| Équations équilibrées la veille |
2 Cr(NO3)3 + 3 Li2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 6 LiNO3
C6H5NH3Cl = C6H5NH2 + HCl =>
C6H5NH3Cl = C6H5NH2 + HCl
J2 + K2SO3 + KOH = KJ + K2SO4 + H2O =>
J2 + K2SO3 + 2 KOH = 2 KJ + K2SO4 + H2O
Ni + YCl3 = YCl2 + NiCl2 =>
Ni + 2 YCl3 = 2 YCl2 + NiCl2
LiN3 + Li2Se + Li = Li9Se3N =>
LiN3 + 9 Li2Se + 8 Li = 3 Li9Se3N
(MgOH)2CO3 + HCl = MgCl2 + CO2 + H2O =>
(MgOH)2CO3 + 4 HCl = 2 MgCl2 + CO2 + 3 H2O
K(s) + H2SO4(aq) = K2SO4(s) + H2(g) =>
2 K(s) + H2SO4(aq) = K2SO4(s) + H2(g)
CH2 + O2 = CO2 + H2O =>
2 CH2 + 3 O2 = 2 CO2 + 2 H2O
CH3COO + AgNO3 = CH3NO3 + AgCOO =>
CH3COO + AgNO3 = CH3NO3 + AgCOO
C2H5OHNH3 = C2H5NH2H2O =>
C2H5OHNH3 = C2H5NH2H2O
CuSO4 + NH4OH = [Cu(NH3)2][SO4] + H2O =>
CuSO4 + 2 NH4OH = [Cu(NH3)2][SO4] + 2 H2O
NaNO3 + HCl = NaCl + H(NO3) =>
NaNO3 + HCl = NaCl + H(NO3)
HPO3 + BrO3 + H = Br + H2PO4 =>
3 HPO3 + BrO3 + 3 H = Br + 3 H2PO4
Fe{2+} + AgCl = Fe{3+} + Ag + Cl{-} =>
Fe{2+} + AgCl = Fe{3+} + Ag + Cl{-}
AgNO3 + H3Po4 = Ag3Po4 + HNO3 =>
3 AgNO3 + H3Po4 = Ag3Po4 + 3 HNO3
C6H5COOCH3 + H2O = C6H5COOH + CH3OH =>
C6H5COOCH3 + H2O = C6H5COOH + CH3OH
(Br)2 + (C)2(H)4 = (C)2(H)4(Br)4 =>
2(Br)2 + (C)2(H)4 = (C)2(H)4(Br)4
Cr2O7{2-} + C2H4O + H{+} = C2H4O2 + Cr{3+} + H2O =>
Cr2O7{2-} + 3 C2H4O + 8 H{+} = 3 C2H4O2 + 2 Cr{3+} + 4 H2O
K2S + KAl(SO4)2 + H2O = K2SO4 + Al(OH)3 + H2S =>
3 K2S + 2 KAl(SO4)2 + 6 H2O = 4 K2SO4 + 2 Al(OH)3 + 3 H2S
AgClO4 = AgCl + O2 =>
AgClO4 = AgCl + 2 O2
Na{+} + Cl{-} = NaCl =>
Na{+} + Cl{-} = NaCl
K2SO3 + Zn + HCl = H2S + KCl + ZnCl + H2O =>
K2SO3 + 6 Zn + 8 HCl = H2S + 2 KCl + 6 ZnCl + 3 H2O
KCrO4 + CaNO3 = KNO3 + CaCrO4 =>
KCrO4 + CaNO3 = KNO3 + CaCrO4
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
BaO4(s) + HNO3(aq) = Ba(NO3)2(aq) + H2O2(l) + O2(g) =>
BaO4(s) + 2 HNO3(aq) = Ba(NO3)2(aq) + H2O2(l) + O2(g)
Fe(NO3)3 + MgO = Fe2O3 + Mg(NO3)2 =>
2 Fe(NO3)3 + 3 MgO = Fe2O3 + 3 Mg(NO3)2
HI(aq) + LiOH(aq) = LiI(aq) + H2O =>
