| Équations équilibrées la veille |
2 Ag + H2SO4 = H2 + Ag2SO4
Sb2S2 + Fe = Sb + FeS =>
Sb2S2 + 2 Fe = 2 Sb + 2 FeS
ZnOH + HN = ZnN + H2O =>
ZnOH + HN = ZnN + H2O
FeCl3(aq) + NH4OH(aq) = Fe(OH)3(s) + NH4Cl =>
FeCl3(aq) + 3 NH4OH(aq) = Fe(OH)3(s) + 3 NH4Cl
H3O{+} + S{2-} = H2S + H2O =>
2 H3O{+} + S{2-} = H2S + 2 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
CO2 + H2O = C6H12C6 + O3 =>
12 CO2 + 6 H2O = C6H12C6 + 10 O3
Cl2 + HBr = Cl2Br + H2 =>
2 Cl2 + 2 HBr = 2 Cl2Br + H2
CH3COONa + KOH = CH4 + Na2CO3 + K2CO3 =>
2 CH3COONa + 2 KOH = 2 CH4 + Na2CO3 + K2CO3
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
KCl + KMnO4 + H2SO4 = K2SO4 + Cl2 + MnSO4 + H2O =>
10 KCl + 2 KMnO4 + 8 H2SO4 = 6 K2SO4 + 5 Cl2 + 2 MnSO4 + 8 H2O
CaCl2 + AlP = Ca3P2 + AlCl3 =>
3 CaCl2 + 2 AlP = Ca3P2 + 2 AlCl3
ZnSO4 + H2S = ZnS + H2SO4 =>
ZnSO4 + H2S = ZnS + H2SO4
Pb + CuF2 = Cu + PbF2 =>
Pb + CuF2 = Cu + PbF2
F2 + K2S = SF2 + K =>
F2 + K2S = SF2 + 2 K
KBr + KCl + K2Cr2O7 + H2O = Br2 + CrCl3 + KOH =>
6 KBr + 6 KCl + K2Cr2O7 + 7 H2O = 3 Br2 + 2 CrCl3 + 14 KOH
C36H24F12FeN6P2 + O2 = HF + H3PO4 + C36H20F11FeN6P =>
C36H24F12FeN6P2 + 2 O2 = HF + H3PO4 + C36H20F11FeN6P
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Na2SO4(aq) + CaCO3(aq) = Na2CO3(aq) + CaSO4(aq) =>
Na2SO4(aq) + CaCO3(aq) = Na2CO3(aq) + CaSO4(aq)
HCl + TiO2 = TiCl4 + H2O =>
4 HCl + TiO2 = TiCl4 + 2 H2O
Al + Cu{2}{+} = Al{3}{+} + Cu =>
2 Al + 3 Cu{2}{+} = 2 Al{3}{+} + 3 Cu
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Sr(NO3)2 + Al(NO3)3 + (NH2)2CO = Sr3Al2O6 + H2O + CO2 + N2 =>
3 Sr(NO3)2 + 2 Al(NO3)3 + 10(NH2)2CO = Sr3Al2O6 + 20 H2O + 10 CO2 + 16 N2
ZrOCl2 + NH4OH + H2O = Zr(OH)4 + NH4Cl =>
ZrOCl2 + 2 NH4OH + H2O = Zr(OH)4 + 2 NH4Cl
C2H3O2 = C2H2O + OH =>
C2H3O2 = C2H2O + OH
Cu2(CO)3(OH)2 + H2O = CuO + CO2 + H2 =>
Cu2(CO)3(OH)2 + 3 H2O = 2 CuO + 3 CO2 + 4 H2
C + H2 + Cl2 = C2H3Cl =>
4 C + 3 H2 + Cl2 = 2 C2H3Cl
NaBr + KMnO4 + H2SO4 = Br + MnSO4 + K2SO4 + Na2SO4 + H2O =>
10 NaBr + 2 KMnO4 + 8 H2SO4 = 10 Br + 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O
KCl(aq) + PbC2H3O2(aq) = KC2H3O2(aq) + PbCl(s) =>
KCl(aq) + PbC2H3O2(aq) = KC2H3O2(aq) + PbCl(s)
KMnO4 + NaHSO3 + H2SO4 = H2O + K2SO4 + MnSO4 + Na2SO4 =>
4 KMnO4 + 10 NaHSO3 + H2SO4 = 6 H2O + 2 K2SO4 + 4 MnSO4 + 5 Na2SO4
C6H8O7 + NaClO2 = C6H5Na3O7 + HClO2 =>
C6H8O7 + 3 NaClO2 = C6H5Na3O7 + 3 HClO2
CuS + Fe2(SO4)3 = CuSO4 + FeS2 + Cu12S =>
45 CuS + 11 Fe2(SO4)3 = 33 CuSO4 + 22 FeS2 + Cu12S
H(NO3) + NaOH = NaNO3 + H2O =>
H(NO3) + NaOH = NaNO3 + H2O
HCl(aq) + Ba(OH)2(aq) = BaCl(s) + H(OH)2(l) =>
HCl(aq) + Ba(OH)2(aq) = BaCl(s) + H(OH)2(l)
Li + CO2 + H2O = LiHCO3 + H2 =>
2 Li + 2 CO2 + 2 H2O = 2 LiHCO3 + H2
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
Na3AsO3 + KBrO3 + HCl = NaCl + KBr + H3AsO4 =>
3 Na3AsO3 + KBrO3 + 9 HCl = 9 NaCl + KBr + 3 H3AsO4
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
K2(CO3) + H3PO4 = K3PO4 + H2O + CO2 =>
3 K2(CO3) + 2 H3PO4 = 2 K3PO4 + 3 H2O + 3 CO2
CO{2-} + H2SO4 = CSO4{2-} + H2O =>
CO{2-} + H2SO4 = CSO4{2-} + H2O
P4 + O2(g) = P4O10(s) =>
P4 + 5 O2(g) = P4O10(s)
H3AsO4 + NO = As + HNO3 + H2O =>
3 H3AsO4 + 5 NO = 3 As + 5 HNO3 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaOH + C3H3N3H3 + H2O = NaH2C3N3O3 + H2 =>
2 NaOH + 2 C3H3N3H3 + 4 H2O = 2 NaH2C3N3O3 + 9 H2
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COOH + H2O =>
3 CH3CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2COOH + 11 H2O
C3H6O + PCl5 = C3H6Cl2 + POCl3 =>
C3H6O + PCl5 = C3H6Cl2 + POCl3
Na2SO4 + AgNO3(aq) = NaNO3 + Ag2SO4 =>
Na2SO4 + 2 AgNO3(aq) = 2 NaNO3 + Ag2SO4
CaCl2 + HCl = Ca + Cl2HCl =>
CaCl2 + HCl = Ca + Cl2HCl
XNaCl + XPb(NO3)2 = XNaNO3 + XPbCl2 =>
2 XNaCl + XPb(NO3)2 = 2 XNaNO3 + XPbCl2
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