| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HgO = 2 Hg + O2
C5H11OH + H2SO4 = C5H11 + SO4 + H2O =>
2 C5H11OH + H2SO4 = 2 C5H11 + SO4 + 2 H2O
CaO + Al2O3 + H2O = Ca[Al(OH)4]2 =>
CaO + Al2O3 + 4 H2O = Ca[Al(OH)4]2
Cd(OH)2 + NH3*H2O = Cd(NH3)4O + H2O =>
Cd(OH)2 + 4 NH3*H2O = Cd(NH3)4O + 5 H2O
KIO4 + HNO3 + H2O = H5IO6 + KNO3 =>
KIO4 + HNO3 + 2 H2O = H5IO6 + KNO3
CuO + Ba(OH)2 + H2O = Ba[Cu(OH)4] =>
CuO + Ba(OH)2 + H2O = Ba[Cu(OH)4]
Ba + Cu(NO3) = BaCu + (NO3) =>
Ba + Cu(NO3) = BaCu + (NO3)
NH4OH + Cu(CH3COO)2 = NH4CH3COO + Cu(OH)2 =>
2 NH4OH + Cu(CH3COO)2 = 2 NH4CH3COO + Cu(OH)2
SnO2 + As + KOH = SnO + KAsO2 + H2O =>
3 SnO2 + 2 As + 2 KOH = 3 SnO + 2 KAsO2 + H2O
NaCO3 + CuNO3 = Na(NO3)2 + Cu2CO3 =>
NaCO3 + 2 CuNO3 = Na(NO3)2 + Cu2CO3
Pb(NO3)2 + BaSO4 = Pb(SO4)2 + Ba(NO3) =>
Pb(NO3)2 + 2 BaSO4 = Pb(SO4)2 + 2 Ba(NO3)
C4H4OH + O2 = CO2(g) + H2O =>
4 C4H4OH + 19 O2 = 16 CO2(g) + 10 H2O
Sn + HCl + K2Cr2O7 = SnCl4 + CrCl3 + KCl + H2O =>
3 Sn + 28 HCl + 2 K2Cr2O7 = 3 SnCl4 + 4 CrCl3 + 4 KCl + 14 H2O
HClO4 + K2CO2 = CO2 + KCl + H2O + O2 =>
4 HClO4 + 2 K2CO2 = 2 CO2 + 4 KCl + 2 H2O + 7 O2
CH2 + N2 = CH2N2 =>
CH2 + N2 = CH2N2
Nd2O3 + BaCO3 + MgCO3 + Fe2O3 = Nd5Ba5Mg20Fe60O + CO + O =>
5 Nd2O3 + 10 BaCO3 + 40 MgCO3 + 60 Fe2O3 = 2 Nd5Ba5Mg20Fe60O + 50 CO + 293 O
HCl + Co = CoCl2 + H2 =>
2 HCl + Co = CoCl2 + H2
Ba + Cl2 = BaCl1 =>
2 Ba + Cl2 = 2 BaCl1
KI + Cl2 + NaOH = KIO3 + NaCl + H2O =>
KI + 3 Cl2 + 6 NaOH = KIO3 + 6 NaCl + 3 H2O
Na2SO4 + Zn + HCl = H2S + ZnCl + NaCl + H2O =>
Na2SO4 + 8 Zn + 10 HCl = H2S + 8 ZnCl + 2 NaCl + 4 H2O
HAuCl4 + NaOH = NaAuCl4 + H2O =>
HAuCl4 + NaOH = NaAuCl4 + H2O
SO2Cl2 + Ba(ClO4)2 = BaSO4 + Cl2O6 + Cl2 =>
SO2Cl2 + Ba(ClO4)2 = BaSO4 + Cl2O6 + Cl2
SiO2 + CO2 = SiCO4 =>
SiO2 + CO2 = SiCO4
Ra + OH = Ra(OH)2 =>
Ra + 2 OH = Ra(OH)2
C2H6O + K2CrO4 + H2SO4 = CO2 + K2SO4 + CrSO4 + H2O =>
C2H6O + 3 K2CrO4 + 6 H2SO4 = 2 CO2 + 3 K2SO4 + 3 CrSO4 + 9 H2O
Na2Cr2O7 + S + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2SO3 =>
Na2Cr2O7 + 4 S + 9 H2SO4 = Cr2(SO4)3 + Na2SO4 + 9 H2SO3
OFeCl3 + KOH = Fe(OH)3 + KCl + O2 =>
2 OFeCl3 + 6 KOH = 2 Fe(OH)3 + 6 KCl + O2
