| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2S + 3 O2 = 2 SO2 + 2 H2O
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
CH3NH2 + O2 = CO2 + N2 + H2O =>
4 CH3NH2 + 9 O2 = 4 CO2 + 2 N2 + 10 H2O
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
HCl + MnO2 = MnCl2 + Cl2 + H2O =>
4 HCl + MnO2 = MnCl2 + Cl2 + 2 H2O
C51H98O6 + NaOH = C3H8O3 + CH3(CH2)14CO2Na =>
C51H98O6 + 3 NaOH = C3H8O3 + 3 CH3(CH2)14CO2Na
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Fe(NO3)3 + KI = FeI3 + KNO3 =>
Fe(NO3)3 + 3 KI = FeI3 + 3 KNO3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Ca3(PO4)2(s) + H2SO4(aq) = Ca(H2PO4)2(aq) + CaSO4(s) =>
Ca3(PO4)2(s) + 2 H2SO4(aq) = Ca(H2PO4)2(aq) + 2 CaSO4(s)
Ca3(PO4)2 + H2SO4 = Ca(H2PO4)2 + CaSO4 =>
Ca3(PO4)2 + 2 H2SO4 = Ca(H2PO4)2 + 2 CaSO4
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
Mg + HCl = H2 + MgCl =>
2 Mg + 2 HCl = H2 + 2 MgCl
NaBH4(s) + H2SO4(aq) = B2H6(g) + H2(g) + Na2SO4(aq) =>
2 NaBH4(s) + H2SO4(aq) = B2H6(g) + 2 H2(g) + Na2SO4(aq)
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Ag2O(s) = Ag(s) + O2(g) =>
2 Ag2O(s) = 4 Ag(s) + O2(g)
WO3(s) + H2(g) = W(s) + H2O(l) =>
WO3(s) + 3 H2(g) = W(s) + 3 H2O(l)
Mg + HCl = MgCl + H =>
Mg + HCl = MgCl + H
CuSO4 + Zn = Cu + ZnSO4 =>
CuSO4 + Zn = Cu + ZnSO4
NaBr(aq) + HgO(aq) = Na2O(aq) + HgBr2(s) =>
2 NaBr(aq) + HgO(aq) = Na2O(aq) + HgBr2(s)
(NH4)2Cr2O7(s) = N2(g) + H2O(l) + Cr2O3(s) =>
(NH4)2Cr2O7(s) = N2(g) + 4 H2O(l) + Cr2O3(s)
P(s) + O2(g) = P2O5(s) =>
4 P(s) + 5 O2(g) = 2 P2O5(s)
SO2 + O2 + CaCO3 = CaSO4 + CO2 =>
2 SO2 + O2 + 2 CaCO3 = 2 CaSO4 + 2 CO2
HBr + Ba(OH)2 = Br2Ba + H2O =>
2 HBr + Ba(OH)2 = Br2Ba + 2 H2O
Al(OH)3(aq) + HBr(aq) = AlBr3(aq) + H2O(l) =>
Al(OH)3(aq) + 3 HBr(aq) = AlBr3(aq) + 3 H2O(l)
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2HPO4 + NaOH = Na3PO4 + H2O =>
Na2HPO4 + NaOH = Na3PO4 + H2O
Al4C3 + HCl = AlCl3 + CH4 =>
Al4C3 + 12 HCl = 4 AlCl3 + 3 CH4
Zn(s) + OH{-} + H2O = Zn(OH)42{-} + H2(g) =>
2 Zn(s) + 2 OH{-} + 82 H2O = 2 Zn(OH)42{-} + 41 H2(g)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H20 + O2 =>
10 K2Cr2O7 + 40 H2SO4 = 10 K2SO4 + 10 Cr2(SO4)3 + 4 H20 + 35 O2
Au(CN)2 + Zn(s) = Zn(CN)42 + Au(s) =>
21 Au(CN)2 + Zn(s) = Zn(CN)42 + 21 Au(s)
NaOH(aq) + CuSO4(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
2 NaOH(aq) + CuSO4(aq) = Cu(OH)2(s) + Na2SO4(aq)
KNO2 + O2 = KNO3 =>
2 KNO2 + O2 = 2 KNO3
CH3 + O2 = CO2 + H2O =>
4 CH3 + 7 O2 = 4 CO2 + 6 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
HClO3 + KOH = H2O + KClO3 =>
HClO3 + KOH = H2O + KClO3
(NH4)2CO3 = NH3 + CO2 + H2O =>
(NH4)2CO3 = 2 NH3 + CO2 + H2O
CS2 + Cl = CCl4 + SCl2 =>
CS2 + 8 Cl = CCl4 + 2 SCl2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur08/19/13
Équations équilibrées sur09/18/12
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