| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Fe + AgC2H3O2 = Fe3C2O2 + AgH3
Hg + HBr = HgH + Br =>
Hg + HBr = HgH + Br
Na3PO4 + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
Na2CO3(aq) + SrCl2(aq) = NaCl(aq) + SrCO3(s) =>
Na2CO3(aq) + SrCl2(aq) = 2 NaCl(aq) + SrCO3(s)
HCl + HNO3 = H2O + ClO2 + NO2 =>
HCl + 5 HNO3 = 3 H2O + ClO2 + 5 NO2
CrO3 + NH3 = Cr2O3 + N2 + H2O2 =>
4 CrO3 + 2 NH3 = 2 Cr2O3 + N2 + 3 H2O2
CO2 + H = C6H12O6 + H2O =>
6 CO2 + 24 H = C6H12O6 + 6 H2O
K2Cr2O7 + VCl3 + HCl = CrCl3 + VCl4 + KCl + H2O =>
K2Cr2O7 + 6 VCl3 + 14 HCl = 2 CrCl3 + 6 VCl4 + 2 KCl + 7 H2O
ClN = Cl3 + N =>
3 ClN = Cl3 + 3 N
J2 + NaOH + H2SO4 = Na2SO4 + HJO3 + HJ =>
6 J2 + 6 NaOH + 3 H2SO4 = 3 Na2SO4 + 2 HJO3 + 10 HJ
NaOH + H2C2O4 = OHC2O4 + NaH2 =>
NaOH + H2C2O4 = OHC2O4 + NaH2
P2O5 + H2O + AgNO3 = Ag3PO4 + HNO3 =>
P2O5 + 3 H2O + 6 AgNO3 = 2 Ag3PO4 + 6 HNO3
KClO3 + NaBr + H2SO4 = Br2 + K2SO4 + Na2SO4 + NaClO + H2O =>
2 KClO3 + 8 NaBr + 4 H2SO4 = 4 Br2 + K2SO4 + 3 Na2SO4 + 2 NaClO + 4 H2O
Na2CO3(s) + H2O(l) = H2CO3(aq) + Na2O(aq) =>
Na2CO3(s) + H2O(l) = H2CO3(aq) + Na2O(aq)
HClO + Ca(OH)2 = H2O + Ca(ClO)2 =>
2 HClO + Ca(OH)2 = 2 H2O + Ca(ClO)2
PdCl2 + HNO3 = Pd(NO3)2*2HCl =>
PdCl2 + 2 HNO3 = Pd(NO3)2*2HCl
K2SO4 + Pb(NO3)2 = K(NO3)2 + Pb2(SO4) =>
K2SO4 + 2 Pb(NO3)2 = 2 K(NO3)2 + Pb2(SO4)
Al13Fe4 + O = Al2O3 + FeO =>
2 Al13Fe4 + 47 O = 13 Al2O3 + 8 FeO
Cu + HNO3 + H2SO4 = CuSO4 + H2O + NO =>
3 Cu + 2 HNO3 + 3 H2SO4 = 3 CuSO4 + 4 H2O + 2 NO
H3PO2 + H2O + CuSO4 = CuH + H3PO3 + H2SO4 =>
3 H3PO2 + 3 H2O + 2 CuSO4 = 2 CuH + 3 H3PO3 + 2 H2SO4
Fe(OH)2 + Pb(No3)2 = Fe(No3)2 + Pb(OH)2 =>
Fe(OH)2 + Pb(No3)2 = Fe(No3)2 + Pb(OH)2
H + CnO = H2O + Cn =>
2 H + CnO = H2O + Cn
NH4OH + Mn2(SO3)3 = Mn(OH)3 + (NH4)2SO3 =>
6 NH4OH + Mn2(SO3)3 = 2 Mn(OH)3 + 3(NH4)2SO3
ClO{-} = Cl{-} + ClO3{-} =>
3 ClO{-} = 2 Cl{-} + ClO3{-}
CH3CHO + Cr2O7{-2} + H{+} = CH3COOH + Cr{+3} + H2O =>
3 CH3CHO + Cr2O7{-2} + 8 H{+} = 3 CH3COOH + 2 Cr{+3} + 4 H2O
