| Équations équilibrées la veille |
Pb(NO3)2 + (NH4)2S = PbS + 2 NH4NO3
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
BaCl2 + KIO3 = Ba(IO3)2 + KCl =>
BaCl2 + 2 KIO3 = Ba(IO3)2 + 2 KCl
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H(OH) =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H(OH)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C + O = CO =>
C + O = CO
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
K2S + CuCl2 = CuS + KCl =>
K2S + CuCl2 = CuS + 2 KCl
H2Se + K2CrO4 + HBr = CrBr3 + Se7 + KBr + H2O =>
21 H2Se + 14 K2CrO4 + 70 HBr = 14 CrBr3 + 3 Se7 + 28 KBr + 56 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCl + KMnO4 = H2O + KCl + MnCl2 + Cl2 =>
16 HCl + 2 KMnO4 = 8 H2O + 2 KCl + 2 MnCl2 + 5 Cl2
NH4OH = H2O + NH3 =>
NH4OH = H2O + NH3
B2O3 + C = B4C3 + CO2 =>
2 B2O3 + 6 C = B4C3 + 3 CO2
S2O8{-2} + C6HCl5 + H2O = SO4{-2} + Cl{-} + H{+} + CO2 =>
10 S2O8{-2} + C6HCl5 + 12 H2O = 20 SO4{-2} + 5 Cl{-} + 25 H{+} + 6 CO2
Fe(NO3)2 + H2SO4 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
9 Fe(NO3)2 + 6 H2SO4 = 5 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 NO + 6 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Zn(NO3)2 + Cu + H2SO4 = ZnSO4 + CuSO4 + NO + H2O =>
Zn(NO3)2 + 3 Cu + 4 H2SO4 = ZnSO4 + 3 CuSO4 + 2 NO + 4 H2O
C2H2 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnO2 + H2O =>
3 C2H2 + 10 KMnO4 + 5 H2SO4 = 6 CO2 + 5 K2SO4 + 10 MnO2 + 8 H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
BaSO4 + MgCl2 = BaCl2 + MgSO4 =>
BaSO4 + MgCl2 = BaCl2 + MgSO4
AlCl3 + Na2SO4 = Al2(SO4)3 + NaCl =>
2 AlCl3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaOH + C6H8O7 + CH4N2O + CH3OH = C19H17N4NaO8 + H2O =>
NaOH + 2 C6H8O7 + 2 CH4N2O + 5 CH3OH = C19H17N4NaO8 + 14 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
BaO + CO3 = BaCO4 =>
BaO + CO3 = BaCO4
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
Li + Sn2SO4 = Li8SO4 + Sn =>
8 Li + Sn2SO4 = Li8SO4 + 2 Sn
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
H2O(l) = H2(g) + O2(g) =>
2 H2O(l) = 2 H2(g) + O2(g)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CrCl3 + Li2CO3 = Cr2(CO3)3 + LiCl =>
2 CrCl3 + 3 Li2CO3 = Cr2(CO3)3 + 6 LiCl
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Ca3(PO4)2 + K2CO3 = CaCO3 + K3PO4 =>
Ca3(PO4)2 + 3 K2CO3 = 3 CaCO3 + 2 K3PO4
Cu + AgNBaCO3 = Cu(NBaCO3)2 + Ag =>
Cu + 2 AgNBaCO3 = Cu(NBaCO3)2 + 2 Ag
Fe{3+} + NCS{-} = FeNCS{+2} =>
Fe{3+} + NCS{-} = FeNCS{+2}
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
CH3CCH + KMnO4 + HCl = CO2 + KCl + MnCl2 + H2O =>
5 CH3CCH + 16 KMnO4 + 48 HCl = 15 CO2 + 16 KCl + 16 MnCl2 + 34 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
MnI2 + F2 = MnF3 + IF5 =>
2 MnI2 + 13 F2 = 2 MnF3 + 4 IF5
HNO3 + P4O10 = N2O5 + H3PO4 =>
12 HNO3 + P4O10 = 6 N2O5 + 4 H3PO4
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2SO4 + H2SO4 = Na2(SO4)2 + H2 =>
Na2SO4 + H2SO4 = Na2(SO4)2 + H2
Mo + F2 = MoF6 =>
Mo + 3 F2 = MoF6
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
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Équations équilibrées sur01/01/25
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