| Équations équilibrées la veille |
2 HCOH + 2 KMnO4 = 2 HCOOH + K2MnO4 + MnO2
Fe(NO3)3 + Na2CO3(aq) = NaNO3 + Fe2(CO3)3 =>
2 Fe(NO3)3 + 3 Na2CO3(aq) = 6 NaNO3 + Fe2(CO3)3
Fe3O4 + H2SO4 = FeSO4 + Fe2(SO4)3 + H2O =>
Fe3O4 + 4 H2SO4 = FeSO4 + Fe2(SO4)3 + 4 H2O
MnO2 + H2O2 = Mn(OH) + O2 =>
2 MnO2 + H2O2 = 2 Mn(OH) + 2 O2
Ni(NO3)2*6H2O + NH4OH = Ni(NH3)4(NO3)2 + H2O =>
Ni(NO3)2*6H2O + 4 NH4OH = Ni(NH3)4(NO3)2 + 10 H2O
S + CO2 = CS2 + SO2 =>
3 S + CO2 = CS2 + SO2
Ca(CH3COO)2 + CO2 + H2O = CaCO3 + CH3COOH =>
Ca(CH3COO)2 + CO2 + H2O = CaCO3 + 2 CH3COOH
BiCl3(aq) + H2S(aq) = Bi2S3(aq) + HCl(aq) =>
2 BiCl3(aq) + 3 H2S(aq) = Bi2S3(aq) + 6 HCl(aq)
NaHg2 + NO3Cl = Hg2Cl + NaNO3 =>
NaHg2 + NO3Cl = Hg2Cl + NaNO3
BiCl3(aq) + H2S(aq) = Bi2S3(aq) + HCl(aq) =>
2 BiCl3(aq) + 3 H2S(aq) = Bi2S3(aq) + 6 HCl(aq)
(CaF)Ca4(PO4)3 + H2SO4 + H2O = CaH4(PO4)2H2O + CaSO4 + HF =>
2(CaF)Ca4(PO4)3 + 7 H2SO4 + 3 H2O = 3 CaH4(PO4)2H2O + 7 CaSO4 + 2 HF
NH3 + HNO2 = N2 + H2O =>
NH3 + HNO2 = N2 + 2 H2O
K + H2CO3 = H2CO3K =>
K + H2CO3 = H2CO3K
C2H5OH + H{+} + Cr2O7{2-} = CO2 + Cr{3+} + H2O =>
C2H5OH + 16 H{+} + 2 Cr2O7{2-} = 2 CO2 + 4 Cr{3+} + 11 H2O
Cl{-} + H3O{+} + Cr2O7{-2} = H2O + Cl + Cr{+3} =>
6 Cl{-} + 14 H3O{+} + Cr2O7{-2} = 21 H2O + 6 Cl + 2 Cr{+3}
K2S + AgNO3 = Ag2S + KNO3 =>
K2S + 2 AgNO3 = Ag2S + 2 KNO3
C14H12O2 + NaBH4 + H2O = C14H14O2 + NaBH3OH =>
C14H12O2 + NaBH4 + H2O = C14H14O2 + NaBH3OH
P4O10(s) + HNO3(aq) = H3PO4(aq) + N2O5(s) =>
P4O10(s) + 12 HNO3(aq) = 4 H3PO4(aq) + 6 N2O5(s)
C2K2O4 + CaCl2 = CaC2O4 + KCl =>
C2K2O4 + CaCl2 = CaC2O4 + 2 KCl
SiH2Cl2 + O2 = SiO2 + H2O + Cl2 =>
2 SiH2Cl2 + 3 O2 = 2 SiO2 + 2 H2O + 2 Cl2
P2O5 + CCl4 = PCl5 + COCl2 =>
P2O5 + 5 CCl4 = 2 PCl5 + 5 COCl2
Fe2 + H3PO4 = H2 + Fe3PO4 =>
3 Fe2 + 2 H3PO4 = 3 H2 + 2 Fe3PO4
HNO3 + CaCO3 = CO2 + H2O(g) + Ca(NO3)2(ac) =>
2 HNO3 + CaCO3 = CO2 + H2O(g) + Ca(NO3)2(ac)
Ag2O + H2O = Ag2O2 + H2 =>
