| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 As(s) + 3 H2(g) = 2 AsH3(g)
KCrO2 + Cl2 + KOH = K2CrO4 + H2O + KCl =>
2 KCrO2 + 3 Cl2 + 8 KOH = 2 K2CrO4 + 4 H2O + 6 KCl
ZnO + NO2 = Zn(NO3)2 + NO =>
ZnO + 3 NO2 = Zn(NO3)2 + NO
Na + H5O = Na5O2H + H2 =>
10 Na + 4 H5O = 2 Na5O2H + 9 H2
Mg + CuCl = MgCl2 + Cu =>
Mg + 2 CuCl = MgCl2 + 2 Cu
Zn(OH)2 + NaOH = Na2ZnO2 + H2O =>
Zn(OH)2 + 2 NaOH = Na2ZnO2 + 2 H2O
N = N2 =>
2 N = N2
NaCr(SO4)2 + KOH = KCr(SO4)2 + NaOH =>
NaCr(SO4)2 + KOH = KCr(SO4)2 + NaOH
H2SO4 + CO2 = H2O + COSO4 =>
H2SO4 + CO2 = H2O + COSO4
XCl6 + H2 + CH4 = XC + HCl =>
XCl6 + H2 + CH4 = XC + 6 HCl
Al2O3 + Na = Al + Na2O =>
Al2O3 + 6 Na = 2 Al + 3 Na2O
H2S + HNO3 = NO + H2SO4 + H2 =>
H2S + 2 HNO3 = 2 NO + H2SO4 + H2
Pb3NO2 + NaCl2 = PbCl2 + Na3NO2 =>
Pb3NO2 + 3 NaCl2 = 3 PbCl2 + Na3NO2
CH3CH2OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CHO + H2O =>
3 CH3CH2OH + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3CHO + 7 H2O
Pb(CH3COO)2 + CaCl2 = PbCl2 + Ca(CH3COO)2 =>
Pb(CH3COO)2 + CaCl2 = PbCl2 + Ca(CH3COO)2
O2 + Sb2S3 = Sb2O4 + SO2 =>
5 O2 + Sb2S3 = Sb2O4 + 3 SO2
Pb(NO3)2 + NaNO3{-} = Na(NO3)2 + PbNO3{-} =>
Pb(NO3)2 + NaNO3{-} = Na(NO3)2 + PbNO3{-}
CHCl3 + CH3OH = CH3CCl3 + H2O =>
CHCl3 + CH3OH = CH3CCl3 + H2O
C5H4N4O3 + O2 = CO2 + NH3 + N2O =>
6 C5H4N4O3 + 25 O2 = 30 CO2 + 8 NH3 + 8 N2O
AgNO3(aq) + CrCl2(aq) = AgCl(s) + Cr(NO3)2(aq) =>
2 AgNO3(aq) + CrCl2(aq) = 2 AgCl(s) + Cr(NO3)2(aq)
HNO3 + NaHCO3 = NaNO3 + H2OCO2 =>
HNO3 + NaHCO3 = NaNO3 + H2OCO2
C4H4NNbO9 + NH4VO3 + (NH4)2HPO4 + HNO3 = Nb67V33P100O500 + N2 + H2O + CO2 =>
335 C4H4NNbO9 + 165 NH4VO3 + 500(NH4)2HPO4 + 1168 HNO3 = 5 Nb67V33P100O500 + 1334 N2 + 3834 H2O + 1340 CO2
C3H8 + O2(g) = CO2(g) + H2O(i) =>
C3H8 + 5 O2(g) = 3 CO2(g) + 4 H2O(i)
Na2SO4 + Ba(NO3)2 = Na2(NO3)2 + BaSO4 =>
Na2SO4 + Ba(NO3)2 = Na2(NO3)2 + BaSO4
Fe2(SO4)3 + KSCN = Fe2(SCN)6 + K2(SO4) =>
Fe2(SO4)3 + 6 KSCN = Fe2(SCN)6 + 3 K2(SO4)
