| Équations équilibrées la veille |
2 Al(s) + 3 H2SO4(g) = Al2(SO4)3(g) + 3 H2(g)
CH3OH + C2H5OH + NaOH = C3H8Na + (OH)2 =>
2 CH3OH + 2 C2H5OH + 2 NaOH = 2 C3H8Na + 3(OH)2
H2O(l) + Na(s) = Na(OH)(l) + H2(g) =>
2 H2O(l) + 2 Na(s) = 2 Na(OH)(l) + H2(g)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Pb + Pb2O4 + H2SO4 = PbSO4H2O =>
2 Pb + Pb2O4 + 4 H2SO4 = 4 PbSO4H2O
Ba + Sn(CrO4)2 = BaCrO4 + Sn =>
2 Ba + Sn(CrO4)2 = 2 BaCrO4 + Sn
H2S + PBO2 = PBS + SO2 + H2O =>
4 H2S + 3 PBO2 = 3 PBS + SO2 + 4 H2O
P4 + F2 = F3P =>
P4 + 6 F2 = 4 F3P
Fe2O23 + CO = Fe + CO2 =>
Fe2O23 + 23 CO = 2 Fe + 23 CO2
Co(NO3)3 + H2O = Co(OH)3 + HNO3 =>
Co(NO3)3 + 3 H2O = Co(OH)3 + 3 HNO3
Al(NO3)3 + NaOH = Na(NO3)3 + AlOH =>
Al(NO3)3 + NaOH = Na(NO3)3 + AlOH
NH3 + O2 = NHO3 + HOH =>
NH3 + 2 O2 = NHO3 + HOH
Ag + H2O = AgH2 + O =>
Ag + H2O = AgH2 + O
Ta3N5 + Ca = Ca3N2 + Ta =>
2 Ta3N5 + 15 Ca = 5 Ca3N2 + 6 Ta
H2O + Al = Al2O3 + H2 =>
3 H2O + 2 Al = Al2O3 + 3 H2
Ba{2+}(aq) + NaOH(aq) = Ba(OH)2(aq) + Na{+}(aq) =>
Ba{2+}(aq) + 2 NaOH(aq) = Ba(OH)2(aq) + 2 Na{+}(aq)
Ni + K2Cr2O7 + H2SO4 = Ni2SO4 + K2SO4 + Cr3SO4 + H2O =>
32 Ni + 3 K2Cr2O7 + 21 H2SO4 = 16 Ni2SO4 + 3 K2SO4 + 2 Cr3SO4 + 21 H2O
P4O6 + Sr(OH)2 = Sr3(PO3)2 + H2O =>
P4O6 + 6 Sr(OH)2 = 2 Sr3(PO3)2 + 6 H2O
Ti + H2O + H2SO4 = TiSO4 + H3O =>
Ti + 2 H2O + H2SO4 = TiSO4 + 2 H3O
Fe + O2 = Fe2O8 =>
2 Fe + 4 O2 = Fe2O8
Li(s) + HCl(aq) = HLiCl =>
Li(s) + HCl(aq) = HLiCl
NaBH4 + I2 + Na2B4O7 = H2O + B2H6 + NaI =>
26 NaBH4 + 14 I2 + Na2B4O7 = 7 H2O + 15 B2H6 + 28 NaI
Al2(SO4)3 + NH3 + H2SO4 = NH4Al(SO4)2 =>
Al2(SO4)3 + 2 NH3 + H2SO4 = 2 NH4Al(SO4)2
NaOH(aq) + HCl(aq) = H2O(l) + NaCl(c) =>
NaOH(aq) + HCl(aq) = H2O(l) + NaCl(c)
Li2 + NaF = LiF + Na2 =>
Li2 + 2 NaF = 2 LiF + Na2
O3 + H16O2C11 = CO2 + H2O =>
28 O3 + 3 H16O2C11 = 33 CO2 + 24 H2O
C4H10 + O2 = (CO2) + H2O =>
2 C4H10 + 13 O2 = 8(CO2) + 10 H2O
H2NH3Po4 + KOH = K2NH3Po4 + H2O =>
H2NH3Po4 + 2 KOH = K2NH3Po4 + 2 H2O
NaBrO + HBr = Br2 + NaBr + H2O =>
NaBrO + 2 HBr = Br2 + NaBr + H2O
Ag2CO3 = Ag + CO2 + O2 =>
2 Ag2CO3 = 4 Ag + 2 CO2 + O2
CuSC + O = CuSO2 + CO2 =>
CuSC + 4 O = CuSO2 + CO2
Na2[Cu(OH)4(H2O)2] + Na2S = CuS + NaOH + H2O =>
Na2[Cu(OH)4(H2O)2] + Na2S = CuS + 4 NaOH + 2 H2O
Ba + H2O = O2 + BaH =>
4 Ba + 2 H2O = O2 + 4 BaH
KNO3 + AgI + NH4OH = NO3OH + AgK + INH4 =>
KNO3 + AgI + NH4OH = NO3OH + AgK + INH4
NaNO3 + H2O = NaOH + HNO3 =>
NaNO3 + H2O = NaOH + HNO3
Y2O3 + Cr2O3 + Ni2O3 = YCr09Ni01O3 + O3 =>
Y2O3 + 9 Cr2O3 + Ni2O3 = 2 YCr09Ni01O3 + 9 O3
NaI + H2SO4 = HINaHSO4 =>
NaI + H2SO4 = HINaHSO4
HNO3 + HgCl = HgNO3 + HCl =>
HNO3 + HgCl = HgNO3 + HCl
K3Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
2 K3Cr2O7 + 5 SnCl2 + 28 HCl = 4 CrCl3 + 5 SnCl4 + 6 KCl + 14 H2O
KOH + Sn(NO3) = SnOH + K(NO3) =>
KOH + Sn(NO3) = SnOH + K(NO3)
Cu + HNO3 = Cu(NO3)3 + NH4NO3 + H2O =>
8 Cu + 30 HNO3 = 8 Cu(NO3)3 + 3 NH4NO3 + 9 H2O
Fe + CuF2 = CuFe + F2 =>
Fe + CuF2 = CuFe + F2
NH4CO + MgSO4 = NH4SO4 + MgCO =>
NH4CO + MgSO4 = NH4SO4 + MgCO
ClO{-} + Br{-} = BrO{-} + Cl{-} =>
ClO{-} + Br{-} = BrO{-} + Cl{-}
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Cr2O7{-2} + H{+} + Fe{+2} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{-2} + 14 H{+} + 6 Fe{+2} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
Al(OH)3 + NaCl = AlCl3 + NaOH =>
Al(OH)3 + 3 NaCl = AlCl3 + 3 NaOH
KOH = H + O2 + K =>
2 KOH = 2 H + O2 + 2 K
Mg(s) + HOH(g) = MgOH(aq) + H2(g) =>
2 Mg(s) + 2 HOH(g) = 2 MgOH(aq) + H2(g)
Au + NaCN + H2O + O2 = AuNa(CN)2 + NaOH =>
4 Au + 8 NaCN + 2 H2O + O2 = 4 AuNa(CN)2 + 4 NaOH
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Équations équilibrées sur12/20/24
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