HSO4{-} + e + H{+} = S + H2O =>
HSO4{-} + 6e + 7 H{+} = S + 4 H2O
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
CuCl2 + H4SiO4 = HCl + Cu + SiO4 =>
2 CuCl2 + H4SiO4 = 4 HCl + 2 Cu + SiO4
HCl + Ba(OH)2 = H2O + Ba + Cl2 =>
2 HCl + Ba(OH)2 = 2 H2O + Ba + Cl2
CrHg3 + H2SO4 = CrSO4 + HgSO4 + H2 =>
CrHg3 + 4 H2SO4 = CrSO4 + 3 HgSO4 + 4 H2
C2H5OH + K2(Cr2O7) + H2SO4 = CH3CHO + K2(SO4) + Cr2(SO4)3 + H2O =>
3 C2H5OH + K2(Cr2O7) + 4 H2SO4 = 3 CH3CHO + K2(SO4) + Cr2(SO4)3 + 7 H2O
PH3 + KMnO4 + H2SO4 = KHSO4 + MnSO4 + P4 + H2O =>
20 PH3 + 12 KMnO4 + 24 H2SO4 = 12 KHSO4 + 12 MnSO4 + 5 P4 + 48 H2O
CuC2O4 + CaSO4 = CuSO4 + CaC2O4 =>
CuC2O4 + CaSO4 = CuSO4 + CaC2O4
C3H6O2 + H2O = CH3COOH + CH3OH =>
C3H6O2 + H2O = CH3COOH + CH3OH
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C3H8O3 + KOH = C3H5O3K3 + H2O =>
C3H8O3 + 3 KOH = C3H5O3K3 + 3 H2O
FeS2 + O2(g) = Fe2O3 + SO2(g) =>
4 FeS2 + 11 O2(g) = 2 Fe2O3 + 8 SO2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H5COOC3H7 + KOH = C2H5COOKC3H7OH =>
C2H5COOC3H7 + KOH = C2H5COOKC3H7OH
C20H22O3 + O2 = H2O + CO2 =>
C20H22O3 + 24 O2 = 11 H2O + 20 CO2
NH4(NO3)*5Ca(NO3)2*10H2O + Na2CO3 = H2O + NaNO3 + CaCO3 + (NH4)2CO3 =>
2 NH4(NO3)*5Ca(NO3)2*10H2O + 11 Na2CO3 = 20 H2O + 22 NaNO3 + 10 CaCO3 + (NH4)2CO3
HCIO3 + Ba(OH)2 = Ba(CIO3)2 + H2O =>
2 HCIO3 + Ba(OH)2 = Ba(CIO3)2 + 2 H2O
C6H7N + NaNO2 + HCl = C6H5N2Cl + H2O + NaCl =>
C6H7N + NaNO2 + 2 HCl = C6H5N2Cl + 2 H2O + NaCl
Zn(s) + FeCO3(aq) = Fe(s) + ZnCO3(aq) =>
Zn(s) + FeCO3(aq) = Fe(s) + ZnCO3(aq)
LiNO3 + Ag = AgNO3 + Li =>
LiNO3 + Ag = AgNO3 + Li
MeO + HCl = MeCl + OH =>
MeO + HCl = MeCl + OH
Ba(CH3COO)2 + H2SO4 = BaSO4 + HCH3COO =>
Ba(CH3COO)2 + H2SO4 = BaSO4 + 2 HCH3COO
CH3COOH + Sr(OH)2 = Sr(CH3COOH)2 + OH =>
2 CH3COOH + Sr(OH)2 = Sr(CH3COOH)2 + 2 OH
Li + HCl = LiCl + H2 =>
2 Li + 2 HCl = 2 LiCl + H2
C6H5Cl + Nh3 = C6H5Nh2 + Nh4Cl =>
C6H5Cl + 2 Nh3 = C6H5Nh2 + Nh4Cl
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