| Équations équilibrées la veille |
K2Cr2O7 + 3 C2H5OH + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 CH3CHO + 7 H2O
CH3COOH + CH3NH2 = C3H7NO + H2O =>
CH3COOH + CH3NH2 = C3H7NO + H2O
FeC + CuSO4 = FeCuSO3 + CO =>
FeC + CuSO4 = FeCuSO3 + CO
CH3COONa + KI = CH3COOK + NaI =>
CH3COONa + KI = CH3COOK + NaI
NaCO3 + CaCO3 = Na2Ca + (CO3)2 =>
4 NaCO3 + 2 CaCO3 = 2 Na2Ca + 3(CO3)2
PCl5 + C2H5OH = C2H5Cl + PCl4 + OH =>
PCl5 + C2H5OH = C2H5Cl + PCl4 + OH
SCN{-} + Br2 + H2O = SO4{2-} + CN{-} + Br{-} + H3O{+} =>
SCN{-} + 3 Br2 + 12 H2O = SO4{2-} + CN{-} + 6 Br{-} + 8 H3O{+}
CrO3 + HCe = CrCe3 + Ce2 + H2O =>
2 CrO3 + 12 HCe = 2 CrCe3 + 3 Ce2 + 6 H2O
Ni(s) + H2SO4(ac) = Ni2SO4(ac) + H2(g) =>
2 Ni(s) + H2SO4(ac) = Ni2SO4(ac) + H2(g)
H2SO4 + Ba(OH)2 = BaSO4 + H2O =>
H2SO4 + Ba(OH)2 = BaSO4 + 2 H2O
Ag(NH3)2OH + C6H10 = C6H9Ag + NH3 + H2O =>
Ag(NH3)2OH + C6H10 = C6H9Ag + 2 NH3 + H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Ru + NO3 = Ru(NO3)3 =>
Ru + 3 NO3 = Ru(NO3)3
Pb + Mg(CH3COO)2 = Pb(CH3COO)2 + Mg =>
Pb + Mg(CH3COO)2 = Pb(CH3COO)2 + Mg
Cr(OH)3 + HClO3 = Cr(ClO3)3 + H2O =>
Cr(OH)3 + 3 HClO3 = Cr(ClO3)3 + 3 H2O
S2O5{-2} + H2O = HSO3{-} =>
S2O5{-2} + H2O = 2 HSO3{-}
Pb + HCl = PbCl4 + H2 =>
Pb + 4 HCl = PbCl4 + 2 H2
Al(s) + Pb(C2H3O2)2(ac) = Al(C2H3O2)2(ac) + Pb(s) =>
Al(s) + Pb(C2H3O2)2(ac) = Al(C2H3O2)2(ac) + Pb(s)
CoF = Co + F =>
CoF = Co + F
BrK + Cl = KCl + Br =>
BrK + Cl = KCl + Br
C6H10O5 + C6H12O6 = C12H22 + O11 =>
C6H10O5 + C6H12O6 = C12H22 + O11
Bi2S3(s) + O2(g) = Bi(s) + SO2(g) =>
Bi2S3(s) + 3 O2(g) = 2 Bi(s) + 3 SO2(g)
K2O + H = K + H2O =>
K2O + 2 H = 2 K + H2O
(NH4)2SO4 + LiCI = NH4CI + Li2SO4 =>
(NH4)2SO4 + 2 LiCI = 2 NH4CI + Li2SO4
KMnO4 + H2SO4 + NO2 + H2O = MnSO4 + K2SO4 + HNO3 =>
2 KMnO4 + 3 H2SO4 + 10 NO2 + 2 H2O = 2 MnSO4 + K2SO4 + 10 HNO3
H2C8H4O4 + Ba(OH)2 = BaC8H4O4 + H2O =>
H2C8H4O4 + Ba(OH)2 = BaC8H4O4 + 2 H2O
PbO2 + Pb + H2SO4 = H2O + PbSO4 =>
PbO2 + Pb + 2 H2SO4 = 2 H2O + 2 PbSO4
BrK + Cl = KCl + Br =>
BrK + Cl = KCl + Br
CH3CO2C6H4COOH + H2O = H3O{+} + CH3CO2C6H4COO{-} =>
CH3CO2C6H4COOH + H2O = H3O{+} + CH3CO2C6H4COO{-}
CaCO3 + SO2 + O2 = CaSO4 + CO2 =>
2 CaCO3 + 2 SO2 + O2 = 2 CaSO4 + 2 CO2
FeSO4(aq) + K3[Fe(CN)6](aq) = KFe2(CN)6(s) + K2SO4(aq) =>
FeSO4(aq) + K3[Fe(CN)6](aq) = KFe2(CN)6(s) + K2SO4(aq)
NH3 + H2Cl2 = NH4Cl =>
2 NH3 + H2Cl2 = 2 NH4Cl
K(s) + Mn(s) + O2(g) = KMnO4 =>
K(s) + Mn(s) + 2 O2(g) = KMnO4
AgNO3(ac) + Na2S(ac) = Ag2S(s) + NaNO3(ac) =>
2 AgNO3(ac) + Na2S(ac) = Ag2S(s) + 2 NaNO3(ac)
Tl + O2 + H2O = TlOH =>
4 Tl + O2 + 2 H2O = 4 TlOH
Fe + FeSO4 = Fe(FeSO4) =>
Fe + FeSO4 = Fe(FeSO4)
HClO4 + CoO = Co(ClO4)2 + H2O =>
2 HClO4 + CoO = Co(ClO4)2 + H2O
KSCn + FeCl3 = [FeSCn]Cl2 + KCl =>
KSCn + FeCl3 = [FeSCn]Cl2 + KCl
KBrO3 + NaNO2 = KBr + NaNO3 =>
KBrO3 + 3 NaNO2 = KBr + 3 NaNO3
CH3NO2(l) + O2(g) = CO2(g) + H2O(l) + NO2(g) =>
4 CH3NO2(l) + 7 O2(g) = 4 CO2(g) + 6 H2O(l) + 4 NO2(g)
Cu + Na2S2O3 = Na + CuS2O3 =>
Cu + Na2S2O3 = 2 Na + CuS2O3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
(NH4)2SO4(ac) + NaCl(ac) = Na2SO4(ac) + NH4Cl(ac) =>
(NH4)2SO4(ac) + 2 NaCl(ac) = Na2SO4(ac) + 2 NH4Cl(ac)
Pb + Fe(SO4)2 = Pb(SO4) + Fe =>
2 Pb + Fe(SO4)2 = 2 Pb(SO4) + Fe
Ac + B = AcB4B17Ac =>
2 Ac + 21 B = AcB4B17Ac
C2H2 + NaOH = C2Na2 + H2O =>
C2H2 + 2 NaOH = C2Na2 + 2 H2O
Ca3(PO4)2(s) + H2SO4(aq) = H3PO4 + CaSO4(s) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 2 H3PO4 + 3 CaSO4(s)
CH3CH(OH)CH2CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3(CO)CH2CH3 + H2O =>
5 CH3CH(OH)CH2CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3(CO)CH2CH3 + 9 H2O
HAuCl2 + NaBH4 + H2O = Au + B(OH)3 + NaCl + HCl =>
8 HAuCl2 + NaBH4 + 3 H2O = 8 Au + B(OH)3 + NaCl + 15 HCl
C3H5(NO3)3(l) = CO2(g) + N2(g) + O2(g) + H2O(g) =>
4 C3H5(NO3)3(l) = 12 CO2(g) + 6 N2(g) + O2(g) + 10 H2O(g)
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