| Équations équilibrées la veille |
6 I{-} + 8 H{+} + 2 NO3{-} = 2 NO + 3 I2 + 4 H2O
Ra + H2O = RaOH2 = H2 =>
Ra + H2O = RaOH2
C2H5OH + O2 = H2O2 + CH3CHO =>
C2H5OH + O2 = H2O2 + CH3CHO
Cu(CH3COO)2 = Cu{2+} + CH3COO{-} =>
Cu(CH3COO)2 = Cu{2+} + 2 CH3COO{-}
C18H10 + O2 = CO2 + H2O =>
2 C18H10 + 41 O2 = 36 CO2 + 10 H2O
CH3 + O2 = CO2 + H2O =>
4 CH3 + 7 O2 = 4 CO2 + 6 H2O
LiOH + H2SO4 = H2O + SO4 + Li =>
2 LiOH + H2SO4 = 2 H2O + SO4 + 2 Li
Cu + NaCl = NaClCu =>
Cu + NaCl = NaClCu
In + ClO4 = InClO4 =>
In + ClO4 = InClO4
Ca(ClO)Cl = Ca + ClO + Cl =>
Ca(ClO)Cl = Ca + ClO + Cl
FeI2 + K2S = FeS + KI =>
FeI2 + K2S = FeS + 2 KI
Al(OH)3 + (H2)S(O4) = (Al2)(SO4)3 + (H2)O =>
2 Al(OH)3 + 3(H2)S(O4) = (Al2)(SO4)3 + 6(H2)O
Pb(CO3)2 + K = K2CO3 + Pb =>
Pb(CO3)2 + 4 K = 2 K2CO3 + Pb
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
Na + SnCl2 = NaCl2 + Sn =>
Na + SnCl2 = NaCl2 + Sn
C3H6(g) + NO(g) = C3H3N(s) + H2O(l) + N2(g) =>
4 C3H6(g) + 6 NO(g) = 4 C3H3N(s) + 6 H2O(l) + N2(g)
HNO3 + Ag2 = NO2 + H2O + AgNO3 =>
4 HNO3 + Ag2 = 2 NO2 + 2 H2O + 2 AgNO3
HCH2CHCO2 + OH = H2O + CHCHCO2 =>
HCH2CHCO2 + 2 OH = 2 H2O + CHCHCO2
In2CO3 = In2O + CO2 =>
In2CO3 = In2O + CO2
K3PO4 + Cu = Cu3(PO4)2 + K =>
2 K3PO4 + 3 Cu = Cu3(PO4)2 + 6 K
Cu + Ag(No3) = Ag + Cu2(No3) =>
2 Cu + Ag(No3) = Ag + Cu2(No3)
Na2S + KNO3 + H2SO4 = NO2 + K2SO4 + Na2SO4 + H2O =>
Na2S + 8 KNO3 + 4 H2SO4 = 8 NO2 + 4 K2SO4 + Na2SO4 + 4 H2O
Fe(OH)2 + H2O + O2 = Fe(OH)3 =>
4 Fe(OH)2 + 2 H2O + O2 = 4 Fe(OH)3
MnSO4 + PbO2 + HNO3 = Pb(MnO4)2 + H2SO4 + Pb(NO3)2 + H2O =>
2 MnSO4 + 5 PbO2 + 8 HNO3 = Pb(MnO4)2 + 2 H2SO4 + 4 Pb(NO3)2 + 2 H2O
K + HNO3 = KNO3 + NH4NO3 + HO2 =>
7 K + 11 HNO3 = 7 KNO3 + 2 NH4NO3 + 3 HO2
NaO = Na2 + O3 =>
6 NaO = 3 Na2 + 2 O3
SiO2 + Ca(OH)2 = CaSiO3 + H2O =>
SiO2 + Ca(OH)2 = CaSiO3 + H2O
C3H6(g) + NO(g) = C3H3N(s) + H2O(l) + N2(g) =>
4 C3H6(g) + 6 NO(g) = 4 C3H3N(s) + 6 H2O(l) + N2(g)
CaP = Ca + P =>
CaP = Ca + P
NH2Cl + Cl2 = NHCl2 + HCl =>
NH2Cl + Cl2 = NHCl2 + HCl
AgNO3 + H2CO + NaOH = Ag + HCO2Na + H2O + NaNO3 =>
2 AgNO3 + H2CO + 3 NaOH = 2 Ag + HCO2Na + 2 H2O + 2 NaNO3
S + O{2+} = SO{2+} =>
S + O{2+} = SO{2+}
iron + copper(II)chloride = iron(II)chloride + copper =>
Fe + CuCl2 = FeCl2 + Cu
LiNO3 + NH4Cl = LiCl + NH4NO3 =>
LiNO3 + NH4Cl = LiCl + NH4NO3
As + HNO2 + H2 = H3AsO + NO =>
As + HNO2 + H2 = H3AsO + NO
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
Nb2O5 + Fe2O3 + Al = Nb + Fe + Al2O3 =>
3 Nb2O5 + Fe2O3 + 12 Al = 6 Nb + 2 Fe + 6 Al2O3
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
K4Fe2(CN)6 + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + NO + H2O + K2SO4 + MnSO4 =>
5 K4Fe2(CN)6 + 46 KMnO4 + 94 H2SO4 = 5 Fe2(SO4)3 + 30 CO2 + 30 NO + 94 H2O + 33 K2SO4 + 46 MnSO4
C2H5OH(l) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
Na2Cr2O7 + HCl + CuS = CrCl3 + CuCl2 + Na2SO4 + H2O + NaCl =>
4 Na2Cr2O7 + 32 HCl + 3 CuS = 8 CrCl3 + 3 CuCl2 + 3 Na2SO4 + 16 H2O + 2 NaCl
NH3HNO3 = NH4NO3 =>
NH3HNO3 = NH4NO3
Bi2S3 + O = Bi2O4 + SO =>
Bi2S3 + 7 O = Bi2O4 + 3 SO
KLaO2 = K2O + La2O3 =>
2 KLaO2 = K2O + La2O3
Na10 + S5 = Na5S5 =>
Na10 + 2 S5 = 2 Na5S5
FeCl3 + Na2Cr2O7 = Fe2(Cr2O7)3 + NaCl =>
2 FeCl3 + 3 Na2Cr2O7 = Fe2(Cr2O7)3 + 6 NaCl
Ca(OH)2 + SiO2 = CaO + H2SiO3 =>
Ca(OH)2 + SiO2 = CaO + H2SiO3
Na2SO4 + Cu3(PO4)2 = CuSO4 + Na3PO4 =>
3 Na2SO4 + Cu3(PO4)2 = 3 CuSO4 + 2 Na3PO4
CuSO4 + NaOH + CH3CHO = Na2SO4 + CH3COOH + Cu2O + H2O =>
2 CuSO4 + 4 NaOH + CH3CHO = 2 Na2SO4 + CH3COOH + Cu2O + 2 H2O
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