Équations équilibrées la veille |
2 Na3P + 3 CaF2 = Ca3P2 + 6 NaF
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C8H10 = C8H8 + H2 =>
C8H10 = C8H8 + H2
Ba(ClO4)2 + Ni = Ba + Ni(ClO4)3 =>
3 Ba(ClO4)2 + 2 Ni = 3 Ba + 2 Ni(ClO4)3
H2O = OH2 =>
H2O = OH2
HCHO + H2 = CH3OH =>
HCHO + H2 = CH3OH
{-6} + H{+} + Cr2O7{-2} = Cr{3+} + H2O =>
{-6} + 14 H{+} + Cr2O7{-2} = 2 Cr{3+} + 7 H2O
H2CO3(aw) = CO2(g) + H2O(l) =>
H2CO3(aw) = CO2(g) + H2O(l)
CH3CH2OH + K2Cr2O7 + HCl = KCr3 + KCl + CH3COOH + H2O =>
19 CH3CH2OH + 6 K2Cr2O7 + 8 HCl = 4 KCr3 + 8 KCl + 19 CH3COOH + 23 H2O
CoSO4 + H3PO4 = Co3(PO4)2 + H2SO4 =>
3 CoSO4 + 2 H3PO4 = Co3(PO4)2 + 3 H2SO4
H3PO4(aq) + FeBr3(aq) = FePO4 + HBr =>
H3PO4(aq) + FeBr3(aq) = FePO4 + 3 HBr
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
CaCO3 + H2SO4 = H2O + Ca{2+} + SO4{2-} + CO2 =>
CaCO3 + H2SO4 = H2O + Ca{2+} + SO4{2-} + CO2
K2(SiO3) + Ca(OH)2 = Ca(SiO3) + KOH =>
K2(SiO3) + Ca(OH)2 = Ca(SiO3) + 2 KOH
HCH3COO + NaCO3 = HCH3COONaCO3 =>
HCH3COO + NaCO3 = HCH3COONaCO3
Cu(NO3)2 + K2CO3 = CuCO3 + KNO3 =>
Cu(NO3)2 + K2CO3 = CuCO3 + 2 KNO3
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
HBr(aq) + F2(g) = HF(aq) + Br2(g) =>
2 HBr(aq) + F2(g) = 2 HF(aq) + Br2(g)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ca(HCO3)2 + NaCl = CaCO3 + HCl + Na2CO3 =>
Ca(HCO3)2 + 2 NaCl = CaCO3 + 2 HCl + Na2CO3
Pb(NO3)2 + Cu(SO4) = PbSO4 + Cu(NO3)2 =>
Pb(NO3)2 + Cu(SO4) = PbSO4 + Cu(NO3)2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
N2 + H3 = HN =>
3 N2 + 2 H3 = 6 HN
CaOH2 + NO2 = Ca(NO2)2 + H2O =>
CaOH2 + 2 NO2 = Ca(NO2)2 + H2O
N2 + H3 = HN =>
3 N2 + 2 H3 = 6 HN
Fe(NO3)3 + Na2SO3 = Fe2(SO3)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2SO3 = Fe2(SO3)3 + 6 NaNO3
SO3 + S = SO2 =>
2 SO3 + S = 3 SO2
BaCl2 + H2O = BaOH + Cl2 + H2 =>
2 BaCl2 + 2 H2O = 2 BaOH + 2 Cl2 + H2
K2SiO3 + H3PO4 = K2PO4 + H3SiO3 =>
K2SiO3 + H3PO4 = K2PO4 + H3SiO3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
NaNO3{-} = NaNO2{-} + O2 =>
2 NaNO3{-} = 2 NaNO2{-} + O2
Na(s) + FeCl2(aq) = Fe + NaCl =>
2 Na(s) + FeCl2(aq) = Fe + 2 NaCl
PCl3(l) + H2O(l) = H3PO3(aq) + HCl(aq) =>
PCl3(l) + 3 H2O(l) = H3PO3(aq) + 3 HCl(aq)
Fe2(SO4)3 + KCN = K3(Fe(CN)6) + K2SO4 =>
Fe2(SO4)3 + 12 KCN = 2 K3(Fe(CN)6) + 3 K2SO4
Ba[Zn(OH)4] = BaZnO2 + H2O =>
Ba[Zn(OH)4] = BaZnO2 + 2 H2O
K2CO3 + AgNO3 = K2NO3 + CO3 + Ag =>
K2CO3 + AgNO3 = K2NO3 + CO3 + Ag
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
Na2O + HPO4 = Na(PO4) + H2O =>
Na2O + 2 HPO4 = 2 Na(PO4) + H2O
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Ti + CO = TiCO =>
Ti + CO = TiCO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HBr(aq) + F2(g) = HF(aq) + Br2(g) =>
2 HBr(aq) + F2(g) = 2 HF(aq) + Br2(g)
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
H2O = OH2 =>
H2O = OH2
Fe(s) + CuS(aq) = FeS(aq) + Cu(s) =>
Fe(s) + CuS(aq) = FeS(aq) + Cu(s)
FeCl2 + HClO = Cl + Fe(OH)3 =>
FeCl2 + 3 HClO = 5 Cl + Fe(OH)3
HBr(aq) + F2(g) = HF(aq) + Br2(g) =>
2 HBr(aq) + F2(g) = 2 HF(aq) + Br2(g)
CrO4{2-} + HSnO{2-} + H2O = CrO2 + H2SnO3 + OH{-} =>
5 CrO4{2-} + 2 HSnO{2-} + 8 H2O = 5 CrO2 + 2 H2SnO3 + 14 OH{-}
Al + HBr = AlBr3 + H2 = =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
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