| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 N2 + 5 O2 + 2 H2O = 4 HNO3
Li + Cl = LiCl =>
Li + Cl = LiCl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C6H5COOH + CO32{-} = CO2 + C6H5COO{-} + H2O =>
89 C6H5COOH + 30 CO32{-} = 443 CO2 + 30 C6H5COO{-} + 192 H2O
Cl2O3 + H2O = HClO2 =>
Cl2O3 + H2O = 2 HClO2
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
Pt + NO3{-} + Cl{-} + H{+} = PtCl6{-2} + NO + H2O =>
3 Pt + 4 NO3{-} + 18 Cl{-} + 16 H{+} = 3 PtCl6{-2} + 4 NO + 8 H2O
S + O2 = SO2 =>
S + O2 = SO2
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C2H5OH + KMnO4 + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
C2H5OH + 4 KMnO4 + 4 NaOH = CH3COOH + 3 H2O + 2 K2MnO4 + 2 Na2MnO4
H2O2 + Cr2(SO4)3 + KOH = K2CrO4 + K2SO4 + H2O =>
3 H2O2 + Cr2(SO4)3 + 10 KOH = 2 K2CrO4 + 3 K2SO4 + 8 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Cr(s) + S8(s) = Cr2S3(s) =>
16 Cr(s) + 3 S8(s) = 8 Cr2S3(s)
C12H22C11 = C + H20 =>
10 C12H22C11 = 230 C + 11 H20
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
NaHCO3 = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3 = Na2CO3(s) + CO2(g) + H2O(g)
NaHCO3 = Na2CO3 + CO2(g) + H2O(g) =>
2 NaHCO3 = Na2CO3 + CO2(g) + H2O(g)
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
Na + X = NaX =>
Na + X = NaX
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Eu(s) + HF(g) = EuF3(s) + H2(g) =>
2 Eu(s) + 6 HF(g) = 2 EuF3(s) + 3 H2(g)
Cu2SFeS2 + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + N2O + H2O =>
8 Cu2SFeS2 + 58 HNO3 = 12 CuSO4 + 4 Cu(NO3)2 + 4 Fe2(SO4)3 + 25 N2O + 29 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CaSiO3(s) + HF(aq) = CaF2(aq) + SiF4(g) + H2O(g) =>
CaSiO3(s) + 6 HF(aq) = CaF2(aq) + SiF4(g) + 3 H2O(g)
Na + C + N = NaCN =>
Na + C + N = NaCN
KNO3 + C12H22O11 = H2O + K2CO3 + CO2 + N2 =>
48 KNO3 + 5 C12H22O11 = 55 H2O + 24 K2CO3 + 36 CO2 + 24 N2
HCl + KMnO4 + Fe = MnCl3 + KCl + H2O + FeCl3 =>
24 HCl + 3 KMnO4 + 4 Fe = 3 MnCl3 + 3 KCl + 12 H2O + 4 FeCl3
Cu2SFeS2 + HNO3 = CuSO4 + Cu(NO3)2 + Fe2(SO4)3 + N2O + H2O =>
8 Cu2SFeS2 + 58 HNO3 = 12 CuSO4 + 4 Cu(NO3)2 + 4 Fe2(SO4)3 + 25 N2O + 29 H2O
Sn(s) + HF(g) = SnF2(s) + H2(g) =>
Sn(s) + 2 HF(g) = SnF2(s) + H2(g)
PCl3 + NaOH = Na3PO3 + NaCl + H2O =>
PCl3 + 6 NaOH = Na3PO3 + 3 NaCl + 3 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Ca(NO3)2 + Na2S = CaS + NaNO3 =>
Ca(NO3)2 + Na2S = CaS + 2 NaNO3
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
CH8 + O2 = CO + H2O =>
2 CH8 + 5 O2 = 2 CO + 8 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2Cr2O7 + NaI + H2SO4 = Cr2(SO4)3 + I2 + Na2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 6 NaI + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 3 Na2SO4 + K2SO4 + 7 H2O
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
(Cr(N2H4CO)6)4(Cr(CN6)3) + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + HOH =>
10(Cr(N2H4CO)6)4(Cr(CN6)3) + 1032 KMnO4 + 1193 H2SO4 = 25 K2Cr2O7 + 1032 MnSO4 + 270 CO2 + 660 KNO3 + 161 K2SO4 + 1673 HOH
FeCl2 + PbO2 + H2SO4 = Cl2 + Fe2(SO4)3 + PbSO4 + H2O =>
2 FeCl2 + 3 PbO2 + 6 H2SO4 = 2 Cl2 + Fe2(SO4)3 + 3 PbSO4 + 6 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/06/15
Équations équilibrées sur09/05/14
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