| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 2 NaOH = Na2CrO4 + K2CrO4 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH5 + O2 = CO2 + H2O =>
4 CH5 + 9 O2 = 4 CO2 + 10 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cu + H{+} + NO3{-} = Cu{2+} + NO2 + H2O =>
Cu + 4 H{+} + 2 NO3{-} = Cu{2+} + 2 NO2 + 2 H2O
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
CaO(s) + CO2(g) = CaCO3(s) =>
CaO(s) + CO2(g) = CaCO3(s)
Fe2(SO4)3 + BaCl2 = FeCl3 + BaSO4 =>
Fe2(SO4)3 + 3 BaCl2 = 2 FeCl3 + 3 BaSO4
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + S = H2S =>
H2 + S = H2S
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
H2CO3 + Cu(OH)2 = H2O + CuCO3 =>
H2CO3 + Cu(OH)2 = 2 H2O + CuCO3
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe + I2 = FeI2 =>
Fe + I2 = FeI2
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
SrCl2 + Na2CO3 = SrCO3 + NaCl =>
SrCl2 + Na2CO3 = SrCO3 + 2 NaCl
K2S + Cl2 = S + KCl =>
K2S + Cl2 = S + 2 KCl
C2H6O + O2 = CO2 + H20 =>
10 C2H6O + 15 O2 = 20 CO2 + 3 H20
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CaO(s) + CO2(g) = CaCO3(s) =>
CaO(s) + CO2(g) = CaCO3(s)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
SrCl2 + Na2SO4 = SrSO4 + NaCl =>
SrCl2 + Na2SO4 = SrSO4 + 2 NaCl
O{2-} + F2 = O2 + F{-} =>
2 O{2-} + 2 F2 = O2 + 4 F{-}
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
ZnO + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Mg(OH)2 + CH3COOH = Mg(CH3COO)2 + H2O =>
Mg(OH)2 + 2 CH3COOH = Mg(CH3COO)2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
HBrO3 + LiOH = H2O + LiBrO3 =>
HBrO3 + LiOH = H2O + LiBrO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/25/20
Équations équilibrées sur09/24/19
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