| Équations équilibrées la veille |
12 NaHCO3 + 9 H4C2O2 = 4 Na3C6H5O7 + 6 CO2 + 14 H2O
C5H2S + O2 = CO2 + H2O + SO2 =>
2 C5H2S + 13 O2 = 10 CO2 + 2 H2O + 2 SO2
C12H22O11(aq) + O2(g) = CO2(g) + H2O(g) =>
C12H22O11(aq) + 12 O2(g) = 12 CO2(g) + 11 H2O(g)
H2Se + Sr(OH)2 = H2O + SrSe =>
H2Se + Sr(OH)2 = 2 H2O + SrSe
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
MgCO3 + HNO2 = Mg(NO2)2 + CO2 + H2O =>
MgCO3 + 2 HNO2 = Mg(NO2)2 + CO2 + H2O
NH4HCO3 + CH3COOH = CH3COONH4 + CO2 + H2O =>
NH4HCO3 + CH3COOH = CH3COONH4 + CO2 + H2O
CoCl2 + H2O = CoO + HCl =>
CoCl2 + H2O = CoO + 2 HCl
Ni + Al2(SO4)3 = Al + Ni(SO4)2 =>
3 Ni + 2 Al2(SO4)3 = 4 Al + 3 Ni(SO4)2
SO2 + Na2S + Na3CO = CO2 + Na2S2O3 =>
7 SO2 + Na2S + 2 Na3CO = 2 CO2 + 4 Na2S2O3
Ag(aq)HCl(aq) = AgClH =>
Ag(aq)HCl(aq) = AgClH
Cu{+2} + NH3 = [Cu(NH3)2]{+2} =>
Cu{+2} + 2 NH3 = [Cu(NH3)2]{+2}
C5H7S + O2 = CO2 + H2O + SO2 =>
4 C5H7S + 31 O2 = 20 CO2 + 14 H2O + 4 SO2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K4[Fe(CN)6] + FeCl2 = Fe4[Fe(CN)6] + KCl2 =>
K4[Fe(CN)6] + 4 FeCl2 = Fe4[Fe(CN)6] + 4 KCl2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
NaHCO3 + H2C2H3O3 = H2O + HCO3 + NaC2H3O2 =>
NaHCO3 + H2C2H3O3 = H2O + HCO3 + NaC2H3O2
Na2O + I = NaI + O =>
Na2O + 2 I = 2 NaI + O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Ni2(CO3)3 + HClO4 = Ni(ClO4)3 + CO2 + H2O =>
Ni2(CO3)3 + 6 HClO4 = 2 Ni(ClO4)3 + 3 CO2 + 3 H2O
HN3 + O2 = H2O + NO =>
4 HN3 + 7 O2 = 2 H2O + 12 NO
CO(NH2)2(l) = HNCO(l) + NH3(g) = HNCO(l) = C3N3(NH2)3(l) + CO2(g) =>
CO(NH2)2(l) = HNCO(l) + NH3(g)
NaCl + KI = NaI + KCl =>
NaCl + KI = NaI + KCl
Ca(OH)2 + Na2SiO3 = CaO + SiO2 + NaOH =>
Ca(OH)2 + Na2SiO3 = CaO + SiO2 + 2 NaOH
Fe(s) + O2(g) = Fe2O3(aq) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(aq)
BaCr2O7 + NaOH = BaCrO4 + CrO4 + H + Na =>
BaCr2O7 + NaOH = BaCrO4 + CrO4 + H + Na
(FeCl3*6H2O) + (NH4)2CO3 = H2O + Fe(OH)3 + NH4Cl + CO2 =>
2(FeCl3*6H2O) + 3(NH4)2CO3 = 9 H2O + 2 Fe(OH)3 + 6 NH4Cl + 3 CO2
Na(ClO3) = O2 + NaCl =>
2 Na(ClO3) = 3 O2 + 2 NaCl
HgO + KBr = HgBr + KO =>
HgO + KBr = HgBr + KO
Cr(OH)3 + HI = H2CrOH + HIO3 =>
3 Cr(OH)3 + 2 HI = 3 H2CrOH + 2 HIO3
NiFe2O4 + AlF3 = NiF2 + Fe + Al2O3 + O2 =>
6 NiFe2O4 + 4 AlF3 = 6 NiF2 + 12 Fe + 2 Al2O3 + 9 O2
Cl4N2 + CH4 = H2 + CCl4 + N2 =>
Cl4N2 + CH4 = 2 H2 + CCl4 + N2
SiCl4(s) + H2O = H4SiO4(aq) + HCl(aq) =>
SiCl4(s) + 4 H2O = H4SiO4(aq) + 4 HCl(aq)
Br2 + NaOH = NaOBr + H2 =>
Br2 + 2 NaOH = 2 NaOBr + H2
Ba(NO3)2 + K2CIO4 = BaCIO4 + KNO3 =>
Ba(NO3)2 + K2CIO4 = BaCIO4 + 2 KNO3
K2CrO4 + KOH + Na2S + H2O = K3[Cr(OH)6] + S + NaOH =>
2 K2CrO4 + 2 KOH + 3 Na2S + 8 H2O = 2 K3[Cr(OH)6] + 3 S + 6 NaOH
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
AlPO4 + CaF2 = AlF3 + Ca3(PO4)2 =>
2 AlPO4 + 3 CaF2 = 2 AlF3 + Ca3(PO4)2
Na2[B2(O2)2(OH)2] + H2SO4 = Na2SO4 + H2[B2(O2)2(OH)2] =>
Na2[B2(O2)2(OH)2] + H2SO4 = Na2SO4 + H2[B2(O2)2(OH)2]
CH4(s) + O2(g) = CO(s) + H2O(g) =>
2 CH4(s) + 3 O2(g) = 2 CO(s) + 4 H2O(g)
Ag{2+} + O{-2} = AgO =>
Ag{2+} + O{-2} = AgO
BrO3 + NaOH = NaBrO3 + HO =>
BrO3 + NaOH = NaBrO3 + HO
HCOOH + K2CrO7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
9 HCOOH + 2 K2CrO7 + 5 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 9 CO2 + 14 H2O
C2H3OOH + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
C2H3OOH + NaHCO3 = NaC2H3O2 + H2O + CO2
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
C27H28Br2O5S + HCl = C27H28Br2O5SH + Cl =>
C27H28Br2O5S + HCl = C27H28Br2O5SH + Cl
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
NO + KOH = KNO3 + N2 + H2O =>
10 NO + 4 KOH = 4 KNO3 + 3 N2 + 2 H2O
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