| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Be2CO3(OH)2 + 6 CH3COOH = Be4O(CH3COO)6 + 5 H2O + 2 CO2
Li2S + Sn(ClO4)4 = LiClO4 + SnS2 =>
2 Li2S + Sn(ClO4)4 = 4 LiClO4 + SnS2
Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 NaNO3
P + NaOCl = P2O5 + NaCl =>
2 P + 5 NaOCl = P2O5 + 5 NaCl
PbS + H2O2 = H2O + PbSO4 =>
PbS + 4 H2O2 = 4 H2O + PbSO4
Cr3(PO4)5 + NaOH = Na3PO4 + Cr(OH)5 =>
Cr3(PO4)5 + 15 NaOH = 5 Na3PO4 + 3 Cr(OH)5
Sn + Br2 = Sn4Br =>
8 Sn + Br2 = 2 Sn4Br
P2O5 + H2O = PH2 + O2 =>
2 P2O5 + 4 H2O = 4 PH2 + 7 O2
Sn(OH)4(s) + H2SO4(aq) = SnSO4(aq) + O2H3(s) =>
Sn(OH)4(s) + H2SO4(aq) = SnSO4(aq) + 2 O2H3(s)
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Na2B4O7*10H2O(borax) + NaOH = NaBO2 + H2O =>
Na2B4O7*10H2O(borax) + 2 NaOH = 4 NaBO2 + 11 H2O
Mn3O + Al = Mn + Al2O3 =>
3 Mn3O + 2 Al = 9 Mn + Al2O3
H2S + NaMnO4 + HBr = S + NaBr + MnBr3 + H2O =>
2 H2S + NaMnO4 + 4 HBr = 2 S + NaBr + MnBr3 + 4 H2O
K2O + I2O7 = K2O7 + I2O =>
K2O + I2O7 = K2O7 + I2O
CO3{-2} + H{+} = CO2 + H2O =>
CO3{-2} + 2 H{+} = CO2 + H2O
Cu(OH)2 + K2S = CuS + KOH =>
Cu(OH)2 + K2S = CuS + 2 KOH
Pb + CH3COOH = PbCH3COO + H2 =>
2 Pb + 2 CH3COOH = 2 PbCH3COO + H2
C3H6 + HF = C2H5F =>
2 C3H6 + 3 HF = 3 C2H5F
H2SO4 + Na2CO3 = Na2SO4 + H2O + CO2(g) =>
H2SO4 + Na2CO3 = Na2SO4 + H2O + CO2(g)
FeCl3 + NaOH = Fe2O3 + NaCl + HCl =>
2 FeCl3 + 3 NaOH = Fe2O3 + 3 NaCl + 3 HCl
KMnO4 + FeCl2 + KOH = K2MnO4 + KCl + Fe(OH)3 =>
KMnO4 + FeCl2 + 3 KOH = K2MnO4 + 2 KCl + Fe(OH)3
AgNO3 + Na2S2O3 = Na3(Ag(S2O3)2) + NaNO3 =>
AgNO3 + 2 Na2S2O3 = Na3(Ag(S2O3)2) + NaNO3
NaC1 + H2O = HC1 + NaOH =>
NaC1 + H2O = HC1 + NaOH
LiOH + HBr = LiO + H2Br =>
LiOH + HBr = LiO + H2Br
Cr + Mn{2+} = Cr{3+} + Mn =>
2 Cr + 3 Mn{2+} = 2 Cr{3+} + 3 Mn
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
HCl + BaCl2 = H2 + BaCl4 =>
2 HCl + BaCl2 = H2 + BaCl4
Cu + NaBr = CuBr + Na =>
Cu + NaBr = CuBr + Na
FCl3 + NaOH = NaCl3 + FO + H =>
FCl3 + NaOH = NaCl3 + FO + H
