| Équations équilibrées la veille | Équations équilibrées le lendemain |
MnO2(s) + 2 HCl(aq) + H2SO4(aq) = MnSO4(aq) + Cl2(g) + 2 H2O(l)
NaClO + CH3COCH3 = CHCl3 + NaOH + NaCH3COO =>
3 NaClO + CH3COCH3 = CHCl3 + 2 NaOH + NaCH3COO
Cr + PbF2 = CrF2 + Pb =>
Cr + PbF2 = CrF2 + Pb
NaCl + K2Cr2O7 + H2SO4 = CrCl2O2 + K2SO4 + Na2SO4 + H2O =>
4 NaCl + K2Cr2O7 + 3 H2SO4 = 2 CrCl2O2 + K2SO4 + 2 Na2SO4 + 3 H2O
AgCl + KCN = KCl + K[Ag(CN)2] =>
AgCl + 2 KCN = KCl + K[Ag(CN)2]
KClO3 = KClO4 + KCl = KCl + O2 =>
4 KClO3 = 3 KClO4 + KCl
NH3 + O2 = H2O + HN =>
2 NH3 + O2 = 2 H2O + 2 HN
AsH3 + Ag{+} + H2O = H3AsO4 + Ag + H{+} =>
AsH3 + 8 Ag{+} + 4 H2O = H3AsO4 + 8 Ag + 8 H{+}
Cu + CuO2 + HCl = CuCl2 + H2O =>
Cu + CuO2 + 4 HCl = 2 CuCl2 + 2 H2O
MgSO4 + Na3PO4 = Mg3(PO4)2 + Na2SO4 =>
3 MgSO4 + 2 Na3PO4 = Mg3(PO4)2 + 3 Na2SO4
Na2Cr2O7 + Pb(NO3)2 = Na2(NO3)2 + PbCr2O7 =>
Na2Cr2O7 + Pb(NO3)2 = Na2(NO3)2 + PbCr2O7
Hg(No3)2 + Pb = Pb(No3)2 + Hg =>
Hg(No3)2 + Pb = Pb(No3)2 + Hg
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = KFe(C2O4)2*2H2O + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2*6H2O + 3 H2C2O4 + K2C2O4 + H2O2 = 2 KFe(C2O4)2*2H2O + 2(NH4)2SO4 + 2 H2SO4 + 10 H2O
NH4O3 = N2 + O2 + H2O =>
2 NH4O3 = N2 + O2 + 4 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Al2(SO4)3 + NH4OH = Al2(OH) + (SO4)3NH4 =>
Al2(SO4)3 + NH4OH = Al2(OH) + (SO4)3NH4
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Al(s) + KOH(aq) + H2O(l) = KAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 6 H2O(l) = 2 KAl(OH)4(aq) + 3 H2(g)
Fe(SCN)3 + K2O = KSCN + Fe2O3 =>
2 Fe(SCN)3 + 3 K2O = 6 KSCN + Fe2O3
Na2O2 + O2 = Na2O3 =>
2 Na2O2 + O2 = 2 Na2O3
NaBr + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
6 NaBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 3 Na2SO4 + K2SO4 + 7 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Magnesium + O2 = magnesiumoxide =>
2 Mg + O2 = 2 MgO
CaClO3(s) = CaClO2(s) + O2(g) =>
2 CaClO3(s) = 2 CaClO2(s) + O2(g)
SO2(g) + H2O(l) = H2SO3(ac) =>
SO2(g) + H2O(l) = H2SO3(ac)
C3H8(l) + O2 = CO2(g) + H2O(g) =>
C3H8(l) + 5 O2 = 3 CO2(g) + 4 H2O(g)
SnO + NaOH + H2O = Na[Sn(OH)3] =>
SnO + NaOH + H2O = Na[Sn(OH)3]
NaClO + CH3COCH3 = CHCl3 + NaOH + NaC2H3O2 =>
3 NaClO + CH3COCH3 = CHCl3 + 2 NaOH + NaC2H3O2
H2SO4 + [(CaF)Ca4(PO4)3] + H2O = [(CaH4)(PO4)2(H2O)] + CaSO4 + HF =>
7 H2SO4 + 2[(CaF)Ca4(PO4)3] + 3 H2O = 3[(CaH4)(PO4)2(H2O)] + 7 CaSO4 + 2 HF
KNO3 + NiCl2 = KCl + Ni(NO3)2 =>
2 KNO3 + NiCl2 = 2 KCl + Ni(NO3)2
KOH + CH3OOH = H2O + KCH3COO =>
KOH + 2 CH3OOH = 3 H2O + KCH3COO
CH3COOK + KOH = K2CO3 + CH4 =>
CH3COOK + KOH = K2CO3 + CH4
CaCl + LiOH = CaOH + LiCl =>
CaCl + LiOH = CaOH + LiCl
K2Cr2O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + KHSO4 =>
K2Cr2O7 + 5 H2SO4 + 3 CH3CH2OH = Cr2(SO4)3 + 7 H2O + 3 CH3CHO + 2 KHSO4
CH3COOH + Cu(OH)2 = Cu(CH3COO)2 + H2O =>
2 CH3COOH + Cu(OH)2 = Cu(CH3COO)2 + 2 H2O
F2 + Al4C3 = AlF3 + C =>
6 F2 + Al4C3 = 4 AlF3 + 3 C
Cr2O7{2-} + H{+} + C2H5OH = Cr{3+} + H2O + CH3COOH =>
2 Cr2O7{2-} + 16 H{+} + 3 C2H5OH = 4 Cr{3+} + 11 H2O + 3 CH3COOH
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
C6H18O + O2 = CO2 + H =>
2 C6H18O + 11 O2 = 12 CO2 + 36 H
KNO3 + C3H8O = CO2 + H2O + NO + K2O =>
6 KNO3 + C3H8O = 3 CO2 + 4 H2O + 6 NO + 3 K2O
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
K2Cr2O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH = Cr2(SO4)3 + 7 H2O + 3 CH3CHO + K2SO4
Na2SO4 + FeSi + H2O = Na2SiO3 + FeSO4 + H2 =>
Na2SO4 + FeSi + 3 H2O = Na2SiO3 + FeSO4 + 3 H2
Mg{2+} + HCl = MgCl{2+} + H2 =>
2 Mg{2+} + 2 HCl = 2 MgCl{2+} + H2
Fe + O2 + KOH = K2FeO4 + H2O =>
2 Fe + 3 O2 + 4 KOH = 2 K2FeO4 + 2 H2O
CuCl2*2H2O2 + Al + HCl = Cu + AlCl3 + H3O =>
3 CuCl2*2H2O2 + 10 Al + 24 HCl = 3 Cu + 10 AlCl3 + 12 H3O
UO2(CH3COO)2 + O2 = U3O8 + CO2 + H2O =>
6 UO2(CH3COO)2 + 23 O2 = 2 U3O8 + 24 CO2 + 18 H2O
Fe + O20 = Fe2O3 =>
40 Fe + 3 O20 = 20 Fe2O3
NaClO + CH3COCH3 = CHCl3 + CH3COONa + NaOH =>
3 NaClO + CH3COCH3 = CHCl3 + CH3COONa + 2 NaOH
ClO3{-} + Mn{2+} + H2O = Cl2 + MnO2 + H{+} =>
2 ClO3{-} + 5 Mn{2+} + 4 H2O = Cl2 + 5 MnO2 + 8 H{+}
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Équations équilibrées sur01/15/25
Équations équilibrées sur02/14/24
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