| Équations équilibrées la veille |
PbCl2 + K2CrO4 = K2Cl2 + PbCrO4
FeS + HNO3 = Fe(NO3)2 + H2S =>
FeS + 2 HNO3 = Fe(NO3)2 + H2S
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
KBr + H2O = KOH + Br2 + H2 =>
2 KBr + 2 H2O = 2 KOH + Br2 + H2
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
Cr(ClO3)3 = ClO3 + Cr =>
Cr(ClO3)3 = 3 ClO3 + Cr
Al + HNO3 = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
NO + H2O = N(OH)2 =>
NO + H2O = N(OH)2
Cu(OH)2 + NH3 = [Cu(NH3)6]3 + OH =>
3 Cu(OH)2 + 18 NH3 = [Cu(NH3)6]3 + 6 OH
KBr + H2O = KBr*H2O =>
KBr + H2O = KBr*H2O
Mg + HI = MgI2 + H2 =>
Mg + 2 HI = MgI2 + H2
Na2CO3 + CH3COOH = NaCH3COO + H2CO3 =>
Na2CO3 + 2 CH3COOH = 2 NaCH3COO + H2CO3
Al + HNO3 = Al(NO3)3 + N2 + H2O =>
10 Al + 36 HNO3 = 10 Al(NO3)3 + 3 N2 + 18 H2O
C2H25OH + O2 = CO2 + H2O =>
C2H25OH + 8 O2 = 2 CO2 + 13 H2O
NO3 + Zn + H2O = NH3 + Zn(OH)4 =>
4 NO3 + 9 Zn + 24 H2O = 4 NH3 + 9 Zn(OH)4
K4[Fe(CN)6] + Ba(NO3)2 = Ba4[Fe(CN)6]2 + K(NO3) =>
2 K4[Fe(CN)6] + 4 Ba(NO3)2 = Ba4[Fe(CN)6]2 + 8 K(NO3)
KH2PO4 + NaOH = Na2HPO4 + KOH + H2O =>
KH2PO4 + 2 NaOH = Na2HPO4 + KOH + H2O
Al + HNO3 = Al(NO3)3 + N2O + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 N2O + 15 H2O
Na2SO4(aq) + H2O(l) = NaOH(aq) + H2SO4(aq) =>
Na2SO4(aq) + 2 H2O(l) = 2 NaOH(aq) + H2SO4(aq)
Fe(NO3)3(aq) + NaHCO3(aq) = Fe(HCO3)3 + NaNO3 =>
Fe(NO3)3(aq) + 3 NaHCO3(aq) = Fe(HCO3)3 + 3 NaNO3
Sn + PbNO32 = Pb + SnNO32 =>
Sn + PbNO32 = Pb + SnNO32
Al + H2SO3 = Al(SO3) + H2 =>
Al + H2SO3 = Al(SO3) + H2
AlCl3 + Na2S + H2O = NaCl + H2S + Al(OH)3 =>
2 AlCl3 + 3 Na2S + 6 H2O = 6 NaCl + 3 H2S + 2 Al(OH)3
HClO2 + Ra(OH)2 = Ra(ClO2)2 + H2O =>
2 HClO2 + Ra(OH)2 = Ra(ClO2)2 + 2 H2O
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
P4 + OH{-} + H2O = PH3 + P(OH)2{-} =>
P4 + 3 OH{-} + 3 H2O = PH3 + 3 P(OH)2{-}
Ca + O2CCO2 + H2O = CaC2O4H2O =>
Ca + O2CCO2 + H2O = CaC2O4H2O
HCl + HF = FCl2 + H2 =>
4 HCl + 2 HF = 2 FCl2 + 3 H2
Cl2 + CsBr = Br2 + CsCl =>
Cl2 + 2 CsBr = Br2 + 2 CsCl
Fe(CO)5 + PF3 + H2 = Fe(co)2(PF3)2(H)2 + CO =>
2 Fe(CO)5 + 2 PF3 + H2 = Fe(co)2(PF3)2(H)2 + 10 CO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H8O2 + C2H6O = C6H12O2 + H2O =>
C4H8O2 + C2H6O = C6H12O2 + H2O
SO3{2-} + Cu{2+} + H2O = SO4{2-} + Cu{+} + H{+} =>
SO3{2-} + 2 Cu{2+} + H2O = SO4{2-} + 2 Cu{+} + 2 H{+}
KMnO4 + Fe(SO4) + H2(SO4) = K2(SO4) + Mn(SO4) + Fe2(SO4)3 + H2O =>
2 KMnO4 + 10 Fe(SO4) + 8 H2(SO4) = K2(SO4) + 2 Mn(SO4) + 5 Fe2(SO4)3 + 8 H2O
CH3COOH + Al = Al(CH3CO2)3 + H2 =>
6 CH3COOH + 2 Al = 2 Al(CH3CO2)3 + 3 H2
Fe(CO)5 + PF3 + H2 = Fe(CO)2(PF3)2H2 + CO =>
Fe(CO)5 + 2 PF3 + H2 = Fe(CO)2(PF3)2H2 + 3 CO
Al2(SO4)3 + Na2SO3 + H2O = Al(OH)3 + SO2 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 3 Na2SO4
Zn + Ba(OH)2 = BaZnO2 + H2 =>
Zn + Ba(OH)2 = BaZnO2 + H2
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
Ca{2+} + PO4{-3} = Ca3(PO4)2 =>
3 Ca{2+} + 2 PO4{-3} = Ca3(PO4)2
NH3(g) + H2O(l) + SO3(g) = (NH4)2SO4 =>
2 NH3(g) + H2O(l) + SO3(g) = (NH4)2SO4
Si + NaOH + H2O = NaSiO33 + H2 =>
2 Si + 2 NaOH + 64 H2O = 2 NaSiO33 + 65 H2
BaO2 + Cr2(SO4)3 + NaOH = BaO + Na2CrO4 + Na2SO4 + H2O =>
3 BaO2 + Cr2(SO4)3 + 10 NaOH = 3 BaO + 2 Na2CrO4 + 3 Na2SO4 + 5 H2O
C + H2 = C8H16 =>
8 C + 8 H2 = C8H16
ArOH + NaOH = ArO + NaH2O =>
ArOH + NaOH = ArO + NaH2O
C7H6O5 + Na2CO3 = C7H5O5Na + CO2 + H2O =>
2 C7H6O5 + Na2CO3 = 2 C7H5O5Na + CO2 + H2O
BaO2 + Cr2(SO4)3 + NaOH = Ba(OH)2 + Na2CrO4 + Na2SO4 + H2O =>
3 BaO2 + Cr2(SO4)3 + 10 NaOH = 3 Ba(OH)2 + 2 Na2CrO4 + 3 Na2SO4 + 2 H2O
Pb + CaCO3 = PbCO3 + Ca =>
Pb + CaCO3 = PbCO3 + Ca
KCH3COO + H2O = CH3COOH + KOH =>
KCH3COO + H2O = CH3COOH + KOH
C2H5(NO3)3 = O2 + H2O + CO2 + N2 =>
4 C2H5(NO3)3 = 5 O2 + 10 H2O + 8 CO2 + 6 N2
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