| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Na2FeO4 + 6 H2O = 4 FeOOH + 8 NaOH + 3 O2
HNO3 + HCl + HgS = H2HgCl4 + NO2 + H2SO4 + H2O =>
8 HNO3 + 4 HCl + HgS = H2HgCl4 + 8 NO2 + H2SO4 + 4 H2O
K2Cr2O7 + CaCl2 + H2SO4 = Cr2(SO4)3 + K2SO4 + Ca2SO4 + Cl2 + H2O =>
K2Cr2O7 + 6 CaCl2 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Ca2SO4 + 6 Cl2 + 7 H2O
Al(OH)3 + NaHCO3 = NaOH + Al(HCO3)3 =>
Al(OH)3 + 3 NaHCO3 = 3 NaOH + Al(HCO3)3
Na2B4O7*10H2O + CuSO4 = Na2SO4 + CuB4O7 + H2O =>
Na2B4O7*10H2O + CuSO4 = Na2SO4 + CuB4O7 + 10 H2O
NH + F = NHF4 =>
NH + 4 F = NHF4
H2NCH2COOH + O2 = CO2 + HNO3 + H2O =>
2 H2NCH2COOH + 7 O2 = 4 CO2 + 2 HNO3 + 4 H2O
C6H8O6 + Fe(CN)6{3-} = C6H6O6 + Fe(CN)6{4-} + H{+} =>
C6H8O6 + 2 Fe(CN)6{3-} = C6H6O6 + 2 Fe(CN)6{4-} + 2 H{+}
KMnO4 + Al = MnO2 + KAlO2 =>
KMnO4 + Al = MnO2 + KAlO2
C4H9COOH + NaOH = C4H9COONa + H2O =>
C4H9COOH + NaOH = C4H9COONa + H2O
NaHCO3 + C6H8O7 = NaC6H5O7 + H2O + CO2 =>
9 NaHCO3 + 8 C6H8O7 = 9 NaC6H5O7 + 14 H2O + 3 CO2
Cu + Ag2SO3 = Cu(SO3)2 + Ag =>
Cu + 2 Ag2SO3 = Cu(SO3)2 + 4 Ag
Zn + CaCl2 = Zn(Cl2)2 + Ca =>
Zn + 2 CaCl2 = Zn(Cl2)2 + 2 Ca
CH3COOH + Na2(CO3) = NaCH3COO + O2 =>
3 CH3COOH + 2 Na2(CO3) = 4 NaCH3COO + 2 O2
Cu + S = Cu2S =>
2 Cu + S = Cu2S
[Cu(H2O)6] + NH4OH = [Cu(NH3)4(H2O)2] + H2O =>
[Cu(H2O)6] + 4 NH4OH = [Cu(NH3)4(H2O)2] + 8 H2O
C5H8NO4Na + O2 = CO2 + NH3 + H2O + NaOH =>
2 C5H8NO4Na + 9 O2 = 10 CO2 + 2 NH3 + 4 H2O + 2 NaOH
CaCO3(aq) + H2SO4(aq) = CaSO4(s) + H2CO3(s) =>
CaCO3(aq) + H2SO4(aq) = CaSO4(s) + H2CO3(s)
Zn + O2 + H2O + CO2 = Zn2(OH)2CO3 =>
2 Zn + O2 + H2O + CO2 = Zn2(OH)2CO3
CH3OHH + O2 = CO2 + H2O =>
4 CH3OHH + 7 O2 = 4 CO2 + 10 H2O
Zn + HNO3 = Zn[NO3]2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn[NO3]2 + 2 NO + 4 H2O
(NH4)2CO3(aq) + CaCl2(aq) = (NH4)Cl(aq) + CaCO3(s) =>
(NH4)2CO3(aq) + CaCl2(aq) = 2(NH4)Cl(aq) + CaCO3(s)
O + HgI = OI + Hg =>
O + HgI = OI + Hg
Al(s) + Br2(g) = AlBr3(s) =>