Ag2O + H2O = Ag2O2 + H2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
S2Cl2 + H2O = SO2 + HCl + S8 =>
16 S2Cl2 + 16 H2O = 8 SO2 + 32 HCl + 3 S8
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
BaCl2(ag) + H2SO4(ag) = BaSO4(s) + HCl(ag) =>
BaCl2(ag) + H2SO4(ag) = BaSO4(s) + 2 HCl(ag)
H2S(aq) + Ba(OH)2(aq) = BaS + H2O =>
H2S(aq) + Ba(OH)2(aq) = BaS + 2 H2O
H2O2 + Co{2+} = OH{-} + Co{3+} =>
H2O2 + 2 Co{2+} = 2 OH{-} + 2 Co{3+}
Fe + C = Fe21C12 =>
21 Fe + 12 C = Fe21C12
Na2CO3 + NH4OH = Na2OH + NH4(CO3) =>
Na2CO3 + NH4OH = Na2OH + NH4(CO3)
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
Nb2O5 + Y(OH)3 = YNbO4 + H2O =>
Nb2O5 + 2 Y(OH)3 = 2 YNbO4 + 3 H2O
Zn + Fe(No3)3 = ZnNo6 + Fe =>
3 Zn + 2 Fe(No3)3 = 3 ZnNo6 + 2 Fe
CuSO4 + BaCl2 = CuCl2 + BaSO4 =>
CuSO4 + BaCl2 = CuCl2 + BaSO4
Cu(NO3)2 = Cu + NO + O =>
Cu(NO3)2 = Cu + 2 NO + 4 O
Cu2S + Pb3(PO4)4 = Cu3PO4 + Pb2S4 =>
12 Cu2S + 2 Pb3(PO4)4 = 8 Cu3PO4 + 3 Pb2S4
Al(OH)2NO3 = Al(OH)2NO2 + O2 =>
2 Al(OH)2NO3 = 2 Al(OH)2NO2 + O2
CO2 + H2O + S = H2SO4 + CO =>
3 CO2 + H2O + S = H2SO4 + 3 CO
C6H6 + HBr = C6H7Br =>
C6H6 + HBr = C6H7Br
FeCl3 + KSCN + AgNO3 = KCl + SCN + Fe(NO3)2 + Ag =>
FeCl3 + 3 KSCN + 2 AgNO3 = 3 KCl + 3 SCN + Fe(NO3)2 + 2 Ag
Na3PO4(ac) + BaCl2(ac) = Ba3(PO4)2(s) + NaCl(ac) =>
2 Na3PO4(ac) + 3 BaCl2(ac) = Ba3(PO4)2(s) + 6 NaCl(ac)
K2S + AgNO3 = Ag2S + KNO3 =>
K2S + 2 AgNO3 = Ag2S + 2 KNO3
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
C2H4 + MnO4{-} + H2O = MnO2 + C2H4(OH)2 + OH{-} =>
3 C2H4 + 2 MnO4{-} + 4 H2O = 2 MnO2 + 3 C2H4(OH)2 + 2 OH{-}
Cl2 + Na3PO4 = Cl3(PO4)2 + NaCl =>
9 Cl2 + 4 Na3PO4 = 2 Cl3(PO4)2 + 12 NaCl
Na + SO4 + Ba(NO3)2 = BaSO4 + NaNO3 =>
2 Na + SO4 + Ba(NO3)2 = BaSO4 + 2 NaNO3
Ti(C2H3O2)3 + Ti2S4 = Ti2S3 + Ti(C2H3O2)4 =>
8 Ti(C2H3O2)3 + 3 Ti2S4 = 4 Ti2S3 + 6 Ti(C2H3O2)4
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