| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
Al2O3(s) + H2So4(aq) = Al2(So4)3(aq) + H2O(l) =>
Al2O3(s) + 3 H2So4(aq) = Al2(So4)3(aq) + 3 H2O(l)
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
H2S + HNO3 = S + NO + H2O =>
3 H2S + 2 HNO3 = 3 S + 2 NO + 4 H2O
Fe + MgCl2 = Fe(Cl2)2 + Mg =>
Fe + 2 MgCl2 = Fe(Cl2)2 + 2 Mg
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Sr(NO3)2 + C2H4N4 = SrCO3 + N2 + H2O + CO2 =>
6 Sr(NO3)2 + 5 C2H4N4 = 6 SrCO3 + 16 N2 + 10 H2O + 4 CO2
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
HCl + NAOH = H2O + NACl =>
HCl + NAOH = H2O + NACl
Cr2O72{-} + H{+} + C2H5OH = Cr3{+} + CH3COH + H2O =>
6 Cr2O72{-} + 10 H{+} + 427 C2H5OH = 4 Cr3{+} + 427 CH3COH + 432 H2O
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
Sr(NO3)2 + C30H50O11 = SrCO3 + N2 + H2O + CO2 =>
74 Sr(NO3)2 + 5 C30H50O11 = 74 SrCO3 + 74 N2 + 125 H2O + 76 CO2
HCl + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH3 + H2CO3 = (NH4)2CO3 =>
2 NH3 + H2CO3 = (NH4)2CO3
Ca3(PO4)2(s) + H2SO4(aq) = CaSO4(s) + H3PO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 3 CaSO4(s) + 2 H3PO4(aq)
Cr2O7{2-} + H{+} + C2H5OH = Cr{3+} + CH3COH + H2O =>
Cr2O7{2-} + 8 H{+} + 3 C2H5OH = 2 Cr{3+} + 3 CH3COH + 7 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
NO2 = O2 + N =>
NO2 = O2 + N
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
MnO2 + Cl2 + NaOH = Na2MnO4 + NaCl + H2O =>
MnO2 + Cl2 + 4 NaOH = Na2MnO4 + 2 NaCl + 2 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
FeO = Fe + O2 =>
2 FeO = 2 Fe + O2
Au + H2So4 = Au(So4)3 + H2 =>
Au + 3 H2So4 = Au(So4)3 + 3 H2
KMNO4 + H2O + KI = MNO2 + KOH + KIO =>
2 KMNO4 + H2O + 3 KI = 2 MNO2 + 2 KOH + 3 KIO
H3PO4 + Ca(OH)2 = H2O + Ca3(PO4)2 =>
2 H3PO4 + 3 Ca(OH)2 = 6 H2O + Ca3(PO4)2
Al + HCl = AlCl2 + H2 =>
Al + 2 HCl = AlCl2 + H2
CuCl2 + NaNO3 = Cu(NO3)2 + NaCl =>
CuCl2 + 2 NaNO3 = Cu(NO3)2 + 2 NaCl
Cu(OH)2 + H2CO3 = CuCO3 + H2O =>
Cu(OH)2 + H2CO3 = CuCO3 + 2 H2O
Cr + O2 = Cr2O2 =>
2 Cr + O2 = Cr2O2
HBr + CrO3 = Br2 + CrBr3 + H2O =>
12 HBr + 2 CrO3 = 3 Br2 + 2 CrBr3 + 6 H2O
S + H2 = SH2 =>
S + H2 = SH2
AL + N = ALN =>
AL + N = ALN
M + O2 = MO =>
2 M + O2 = 2 MO
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
Ag(s) + FeSCN(ag) = Fe3(ag) + AgSCN(s) =>
3 Ag(s) + 3 FeSCN(ag) = Fe3(ag) + 3 AgSCN(s)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
ZnO + NaOH + H2O = Na2[Zn(OH)4] =>
ZnO + 2 NaOH + H2O = Na2[Zn(OH)4]
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Cr(OH)3 + ClO{-} = CrO4{2-} + Cl2 + H2O + OH{-} =>
2 Cr(OH)3 + 6 ClO{-} = 2 CrO4{2-} + 3 Cl2 + 2 H2O + 2 OH{-}
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
MnO2 + CO = Mn2O3 + CO2 =>
2 MnO2 + CO = Mn2O3 + CO2
AgNO3 + CaI2 = Ca(NO3)2 + AgI =>
2 AgNO3 + CaI2 = Ca(NO3)2 + 2 AgI
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/05/17
Équations équilibrées sur12/05/16
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