| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 Cr(OH)3 + 7 IO{3}{-} + 16 OH{-} = 6 CrO4{2}{-} + 7 I{-} + 17 H2O
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
ZnO + Ca(OH)2 = ZnCaO2 + H2O =>
ZnO + Ca(OH)2 = ZnCaO2 + H2O
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
NO + H2O = NO3 + H =>
NO + 2 H2O = NO3 + 4 H
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Br + H2O = H2 + BrO =>
Br + H2O = H2 + BrO
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
H2S + O2 = SO2 + H2O(g) =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O(g)
Mg(C2H3O2)2 + Al(OH)3 = Al(C2H3O2)3 + Mg(OH)2 =>
3 Mg(C2H3O2)2 + 2 Al(OH)3 = 2 Al(C2H3O2)3 + 3 Mg(OH)2
Hydrogen + chlorine = hydrogenchloride =>
H2 + Cl2 = 2 HCl
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
KMnO4 + Zn + H2SO4 = KHSO4 + MnSO4 + ZnSO4 + H2O =>
2 KMnO4 + 5 Zn + 9 H2SO4 = 2 KHSO4 + 2 MnSO4 + 5 ZnSO4 + 8 H2O
H2(g) + N2(g) = NH3(g) =>
3 H2(g) + N2(g) = 2 NH3(g)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
NH4{+} + PO4{3-} = NH4 + PO4 =>
3 NH4{+} + PO4{3-} = 3 NH4 + PO4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2SO4 + ZnO2H2 = ZnSO4 + H2O =>
H2SO4 + ZnO2H2 = ZnSO4 + 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
MgCO3 + HCl = MgCl2 + CO2 + H2O =>
MgCO3 + 2 HCl = MgCl2 + CO2 + H2O
I2 + NaOH = NaI + NaIO3 + H2O =>
3 I2 + 6 NaOH = 5 NaI + NaIO3 + 3 H2O
HCOOH + HMnO4 = CO2 + Mn + H2O =>
7 HCOOH + 2 HMnO4 = 7 CO2 + 2 Mn + 8 H2O
BaCl2 + H2SO4 = HCl + BaSO4 =>
BaCl2 + H2SO4 = 2 HCl + BaSO4
In + F2 = In{+3} + F{-} =>
2 In + 3 F2 = 2 In{+3} + 6 F{-}
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NaCl + Pb(Ch3COO)2 = Ch3COONa + PbCl2 =>
2 NaCl + Pb(Ch3COO)2 = 2 Ch3COONa + PbCl2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
HIO3 + Sn(OH)4 = Sn(IO3)4 + H2O =>
4 HIO3 + Sn(OH)4 = Sn(IO3)4 + 4 H2O
NANO3(s) = NANO2(s) + O2(g) =>
2 NANO3(s) = 2 NANO2(s) + O2(g)
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
Cl2(g) + KBr(aq) = Br2(l) + KCl(aq) =>
Cl2(g) + 2 KBr(aq) = Br2(l) + 2 KCl(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
BaO + As2O5 = Ba3(AsO4)2 =>
3 BaO + As2O5 = Ba3(AsO4)2
SiCl4 + Mg = Si + MgCl2 =>
SiCl4 + 2 Mg = Si + 2 MgCl2
ZnO2H2 = ZnO2H2 =>
ZnO2H2 = ZnO2H2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
Cr2O7{2-} + H2S + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 3 H2S + 8 H{+} = 2 Cr{3+} + 3 S + 7 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
SO2 + Cu = Cu2S + O2 =>
SO2 + 2 Cu = Cu2S + O2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/24/16
Équations équilibrées sur04/23/15
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