| Équations équilibrées la veille |
Pb4 + 2 Pb2O4 + 8 H2SO4 = 8 PbSO4 + 8 H2O
NaH2(CO3)2 = (NaCO3)2 + CO2 + H2O =>
2 NaH2(CO3)2 = (NaCO3)2 + 2 CO2 + 2 H2O
Na2S2O3 + H = H2O + Na2S + SO2 =>
Na2S2O3 + 2 H = H2O + Na2S + SO2
PCl + NaOH = NaCl + POH =>
PCl + NaOH = NaCl + POH
PBCl + NH4CO3 = PBCO3 + NH4Cl =>
PBCl + NH4CO3 = PBCO3 + NH4Cl
H + P + O = H3(PO)4 =>
3 H + 4 P + 4 O = H3(PO)4
HCl + FeO3H3 = H2O + FeCl3 =>
3 HCl + FeO3H3 = 3 H2O + FeCl3
P + H2 + Br = PH2Br =>
P + H2 + Br = PH2Br
K2CO3 + H2CrO4 = K2CrO4 + H2CO3 =>
K2CO3 + H2CrO4 = K2CrO4 + H2CO3
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
KBr(aq) + H2SO4(aq) + KOBr = KHSO4 + Br2 + H2O =>
KBr(aq) + 2 H2SO4(aq) + KOBr = 2 KHSO4 + Br2 + H2O
Na3PO4 + Sn(NO3)4 = Sn3(PO4)4 + NaNO3 =>
4 Na3PO4 + 3 Sn(NO3)4 = Sn3(PO4)4 + 12 NaNO3
NH3 + NaClO + NaOH = Na2NO3 + NaCl + H2O =>
2 NH3 + 7 NaClO + 4 NaOH = 2 Na2NO3 + 7 NaCl + 5 H2O
HNH4SO4 + Fe2(SO4)3 + H2O = H2SO4 + NH4Fe3(SO4)2(OH)6 =>
2 HNH4SO4 + 3 Fe2(SO4)3 + 12 H2O = 7 H2SO4 + 2 NH4Fe3(SO4)2(OH)6
KClO4 + KCl = KClO3 =>
3 KClO4 + KCl = 4 KClO3
Li2SiO4 + H2S = H4SiO4 + LiS =>
Li2SiO4 + 2 H2S = H4SiO4 + 2 LiS
MgCl2 + Mg(OH)2 = Cl2(OH)2 + Mg2 =>
MgCl2 + Mg(OH)2 = Cl2(OH)2 + Mg2
Cu + HNO3 = CuN3O8 + NHNO + H2O =>
9 Cu + 29 HNO3 = 9 CuN3O8 + NHNO + 14 H2O
FeCl2 + Na4SiO4 = Fe2SiO4 + NaCl =>
2 FeCl2 + Na4SiO4 = Fe2SiO4 + 4 NaCl
XCl2(aq) + AgNO3(s) = X(NO3)2 + AgCl =>
XCl2(aq) + 2 AgNO3(s) = X(NO3)2 + 2 AgCl
Pb{2} + Au{3+} = Pb{4+} + Au =>
3 Pb{2} + 2 Au{3+} = 3 Pb{4+} + 2 Au
AuO + H2O = Au + (OH) =>
AuO + H2O = Au + 2(OH)
LaCl3 + H2O = LaCl3H2O =>
LaCl3 + H2O = LaCl3H2O
K3PO4 + Al(NO3)3 = AlPO4 + KNO3 =>
K3PO4 + Al(NO3)3 = AlPO4 + 3 KNO3
CuCl2(PPh3) + H2O = CuCl2*H2O + PPh3 =>
CuCl2(PPh3) + H2O = CuCl2*H2O + PPh3
Sn + HNO3 = SnO2 + H2O + NO2 =>
Sn + 4 HNO3 = SnO2 + 2 H2O + 4 NO2
HIO3 + Ca(NO2)2 = HNO2 + Ca(IO3)2 =>
2 HIO3 + Ca(NO2)2 = 2 HNO2 + Ca(IO3)2
