Équations équilibrées la veille |
2 Li + 2 H2O = 2 LiOH + H2
N2O2 = N2 + NO2 =>
2 N2O2 = N2 + 2 NO2
Zn + H2SO4 + NaOH = ZnSO4 + Na + H2O =>
Zn + H2SO4 + 2 NaOH = ZnSO4 + 2 Na + 2 H2O
CH2Cl2 + O2 = CO2 + H2O + Cl2 =>
2 CH2Cl2 + 3 O2 = 2 CO2 + 2 H2O + 2 Cl2
C7H6O3 + H2O = C0H8O4 =>
C7H6O3 + 25 H2O = 7 C0H8O4
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Mg(s) + H2SO4(aq) = MgSO4(aq) + H2(g) =>
Mg(s) + H2SO4(aq) = MgSO4(aq) + H2(g)
Na3PO4 + CaH = NaH + Ca3PO4 =>
Na3PO4 + 3 CaH = 3 NaH + Ca3PO4
C + HNO3 = C(NO3)2 + NO + H2O =>
3 C + 8 HNO3 = 3 C(NO3)2 + 2 NO + 4 H2O
Sn + Hg(NO3)2 = Sn(NO3)4 + Hg =>
Sn + 2 Hg(NO3)2 = Sn(NO3)4 + 2 Hg
Br(g) + HCl(aq) = Br2H(aq) + Br2Cl(aq) =>
4 Br(g) + HCl(aq) = Br2H(aq) + Br2Cl(aq)
CH3CH2CH3 + O2 = CH3COOH + H2O =>
2 CH3CH2CH3 + 4 O2 = 3 CH3COOH + 2 H2O
CoCl2 + NH4SCN = [Co(SCN)2] + NH4 + Cl =>
CoCl2 + 2 NH4SCN = [Co(SCN)2] + 2 NH4 + 2 Cl
C6H8O2 + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
9 C6H8O2 + 42 NaHCO3 = 14 Na3C6H5O7 + 22 H2O + 12 CO2
H3O2 = H + O2 =>
H3O2 = 3 H + O2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Pb + N2 = Pb3N4 =>
3 Pb + 2 N2 = Pb3N4
ReCl5 + H2O = Re2Cl9{-} + ReO4{-} + Cl{-} + H{+} =>
3 ReCl5 + 4 H2O = Re2Cl9{-} + ReO4{-} + 6 Cl{-} + 8 H{+}
NiBr2 + KOH = Ni(OH)2 + Br2K2 =>
NiBr2 + 2 KOH = Ni(OH)2 + Br2K2
SO2 + I2 = SO2I2 =>
SO2 + I2 = SO2I2
H2O + P = PO4{-3} + H{+} + e =>
4 H2O + P = PO4{-3} + 8 H{+} + 5e
NaHCO3 + Pb(NO3)2 = NaNO3 + Pb(HCO3)2 =>
2 NaHCO3 + Pb(NO3)2 = 2 NaNO3 + Pb(HCO3)2
Fe + CuCl2H2O = FeCl2 + Cu + H2O =>
Fe + CuCl2H2O = FeCl2 + Cu + H2O
Br2 + MnO4 = Br2O2 + Mn =>
2 Br2 + MnO4 = 2 Br2O2 + Mn
Sn(NO3)2 + C6H12O6 = SnO + H2O + CO2 + N2 =>
12 Sn(NO3)2 + 5 C6H12O6 = 12 SnO + 30 H2O + 30 CO2 + 12 N2
C2H6(g) + O2(g) = CO2(g) + H2O(v) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(v)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
O2 + CrCl3 + NaOH = Na2CrO4 + NaCl + H2O =>
3 O2 + 4 CrCl3 + 20 NaOH = 4 Na2CrO4 + 12 NaCl + 10 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Fe2(SO4)3 + Ba(OH)2 = Fe(OH)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaSO4
H2CO3 + NH3 = HCO3 + NH5 =>
2 H2CO3 + NH3 = 2 HCO3 + NH5
KBr + Cl2 + KOH = KCl + H2O + KBrO3 =>
KBr + 3 Cl2 + 6 KOH = 6 KCl + 3 H2O + KBrO3
U{+2} + O3{-2} = UO3 =>
U{+2} + O3{-2} = UO3
Ge + N = GeN =>
Ge + N = GeN
K3[Al(OH)6] = KOH + Al(OH)3 =>
K3[Al(OH)6] = 3 KOH + Al(OH)3
Mn2O7 = MnO2 + O3 =>
Mn2O7 = 2 MnO2 + O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaO + H2SO4 + H2O = CaSO4*2H2O =>
CaO + H2SO4 + H2O = CaSO4*2H2O
HNO3 + Ba2OH = H2O + Ba2NO3 =>
HNO3 + Ba2OH = H2O + Ba2NO3
KNO3 + KI + H2SO4 = I2 + NO2 + K2SO4 + H2O =>
2 KNO3 + 2 KI + 2 H2SO4 = I2 + 2 NO2 + 2 K2SO4 + 2 H2O
Pb(C2H3O2)2 + HCl = PbCl2 + C2H4O2 =>
Pb(C2H3O2)2 + 2 HCl = PbCl2 + 2 C2H4O2
AgNO3 + NaI = IAg + NaNO3 =>
AgNO3 + NaI = IAg + NaNO3
Li + CuS = Li2S + Cu =>
2 Li + CuS = Li2S + Cu
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Fe3(PO4)2 + BaCl2 = Ba3(PO4)2 + FeCl2 =>
Fe3(PO4)2 + 3 BaCl2 = Ba3(PO4)2 + 3 FeCl2
H2SO4 + CaCl2 = CaH2 + SO4Cl2 =>
H2SO4 + CaCl2 = CaH2 + SO4Cl2
C3H8O3 + CU(OH)2 = C3H6O3CU + H2O =>
C3H8O3 + CU(OH)2 = C3H6O3CU + 2 H2O
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
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