| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CH3COOH + Co(HCO3)2 = Co(CH3COO)2 + 2 H2O + 2 CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + [Fe2(CN)6]4 = Fe3[Fe3Fe2(CN)6]3 =>
48 Fe + 3[Fe2(CN)6]4 = 4 Fe3[Fe3Fe2(CN)6]3
Zinc + iron(ii)chloride = zincchloride + iron =>
Zn + FeCl2 = ZnCl2 + Fe
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2Co3(s) + CaCl2*2H2O(s) = CaCo3(s) + NaCl(aq) + H2O =>
Na2Co3(s) + CaCl2*2H2O(s) = CaCo3(s) + 2 NaCl(aq) + 2 H2O
NaNO2(aq) + H2SO4(aq) = NO + HNO3 + H2O + Na2SO4 =>
6 NaNO2(aq) + 3 H2SO4(aq) = 4 NO + 2 HNO3 + 2 H2O + 3 Na2SO4
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Pb + FeCl2 = PbCl2 + Fe =>
Pb + FeCl2 = PbCl2 + Fe
CH3(CH2)4CH3(g) + O2(g) = CO2(g) + H2O(g) =>
2 CH3(CH2)4CH3(g) + 19 O2(g) = 12 CO2(g) + 14 H2O(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CuSO4 + HNO3 = Cu(NO3)2 + HSO4 + NO + H2O =>
3 CuSO4 + 7 HNO3 = 3 Cu(NO3)2 + 3 HSO4 + NO + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2MnO4 + H2O = KMnO4 + KOH + H2 =>
2 K2MnO4 + 2 H2O = 2 KMnO4 + 2 KOH + H2
Ti2(SO4)3 + HCl = TiCl3 + H2(SO4) =>
Ti2(SO4)3 + 6 HCl = 2 TiCl3 + 3 H2(SO4)
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
NO2{-} + Cr2O7{2-} + H2O = Cr{3+} + NO3{-} + OH{-} =>
3 NO2{-} + Cr2O7{2-} + 4 H2O = 2 Cr{3+} + 3 NO3{-} + 8 OH{-}
ZnO + Ca(OH)2 + H2O = Ca2Zn(OH)6 =>
ZnO + 2 Ca(OH)2 + H2O = Ca2Zn(OH)6
CH4 + P = PH + C =>
CH4 + 4 P = 4 PH + C
Cr2(SO4)3 + I2 + KOH = K2Cr2O7 + KI + K2SO4 + H2O =>
Cr2(SO4)3 + 3 I2 + 14 KOH = K2Cr2O7 + 6 KI + 3 K2SO4 + 7 H2O
Na + H5O = NaOH + H10000000000000000000000000000 =>
2.3058430092137E + 18 Na + 2.3058430092137E + 18 H5O = 2.3058430092137E + 18 NaOH + H10000000000000000000000000000
NaOH = Na{+} + OH{-} =>
NaOH = Na{+} + OH{-}
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
NH5 + I = HI + N2 =>
2 NH5 + 10 I = 10 HI + N2
CH3CH2CH2CH3OH + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
30 CH3CH2CH2CH3OH + 38 KMnO4 + 57 H2SO4 = 40 CH3CH2COOH + 19 K2SO4 + 38 MnSO4 + 102 H2O
C7H6O + C3H6O = C17H14O + H2O =>
2 C7H6O + C3H6O = C17H14O + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
NO + Cl = NCl + O =>
NO + Cl = NCl + O
LiBr + CO(SO3)2 = Li2(SO3) + Br4CO =>
4 LiBr + CO(SO3)2 = 2 Li2(SO3) + Br4CO
(e)S + HNO3 = H2O + NO2 + H2SO4 =>
(e)S + 6 HNO3 = 2 H2O + 6 NO2 + H2SO4
Cu(NO3)2 + ZnF2 = Zn(NO3)2 + CuF2 =>
Cu(NO3)2 + ZnF2 = Zn(NO3)2 + CuF2
Mg + CH3CH2COOH = Mg(CH3CH2COO) + H2 =>
2 Mg + 2 CH3CH2COOH = 2 Mg(CH3CH2COO) + H2
ZrO(OH)2 + SO3{2-}OH{-} = Zr + SO4{2-} + H2O =>
ZrO(OH)2 + 2 SO3{2-}OH{-} = Zr + 2 SO4{2-} + H2O
KBr + (AgNO3) = AgBr + (KNO3) =>
KBr + (AgNO3) = AgBr + (KNO3)
Tl + Pd(IO)2 = TlIO + Pd =>
2 Tl + Pd(IO)2 = 2 TlIO + Pd
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ba(HCO3)2 + HBr = BaBr2 + CO2 + H2O =>
Ba(HCO3)2 + 2 HBr = BaBr2 + 2 CO2 + 2 H2O
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g)
S{2-} + MnO4{-} + H2O = MnO2 + S + OH{-} =>
3 S{2-} + 2 MnO4{-} + 4 H2O = 2 MnO2 + 3 S + 8 OH{-}
CaCl2 + Na3PO4 = Ca3(PO4)2 + Na2Cl2 =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 3 Na2Cl2
(NH2)2CO + Cl2 = CO(NHCl)2 + H2 =>
(NH2)2CO + Cl2 = CO(NHCl)2 + H2
C6H12O + K2Cr2O7 + H2SO4 = HOOC(CH2)4COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H12O + 4 K2Cr2O7 + 16 H2SO4 = 3 HOOC(CH2)4COOH + 4 K2SO4 + 4 Cr2(SO4)3 + 19 H2O
Fe(III)No33 + KSCN = Fe(III)SCN + KNo33 =>
Fe(III)No33 + KSCN = Fe(III)SCN + KNo33
HCOOH + H2SO4 + KMnO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 HCOOH + 3 H2SO4 + 2 KMnO4 = 5 CO2 + 8 H2O + 2 MnSO4 + K2SO4
Hg(NO3)2 + MnI2 = HgI2 + Mn(NO3)2 =>
Hg(NO3)2 + MnI2 = HgI2 + Mn(NO3)2
Na2CrO4 + HNO3 = NaNO3 + Na2Cr2O7 + H2O =>
2 Na2CrO4 + 2 HNO3 = 2 NaNO3 + Na2Cr2O7 + H2O
K2CO3 + NaC2H3O2 = KC2H3O2 + Na + CO3 =>
K2CO3 + 2 NaC2H3O2 = 2 KC2H3O2 + 2 Na + CO3
P2O3 + H2SO4 = SO2 + P2O5 + H2O =>
P2O3 + 2 H2SO4 = 2 SO2 + P2O5 + 2 H2O
CsC2H3O2 + RbCl = CsCl + RbC2H3O2 =>
CsC2H3O2 + RbCl = CsCl + RbC2H3O2
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