| Équations équilibrées la veille | Équations équilibrées le lendemain |
SF6 = 3 F2 + S
C6H5SO3H + NaOH = C6H5OH + Na2SO3 + H2O =>
C6H5SO3H + 2 NaOH = C6H5OH + Na2SO3 + H2O
CrI3 + Cl2 + H2O = H2CrO4 + HIO3 + HCl =>
2 CrI3 + 21 Cl2 + 26 H2O = 2 H2CrO4 + 6 HIO3 + 42 HCl
H202 = H203 =>
203 H202 = 202 H203
Mn{2+} + H2O2 + OH{-} = MnO4 + H2O =>
Mn{2+} + 3 H2O2 + 2 OH{-} = MnO4 + 4 H2O
CrI3 + NaOH + Cl2 = Na2IO4 + NaCrO4 + NaCl + H2O =>
2 CrI3 + 64 NaOH + 25 Cl2 = 6 Na2IO4 + 2 NaCrO4 + 50 NaCl + 32 H2O
(Ni(OH)2) = NiO + H2O =>
(Ni(OH)2) = NiO + H2O
SrOH2 + HBr = SrBr + HOH2 =>
SrOH2 + HBr = SrBr + HOH2
C2O2H4 + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
C2O2H4 + NaHCO3 = NaC2H3O2 + H2O + CO2
CaCl2 + H2O = Ca(OH)2 + HCl =>
CaCl2 + 2 H2O = Ca(OH)2 + 2 HCl
C3H5(ONO2)3 = CO + N2 + H2O + O2 =>
4 C3H5(ONO2)3 = 12 CO + 6 N2 + 10 H2O + 7 O2
NaOH + Fe(C2H3O2)3 = NaC2H3O2 + Fe(OH)3 =>
3 NaOH + Fe(C2H3O2)3 = 3 NaC2H3O2 + Fe(OH)3
CaCO3 + AlCl3 = CaCl3 + AlCO3 =>
CaCO3 + AlCl3 = CaCl3 + AlCO3
K2CrO4(aq) + BaCl2(aq) = BaCrO4(aq) + KCl(aq) =>
K2CrO4(aq) + BaCl2(aq) = BaCrO4(aq) + 2 KCl(aq)
Cr(NCS)6 + Ce{4+} + H2O = Cr{3+} + Ce{3+} + NO3{-} + CO2 + SO4{2-} + H{+} =>
Cr(NCS)6 + 93 Ce{4+} + 54 H2O = Cr{3+} + 93 Ce{3+} + 6 NO3{-} + 6 CO2 + 6 SO4{2-} + 108 H{+}
C2H5OH + Cr2O7{-2} + H{+} = CH3COOH + Cr{+3} + H2O =>
3 C2H5OH + 2 Cr2O7{-2} + 16 H{+} = 3 CH3COOH + 4 Cr{+3} + 11 H2O
K2[Zn(OH)4] + CrCl3 = Zn(OH)2 + Cr(OH)3 + KCl =>
3 K2[Zn(OH)4] + 2 CrCl3 = 3 Zn(OH)2 + 2 Cr(OH)3 + 6 KCl
N2O + CH3Cl = H2O + CO2 + N2 + HCl =>
3 N2O + CH3Cl = H2O + CO2 + 3 N2 + HCl
C4H4O4 = C4H2O3 + H2O =>
C4H4O4 = C4H2O3 + H2O
Al(aluminum) + Fe(iron)3N(nitrogen)2 = Al(aluminum)N(nitrogen) + Fe(iron) =>
2 Al(aluminum) + Fe(iron)3N(nitrogen)2 = 2 Al(aluminum)N(nitrogen) + 3 Fe(iron)
PCl5 + NO2 = PCl3 + NO2Cl =>
PCl5 + 2 NO2 = PCl3 + 2 NO2Cl
MnO4{-} + SO3{2-} + H{+) = Mn{2+}+SO4{2-}+H2O =>
2 MnO4{-} + 5 SO3{2-} + 6 H{+) = 2 Mn{2+}+5SO4{2-}+3H2O
Zn + HC2H3O2 = Zn(CH3COO)2 + H2 =>
Zn + 2 HC2H3O2 = Zn(CH3COO)2 + H2
