| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 C2H5CHO + K2Cr2O7 + 4 H2SO4 = 3 C2H5COOH + Cr2(SO4)3 + K2SO4 + 4 H2O
Br(l) + KI(aq) = I2(aq) + KBr(aq) =>
2 Br(l) + 2 KI(aq) = I2(aq) + 2 KBr(aq)
BaSO4 + Ca(OH)2 = Ba(OH)2 + CaSO4 =>
BaSO4 + Ca(OH)2 = Ba(OH)2 + CaSO4
NaSiO3HCl = NaClHSiO3 =>
NaSiO3HCl = NaClHSiO3
BaHO2(aq) + H2SO4(aq) = H2O + Ba + SO4 =>
2 BaHO2(aq) + 3 H2SO4(aq) = 4 H2O + 2 Ba + 3 SO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cu2H2 + HCl = Cu2Cl2 + H2 =>
Cu2H2 + 2 HCl = Cu2Cl2 + 2 H2
CuCl2 + AgNO3 = AgCl + Cu(NO3)2 =>
CuCl2 + 2 AgNO3 = 2 AgCl + Cu(NO3)2
Na2ZnO2 = Na + Zn + O2 =>
Na2ZnO2 = 2 Na + Zn + O2
NH3 + HCIO4 = NCIO4 + H2 =>
NH3 + HCIO4 = NCIO4 + 2 H2
Fe + ClO4 = FeClO4 =>
Fe + ClO4 = FeClO4
Pb(ClO3)4 = Pb + Cl2 + O =>
Pb(ClO3)4 = Pb + 2 Cl2 + 12 O
Cd(MnO4)2 + H2O = H2MnO4 + Cd(OH)4 =>
Cd(MnO4)2 + 4 H2O = 2 H2MnO4 + Cd(OH)4
MgO2 + Al = AlO2 + Mg =>
MgO2 + Al = AlO2 + Mg
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
(CH3COO)2C2H2 + NaOH = (CH3COONa)2 + CH3CHO + CHOCHO =>
2(CH3COO)2C2H2 + 2 NaOH = (CH3COONa)2 + 2 CH3CHO + 2 CHOCHO
NaOH + (NH4)2CO3 = H2O + NH3(g) + Na2CO3 =>
2 NaOH + (NH4)2CO3 = 2 H2O + 2 NH3(g) + Na2CO3
NH4I + Ca(OH)2 = CaI2 + H2O + NH3 =>
2 NH4I + Ca(OH)2 = CaI2 + 2 H2O + 2 NH3
KSCN + H2Cr2O7 + K2Cr2 = CO2 + NO2 + Cr2O3 + K2SO4 + H2O =>
6 KSCN + 19 H2Cr2O7 + 3 K2Cr2 = 6 CO2 + 6 NO2 + 22 Cr2O3 + 6 K2SO4 + 19 H2O
Ca3(PO4)2(s) + SiO2(s) + C(s) = CO(g) + CaSiO3(s) + P4(s) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) + 10 C(s) = 10 CO(g) + 6 CaSiO3(s) + P4(s)
PbBr4 + H2O = PbO2 + HBr =>
PbBr4 + 2 H2O = PbO2 + 4 HBr
CaCl2 + Cs3PO4 = Cs + Cl2 + CaPO4 =>
CaCl2 + Cs3PO4 = 3 Cs + Cl2 + CaPO4
K2S2O3 + H2SO4 = H2S2O3 + K2SO4 =>
K2S2O3 + H2SO4 = H2S2O3 + K2SO4
Fe + H2SO4 = (Fe3)2SO4 + SO2 + H2O =>
6 Fe + 2 H2SO4 = (Fe3)2SO4 + SO2 + 2 H2O
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
CH4 + SiO3 = CH3 + SiO2 + OH =>
CH4 + SiO3 = CH3 + SiO2 + OH
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Cr2O7{2-} + I{-} + H{+} = Cr{-} + I2 + H2O =>
Cr2O7{2-} + 14 I{-} + 14 H{+} = 2 Cr{-} + 7 I2 + 7 H2O
HCl + K2CrO4 = CrCl3 + KCl + Cl2 + H2O =>
16 HCl + 2 K2CrO4 = 2 CrCl3 + 4 KCl + 3 Cl2 + 8 H2O
CH2O + CuSO4 + NaOH = HCOOH + Cu2O + Na2SO4 + H2O =>
CH2O + 2 CuSO4 + 4 NaOH = HCOOH + Cu2O + 2 Na2SO4 + 2 H2O
C3H6O + Cl = C3H5OCl + ClH =>
C3H6O + 2 Cl = C3H5OCl + ClH
CH3COOH + ZnS = H2S + Zn(C2H3O2)2 =>
2 CH3COOH + ZnS = H2S + Zn(C2H3O2)2
CH3COOH + C2H5OH = CH3COOC2H5 + HOH =>
CH3COOH + C2H5OH = CH3COOC2H5 + HOH
HPO2 + Sr(OH)2 = Sr(PO2)2 + H2O =>
2 HPO2 + Sr(OH)2 = Sr(PO2)2 + 2 H2O
CH10O2 + O2 = CO2 + H2O =>
2 CH10O2 + 5 O2 = 2 CO2 + 10 H2O
(H)2SO4 + NaOH = (Na)2SO4 + H2O =>
(H)2SO4 + 2 NaOH = (Na)2SO4 + 2 H2O
Li + Cu2PO4 = LiPO4 + Cu =>
Li + Cu2PO4 = LiPO4 + 2 Cu
NaTeO3 + NaI + HCl = NaCl + Te2 + I2 + H2O =>
2 NaTeO3 + 10 NaI + 12 HCl = 12 NaCl + Te2 + 5 I2 + 6 H2O
C2H2Br2 + Br2 = C2HBr2 + HBr =>
2 C2H2Br2 + Br2 = 2 C2HBr2 + 2 HBr
Al + KOH = K + KAlO2 + H2 =>
Al + 2 KOH = K + KAlO2 + H2
Ca + NH4 = Ca(NH4)2 =>
Ca + 2 NH4 = Ca(NH4)2
Hg + OH = Hg(OH) =>
Hg + OH = Hg(OH)
Al + MgO2 = Mg + Al2O3 =>
4 Al + 3 MgO2 = 3 Mg + 2 Al2O3
Ba(OH)2*8H2O + NH4SCN = Ba(SCN)2 + H2O(l) + NH3 =>
Ba(OH)2*8H2O + 2 NH4SCN = Ba(SCN)2 + 10 H2O(l) + 2 NH3
RbOH + KCl = KOH + RbCl =>
RbOH + KCl = KOH + RbCl
LiPPh2 + H2O = Ph2PH + LiOH =>
LiPPh2 + H2O = Ph2PH + LiOH
CuCl2 + H2O = Cu(OH)2 + ClH =>
CuCl2 + 2 H2O = Cu(OH)2 + 2 ClH
Mg(s) + HPO4 = H2(g) + Mg3(PO4)2(s) =>
3 Mg(s) + 2 HPO4 = H2(g) + Mg3(PO4)2(s)
S + H2O + Ni = H2S + Ni(OH)2 =>
S + 2 H2O + Ni = H2S + Ni(OH)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/20/24
Équations équilibrées sur01/19/24
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