| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 H2SO4 + 5 NaBr + NaBrO3 = 3 Na2SO4 + 3 H2O + 3 Br2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
Mg + Fe(NO3)2 = Mg(NO3) + Fe =>
2 Mg + Fe(NO3)2 = 2 Mg(NO3) + Fe
Cu + NO3{-} + H{+} = Cu{2+} + NO2 + H2O =>
Cu + 2 NO3{-} + 4 H{+} = Cu{2+} + 2 NO2 + 2 H2O
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
Ba + HCl = BaCl + H2 =>
2 Ba + 2 HCl = 2 BaCl + H2
HNO3 + BaO = Ba(NO3)2 + H2O =>
2 HNO3 + BaO = Ba(NO3)2 + H2O
CuFeS2 + O2 = Cu2S + FeO + SO2 =>
2 CuFeS2 + 4 O2 = Cu2S + 2 FeO + 3 SO2
As4O6(s) + Cl2(g) + H2O(l) = H3AsO4(aq) + HCl(aq) =>
As4O6(s) + 4 Cl2(g) + 10 H2O(l) = 4 H3AsO4(aq) + 8 HCl(aq)
NAOH + HCO3 = NACO3 + H2O =>
NAOH + HCO3 = NACO3 + H2O
NaCN + BCl = BCN + NaCl =>
NaCN + BCl = BCN + NaCl
C5H10 + O2 = H20 + CO2 =>
2 C5H10 + 10 O2 = H20 + 10 CO2
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C5H10 + O2 = H2O + CO2 =>
2 C5H10 + 15 O2 = 10 H2O + 10 CO2
FeS2 + O2 = FeO + SO2 =>
2 FeS2 + 5 O2 = 2 FeO + 4 SO2
P2O5 + C = P + CO =>
P2O5 + 5 C = 2 P + 5 CO
NH4OH + NaHSO3 = NH4HSO3 + NaOH =>
NH4OH + NaHSO3 = NH4HSO3 + NaOH
H20 + CO2 = C6H12O6 + O2 =>
3 H20 + 30 CO2 = 5 C6H12O6 + 15 O2
CuFeS2 + O2 = Cu2S + FeO + SO2 =>
2 CuFeS2 + 4 O2 = Cu2S + 2 FeO + 3 SO2
NiO + C = Ni + CO =>
NiO + C = Ni + CO
CH3COOH + CuO = Cu(CH3COO)2 + H2O =>
2 CH3COOH + CuO = Cu(CH3COO)2 + H2O
Zn + MnO4{-} + H2O = Zn{+2} + MnO2 + OH{-} =>
3 Zn + 2 MnO4{-} + 4 H2O = 3 Zn{+2} + 2 MnO2 + 8 OH{-}
HNO2 + Cr2O7{-2} + H{+} = Cr{+3} + NO3{-} + H2O =>
3 HNO2 + Cr2O7{-2} + 5 H{+} = 2 Cr{+3} + 3 NO3{-} + 4 H2O
CaCl2 + NaNO3 = CaNO3 + NaCl2 =>
CaCl2 + NaNO3 = CaNO3 + NaCl2
HNO2 + Cr2O7{2-} + H{+} = Cr{+3} + NO3{-} + H2O =>
3 HNO2 + Cr2O7{2-} + 5 H{+} = 2 Cr{+3} + 3 NO3{-} + 4 H2O
Al + NH4ClO4 = Al2O3 + AlCl3 + N2 + H2O =>
10 Al + 6 NH4ClO4 = 4 Al2O3 + 2 AlCl3 + 3 N2 + 12 H2O
HNO2 + Cr2O7{2-} + H{+} = Cr{3+} + NO3{-} + H2O =>
3 HNO2 + Cr2O7{2-} + 5 H{+} = 2 Cr{3+} + 3 NO3{-} + 4 H2O
Cr2O3 + C = Cr + CO =>
Cr2O3 + 3 C = 2 Cr + 3 CO
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MnO4{-} + SO3{-2} + H2O = MnO2 + SO4{-2} + OH{-} =>
2 MnO4{-} + 3 SO3{-2} + H2O = 2 MnO2 + 3 SO4{-2} + 2 OH{-}
NH4OH = H2O + NH3 =>
NH4OH = H2O + NH3
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
FeS + HCl = H2S + FeCl2 =>
FeS + 2 HCl = H2S + FeCl2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
CUSO4 + Zn = ZnSO4 + CU =>
CUSO4 + Zn = ZnSO4 + CU
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SnO2 + H2S = SnS2 + H2O =>
SnO2 + 2 H2S = SnS2 + 2 H2O
NAOH + CO2 = NACO3 + H2 =>
2 NAOH + 2 CO2 = 2 NACO3 + H2
I{-} + Cr2O7{-2} + H{+} = Cr{+3} + I2 + H2O =>
6 I{-} + Cr2O7{-2} + 14 H{+} = 2 Cr{+3} + 3 I2 + 7 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca(NO3)2(aq) + H2SO4(aq) = CaSO4(s) + HNO3(aq) =>
Ca(NO3)2(aq) + H2SO4(aq) = CaSO4(s) + 2 HNO3(aq)
C2H63O + K2CrO7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
18 C2H63O + 130 K2CrO7 + 325 H2SO4 = 36 HCOOH + 65 Cr2(SO4)3 + 130 K2SO4 + 856 H2O
ZnO + C = Zn + CO2 =>
2 ZnO + C = 2 Zn + CO2
Mn{2+} + PbO2 + H{+} = MnO4{-} + Pb{2+} + H2O =>
2 Mn{2+} + 5 PbO2 + 4 H{+} = 2 MnO4{-} + 5 Pb{2+} + 2 H2O
KS + H2SO4 = KSO4 + H2S =>
KS + H2SO4 = KSO4 + H2S
Hg + HNO3 + HCl = HgCl2 + NO + H2O =>
3 Hg + 2 HNO3 + 6 HCl = 3 HgCl2 + 2 NO + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/01/17
Équations équilibrées sur08/31/16
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