| Équations équilibrées la veille |
H2SO4 + 2 KOH = K2 + SO4 + 2 H2O
NaS2O8 + C2HCl3 + H2O = CO2 + H{+} + Cl{-} + Na{+} + SO4{2-} =>
2 NaS2O8 + C2HCl3 + 4 H2O = 2 CO2 + 9 H{+} + 3 Cl{-} + 2 Na{+} + 4 SO4{2-}
UO2(NO3)2 + HCl + Zn = H2O + UCl4 + Zn(NO3)2 =>
UO2(NO3)2 + 4 HCl + Zn = 2 H2O + UCl4 + Zn(NO3)2
MnCl2 + NaOH + O2 + H2O = Mn(OH)3 + NaCl =>
4 MnCl2 + 8 NaOH + O2 + 2 H2O = 4 Mn(OH)3 + 8 NaCl
Mg + HF = H2 + F2Mg =>
Mg + 2 HF = H2 + F2Mg
Fe(NO3)2 = Fe(NO3)3 + NO + Fe2O3 =>
9 Fe(NO3)2 = 5 Fe(NO3)3 + 3 NO + 2 Fe2O3
H2O + Ca3FeAlSi3O12 + Ca3TiCu(SiO4)3 = O2(aq) + Ca2Fe2Al3(Si2O7)(SiO4)O(OH) + CaTiO5 + CuFe2O4 + CaO(aq) + SiO2 =>
H2O + 6 Ca3FeAlSi3O12 + Ca3TiCu(SiO4)3 = 2 O2(aq) + 2 Ca2Fe2Al3(Si2O7)(SiO4)O(OH) + CaTiO5 + CuFe2O4 + 16 CaO(aq) + 15 SiO2
H2O + AgCl = Ag + HCl + O2 =>
2 H2O + 4 AgCl = 4 Ag + 4 HCl + O2
NaCrO4 + H2S = Cr2O3 + Na2SO3 + H2SO3 + H2O =>
6 NaCrO4 + 4 H2S = 3 Cr2O3 + 3 Na2SO3 + H2SO3 + 3 H2O
O2(g) = O3 =>
3 O2(g) = 2 O3
AgClO4 + Na3PO4 = NaClO4 + Ag3PO4 =>
3 AgClO4 + Na3PO4 = 3 NaClO4 + Ag3PO4
CH2O + O2 = HCO3 + H2O =>
4 CH2O + 5 O2 = 4 HCO3 + 2 H2O
FeO + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 FeO + 4 H2SO4 = Fe2(SO4)3 + SO2 + 4 H2O
K2Cr2O7 + H2SO4 + CH3CH2OH = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 CH3CH2OH = 3 CH3COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Cu(NO3)2 + KOH = CuOH + K + NO3 =>
Cu(NO3)2 + KOH = CuOH + K + 2 NO3
Sn + O20 = SnO2 =>
10 Sn + O20 = 10 SnO2
C6H5CH2CH3 = C6H5CH3 + H2 =>
7 C6H5CH2CH3 = 8 C6H5CH3 + 3 H2
Na2O + H2 = Na + OH =>
2 Na2O + H2 = 4 Na + 2 OH
K2S2O5 + H2O = HSO3 + K2 =>
K2S2O5 + H2O = 2 HSO3 + K2
HNO3 + CaSO3 = H2O + SO2 + Ca(NO3)2 =>
2 HNO3 + CaSO3 = H2O + SO2 + Ca(NO3)2
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
K + Al2 = K2Al =>
4 K + Al2 = 2 K2Al
CuSO4 + K4[Fe(CN)6] = FeSO4 + K4[Cu(CN)6] =>
CuSO4 + K4[Fe(CN)6] = FeSO4 + K4[Cu(CN)6]
Mg + NaOH + H2O = Na[Mg(OH)2] + H2 =>
2 Mg + 2 NaOH + 2 H2O = 2 Na[Mg(OH)2] + H2
Na2(CO3) + H(NO3) = Na(NO3) + H2(CO3) =>
Na2(CO3) + 2 H(NO3) = 2 Na(NO3) + H2(CO3)
C6H0 + O2 = CO2 + H2O =>
4 C6H0 + 25 O2 = 24 CO2 + 2 H2O
Mn(HCO3)2 + O3 = MnO2 + CO2 + H2O =>
3 Mn(HCO3)2 + O3 = 3 MnO2 + 6 CO2 + 3 H2O
FeCl3 + Ba(OH)2 = BaCl3 + Fe(OH)2 =>
FeCl3 + Ba(OH)2 = BaCl3 + Fe(OH)2
Mg + HCO2H = Mg(CO2H)2 + H2 =>
Mg + 2 HCO2H = Mg(CO2H)2 + H2
KCl + AlNO3 = AlCl + KNO3 =>
KCl + AlNO3 = AlCl + KNO3
Mg(OH)2 + CH3COOH = Mg(CH3CO2)2 + H2O =>
Mg(OH)2 + 2 CH3COOH = Mg(CH3CO2)2 + 2 H2O
C8H14 + H2O = CO + H2 =>
C8H14 + 8 H2O = 8 CO + 15 H2
CaS + Mg3(PO4)2 = Ca3(PO4)2 + MgS =>
3 CaS + Mg3(PO4)2 = Ca3(PO4)2 + 3 MgS
Cl2 + LiI = Cl2I + Li =>
Cl2 + LiI = Cl2I + Li
Mn + CrSO4 = MnSO4 + Cr =>
Mn + CrSO4 = MnSO4 + Cr
CO(OH)2 + HBr = COBr2 + H(OH) =>
CO(OH)2 + 2 HBr = COBr2 + 2 H(OH)
Zn(OH)2 + Ba(OH)2 = Ba[Zn(OH)4] =>
Zn(OH)2 + Ba(OH)2 = Ba[Zn(OH)4]
MgCe2 + K2S = MgS + KCe =>
MgCe2 + K2S = MgS + 2 KCe
FeCl2 + Cl3 = Fe2Cl34 =>
2 FeCl2 + 10 Cl3 = Fe2Cl34
KCH3COO + H2O = KOH + CH3COOH =>
KCH3COO + H2O = KOH + CH3COOH
C6H6 + CH5 = C6H5CH3 =>
9 C6H6 + 2 CH5 = 8 C6H5CH3
Al(NO3)3 + K2S + H2O = Al(OH)3 + H2S + KNO3 =>
2 Al(NO3)3 + 3 K2S + 6 H2O = 2 Al(OH)3 + 3 H2S + 6 KNO3
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
Na(NO3)2 + Pb = Na + Pb(NO3)2 =>
Na(NO3)2 + Pb = Na + Pb(NO3)2
PbO + KOH = Pb(OH)2 + K2O =>
PbO + 2 KOH = Pb(OH)2 + K2O
ZcO + H2SO4 = ZcSO4 + H2O =>
ZcO + H2SO4 = ZcSO4 + H2O
OH{-} + S2O4{2-} + CrO4{2-} = SO3{2-} + Cr(OH)3 + e =>
3 OH{-} + 2 S2O4{2-} + CrO4{2-} = 4 SO3{2-} + Cr(OH)3 + e
HI + Hg(NO3)2 = HgI2 + HNO3 =>
2 HI + Hg(NO3)2 = HgI2 + 2 HNO3
K2Cr2O7 + H2C2O4*2H2O = K[Cr(C2O4)2]*H2O + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4*2H2O = 2 K[Cr(C2O4)2]*H2O + 19 H2O + 6 CO2
NH3 + HClO3 = ClO3{-} + NH4{+} =>
NH3 + HClO3 = ClO3{-} + NH4{+}
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