(C2H5O)2P(O)MgBr + CH3MgBr = (CH3)2P(O)MgBr + MgBr(OC2H5) =>
(C2H5O)2P(O)MgBr + 2 CH3MgBr = (CH3)2P(O)MgBr + 2 MgBr(OC2H5)
CoO + H3BO3 = Co3(BO3)2 + H2O =>
3 CoO + 2 H3BO3 = Co3(BO3)2 + 3 H2O
FeO + C = CO + Fe =>
FeO + C = CO + Fe
Ag2S + H = Ag + HS =>
Ag2S + H = 2 Ag + HS
Na(Cr(OH)4) + PbO2 + NaOH = Na2CrO4 + Na(Pb(OH)3) + H2O =>
2 Na(Cr(OH)4) + 3 PbO2 + 5 NaOH = 2 Na2CrO4 + 3 Na(Pb(OH)3) + 2 H2O
NO3{-} + AsI3 + H{+} = NO + H3AsO4 + IO3{-} + H2O =>
20 NO3{-} + 3 AsI3 + 11 H{+} = 20 NO + 3 H3AsO4 + 9 IO3{-} + H2O
Fe + Zn = Fe2Zn3 =>
2 Fe + 3 Zn = Fe2Zn3
CH2(OH){-}C(CH3)(OH){-}CH2{-}CH3 + NaOH = CH2(ONa){-}C(CH3)(ONa){-}CH2{-}CH3 + H2O =>
CH2(OH){-}C(CH3)(OH){-}CH2{-}CH3 + NaOH = CH2(ONa){-}C(CH3)(ONa){-}CH2{-}CH3 + H2O
Pb(NO3)2 + AgOH = Pb(OH)2 + AgNO3 =>
Pb(NO3)2 + 2 AgOH = Pb(OH)2 + 2 AgNO3
ClCH2CO2H + NaOH = ClCH2CO2{-} + Na{+} + H2O =>
ClCH2CO2H + NaOH = ClCH2CO2{-} + Na{+} + H2O
C6H8O4K2 + KOH = K2CO3 + C4H10 =>
C6H8O4K2 + 2 KOH = 2 K2CO3 + C4H10
CO2 + Ba2SO4 = Ba + CO2SO4 =>
CO2 + Ba2SO4 = 2 Ba + CO2SO4
H6TeO6 + HCl = H2TeO3 + Cl2 + H2O =>
H6TeO6 + 2 HCl = H2TeO3 + Cl2 + 3 H2O
CaF2(s) + H2SO4(aq) = HF(g) + CaSO4(aq) =>
CaF2(s) + H2SO4(aq) = 2 HF(g) + CaSO4(aq)
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2(CO3)3(s) + (NH4)2SO4(aq) =>
Cr2(SO4)3(aq) + 3(NH4)2CO3(aq) = Cr2(CO3)3(s) + 3(NH4)2SO4(aq)
(CH3)4NCl + FeCl3 = (CH3)4NFeCl4 =>
(CH3)4NCl + FeCl3 = (CH3)4NFeCl4
Ca(s) + HCl(aq) = CaCl2 + H2(aq) =>
Ca(s) + 2 HCl(aq) = CaCl2 + H2(aq)
BaH2(s) + H2O(l) = Ba(OH)2(s) + H2(g) =>
BaH2(s) + 2 H2O(l) = Ba(OH)2(s) + 2 H2(g)
Cu(OH)2 + H2SiO3 = CuSiO3 + H2O =>
Cu(OH)2 + H2SiO3 = CuSiO3 + 2 H2O
H2S + Ca(OH)2 = Ca(H)2S2 + H2O =>
2 H2S + Ca(OH)2 = Ca(H)2S2 + 2 H2O
Zn(NO3)2(aq) + LiOH = Zn(OH)2 + LiNO3 =>
Zn(NO3)2(aq) + 2 LiOH = Zn(OH)2 + 2 LiNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/22/24
Équations équilibrées sur12/22/23
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