MnSO4 + NaClO3 + NaOH = MnO2 + NaCl + Na2SO4 + H2O =>
3 MnSO4 + NaClO3 + 6 NaOH = 3 MnO2 + NaCl + 3 Na2SO4 + 3 H2O
Na2O + Cu(OH)2 = CuO + NaOH =>
Na2O + Cu(OH)2 = CuO + 2 NaOH
(CH4O) + O2 = CO2 + H2O =>
2(CH4O) + 3 O2 = 2 CO2 + 4 H2O
K2S + HNO3 = KNO3 + NO2 + S + H2O =>
K2S + 4 HNO3 = 2 KNO3 + 2 NO2 + S + 2 H2O
NH4OH + Mg(NO3)2 = Mg(OH)2 + NH4NO3 =>
2 NH4OH + Mg(NO3)2 = Mg(OH)2 + 2 NH4NO3
Pb(SO4)2 + KOH = Pb(OH)4 + K2SO4 =>
Pb(SO4)2 + 4 KOH = Pb(OH)4 + 2 K2SO4
Fe3O4 + CO = FeO + CO2 =>
Fe3O4 + CO = 3 FeO + CO2
HCIO4(aq) + Ba(OH)2(aq) = Ba(CIO4)2(aq) + H2O(l) =>
2 HCIO4(aq) + Ba(OH)2(aq) = Ba(CIO4)2(aq) + 2 H2O(l)
AuCl3 + H2C2O4 = Au + CO2 + HCl =>
2 AuCl3 + 3 H2C2O4 = 2 Au + 6 CO2 + 6 HCl
CaCO3 + C2H4O2 = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 C2H4O2 = Ca(CH3COO)2 + CO2 + H2O
NH4Cl + CH3COONa = NaCl + NH4CH3COO =>
NH4Cl + CH3COONa = NaCl + NH4CH3COO
PbO + Na2CO3 + FeS = Fe2O3 + CO + Na2SO4 + Pb =>
7 PbO + 2 Na2CO3 + 2 FeS = Fe2O3 + 2 CO + 2 Na2SO4 + 7 Pb
C2H4Cl + Zn = C2H4 + ZnCl2 =>
2 C2H4Cl + Zn = 2 C2H4 + ZnCl2
Fe(OH)2 + Ca(OCl)2 = Fe2O3 + CaCl2 + H2O =>
4 Fe(OH)2 + Ca(OCl)2 = 2 Fe2O3 + CaCl2 + 4 H2O
Cu2SO4 + NH3 + H2O = Cu(OH)2 + H2SO4 + NH4 =>
Cu2SO4 + 2 NH3 + 4 H2O = 2 Cu(OH)2 + H2SO4 + 2 NH4
CdO + HCl = CdCl + HO =>
CdO + HCl = CdCl + HO
C10H16N2O8 + ZnO + KOH = C10H12N2O8ZnK2 + H2O =>
C10H16N2O8 + ZnO + 2 KOH = C10H12N2O8ZnK2 + 3 H2O
HCO2CH3 + KOH = KCO2CH3 + H2O =>
HCO2CH3 + KOH = KCO2CH3 + H2O
C6H10O5 + NaOH + CS2 = C7S2H9O5Na + H2O =>
C6H10O5 + NaOH + CS2 = C7S2H9O5Na + H2O
Zn + O2 = Zn{2} + O{-2} =>
2 Zn + O2 = 2 Zn{2} + 2 O{-2}
CaCO3(s) + H2SO4(aq) = H2O(l) + CO2(g) + CaSO4(aq) =>
CaCO3(s) + H2SO4(aq) = H2O(l) + CO2(g) + CaSO4(aq)
Be(NO3)2 + KOH = BeOH + K(NO3)2 =>
Be(NO3)2 + KOH = BeOH + K(NO3)2
CuSO4 + Na(OH)2 = Cu(OH)4 + Na2SO4 =>
CuSO4 + 2 Na(OH)2 = Cu(OH)4 + Na2SO4
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