Na3PO4 + Ba(NO3)2 = Ba3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Ba(NO3)2 = Ba3(PO4)2 + 6 NaNO3
KC2H3O2 + HClO4 = KClO4 + HC2H3O2 =>
KC2H3O2 + HClO4 = KClO4 + HC2H3O2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
K + MgBr2 = MgKBr2 =>
K + MgBr2 = MgKBr2
KMnO4 + SO2 + H2O = K2SO4 + H2SO4 + MnSO4 =>
2 KMnO4 + 5 SO2 + 2 H2O = K2SO4 + 2 H2SO4 + 2 MnSO4
Pb(NO3)2 + Na2CrO4 = Pb(CrO4)2 + Na + NO3 =>
Pb(NO3)2 + 2 Na2CrO4 = Pb(CrO4)2 + 4 Na + 2 NO3
Mg(SO4)2 + Al = Al(SO4)2 + Mg =>
Mg(SO4)2 + Al = Al(SO4)2 + Mg
C6H4(OH)2 + C8H4O3 = C20H12O5 + H2O =>
2 C6H4(OH)2 + C8H4O3 = C20H12O5 + 2 H2O
P4 + H2O + KOH = PH3 + KH2PO4 =>
2 P4 + 9 H2O + 3 KOH = 5 PH3 + 3 KH2PO4
K2CO3(aq) + Ni(C2H3O2)2(aq) = NiCO3(aq) + KC2H3O2(aq) =>
K2CO3(aq) + Ni(C2H3O2)2(aq) = NiCO3(aq) + 2 KC2H3O2(aq)
HOCl + NaOH + Na2S2O3 = Na2SO4 + H2O + NaCl =>
4 HOCl + 6 NaOH + Na2S2O3 = 2 Na2SO4 + 5 H2O + 4 NaCl
(N2H5)3VS4 + Au(BrO4)3 + KOH = Au + K2SO4 + KBr + N2 + KVO3 + H2O =>
27(N2H5)3VS4 + 44 Au(BrO4)3 + 375 KOH = 44 Au + 108 K2SO4 + 132 KBr + 81 N2 + 27 KVO3 + 390 H2O
SnO + NaNO3 = Sn(NO3)2 + Na2O =>
SnO + 2 NaNO3 = Sn(NO3)2 + Na2O
C6H5MgBr + CO2 + HCl = C6H5COOH + Mg + Cl + Br =>
C6H5MgBr + CO2 + HCl = C6H5COOH + Mg + Cl + Br
HCH3H5O3 + OH = H2O + C3H5O3 =>
3 HCH3H5O3 + 10 OH = 16 H2O + C3H5O3
CaO2(H2O)2 + H2O2 = CaO2(H2O2)2 + H2O =>
CaO2(H2O)2 + 2 H2O2 = CaO2(H2O2)2 + 2 H2O
C2H2(g) + O2(g) = CO2(g) + H2(g) =>
C2H2(g) + 2 O2(g) = 2 CO2(g) + H2(g)
K2O*Al2O3*6SiO2 + CO2 + H2O = K2CO3 + Al2O3*2SiO2*2H2O + SiO2 =>
K2O*Al2O3*6SiO2 + CO2 + 2 H2O = K2CO3 + Al2O3*2SiO2*2H2O + 4 SiO2
F2(g) + O2(g) = O2F2(s) =>
F2(g) + O2(g) = O2F2(s)
Na3O4P = Na3O4 + P =>
Na3O4P = Na3O4 + P
H2O + BrO{-} + Ag{+} = BrO3{-} + Ag + H{+} =>
2 H2O + BrO{-} + 4 Ag{+} = BrO3{-} + 4 Ag + 4 H{+}
KMnO4 + NaOH + Na2SO3 = Na3MnO4 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 4 NaOH + 2 Na2SO3 = 2 Na3MnO4 + K2SO4 + Na2SO4 + 2 H2O
(SO4H)2Mn + H2O = SO4H + H + Mn(OH) =>
(SO4H)2Mn + H2O = 2 SO4H + H + Mn(OH)
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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