Équations équilibrées la veille |
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
Ca + Ba(OH)2 = Ca(OH)2 + Ba =>
Ca + Ba(OH)2 = Ca(OH)2 + Ba
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
S2 = S1 =>
S2 = 2 S1
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
CrCl3 + ClO{-} + H2O = Cr2O72{-} + Cl{-} + H{+} =>
4 CrCl3 + 137 ClO{-} + 7 H2O = 2 Cr2O72{-} + 149 Cl{-} + 14 H{+}
HSO3Cl + H2O2 = H2SO5 + HCl =>
HSO3Cl + H2O2 = H2SO5 + HCl
Pb(NO2)2 + Na2S = PbS + NaNO2 =>
Pb(NO2)2 + Na2S = PbS + 2 NaNO2
Ca3(PO4)2(s) + H3PO4(aq) = Ca(H2PO4)2(s) =>
Ca3(PO4)2(s) + 4 H3PO4(aq) = 3 Ca(H2PO4)2(s)
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
C4H6 + Ag(NH3)2OH = C4H5Ag + NH3 + H2O =>
C4H6 + Ag(NH3)2OH = C4H5Ag + 2 NH3 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
NH4CO3 + BaCl = NH4Cl + BaCO3 =>
NH4CO3 + BaCl = NH4Cl + BaCO3
(NH4)HCO3 + NaCl = NaHCO3 + NH4Cl =>
(NH4)HCO3 + NaCl = NaHCO3 + NH4Cl
BaSO4 + HCl = BaCl2 + H2SO4 =>
BaSO4 + 2 HCl = BaCl2 + H2SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
Ag(NO3) + NaI = Ag1I1 + Na(NO3) =>
Ag(NO3) + NaI = Ag1I1 + Na(NO3)
NH4Fe(SO4)2*3H2O + Na2CO3 = NaFe(SO4)2*3H2O + (NH4)2CO3 =>
2 NH4Fe(SO4)2*3H2O + Na2CO3 = 2 NaFe(SO4)2*3H2O + (NH4)2CO3
H2S + C2H5ONa = C2H5OH + NaHS =>
H2S + C2H5ONa = C2H5OH + NaHS
Sr(OH)2 + Zn(NO3)2 = Sr(NO3)2 + Zn(OH)2 =>
Sr(OH)2 + Zn(NO3)2 = Sr(NO3)2 + Zn(OH)2
N2H4(g) + H2O4(l) = N2(g) + H2O(g) =>
3 N2H4(g) + 2 H2O4(l) = 3 N2(g) + 8 H2O(g)
Ni(NO3)3 + NaOH(aq) = Ni(OH)3 + Na(NO3) =>
Ni(NO3)3 + 3 NaOH(aq) = Ni(OH)3 + 3 Na(NO3)
KBr + I = Br2 + KI =>
2 KBr + 2 I = Br2 + 2 KI
Ba + P = BaP3 =>
Ba + 3 P = BaP3
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
As2O3 + Zn + H{+} = AsH3 + Zn{2+} + H2O =>
As2O3 + 6 Zn + 12 H{+} = 2 AsH3 + 6 Zn{2+} + 3 H2O
Mg(HCO3)2 + HNO3 = Mg(NO3)2 + H2CO3 =>
Mg(HCO3)2 + 2 HNO3 = Mg(NO3)2 + 2 H2CO3
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb =>
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CaSO4 + Mg(OH)2 = Ca(OH)2 + MgSO4 =>
CaSO4 + Mg(OH)2 = Ca(OH)2 + MgSO4
Cr(OH)3 + KClO4 + KOH = K2CrO4 + KCl + H2O =>
8 Cr(OH)3 + 3 KClO4 + 16 KOH = 8 K2CrO4 + 3 KCl + 20 H2O
KMnO4 + C3H4 + H2O = MnO2 + KHCO3 + CH3COOK =>
8 KMnO4 + 5 C3H4 + H2O = 8 MnO2 + KHCO3 + 7 CH3COOK
MgI2 + H2 = Mg + HI =>
MgI2 + H2 = Mg + 2 HI
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
MgI2 + H2 = Mg + HI =>
MgI2 + H2 = Mg + 2 HI
PH3 + K2CrO7 + H2O = H3PO4 + Cr2O3 + KOH =>
9 PH3 + 8 K2CrO7 + 8 H2O = 9 H3PO4 + 4 Cr2O3 + 16 KOH
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
Fe(OH)3 + CO2 = Fe2(CO3)3 + H2O =>
2 Fe(OH)3 + 3 CO2 = Fe2(CO3)3 + 3 H2O
AlCl3 + H2 = Al + HCl =>
2 AlCl3 + 3 H2 = 2 Al + 6 HCl
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C2O4 + KOH = K2CO3 + H2O =>
C2O4 + 4 KOH = 2 K2CO3 + 2 H2O
P + NO3 = P2O5 + NO2 =>
2 P + 5 NO3 = P2O5 + 5 NO2
Fe(OH)2NO3 + HNO3 = Fe(OH)(NO3)2 + H2O =>
Fe(OH)2NO3 + HNO3 = Fe(OH)(NO3)2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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