| Équations équilibrées la veille |
6 NH4Cl + Cr2O3 = 2 CrCl3 + 3 H2O + 6 NH3
K2Cr2O7(aq) + HCl(aq) = KCl + CrCl3 + Cl2 + H2O =>
K2Cr2O7(aq) + 14 HCl(aq) = 2 KCl + 2 CrCl3 + 3 Cl2 + 7 H2O
H2 + ZnO2 = Zn + H2O =>
2 H2 + ZnO2 = Zn + 2 H2O
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
H2SO4 + Cl2 = Cl2SO4 + H2 =>
H2SO4 + Cl2 = Cl2SO4 + H2
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
KOH + H2SO4 = KSO4 + H2 + O2 =>
2 KOH + 2 H2SO4 = 2 KSO4 + 3 H2 + O2
Mn{2+} + ClO{-} + H{-} = MnO4{-} + Cl{-} + H2O =>
2 Mn{2+} + 11 ClO{-} + 6 H{-} = 2 MnO4{-} + 11 Cl{-} + 3 H2O
Cr2O7 + CH3OH = HCO2H + Cr + H =>
Cr2O7 + 7 CH3OH = 7 HCO2H + 2 Cr + 14 H
Ca(OH)2 + CuCl2 = CaCl2 + Cu(OH)2 =>
Ca(OH)2 + CuCl2 = CaCl2 + Cu(OH)2
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
H3Cl + HClO2 = H2O + Cl2 =>
H3Cl + HClO2 = 2 H2O + Cl2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn + Cu2(SO4) = Zn2(SO4) + Cu =>
2 Zn + Cu2(SO4) = Zn2(SO4) + 2 Cu
P4O10 = P4 + O2 =>
P4O10 = P4 + 5 O2
AgF + NH3 = Ag(NH3)2 + F2 =>
2 AgF + 4 NH3 = 2 Ag(NH3)2 + F2
KClO3 + C6H12O6 + H2SO4 = CO2 + H2O + Cl2 + K2SO4 =>
24 KClO3 + 5 C6H12O6 + 12 H2SO4 = 30 CO2 + 42 H2O + 12 Cl2 + 12 K2SO4
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
V2O5 + HNO3 = VO2NO3 + H2O =>
V2O5 + 2 HNO3 = 2 VO2NO3 + H2O
KIO3 + KI + HCl = KICl2 + H2O =>
KIO3 + 2 KI + 6 HCl = 3 KICl2 + 3 H2O
CuO + P2O5 = Cu3(PO4)2 =>
3 CuO + P2O5 = Cu3(PO4)2
KMnO4 + Co3(PO4)2 = K3PO4 + Co(MnO4)2 =>
6 KMnO4 + Co3(PO4)2 = 2 K3PO4 + 3 Co(MnO4)2
Pb{2+} + K4FeCN6 = Pb2FeCN6 + K{+} =>
2 Pb{2+} + K4FeCN6 = Pb2FeCN6 + 4 K{+}
MgSO4 + Na2S = MgS + Na2SO4 =>
MgSO4 + Na2S = MgS + Na2SO4
K4Fe(CN)6 + KMnO4 + H2SO4 = K3Fe(CN)6 + MnSO4 + K2SO4 + H2O =>
5 K4Fe(CN)6 + KMnO4 + 4 H2SO4 = 5 K3Fe(CN)6 + MnSO4 + 3 K2SO4 + 4 H2O
CaBr + KPO = CaPO + BrK =>
CaBr + KPO = CaPO + BrK
SrCl2 + NaHCO3 = NaCl + SrO + CO2 + H2O =>
SrCl2 + 2 NaHCO3 = 2 NaCl + SrO + 2 CO2 + H2O
MgCl2 + CaCO3 = MgO + CaCl2 + CO2 =>
MgCl2 + CaCO3 = MgO + CaCl2 + CO2
KMnO4 + SnCl2 + HCl = SnCl4 + MnCl2 + KCl + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 5 SnCl4 + 2 MnCl2 + 2 KCl + 8 H2O
Ba3N2 + Mn2O7 = Mn3N7 + BaO =>
7 Ba3N2 + 3 Mn2O7 = 2 Mn3N7 + 21 BaO
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
BaCO3 + O2 = BaO3 + CO2 =>
BaCO3 + O2 = BaO3 + CO2
FeO + CH3OH = Fe + CO2 + H2O =>
3 FeO + CH3OH = 3 Fe + CO2 + 2 H2O
HCHONaHCO3 = CO2H2ONaCHO =>
HCHONaHCO3 = CO2H2ONaCHO
SrSnO(OH)4 = SrSnO2(OH)2 + H2O =>
SrSnO(OH)4 = SrSnO2(OH)2 + H2O
Na2B4O7(s) + H2SO4(ag) + H2O(l) = H3BO3(s) + Na2SO4(ag) =>
Na2B4O7(s) + H2SO4(ag) + 5 H2O(l) = 4 H3BO3(s) + Na2SO4(ag)
FeCl3(aq) + Na2SO4(aq) = FeSO4(s) + Na2Cl3(aq) =>
FeCl3(aq) + Na2SO4(aq) = FeSO4(s) + Na2Cl3(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Pb + Pb2O4(s) + H2SO4 = PbSO4 + H2O =>
2 Pb + Pb2O4(s) + 4 H2SO4 = 4 PbSO4 + 4 H2O
C2H3OH + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
4 C2H3OH + 5 NaHCO3 = 5 NaC2H3O2 + 3 H2O + 3 CO2
BrF5 + H2O = BrO2F + HF =>
BrF5 + 2 H2O = BrO2F + 4 HF
Y2(CO) = Y + CO =>
Y2(CO) = 2 Y + CO
AB2H2O = AB2 + H2O =>
AB2H2O = AB2 + H2O
C2H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C2H5(NO3)3 = 8 CO2 + 6 N2 + 10 H2O + 5 O2
H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
8 H2SO4 + 2 K2Cr2O7 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
Cr(OH)3 + NH4OH = Cr(NH3)6(OH)3 + H2O =>
Cr(OH)3 + 6 NH4OH = Cr(NH3)6(OH)3 + 6 H2O
K + O = K2O =>
2 K + O = K2O
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