| Équations équilibrées la veille |
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CuCl2 + H3Po4 = Cu3(Po4)2 + HCl =>
3 CuCl2 + 2 H3Po4 = Cu3(Po4)2 + 6 HCl
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
HNO3{-2} + Na2CO3 = NaNO3{-2} + H2O + CO2 =>
2 HNO3{-2} + Na2CO3 = 2 NaNO3{-2} + H2O + CO2
Bi + O2 = Bi2O5 =>
4 Bi + 5 O2 = 2 Bi2O5
Na2B4O7*10H2O = Na2O + B2O3 + H2O =>
Na2B4O7*10H2O = Na2O + 2 B2O3 + 10 H2O
KNO3 = KNO2 + O =>
KNO3 = KNO2 + O
Cr2(SO4)3 + Na2S2O8 + H2O = Na2SO4 + H2SO4 + H2Cr2O7 =>
Cr2(SO4)3 + 3 Na2S2O8 + 7 H2O = 3 Na2SO4 + 6 H2SO4 + H2Cr2O7
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
KCl + Na3[Co(NO2)3] = K3[Co(NO2)3] + NaCl =>
3 KCl + Na3[Co(NO2)3] = K3[Co(NO2)3] + 3 NaCl
NH4Br + Pb(C2H3O2)2 = NH4(C2H3O2) + Br2Pb =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4(C2H3O2) + Br2Pb
(NH4)3PO4 + Zn(NO3)2 = NH4NO3 + Zn3(PO4)2 =>
2(NH4)3PO4 + 3 Zn(NO3)2 = 6 NH4NO3 + Zn3(PO4)2
Na2O + Mg3(PO4)2 = Na2(PO4)2 + Mg3O =>
Na2O + Mg3(PO4)2 = Na2(PO4)2 + Mg3O
C2H4O + Cr2O7{2-} + H{+} = C2H4O2 + H2O + Cr3{+} =>
17 C2H4O + 3 Cr2O7{2-} + 8 H{+} = 17 C2H4O2 + 4 H2O + 2 Cr3{+}
NH3 + OCl{-} = N2O + Cl{-} + H2O =>
2 NH3 + 4 OCl{-} = N2O + 4 Cl{-} + 3 H2O
Hg(NO3)2(aq) + KI(aq) = HgI2(s) + KNO3(aq) =>
Hg(NO3)2(aq) + 2 KI(aq) = HgI2(s) + 2 KNO3(aq)
C10H10Fe + C4H6O3 + H = C10H10C2OH3Fe + CH3COOH =>
C10H10Fe + C4H6O3 + H = C10H10C2OH3Fe + CH3COOH
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NaOH + H2O = Na(OH)2 + H2 =>
2 NaOH + 2 H2O = 2 Na(OH)2 + H2
CuSO4 + S = CuS + SO2 =>
CuSO4 + 2 S = CuS + 2 SO2
Mg(OH)2 + NaHCO3 = MgCO3 + Na2CO3 + H2O =>
Mg(OH)2 + 2 NaHCO3 = MgCO3 + Na2CO3 + 2 H2O
CuBr + F2 = CuF + Br2 =>
2 CuBr + F2 = 2 CuF + Br2
Br{-} = Br2 + {-} =>
2 Br{-} = Br2 + 2e
CuCl2 + HCl = CuCl4 + H =>
CuCl2 + 2 HCl = CuCl4 + 2 H
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Ba(ClO4)2 + K3PO4 = Ba3(PO4)2 + KClO4 =>
3 Ba(ClO4)2 + 2 K3PO4 = Ba3(PO4)2 + 6 KClO4
HSO4{-} + NaOH = NaSO4{-} + H2O =>
HSO4{-} + NaOH = NaSO4{-} + H2O
K2O + (NH3)3PO4 = K3PO4 + (NH3)2O =>
3 K2O + 2(NH3)3PO4 = 2 K3PO4 + 3(NH3)2O
C2H2F2 + O2 = CO2 + H2O + F2 =>
2 C2H2F2 + 5 O2 = 4 CO2 + 2 H2O + 2 F2
Fe{2+} + MnO4{-} + H{+] = Fe{3+}+Mn{2+}+H2O =>
5 Fe{2+} + MnO4{-} + 8 H{+] = 5 Fe{3+}+Mn{2+}+4H2O
Na2S2O3 + BaCl2 = NaCl + S + O + Ba =>
Na2S2O3 + BaCl2 = 2 NaCl + 2 S + 3 O + Ba
MgCl + Pb(NO3)2 = PbCl + Mg(NO3)2 =>
MgCl + Pb(NO3)2 = PbCl + Mg(NO3)2
Ga + S = Ga2S3 =>
2 Ga + 3 S = Ga2S3
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
Mg + B = MgB2 =>
Mg + 2 B = MgB2
H2SO4 + H2O + Ca5F(PO4)3 = CaSO4*H2O + HF + H3PO4 =>
5 H2SO4 + 5 H2O + Ca5F(PO4)3 = 5 CaSO4*H2O + HF + 3 H3PO4
CH3COOH + Ba(NO3)2 = COOH + Ba + CH3NO3 =>
2 CH3COOH + Ba(NO3)2 = 2 COOH + Ba + 2 CH3NO3
RbOH + H2O = RbOOH + H2 =>
RbOH + H2O = RbOOH + H2
Fe(OH)3 + H3PO4 = FePO4 + H2O =>
Fe(OH)3 + H3PO4 = FePO4 + 3 H2O
CuCl2 + O2 = CuO + Cl =>
2 CuCl2 + O2 = 2 CuO + 4 Cl
Cr + HNO3 = Cr(NO3)3 + N2O + H2O =>
8 Cr + 30 HNO3 = 8 Cr(NO3)3 + 3 N2O + 15 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn2SO4 + AlCl3 = ZnCl + Al2(SO4)3 =>
3 Zn2SO4 + 2 AlCl3 = 6 ZnCl + Al2(SO4)3
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
H + O2 = H2O =>
4 H + O2 = 2 H2O
Cu(CH3COO)2 + Na3PO4 = Cu3(PO4)2 + Na(CH3COO) =>
3 Cu(CH3COO)2 + 2 Na3PO4 = Cu3(PO4)2 + 6 Na(CH3COO)
NaHCO3 + MgSO4 = Na2SO4 + Mg(HCO3)2 =>
2 NaHCO3 + MgSO4 = Na2SO4 + Mg(HCO3)2
CaOCl2 + HCl = CaCl2 + Cl2 + H2O =>
CaOCl2 + 2 HCl = CaCl2 + Cl2 + H2O
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