| Équations équilibrées la veille |
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Ah + Gn2 = Ah2Gn =>
4 Ah + Gn2 = 2 Ah2Gn
Mg(HNO3)2 = Mg(NO3)2 + H2 =>
Mg(HNO3)2 = Mg(NO3)2 + H2
FeS2 + O2 = Fe2O2 + SO2SO2 = SO3 =>
2 FeS2 + 5 O2 = Fe2O2 + 2 SO2SO2
H2SO4 + AlI3 + KMnO4 = MnSO4 + K2SO4 + I2 + Al2(SO4)3 + H2O =>
24 H2SO4 + 10 AlI3 + 6 KMnO4 = 6 MnSO4 + 3 K2SO4 + 15 I2 + 5 Al2(SO4)3 + 24 H2O
H3PO4 + Mn(OH)7 = Mn(H2PO4)7 + H2O =>
7 H3PO4 + Mn(OH)7 = Mn(H2PO4)7 + 7 H2O
H2SO4 + KI = I2 + S + K2SO4 + H2O =>
4 H2SO4 + 6 KI = 3 I2 + S + 3 K2SO4 + 4 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
CrO2 + H2O = Cr(OH) + H2CrO4 =>
5 CrO2 + 4 H2O = 2 Cr(OH) + 3 H2CrO4
Pb2O = Pb + O =>
Pb2O = 2 Pb + O
C6H5CH3 + HNO3 = C7H7NO2 + H2O =>
C6H5CH3 + HNO3 = C7H7NO2 + H2O
Zn + Ag{+} = Zn{+2} + Ag =>
Zn + 2 Ag{+} = Zn{+2} + 2 Ag
S2O4{-2} + O2 + H2O = SO3{-2} + H{+} =>
2 S2O4{-2} + O2 + 2 H2O = 4 SO3{-2} + 4 H{+}
HS2 + S2O2 = S2 + H2O =>
4 HS2 + S2O2 = 5 S2 + 2 H2O
Cu(II)NO3 + HCl = Cu(II)Cl + HNO3 =>
Cu(II)NO3 + HCl = Cu(II)Cl + HNO3
Ca(SO4) = Ca + S + O2 =>
Ca(SO4) = Ca + S + 2 O2
Na2CO3 + Sr(OH)2 = SrCO3 + Na2(OH)2 =>
Na2CO3 + Sr(OH)2 = SrCO3 + Na2(OH)2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Co(OH)3 + HBr = CoBr + Br + H2O =>
Co(OH)3 + 3 HBr = CoBr + 2 Br + 3 H2O
MgS + ZnC4H6O4 = Zn + MgSC4H6O4 =>
MgS + ZnC4H6O4 = Zn + MgSC4H6O4
HPO3 + Na2CO3 + AgNO3 = NaNO3 + Ag3PO4 + CO2 + H2O =>
2 HPO3 + 3 Na2CO3 + 6 AgNO3 = 6 NaNO3 + 2 Ag3PO4 + 3 CO2 + H2O
CuSO4 + Pb(CH3COO)2 = Cu(CH3COO)2 + PbSO4 =>
CuSO4 + Pb(CH3COO)2 = Cu(CH3COO)2 + PbSO4
NaIO3 + NaOH + Cl2 = Na2H3IO6 + NaCl =>
NaIO3 + 3 NaOH + Cl2 = Na2H3IO6 + 2 NaCl
Na2Co3 + CaCl2 = NaCl + (CaCo3)2 =>
2 Na2Co3 + 2 CaCl2 = 4 NaCl + (CaCo3)2
C12H22O11 + CH4N2O = C21H23NO5 + H2O + O2 =>
41 C12H22O11 + 12 CH4N2O = 24 C21H23NO5 + 199 H2O + 72 O2
Cu(SO3) + Na(NO3) = Cu(NO3) + Na(SO3) =>
Cu(SO3) + Na(NO3) = Cu(NO3) + Na(SO3)
P2O5 + H2O + NH3 = (NH4)3PO4 =>
P2O5 + 3 H2O + 6 NH3 = 2(NH4)3PO4
K2CrO4 + Pb(CH3COO)4 = KCH3COO + Pb2(CrO4)4 =>
4 K2CrO4 + 2 Pb(CH3COO)4 = 8 KCH3COO + Pb2(CrO4)4
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
H2SO4 + Ca(OH)2 = [Ca(OH)]2SO4 + H2O =>
H2SO4 + 2 Ca(OH)2 = [Ca(OH)]2SO4 + 2 H2O
V2O5 + HCl = V3 + Cl2 + H2O =>
3 V2O5 + 30 HCl = 2 V3 + 15 Cl2 + 15 H2O
Pb(NO3)2 + Na3PO4 = Pb3(PO4)2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3PO4 = Pb3(PO4)2 + 6 NaNO3
SiI4(s) + Mg(s) = Si(s) + MgI2(s) =>
SiI4(s) + 2 Mg(s) = Si(s) + 2 MgI2(s)
Na(OH)2 + Cl2 = NaCl + NaClO3 + H2O =>
6 Na(OH)2 + 3 Cl2 = 4 NaCl + 2 NaClO3 + 6 H2O
Ag(OH)3 + HNO3 = Ag(NO3)3 + H2O =>
Ag(OH)3 + 3 HNO3 = Ag(NO3)3 + 3 H2O
CO + K = K2CO3 + C =>
3 CO + 2 K = K2CO3 + 2 C
CaCl2(aq) + KBr(aq) = KCl(aq) + CaBr2(l) =>
CaCl2(aq) + 2 KBr(aq) = 2 KCl(aq) + CaBr2(l)
MnI2 + Hg(NO3)2 = HgI2 + Mn(NO3)2 =>
MnI2 + Hg(NO3)2 = HgI2 + Mn(NO3)2
K3PO4 + Fe(NO2)3 = FePO4 + KNO2 =>
K3PO4 + Fe(NO2)3 = FePO4 + 3 KNO2
HNO3 + Mn(OH)2 = H2O + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 H2O + Mn(NO3)2
Ca + CuClO4 = Ca2ClO4 + Cu =>
2 Ca + CuClO4 = Ca2ClO4 + Cu
CaBr + Cl = Br2 + CaCl2 =>
2 CaBr + 4 Cl = Br2 + 2 CaCl2
MgCl2(ac) + NaOH(ac) = Mg(OH)2(s) + NaCl(ac) =>
MgCl2(ac) + 2 NaOH(ac) = Mg(OH)2(s) + 2 NaCl(ac)
Sr(NO3)2 + Ca(OH)2 = Sr(OH)2 + Ca(NO3)2 =>
Sr(NO3)2 + Ca(OH)2 = Sr(OH)2 + Ca(NO3)2
Zn + HNO3 = Zn(NO3)2 + NO + HOH =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 HOH
CoSO4*7H2O + KClO + K2(OH)4 = KCo3O4 + K2SO4 + HClO + H2O =>
6 CoSO4*7H2O + 12 KClO + K2(OH)4 = 2 KCo3O4 + 6 K2SO4 + 12 HClO + 38 H2O
CS2 + SrSO4 = CO2 + S + SrO =>
3 CS2 + 2 SrSO4 = 3 CO2 + 8 S + 2 SrO
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