RuO4 + HI = H2RuO4 + I2 =>
RuO4 + 2 HI = H2RuO4 + I2
KMnO4 + C3H3(OH)3 = K2CO3 + Mn2O3 + CO2 + H2O =>
6 KMnO4 + 2 C3H3(OH)3 = 3 K2CO3 + 3 Mn2O3 + 3 CO2 + 6 H2O
CuHCO3 = Cu + HCO3 =>
CuHCO3 = Cu + HCO3
Sr(s) + Cl2(g) = SrCl(s) =>
2 Sr(s) + Cl2(g) = 2 SrCl(s)
H2SO4 + C6H8O7 = CO2 + H2O + SO2 =>
9 H2SO4 + C6H8O7 = 6 CO2 + 13 H2O + 9 SO2
Ca(CO2) + HCl = CO2 + Ca(HCl) =>
Ca(CO2) + HCl = CO2 + Ca(HCl)
Ti + HNO3 = TiO2 + NO2 + H2O =>
Ti + 4 HNO3 = TiO2 + 4 NO2 + 2 H2O
NH4Br(s) = Br + N + H =>
NH4Br(s) = Br + N + 4 H
KCO + NaCl = KCl + NaCO =>
KCO + NaCl = KCl + NaCO
C6H5N3O6 + O2 = CO2 + H2O + N2 =>
4 C6H5N3O6 + 17 O2 = 24 CO2 + 10 H2O + 6 N2
O2 + CaS = CaO + SO2 =>
3 O2 + 2 CaS = 2 CaO + 2 SO2
Ca(CH3COO)2(aq) + NaOH(aq) = Ca(OH)2(s) + NaCH3COO(aq) =>
Ca(CH3COO)2(aq) + 2 NaOH(aq) = Ca(OH)2(s) + 2 NaCH3COO(aq)
AlCl3(aq) + AgNo3(aq) = AgCl(s) + Al(No3)3 =>
AlCl3(aq) + 3 AgNo3(aq) = 3 AgCl(s) + Al(No3)3
SO2 + NaOH = Na + SO3 + H2O =>
SO2 + 2 NaOH = 2 Na + SO3 + H2O
KHP + NaOH = KP{-} + H2O + Na{+} =>
KHP + NaOH = KP{-} + H2O + Na{+}
CH2O + [Ag(NH3)2]OH = Ag + CHOOH + H2O + NH3 =>
CH2O + 2[Ag(NH3)2]OH = 2 Ag + CHOOH + H2O + 4 NH3
K2TeO3 + KClO3 = K2TeO4 + KCl =>
3 K2TeO3 + KClO3 = 3 K2TeO4 + KCl
C9H13N + H3PO4 = C9H16NO4P =>
C9H13N + H3PO4 = C9H16NO4P
K2S2O8 + H2C2O4 = KHSO4 + CO2 =>
K2S2O8 + H2C2O4 = 2 KHSO4 + 2 CO2
NH3 + Na = H2 + NaNH2 =>
2 NH3 + 2 Na = H2 + 2 NaNH2
Cl + H2 = Cl2H3 =>
4 Cl + 3 H2 = 2 Cl2H3
Nb2TaN2O2 = Ta2N + Nb2N + Ta2O5 + N2 =>
20 Nb2TaN2O2 = 2 Ta2N + 20 Nb2N + 8 Ta2O5 + 9 N2
C6H5CCl3 + KOH = KCl + C6H5COOH + H2O =>
C6H5CCl3 + 3 KOH = 3 KCl + C6H5COOH + H2O
Na(CH3COO) + Cu = Cu(CH3COO)2 + Na =>
2 Na(CH3COO) + Cu = Cu(CH3COO)2 + 2 Na
Zn(No3)2 + H2O = HNo3 + Zn(OH)2 =>
Zn(No3)2 + 2 H2O = 2 HNo3 + Zn(OH)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/23/24
Équations équilibrées sur12/23/23
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