>
Fe2(s)O3(g) + 3 CO = 2 Fe(s) + 3 CO2
NaHSO3 + O2 = NaHSO4 =>
2 NaHSO3 + O2 = 2 NaHSO4
CH3SO3H + H2O = H2SO4 + CO2 + H2 =>
CH3SO3H + 3 H2O = H2SO4 + CO2 + 4 H2
(Ba(OH)2) + HCl = H2O + BaOHCl =>
(Ba(OH)2) + HCl = H2O + BaOHCl
OC6H12O6 + O2 = CO2 + H2O =>
2 OC6H12O6 + 11 O2 = 12 CO2 + 12 H2O
Ca(NO3)2 + H = Ca + H2O + NO =>
Ca(NO3)2 + 8 H = Ca + 4 H2O + 2 NO
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
HI + Br2 + H2O = HIO + HBr =>
HI + Br2 + H2O = HIO + 2 HBr
K + Cr = KCr3 =>
K + 3 Cr = KCr3
Pb(NO3)2 + (NH4)2S = PbS + NH4NO3 =>
Pb(NO3)2 + (NH4)2S = PbS + 2 NH4NO3
CuS + HNO3 = Cu(NO3)2 + H2SO4 + N2 + H2O =>
5 CuS + 18 HNO3 = 5 Cu(NO3)2 + 5 H2SO4 + 4 N2 + 4 H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Ag + HCI = AgHC + I =>
Ag + HCI = AgHC + I
NaBrO3 + Ba(NO3)2 = BaBrO3 + Na(NO3)2 =>
NaBrO3 + Ba(NO3)2 = BaBrO3 + Na(NO3)2
CuClO3 = O2 + CuClO =>
CuClO3 = O2 + CuClO
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Ni + Pb(C2H3O2)2 = Pb + Ni(C2H3O2) =>
2 Ni + Pb(C2H3O2)2 = Pb + 2 Ni(C2H3O2)
CuCl2(s) + Na2SO4(aq) = CuSO4 + NaCl(aq) =>
CuCl2(s) + Na2SO4(aq) = CuSO4 + 2 NaCl(aq)
H2CO3 + NH3 = (NH2)2CO + H2O =>
H2CO3 + 2 NH3 = (NH2)2CO + 2 H2O
FeCl3 + LSCN = LCl + Fe(SCN)3 =>
FeCl3 + 3 LSCN = 3 LCl + Fe(SCN)3
(NH4)2SO4 = H2SO4 + NH3 =>
(NH4)2SO4 = H2SO4 + 2 NH3
Mg + CO2 + O2 = MgCO3 =>
2 Mg + 2 CO2 + O2 = 2 MgCO3
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