| Équations équilibrées la veille |
SnO2 + 2 C = Sn + 2 CO
KNO3BaCl2 = KCl2Ba(NO3) =>
KNO3BaCl2 = KCl2Ba(NO3)
NaNO3 + H2O = NaOH + HNO3 =>
NaNO3 + H2O = NaOH + HNO3
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
CuO + NaOH + H2O = Na2[Cu(OH)4] =>
CuO + 2 NaOH + H2O = Na2[Cu(OH)4]
NH4 + MgO = NH3 + MgOH =>
NH4 + MgO = NH3 + MgOH
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
Cu2O + Cu2S = Cu + SO2 =>
2 Cu2O + Cu2S = 6 Cu + SO2
H3AsO3 + Zn + H{+} = AsH3 + Zn{2+} + H2O =>
H3AsO3 + 3 Zn + 6 H{+} = AsH3 + 3 Zn{2+} + 3 H2O
Pb + Na = Na4Pb9 =>
9 Pb + 4 Na = Na4Pb9
Pb(Na3)2 + KI = PbI2 + KNa3 =>
Pb(Na3)2 + 2 KI = PbI2 + 2 KNa3
H2O + Sn(OH)4{2-} + MnO4{-} = MnO2 + Sn(OH)6{2-} + OH{-} =>
4 H2O + 3 Sn(OH)4{2-} + 2 MnO4{-} = 2 MnO2 + 3 Sn(OH)6{2-} + 2 OH{-}
Mn(OH)2 + H2SO4 = MnO2 + SO2 + H2O =>
Mn(OH)2 + H2SO4 = MnO2 + SO2 + 2 H2O
P + H = PH3 =>
P + 3 H = PH3
Al2O3 + CsOH = CsAlO2 + H2O =>
Al2O3 + 2 CsOH = 2 CsAlO2 + H2O
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Mn{2+} + OH{-} + O2 = H2O + MnO2 =>
2 Mn{2+} + 4 OH{-} + O2 = 2 H2O + 2 MnO2
CsI + Br2 = CsBr + I2 =>
2 CsI + Br2 = 2 CsBr + I2
Na2(SO3) + KMnO4 + H2O = Na2(SO4) + MnO2 + KOH =>
3 Na2(SO3) + 2 KMnO4 + H2O = 3 Na2(SO4) + 2 MnO2 + 2 KOH
Mg(NH4)PO4(H2O) + HCl = H2O + O2 + MgCl2 + NH4 + H3PO4 =>
4 Mg(NH4)PO4(H2O) + 8 HCl = 2 H2O + O2 + 4 MgCl2 + 4 NH4 + 4 H3PO4
SNO2 + H2O = SNO3 + H =>
SNO2 + H2O = SNO3 + 2 H
Ag0 = Ag{+} + e =>
Ag0 = Ag{+} + e
Cs(s) + N2(g) = Cs3N(s) =>
6 Cs(s) + N2(g) = 2 Cs3N(s)
KMnO4 + NaHSO3 + NaOH = K2MnO4 + Na2MnO4 + NaSO4 + H2O =>
6 KMnO4 + 2 NaHSO3 + 6 NaOH = 3 K2MnO4 + 3 Na2MnO4 + 2 NaSO4 + 4 H2O
HCl + Be(OH)2 = H2O + BeCl2 =>
2 HCl + Be(OH)2 = 2 H2O + BeCl2
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
C2H6 + O2 = H3O + C =>
C2H6 + O2 = 2 H3O + 2 C
Zn + BrO4{-} + OH{-} + H2O = Zn(OH)4{-2} + Br{-} =>
4 Zn + BrO4{-} + 8 OH{-} + 4 H2O = 4 Zn(OH)4{-2} + Br{-}
Hg2I2 = Hg + I =>
Hg2I2 = 2 Hg + 2 I
Cs(s) + N2(g) = Cs3N(s) =>
6 Cs(s) + N2(g) = 2 Cs3N(s)
C + SO{2+} = CS{2+} + CO =>
2 C + SO{2+} = CS{2+} + CO
As2O = As2 + O5 =>
5 As2O = 5 As2 + O5
CH3CHClCH2CH3NaOH = NaOClCH3CH2CH2CH3 =>
CH3CHClCH2CH3NaOH = NaOClCH3CH2CH2CH3
(NH4)2S = NH3 + H2S =>
(NH4)2S = 2 NH3 + H2S
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
CuCl4 + H2O + NaCl = CuCl2 + HCl + NaClO3 =>
3 CuCl4 + 3 H2O + NaCl = 3 CuCl2 + 6 HCl + NaClO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH3 + H2SO4 = (NH4)2(SO4) =>
2 NH3 + H2SO4 = (NH4)2(SO4)
N2H4 + KBrO3 = N2 + H2O + KBr =>
3 N2H4 + 2 KBrO3 = 3 N2 + 6 H2O + 2 KBr
NaHCO3 + H2O = Na + H2CO3 + OH = CO2 + H2O + NaOH =>
NaHCO3 + H2O = Na + H2CO3 + OH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NH3 + H3PO4 = (NH4)2HPO4 =>
2 NH3 + H3PO4 = (NH4)2HPO4
P2O5 + KOH = P(OH)5 + K2O =>
P2O5 + 10 KOH = 2 P(OH)5 + 5 K2O
HCl + Be(OH)2 = H2O + BeCl2 =>
2 HCl + Be(OH)2 = 2 H2O + BeCl2
NaFeO2 + HNO3 = Fe(NO3)3 + NaNO3 + H2O =>
NaFeO2 + 4 HNO3 = Fe(NO3)3 + NaNO3 + 2 H2O
CH3COOH + MgCl2 = CH3COOMg + H2 + Cl2 =>
2 CH3COOH + 2 MgCl2 = 2 CH3COOMg + H2 + 2 Cl2
PbCrO4 + HNO3 = Pb(NO3)2 + H2CrO4 =>
PbCrO4 + 2 HNO3 = Pb(NO3)2 + H2CrO4
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
KNO3 + Zn + H2SO4 = (NH4)2SO4 + ZnSO4 + K2SO4 + H2O =>
2 KNO3 + 8 Zn + 10 H2SO4 = (NH4)2SO4 + 8 ZnSO4 + K2SO4 + 6 H2O
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Équations équilibrées sur11/11/24
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