Équations équilibrées la veille |
HTcO4 + NaOH = NaTcO4 + H2O
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
AgBr + (NH4)2CO3 = [Ag(NH3)2]Br + H2CO3 =>
AgBr + (NH4)2CO3 = [Ag(NH3)2]Br + H2CO3
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Cu(NO3) + KI = CuI + NO3K =>
Cu(NO3) + KI = CuI + NO3K
K2SnO2 + KMnO4 + KOH = K2SnO3 + K2MnO4 + H2O =>
K2SnO2 + 2 KMnO4 + 2 KOH = K2SnO3 + 2 K2MnO4 + H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C5H8O4 = H2O + C5H6O3 =>
C5H8O4 = H2O + C5H6O3
Mn + HNO3 = Mn(NO3)2 + NO + H2O =>
3 Mn + 8 HNO3 = 3 Mn(NO3)2 + 2 NO + 4 H2O
N2H4 + Zn + KOH + H2O = NH3 + K2Zn(OH)4 =>
N2H4 + Zn + 2 KOH + 2 H2O = 2 NH3 + K2Zn(OH)4
Sr(OH)2 + H2O = SrO2H3 + OH =>
Sr(OH)2 + H2O = SrO2H3 + OH
Mn + HNO3 = Mn(NO3)2 + NO + H2O =>
3 Mn + 8 HNO3 = 3 Mn(NO3)2 + 2 NO + 4 H2O
Sr + CuCl2 = SrCl2 + Cu =>
Sr + CuCl2 = SrCl2 + Cu
Cd + NH4CN = Cd(CN)2 + NH4 =>
Cd + 2 NH4CN = Cd(CN)2 + 2 NH4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaNO3 + AgI + H2SO4 = AgNO3 + HI + Na2SO4 =>
2 NaNO3 + 2 AgI + H2SO4 = 2 AgNO3 + 2 HI + Na2SO4
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Zn + Mg(NO3)2 + Mg(OH)2 = MgZnO2 + NH3 + H2O =>
8 Zn + Mg(NO3)2 + 7 Mg(OH)2 = 8 MgZnO2 + 2 NH3 + 4 H2O
Fe(NO3)2 + NH3 = FeH3 + N(NO3)2 =>
Fe(NO3)2 + NH3 = FeH3 + N(NO3)2
K2CO3 + Cr(C2H3O2)3 = KC2H3O2 + Cr2(CO3)3 =>
3 K2CO3 + 2 Cr(C2H3O2)3 = 6 KC2H3O2 + Cr2(CO3)3
MgSO4 + Al2(SO4)3 = Mg(SO4)3 + Al2SO4 =>
MgSO4 + Al2(SO4)3 = Mg(SO4)3 + Al2SO4
C23H46 + O2 = CO2 + H2O =>
2 C23H46 + 69 O2 = 46 CO2 + 46 H2O
CaO + P4O10 = Ca3(PO4)2 =>
6 CaO + P4O10 = 2 Ca3(PO4)2
NH3 + CuO2 = Cu + NO + H2O =>
4 NH3 + 5 CuO2 = 5 Cu + 4 NO + 6 H2O
Al(s) + Br2(l) = Al2Br6(s) =>
2 Al(s) + 3 Br2(l) = Al2Br6(s)
Zn + (PO4)3 = Zn3(PO4)3 =>
3 Zn + (PO4)3 = Zn3(PO4)3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KMnO4 + HCl + H2 = MnCl + H2O + KCl =>
KMnO4 + 2 HCl + 3 H2 = MnCl + 4 H2O + KCl
H2S + HOCl = H2SO4 + HCl =>
H2S + 4 HOCl = H2SO4 + 4 HCl
NH3 + H2SO4 = NHO3 + S02 + H2O =>
3 NH3 + 4 H2SO4 = 3 NHO3 + 2 S02 + 7 H2O
(NH4)2S(aq) + CuCl2(aq) = (NH4)Cl + CuS =>
(NH4)2S(aq) + CuCl2(aq) = 2(NH4)Cl + CuS
H2SO4 + MnO2 + NaSO3 = H2O + MnSO4 + NaSO4 =>
H2SO4 + MnO2 + NaSO3 = H2O + MnSO4 + NaSO4
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO3 + MnSO4 + H2O =>
2 PhCH3 + 2 KMnO4 + 3 H2SO4 = 2 PhCOOH + K2SO3 + 2 MnSO4 + 5 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnOH2 + Br2 + KOH = MnO2 + KBr + H2O =>
MnOH2 + 2 Br2 + 4 KOH = MnO2 + 4 KBr + 3 H2O
Al2O3 = ****Al + ****O2 =>
2 Al2O3 = 4****Al + 3****O2
H2C3H2O4 + NaOH = C3H2O4 + Na + H2O =>
H2C3H2O4 + 2 NaOH = C3H2O4 + 2 Na + 2 H2O
Na + PO4 = Na3PO4 =>
3 Na + PO4 = Na3PO4
MgO2 = MgO + O2 =>
2 MgO2 = 2 MgO + O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CO + H2O = CO2 + H2 =>
CO + H2O = CO2 + H2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
K2SnO2 + KMnO4 + KOH = K2SnO3 + K2MnO4 + H2O =>
K2SnO2 + 2 KMnO4 + 2 KOH = K2SnO3 + 2 K2MnO4 + H2O
C6H5ONa + Br2 = C6H2OHBr3 + HBr + Na =>
2 C6H5ONa + 5 Br2 = 2 C6H2OHBr3 + 4 HBr + 2 Na
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
***H2O2 = *******H2O + *****O2 =>
2***H2O2 = 2*******H2O + *****O2
AgBr + (NH4)2CO3 = [Ag(NH3)2]Br + H2CO3 =>
AgBr + (NH4)2CO3 = [Ag(NH3)2]Br + H2CO3
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