| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 CuS + 3 Cu{2+} + 4 H2O = Cu9S5 + 7 H{+} + HSO4{-}
C5H9O2 + O2 = CO2 + H2O =>
4 C5H9O2 + 25 O2 = 20 CO2 + 18 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
As4 + O2 = As4O1 =>
2 As4 + O2 = 2 As4O1
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
CrCl3 + (NH4)2S = Cr2S3 + NH4Cl =>
2 CrCl3 + 3(NH4)2S = Cr2S3 + 6 NH4Cl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Ca(HCO3)2 + HCi = CaCi2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HCi = CaCi2 + 2 H2O + 2 CO2
Fe + SCN = FeSCN =>
Fe + SCN = FeSCN
Fe + SCN = Fe(SCN)3 =>
Fe + 3 SCN = Fe(SCN)3
Al + SnCl2 = Al2Cl3 + Sn =>
4 Al + 3 SnCl2 = 2 Al2Cl3 + 3 Sn
B2H6 + H2O = B(OH)3 + H2 =>
B2H6 + 6 H2O = 2 B(OH)3 + 6 H2
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cl2 + NaBr = Na2Cl + Br =>
Cl2 + 4 NaBr = 2 Na2Cl + 4 Br
Cr(s) + S8(s) = Cr2S3(s) =>
16 Cr(s) + 3 S8(s) = 8 Cr2S3(s)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ni(NO3)2 + KOH = Ni(OH)2 + KNO3 =>
Ni(NO3)2 + 2 KOH = Ni(OH)2 + 2 KNO3
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
Fe + SCN = FeSCN =>
Fe + SCN = FeSCN
KBrO2 + KI + HBr = KBr + I2 + H2O =>
KBrO2 + 4 KI + 4 HBr = 5 KBr + 2 I2 + 2 H2O
Cr2O3 + HNO3 = Cr(NO3)3 + H2O =>
Cr2O3 + 6 HNO3 = 2 Cr(NO3)3 + 3 H2O
KClO3 = KCl(s) + O2(g) =>
2 KClO3 = 2 KCl(s) + 3 O2(g)
Eu(s) + HF(g) = EuF3(s) + H2(g) =>
2 Eu(s) + 6 HF(g) = 2 EuF3(s) + 3 H2(g)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HCl + Mg = MgCl2 + H2 =>
2 HCl + Mg = MgCl2 + H2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
B2H6 + H2O = B(OH)3 + H2 =>
B2H6 + 6 H2O = 2 B(OH)3 + 6 H2
Cu(s) + AgNO3(aq) = Ag(s) + Cu(NO3)2(aq) =>
Cu(s) + 2 AgNO3(aq) = 2 Ag(s) + Cu(NO3)2(aq)
Cu(NO3)2 + Na2CO3 = CuCO3 + NaNO3 =>
Cu(NO3)2 + Na2CO3 = CuCO3 + 2 NaNO3
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + 10 CO + P4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
HNO3 = NO2 + O2 + H2O =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
(COOH)2 + KOH = K2C2O4 + H2O =>
(COOH)2 + 2 KOH = K2C2O4 + 2 H2O
As + Cl2 + H2O = H3AsO4 + HCl =>
2 As + 5 Cl2 + 8 H2O = 2 H3AsO4 + 10 HCl
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
KMnO4 + H2C2O4 = Mn + CO2 + H2O + K =>
KMnO4 + 4 H2C2O4 = Mn + 8 CO2 + 4 H2O + K
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
B2H6 + H2O = H3BO3 + H2 =>
B2H6 + 6 H2O = 2 H3BO3 + 6 H2
Cu(NO3)2 + H2O2 = CuO2 + HNO3 =>
Cu(NO3)2 + H2O2 = CuO2 + 2 HNO3
Cr2O7 + Al = AlCr2O7 =>
Cr2O7 + Al = AlCr2O7
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/21/12
Équations équilibrées sur03/22/11
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