CaO + OH2 = Ca(OH)2 =>
CaO + OH2 = Ca(OH)2
Ca(NO3)2 + K2CO3 = CaCO3 + KNO3 =>
Ca(NO3)2 + K2CO3 = CaCO3 + 2 KNO3
H2SO4 + ZnSO4 = H2SO4ZnSO4 =>
H2SO4 + ZnSO4 = H2SO4ZnSO4
NiOH + KClO + H2O = Ni(OH)3 + KCl =>
NiOH + KClO + H2O = Ni(OH)3 + KCl
H2SO4 + Zn = H2O + ZnSO4 + H2S =>
5 H2SO4 + 4 Zn = 4 H2O + 4 ZnSO4 + H2S
calcium + water = calciumhydroxide + hydrogen =>
Ca + 2 H2O = Ca(OH)2 + H2
Mg(s) + AgNO3(ag) = Ag(s) + Mg(NO3)2(ag) =>
Mg(s) + 2 AgNO3(ag) = 2 Ag(s) + Mg(NO3)2(ag)
NO2 = O3 + NO =>
3 NO2 = O3 + 3 NO
CH3(CH2)14CH3 + H2O2 = H3CO2 + H2 =>
CH3(CH2)14CH3 + 16 H2O2 = 16 H3CO2 + 9 H2
N2H4(g) + N2O2(g) = N2(g) + H2O(g) =>
N2H4(g) + N2O2(g) = 2 N2(g) + 2 H2O(g)
ZnS = S8 + Zn =>
8 ZnS = S8 + 8 Zn
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ti2O3 + K3Fe(CN)6 + KCl + H2O = TiO2 + K4Fe(CN)6 + HCl =>
Ti2O3 + 2 K3Fe(CN)6 + 2 KCl + H2O = 2 TiO2 + 2 K4Fe(CN)6 + 2 HCl
CO2 + HCl = CCl4 + H2O =>
CO2 + 4 HCl = CCl4 + 2 H2O
KO3 + CO2 = K2CO3 + O3 =>
6 KO3 + 3 CO2 = 3 K2CO3 + 5 O3
CaC2 + H2O = C3H6O3 + Ca(OH)2 + H2 =>
3 CaC2 + 12 H2O = 2 C3H6O3 + 3 Ca(OH)2 + 3 H2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
NaOH + CS2 = Na2CO3 + Na2CS3 + H2O =>
6 NaOH + 3 CS2 = Na2CO3 + 2 Na2CS3 + 3 H2O
C6H4OHCOOH + (CH3CO)2O = C9H8O4 =>
11 C6H4OHCOOH + (CH3CO)2O = 9 C9H8O4
CH3CH2OH + H2SO4 = CH3CH2HSO4 + (H2O) =>
CH3CH2OH + H2SO4 = CH3CH2HSO4 + (H2O)
Pb(OH)2 + CsOH = Cs2PbO2 + H2O =>
Pb(OH)2 + 2 CsOH = Cs2PbO2 + 2 H2O
Cr2(SO4)3 + NaOH = Na2SO4 + Na3[Cr(OH)6] =>
Cr2(SO4)3 + 12 NaOH = 3 Na2SO4 + 2 Na3[Cr(OH)6]
Na3(PO3) + CaCl2 = Ca3(PO3)2 + NaCl =>
2 Na3(PO3) + 3 CaCl2 = Ca3(PO3)2 + 6 NaCl
Mg(s) + Cu(ClO4)2(aq) = Cu(s) + Mg(ClO4)2(aq) =>
Mg(s) + Cu(ClO4)2(aq) = Cu(s) + Mg(ClO4)2(aq)
Na2S2O8 + C6H6 + H2O = CO2 + NaHSO4 =>
15 Na2S2O8 + C6H6 + 12 H2O = 6 CO2 + 30 NaHSO4
K2(s) + Ni(NO3)2(aq) = KNO3(aq) + Ni(s) =>
K2(s) + Ni(NO3)2(aq) = 2 KNO3(aq) + Ni(s)
Li2CO3(aq) + ZnCl2(aq) = LiCl(aq) + ZnCO3(aq) =>
Li2CO3(aq) + ZnCl2(aq) = 2 LiCl(aq) + ZnCO3(aq)
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