2 Al(s) + 3 Br2(g) = 2 AlBr3(s)
H2SO4 + NaMnO4 = Na2SO4 + HMnO4 =>
H2SO4 + 2 NaMnO4 = Na2SO4 + 2 HMnO4
K2SO4 + Pb(CO3)2 = Pb(SO4)2 + K2CO3 =>
2 K2SO4 + Pb(CO3)2 = Pb(SO4)2 + 2 K2CO3
C7H16 + O2 = CO2 + H2 =>
C7H16 + 7 O2 = 7 CO2 + 8 H2
NO2 + OH{-} = NO3{-} + NO2{-} + H2O =>
2 NO2 + 2 OH{-} = NO3{-} + NO2{-} + H2O
HNO3(aq) + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3(aq) + Al(OH)3 = Al(NO3)3 + 3 H2O
NaClO3 + H2S = NaCl + H2O + S =>
NaClO3 + 3 H2S = NaCl + 3 H2O + 3 S
Na3(PO4) + MnCl2 = Na3Cl2 + Mn(PO4) =>
Na3(PO4) + MnCl2 = Na3Cl2 + Mn(PO4)
CaCl2 + HCl = CaHCl + Cl =>
CaCl2 + HCl = CaHCl + 2 Cl
O2(s) + P(s) = O10P4(s) =>
5 O2(s) + 4 P(s) = O10P4(s)
BaBr2 + Ca = CaBr2 + Ba =>
BaBr2 + Ca = CaBr2 + Ba
FeBr3 + NaOH = Fe(OH)3 + NaBr =>
FeBr3 + 3 NaOH = Fe(OH)3 + 3 NaBr
FeSO4 + H[AuCl4] = Fe2(SO4)3 + FeCl3 + Au + HCl =>
3 FeSO4 + H[AuCl4] = Fe2(SO4)3 + FeCl3 + Au + HCl
Cr4(N6H24C6O6)6(CrC6N6)3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
2 Cr4(N6H24C6O6)6(CrC6N6)3 + 240 KMnO4 + 299 H2SO4 = 7 K2Cr2O7 + 240 MnSO4 + 108 CO2 + 108 KNO3 + 59 K2SO4 + 443 H2O
WO3 + Sn{2+} + Cl{-} + H{+} = W3O8 + SnCl6{4+} + H2O =>
12 WO3 + Sn{2+} + 6 Cl{-} + 8 H{+} = 4 W3O8 + SnCl6{4+} + 4 H2O
P4 + KClO3 = K + P4ClO3 =>
P4 + KClO3 = K + P4ClO3
Mg0H2 + H2SO4 = MgSO4 + H2 =>
Mg0H2 + H2SO4 = MgSO4 + 2 H2
Zn2 + Cu2(S04) = Cu2 + Zn2(S04) =>
Zn2 + Cu2(S04) = Cu2 + Zn2(S04)
AgNO3 + NaPO4 = AgNa + NO3(PO4) =>
AgNO3 + NaPO4 = AgNa + NO3(PO4)
AgClO3 + LiI = AgI + Li(ClO3) =>
AgClO3 + LiI = AgI + Li(ClO3)
HCl + RaOH = RaCl + H2O =>
HCl + RaOH = RaCl + H2O
BaCO3 + H2O2 = BaO2 + H2O + CO2 =>
BaCO3 + H2O2 = BaO2 + H2O + CO2
NH42*CO3 = NH42 + CO3 =>
NH42*CO3 = NH42 + CO3
MgSO4 + S = S2SO4 + Mg =>
MgSO4 + 2 S = S2SO4 + Mg
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
CaCl2(aq)HCl(aq) = HCl2(aq)CaCl =>
CaCl2(aq)HCl(aq) = HCl2(aq)CaCl
IO3 + H = I + H2O =>
IO3 + 6 H = I + 3 H2O
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