Équations équilibrées la veille |
2 H2 + O2 = 2 H2O
H2S(g) = H2(g) + S(s) =>
H2S(g) = H2(g) + S(s)
Hf + Fe3O4 = HfO2 + Fe =>
2 Hf + Fe3O4 = 2 HfO2 + 3 Fe
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cr2(SO4)3 + Mg(OH)2 = Mg(SO4) + Cr(OH)3 =>
Cr2(SO4)3 + 3 Mg(OH)2 = 3 Mg(SO4) + 2 Cr(OH)3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Cu3N = Cu + N =>
Cu3N = 3 Cu + N
CH3Br + Br2 = C2H4Br2 + HBr =>
2 CH3Br + Br2 = C2H4Br2 + 2 HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
M3O4 + FeSO4 + NaHSO4 = Fe2(SO4)3 + MSO4 + Na2SO4 + H2O =>
M3O4 + 2 FeSO4 + 8 NaHSO4 = Fe2(SO4)3 + 3 MSO4 + 4 Na2SO4 + 4 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NaH2PO4 + AgNO3 = AgH2PO4 + NaNO3 =>
NaH2PO4 + AgNO3 = AgH2PO4 + NaNO3
C4H8O2 + Mg(OH)2 = C8H14MgO4 + H2O =>
2 C4H8O2 + Mg(OH)2 = C8H14MgO4 + 2 H2O
AgNO3 + Na2(CO3) = Ag2(CO3) + NaNO3 =>
2 AgNO3 + Na2(CO3) = Ag2(CO3) + 2 NaNO3
Hg(NO3)2 + HgCl2 = Hg + Cl2(NO3)2 =>
Hg(NO3)2 + HgCl2 = 2 Hg + Cl2(NO3)2
S8 + NaOH = Na2S4 + Na2S2O3 + H2O =>
5 S8 + 24 NaOH = 8 Na2S4 + 4 Na2S2O3 + 12 H2O
FeCl2 + Na2PO4 = FePO4 + NaCl =>
FeCl2 + Na2PO4 = FePO4 + 2 NaCl
Pt(CO3)2 + FeCl2 = PtCl2 + Fe(CO3)2 =>
Pt(CO3)2 + FeCl2 = PtCl2 + Fe(CO3)2
CH3Br + Br2 = C2H4Br2 + HBr =>
2 CH3Br + Br2 = C2H4Br2 + 2 HBr
K2Cr2O7 + (NH4)2S + H2O = Cr(OH)3 + S + KOH + NH3OH =>
2 K2Cr2O7 + 3(NH4)2S + 8 H2O = 4 Cr(OH)3 + 3 S + 4 KOH + 6 NH3OH
Fe + H3PO4 = Fe3(PO4)3 + H3 =>
3 Fe + 3 H3PO4 = Fe3(PO4)3 + 3 H3
NaOH + Al = Na + Al(OH)2 =>
2 NaOH + Al = 2 Na + Al(OH)2
C9H20 + Cl2 = H20Cl2 + C9 =>
C9H20 + Cl2 = H20Cl2 + C9
AgNO3 + Ca(OH)2 = AgOH + Ca(NO3)2 =>
2 AgNO3 + Ca(OH)2 = 2 AgOH + Ca(NO3)2
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
Ca3N2 + H2O = Ca(OH)2 + H3N =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 H3N
NaIO3 + SO + H2O = NaHSO4 + H2SO4 + I2 =>
4 NaIO3 + 5 SO + 3 H2O = 4 NaHSO4 + H2SO4 + 2 I2
Cr2(C2O4)3 + Pb(NO3)2 = Cr(NO3)3 + PbC2O4 =>
Cr2(C2O4)3 + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 PbC2O4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + H3O{+} = Al{3+} + H2 + H2O =>
2 Al + 6 H3O{+} = 2 Al{3+} + 3 H2 + 6 H2O
B + H2SO4 = H3BO3 + SO2 =>
2 B + 3 H2SO4 = 2 H3BO3 + 3 SO2
Zn + KOH = Zn(OH) + K =>
Zn + KOH = Zn(OH) + K
Ag{+} + NH4OH = (Ag(NH3)2){+} + H2O =>
Ag{+} + 2 NH4OH = (Ag(NH3)2){+} + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3Br + Br2 = C2H4Br2 + HBr =>
2 CH3Br + Br2 = C2H4Br2 + 2 HBr
Br2 + NaCl = BrCl + Na =>
Br2 + 2 NaCl = 2 BrCl + 2 Na
B + H2SO4 = H3BO3 + SO2 =>
2 B + 3 H2SO4 = 2 H3BO3 + 3 SO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaAl + Si2O7 = NaAlSi2O7 =>
NaAl + Si2O7 = NaAlSi2O7
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
NaNO2 + H2CO3 = Na2CO3 + HNO2 =>
2 NaNO2 + H2CO3 = Na2CO3 + 2 HNO2
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Ca(OH)2 + HNO3 + H2O = Ca(NO3)2*4H2O =>
Ca(OH)2 + 2 HNO3 + 2 H2O = Ca(NO3)2*4H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C8H9NO2 = C + H + N + O =>
C8H9NO2 = 8 C + 9 H + N + 2 O
FeCl3 + AgNO4 = AgCl + Fe(NO4)3 =>
FeCl3 + 3 AgNO4 = 3 AgCl + Fe(NO4)3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
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