| Équations équilibrées la veille | Équations équilibrées le lendemain |
SbCl3 + H2S = SbCl3H2S
C2H4O + K2CrO7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
9 C2H4O + 2 K2CrO7 + 5 H2SO4 = 9 CH3COOH + 2 K2SO4 + Cr2(SO4)3 + 5 H2O
CH3CH2CH2Br + Na = CH3(CH2)4CH3 + NaBr =>
2 CH3CH2CH2Br + 2 Na = CH3(CH2)4CH3 + 2 NaBr
He2 = He =>
He2 = 2 He
CoCl3(aq) + NaOH(aq) = Co(OH)3 + NaCl =>
CoCl3(aq) + 3 NaOH(aq) = Co(OH)3 + 3 NaCl
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
FeS + AgNO3 = Fe(NO3)2 + Ag2S =>
FeS + 2 AgNO3 = Fe(NO3)2 + Ag2S
Eu2O3 + La = Eu + La2O3 =>
Eu2O3 + 2 La = 2 Eu + La2O3
Mg + Cl{-2} = MgCl{-2} =>
Mg + Cl{-2} = MgCl{-2}
NaOH + Al(NO3)3 = Al(OH)3 + NaNO3 =>
3 NaOH + Al(NO3)3 = Al(OH)3 + 3 NaNO3
Mg + Cl{-2} = MgCl{-2} =>
Mg + Cl{-2} = MgCl{-2}
NH4Cl + Cl = N + HCl =>
NH4Cl + 3 Cl = N + 4 HCl
NH4Cl + Cl = HCl + NCl3 =>
NH4Cl + 6 Cl = 4 HCl + NCl3
NaNO3 + AgCl + NH4OH = NH4Cl + AgNO3 + NaOH =>
NaNO3 + AgCl + NH4OH = NH4Cl + AgNO3 + NaOH
C2 + Cl = CCl4 =>
C2 + 8 Cl = 2 CCl4
KMnO4 + H2CCH2 + H2O = C2H4(OH)4 + KOH + MnO2 =>
4 KMnO4 + 3 H2CCH2 + 8 H2O = 3 C2H4(OH)4 + 4 KOH + 4 MnO2
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
MgSO4(aq) + Cu(OH)2(k) = Mg(OH)2(k) + CuSO4 =>
MgSO4(aq) + Cu(OH)2(k) = Mg(OH)2(k) + CuSO4
NHO3 + NH3 = NH3NO3 + H2O =>
9 NHO3 + 7 NH3 = 8 NH3NO3 + 3 H2O
H3PO4 + NaOH = PO43 + Na + H2O =>
H3PO4 + 81 NaOH = PO43 + 81 Na + 42 H2O
HCl + FeCl2 + Na2Cr2O7 = CrCl3 + FeCl3 + NaCl + H2O =>
14 HCl + 6 FeCl2 + Na2Cr2O7 = 2 CrCl3 + 6 FeCl3 + 2 NaCl + 7 H2O
(Cr(N2HCO)6)4(Cr(CN)6)3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
10(Cr(N2HCO)6)4(Cr(CN)6)3 + 1032 KMnO4 + 1183 H2SO4 = 35 K2Cr2O7 + 1032 MnSO4 + 420 CO2 + 660 KNO3 + 151 K2SO4 + 1303 H2O
Pb(s) + Zn(NO3)2(aq) = Pb(NO3)(aq) + Zn(s) =>
2 Pb(s) + Zn(NO3)2(aq) = 2 Pb(NO3)(aq) + Zn(s)
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NH4Cl + Cl = HCl + NCl =>
NH4Cl + 4 Cl = 4 HCl + NCl
MnO4{-} + SO3{-}2 + H{+} = Mn{2+} + SO42{-} + H2O =>
78 MnO4{-} + 5 SO3{-}2 + 234 H{+} = 78 Mn{2+} + 5 SO42{-} + 117 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH4OH =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH4OH
H3PO3 + HNO3 = H3PO4 + NO2 + H2O =>
H3PO3 + 2 HNO3 = H3PO4 + 2 NO2 + H2O
Zn + HCl = HZn + ClZn =>
2 Zn + HCl = HZn + ClZn
Cl + KBr = K + ClBr =>
Cl + KBr = K + ClBr
Ca(OH)2 + Al(NO3)3 = Ca(NO3)2 + Al(OH)3 =>
3 Ca(OH)2 + 2 Al(NO3)3 = 3 Ca(NO3)2 + 2 Al(OH)3
Li2SO4 + AgNO3 = Ag2SO4 + LiNO3 =>
Li2SO4 + 2 AgNO3 = Ag2SO4 + 2 LiNO3
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
(CH3)3COH = C4H8 + H2O =>
(CH3)3COH = C4H8 + H2O
(NH4)2(SO4) + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2(SO4) + BaCl2 = 2 NH4Cl + BaSO4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Na2CO3 + H2SO4 = Na(SO4) + CO3 + H2 =>
Na2CO3 + 2 H2SO4 = 2 Na(SO4) + CO3 + 2 H2
CH4 = C3H8 + H2 =>
3 CH4 = C3H8 + 2 H2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
[CrO4]{2-} + H2O + Cu = Cr(OH)3 + Cu(OH)2 + OH{-} =>
2[CrO4]{2-} + 8 H2O + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4 OH{-}
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
As2O3 = As3 + O2 =>
6 As2O3 = 4 As3 + 9 O2
K2CO3 + CH4N2O + H2O2 = KNO3 + CO2 + H2O =>
K2CO3 + CH4N2O + 8 H2O2 = 2 KNO3 + 2 CO2 + 10 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
KOH + H2S = H2O + K2S =>
2 KOH + H2S = 2 H2O + K2S
MnO4{-} + SO3{-}2 + H{+} = Mn{2+} + SO42{-} + H2O =>
78 MnO4{-} + 5 SO3{-}2 + 234 H{+} = 78 Mn{2+} + 5 SO42{-} + 117 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/03/24
Équations équilibrées sur12/03/23
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