| Équations équilibrées la veille |
N2 + 3 F2 = 2 NF3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
C18H22 + O2 = CO2 + H2O =>
2 C18H22 + 47 O2 = 36 CO2 + 22 H2O
Cu + KNO3 + HCl = CuCl2 + NO + KCl + H2O =>
3 Cu + 2 KNO3 + 8 HCl = 3 CuCl2 + 2 NO + 2 KCl + 4 H2O
HC2H3O2(aq)LiHSO3(aq) = LiC2H3O2(aq)H2O(l)SO2(g) =>
HC2H3O2(aq)LiHSO3(aq) = LiC2H3O2(aq)H2O(l)SO2(g)
Co2O2 = Co + O2 =>
Co2O2 = 2 Co + O2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Xe + Cl2 = XeCl4 =>
Xe + 2 Cl2 = XeCl4
RbOH + HCOOH = H2O + RbOOCH =>
RbOH + HCOOH = H2O + RbOOCH
Co(NO3)2 + NaOH = Co(OH)2 + Na(NO3) =>
Co(NO3)2 + 2 NaOH = Co(OH)2 + 2 Na(NO3)
Ca(HCO3)2 + AlCl3 = CaCl2 + Al(HCO3)3 =>
3 Ca(HCO3)2 + 2 AlCl3 = 3 CaCl2 + 2 Al(HCO3)3
N2 + O2 + H2 = HNO3 =>
N2 + 3 O2 + H2 = 2 HNO3
C + S8 = CS2 =>
4 C + S8 = 4 CS2
KOH + HNO3 = KNO03 + H2O =>
KOH + HNO3 = KNO03 + H2O
N2H2O = N2 + H2O =>
N2H2O = N2 + H2O
O + Ca = CaO =>
O + Ca = CaO
Li + N = Li2N2 =>
2 Li + 2 N = Li2N2
C4H10Se + O2 = CO2 + H2O + SeO2 =>
2 C4H10Se + 15 O2 = 8 CO2 + 10 H2O + 2 SeO2
H2SO3 + Na2S = NaOH + S + O2 =>
2 H2SO3 + 2 Na2S = 4 NaOH + 4 S + O2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C4H10 + Br = C4H8Br2 + H2 =>
C4H10 + 2 Br = C4H8Br2 + H2
NaOH + H3PO4 = H2O + Na3PO4 =>
3 NaOH + H3PO4 = 3 H2O + Na3PO4
K2Cr2O7 + HCl + FeS = FeCl3 + KCl + H2S + CrCl3 + H2O =>
K2Cr2O7 + 26 HCl + 6 FeS = 6 FeCl3 + 2 KCl + 6 H2S + 2 CrCl3 + 7 H2O
SiO2 + Ni2O = Ni2SiO3 =>
SiO2 + Ni2O = Ni2SiO3
(NH4)2(CO3) + Ba(OH)2 = (NH4)(OH) + Ba(CO3) =>
(NH4)2(CO3) + Ba(OH)2 = 2(NH4)(OH) + Ba(CO3)
Cr + H2O + NaOH = Na3Cr(OH)4 + H2 =>
2 Cr + 2 H2O + 6 NaOH = 2 Na3Cr(OH)4 + H2
KBr + Pb(No3)2 = KNo3 + PbBr2 =>
2 KBr + Pb(No3)2 = 2 KNo3 + PbBr2
AgClO3 = AgCl + O2 =>
2 AgClO3 = 2 AgCl + 3 O2
Sb2O3 + C = CO + Sb =>
Sb2O3 + 3 C = 3 CO + 2 Sb
Li3PO4 + Mg(NO3)2 = MgPO4 + Li3(NO3)2 =>
Li3PO4 + Mg(NO3)2 = MgPO4 + Li3(NO3)2
KBr + PbO2 + H2SO4 = PbSO4 + Br2 + K2SO4 + H2O =>
2 KBr + PbO2 + 2 H2SO4 = PbSO4 + Br2 + K2SO4 + 2 H2O
Al2(SO4)3 + H3PO4 = AlPO4 + H2SO4 =>
Al2(SO4)3 + 2 H3PO4 = 2 AlPO4 + 3 H2SO4
Co(s) + P4(s) = Co3P2(s) =>
6 Co(s) + P4(s) = 2 Co3P2(s)
KMnO4 + FeSO4 + H2O = Fe(OH)3 + MnO2 + Fe2(SO4)3 + K2SO4 =>
6 KMnO4 + 18 FeSO4 + 12 H2O = 8 Fe(OH)3 + 6 MnO2 + 5 Fe2(SO4)3 + 3 K2SO4
Pb2(NO3)2 + KI = Pb2I + K(NO3)2 =>
Pb2(NO3)2 + KI = Pb2I + K(NO3)2
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
H3C{-}CH2OH = H3C{-}CH2Br =>
H3C{-}CH2OH = H3C{-}CH2Br
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
H2O + SO2 + Cl2 = S(O4)2{-} + Cl{-} + H{+} =>
12 H2O + 2 SO2 + 11 Cl2 = 2 S(O4)2{-} + 22 Cl{-} + 24 H{+}
Bi(NO2)3 + Fe = Fe(NO2)3 + Bi =>
Bi(NO2)3 + Fe = Fe(NO2)3 + Bi
Fe2(SO4)3 + K2S = Fe2S3 + K2(SO4) =>
Fe2(SO4)3 + 3 K2S = Fe2S3 + 3 K2(SO4)
MnSO4 + K4[Fe(CN)6] = Mn(CN)2 + K2SO4 + FeSO4 =>
3 MnSO4 + K4[Fe(CN)6] = 3 Mn(CN)2 + 2 K2SO4 + FeSO4
[Fe(C2O4)3]3{-} + MnO4{-} + H{+} = CO2 + Mn{2+} + H2O + Fe3{+} =>
5[Fe(C2O4)3]3{-} + 2 MnO4{-} + 16 H{+} = 90 CO2 + 2 Mn{2+} + 8 H2O + 5 Fe3{+}
CH3COO{-} + H3O{+} = CH3COOH + H2O =>
CH3COO{-} + H3O{+} = CH3COOH + H2O
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
Al2(SO4)3 + H3PO4 = AlPO4 + H2SO4 =>
Al2(SO4)3 + 2 H3PO4 = 2 AlPO4 + 3 H2SO4
Al3 + H2SO3 = AlSO3 + H2 =>
Al3 + 3 H2SO3 = 3 AlSO3 + 3 H2
Cu + H2SO4 = Cu(ii)SO4 + H2O + SO =>
2 Cu + 3 H2SO4 = 2 Cu(ii)SO4 + 3 H2O + SO
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