HI(aq) + LiOH(aq) = LiI(aq) + H2O
Cl4 + O2 = ClO2 =>
Cl4 + 4 O2 = 4 ClO2
CaCl2 + NaHCO3 = NaCl + CaCO3 + CO2 + H2O =>
CaCl2 + 2 NaHCO3 = 2 NaCl + CaCO3 + CO2 + H2O
CrI2 + KOH + Cl = K2CrO4 + KI + KCl + H2O =>
CrI2 + 8 KOH + 4 Cl = K2CrO4 + 2 KI + 4 KCl + 4 H2O
PH3 + K2CrO7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H3PO4 + H2O =>
9 PH3 + 8 K2CrO7 + 20 H2SO4 = 8 K2SO4 + 4 Cr2(SO4)3 + 9 H3PO4 + 20 H2O
CO2 + NaOH = Na2CO3 + (H2O) =>
CO2 + 2 NaOH = Na2CO3 + (H2O)
KHSO4 + NaOH = Na2SO4 + K2SO4 + H2O =>
2 KHSO4 + 2 NaOH = Na2SO4 + K2SO4 + 2 H2O
Cu(NO3)2 + Fe = Fe3NO3 + Cu =>
Cu(NO3)2 + 6 Fe = 2 Fe3NO3 + Cu
FeS2 + HNO3 = Fe(NO3)2 + NO + H2SO4 + H2O =>
3 FeS2 + 20 HNO3 = 3 Fe(NO3)2 + 14 NO + 6 H2SO4 + 4 H2O
H3PO2 + Ca(OH)2 = H2O + Ca(HPO2) =>
H3PO2 + Ca(OH)2 = 2 H2O + Ca(HPO2)
H2S + NaOCl + NaOH = Na2SO4 + NaCl + H2O =>
H2S + 4 NaOCl + 2 NaOH = Na2SO4 + 4 NaCl + 2 H2O
MnSO4 + H2S = MnS + S + H2O =>
MnSO4 + 4 H2S = MnS + 4 S + 4 H2O
Ni + CuSO4 = NiSO4 + Cu =>
Ni + CuSO4 = NiSO4 + Cu
BaO + CO3 = BaCO4 =>
BaO + CO3 = BaCO4
CN{-} + MnO4{-} + H2O = CNO{-} + MnO2 + OH{-} =>
3 CN{-} + 2 MnO4{-} + H2O = 3 CNO{-} + 2 MnO2 + 2 OH{-}
Na2S2O4 + K2Cr2O7 + H2SO4 = Na2S2O8 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Na2S2O4 + 4 K2Cr2O7 + 16 H2SO4 = 3 Na2S2O8 + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CdO2 = Cd + O2 =>
CdO2 = Cd + O2
CaCl2 + NaHCO3 = Ca(HCO3)2 + NaCl =>
CaCl2 + 2 NaHCO3 = Ca(HCO3)2 + 2 NaCl
Fe(NO3)3 + (NH4)3PO4 = Fe(PO4) + NH4NO3 =>
Fe(NO3)3 + (NH4)3PO4 = Fe(PO4) + 3 NH4NO3
HBr + Pb(NO3)2 = PbBr2 + H(NO3) =>
2 HBr + Pb(NO3)2 = PbBr2 + 2 H(NO3)
MnSO4 + Na2CrO4 + H2O = MnO2 + Cr2(SO4)3 + NaOH =>
3 MnSO4 + 2 Na2CrO4 + 2 H2O = 3 MnO2 + Cr2(SO4)3 + 4 NaOH
BeO + HCl = Be + H2O + Cl2 =>
BeO + 2 HCl = Be + H2O + Cl2
NaHSO4 + BaCO3 = Na2SO4 + BaSO4 + CO2 + H2O =>
2 NaHSO4 + BaCO3 = Na2SO4 + BaSO4 + CO2 + H2O
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
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