| Équations équilibrées la veille |
Ca + Mg(No3)2 = Mg + Ca(No3)2
Na + Cl + HOH = NaOH + HCl =>
Na + Cl + HOH = NaOH + HCl
Na9N3 = Na + N2 =>
2 Na9N3 = 18 Na + 3 N2
Ni + NaOH + H2O = Na2[Ni(OH)4] + H2 =>
Ni + 2 NaOH + 2 H2O = Na2[Ni(OH)4] + H2
NH4Br + AgC2H3O2 = AgBr + NH7C2O2 =>
NH4Br + AgC2H3O2 = AgBr + NH7C2O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb(NO3)2 + Zn = Pb + Zn(NO3) =>
Pb(NO3)2 + 2 Zn = Pb + 2 Zn(NO3)
S{-2} + Cr2O7{-2} + H{+} = S + Cr{3} + H2O =>
3 S{-2} + Cr2O7{-2} + 14 H{+} = 3 S + 2 Cr{3} + 7 H2O
Ni + NaOH + H2O = Na[Ni(OH)4] + H2 =>
2 Ni + 2 NaOH + 6 H2O = 2 Na[Ni(OH)4] + 3 H2
Na2CrO4 + H2S + HCl = CrCl3 + NaCl + S + H2O =>
2 Na2CrO4 + 3 H2S + 10 HCl = 2 CrCl3 + 4 NaCl + 3 S + 8 H2O
(NH4)2CO3(aq) + NiCl2(aq) = NiCO3(g) + NH4Cl(aq) =>
(NH4)2CO3(aq) + NiCl2(aq) = NiCO3(g) + 2 NH4Cl(aq)
HCl + Na2S2O3 = S + SO4 + H2O + NaCl =>
4 HCl + 2 Na2S2O3 = 3 S + SO4 + 2 H2O + 4 NaCl
Pb(NO3)2 + NaI = NaNO3 + PbI2 =>
Pb(NO3)2 + 2 NaI = 2 NaNO3 + PbI2
Fe + NaOH = Fe(OH)5 + Na =>
Fe + 5 NaOH = Fe(OH)5 + 5 Na
I{-} + Cl2 + H2O = IO3{-} + Cl{-} + H3O{+} =>
I{-} + 3 Cl2 + 9 H2O = IO3{-} + 6 Cl{-} + 6 H3O{+}
Ni + NaOH + H2O = Na2Ni(OH)4 + H2 =>
Ni + 2 NaOH + 2 H2O = Na2Ni(OH)4 + H2
CH3(CH2)23CH3 + O2 = CO2 + H2O =>
CH3(CH2)23CH3 + 38 O2 = 25 CO2 + 26 H2O
K2Cr2O7 + Na2S + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
4 K2Cr2O7 + 3 Na2S + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 Na2SO4 + 16 H2O
CaCl2 + H2O = Ca(OH)2 + HCl =>
CaCl2 + 2 H2O = Ca(OH)2 + 2 HCl
F2 + MgCl2 = MgF2 + Cl2 =>
F2 + MgCl2 = MgF2 + Cl2
MgCl2 + H2O = MgO + HCl =>
MgCl2 + H2O = MgO + 2 HCl
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
Na2CO3(aq) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) + CO2(g) =>
Na2CO3(aq) + 2 CH3COOH(aq) = 2 NaCH3COO(aq) + H2O(l) + CO2(g)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HOCl3 + HBr = HCl + Br2 + H2O =>
HOCl3 + 4 HBr = 3 HCl + 2 Br2 + H2O
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
CrO3 + C5H10 = Cr2O3 + CO2 + H2O =>
10 CrO3 + C5H10 = 5 Cr2O3 + 5 CO2 + 5 H2O
LiOH(aq) + H3PO4 = H2O + Li3PO4 =>
3 LiOH(aq) + H3PO4 = 3 H2O + Li3PO4
CH2O2(aq) + LiOH(aq) = H2O + CO2 + LiC =>
5 CH2O2(aq) + 2 LiOH(aq) = 6 H2O + 3 CO2 + 2 LiC
Ni + NaOH + H2O = Na2[Ni(OH)4] + H2 =>
Ni + 2 NaOH + 2 H2O = Na2[Ni(OH)4] + H2
Co + NiBr = CoBr2 + Ni =>
Co + 2 NiBr = CoBr2 + 2 Ni
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
LiBr + Pb(CH3COO)2 = LiCH3COO + PbBr2 =>
2 LiBr + Pb(CH3COO)2 = 2 LiCH3COO + PbBr2
K2CrO4 + SO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 3 SO2 + 2 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 2 H2O
NaSiO3H2SO4 = H2SiO3NaSO4 =>
NaSiO3H2SO4 = H2SiO3NaSO4
Na2CO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2O + 3 CO2
Fe2(SO4)3 + Ba(OH)2 = Fe(OH)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaSO4
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH3(CH2)3OHH2SO4 = CH3(CH2)3OH2HSO4 =>
CH3(CH2)3OHH2SO4 = CH3(CH2)3OH2HSO4
CrCl3 + KMnO4 + H2O = MnO2 + Cr(OH)3 + KOH + Cl2 =>
2 CrCl3 + 2 KMnO4 + 4 H2O = 2 MnO2 + 2 Cr(OH)3 + 2 KOH + 3 Cl2
Na + AlCl3 = NaCl + Al =>
3 Na + AlCl3 = 3 NaCl + Al
Zn2 + Pb(NO3)2 = Zn(NO3)2 + Pb4 =>
2 Zn2 + 4 Pb(NO3)2 = 4 Zn(NO3)2 + Pb4
Pb + H2SO4 = PbSO4 + S2 + H2O =>
6 Pb + 8 H2SO4 = 6 PbSO4 + S2 + 8 H2O
Pb + Pb2O4 + SO3 = Pb(SO4) =>
2 Pb + Pb2O4 + 4 SO3 = 4 Pb(SO4)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mn + S + O = MnSO4 =>
Mn + S + 4 O = MnSO4
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Équations équilibrées sur12/11/24
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