| Équations équilibrées la veille |
Na2S + 2 Cu = Na2SCu2
Ba(aq) + CrO4(aq) = BaCrO4 =>
Ba(aq) + CrO4(aq) = BaCrO4
Fe7S6 + O2 = FeO + SO2 =>
2 Fe7S6 + 19 O2 = 14 FeO + 12 SO2
HNO3 + (CH3COO)2Sr = CH3COOH + Sr(NO3)2 =>
2 HNO3 + (CH3COO)2Sr = 2 CH3COOH + Sr(NO3)2
NaHCO3 + Al(OH)3 = Al2(CO3)3 + Na2CO3 + H2O =>
6 NaHCO3 + 2 Al(OH)3 = Al2(CO3)3 + 3 Na2CO3 + 6 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CuSO4 + K2Cr2O7 = Cu2(Cr2O7)2 + K2SO4 =>
2 CuSO4 + 2 K2Cr2O7 = Cu2(Cr2O7)2 + 2 K2SO4
KClO3(s) + C12H22O11(s) = KCl(s) + CO2(g) + H2O(l) =>
8 KClO3(s) + C12H22O11(s) = 8 KCl(s) + 12 CO2(g) + 11 H2O(l)
HNO3 + Be(HCO3)2 = Be(NO3)2 + H2O + CO2 =>
2 HNO3 + Be(HCO3)2 = Be(NO3)2 + 2 H2O + 2 CO2
TiCl4(s) + H2O(l) = TiO2(s) + HCl(g) =>
TiCl4(s) + 2 H2O(l) = TiO2(s) + 4 HCl(g)
Br2 + SO2 + H2O = SO4{2-} + Br{-} + H{+} =>
Br2 + SO2 + 2 H2O = SO4{2-} + 2 Br{-} + 4 H{+}
CrO2 + N2 + H2 + H2O = (NH4)2Cr2O7 =>
2 CrO2 + N2 + H2 + 3 H2O = (NH4)2Cr2O7
Fe(OH)3 + H3PO3 = Fe(PO3) + H2O =>
Fe(OH)3 + H3PO3 = Fe(PO3) + 3 H2O
H3CCOOH = H3CCO + OH =>
H3CCOOH = H3CCO + OH
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
Mg(HCO3)2 + H2SO4 = MgSO4 + H2O + CO2 =>
Mg(HCO3)2 + H2SO4 = MgSO4 + 2 H2O + 2 CO2
C25H30N3Cl + NaOH = C25H31N3ClO + Na =>
C25H30N3Cl + NaOH = C25H31N3ClO + Na
Pb(NO3)2 + NH4Br = PbBr2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4Br = PbBr2 + 2 NH4NO3
Na2HPO4 + H2O = NaH2PO4 + NaOH =>
Na2HPO4 + H2O = NaH2PO4 + NaOH
KMnO4 + Ag + H2SO4 = AgSO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Ag + 8 H2SO4 = 5 AgSO4 + 2 MnSO4 + K2SO4 + 8 H2O
C6H5COOH + KOH = C6H5COOK + H2O =>
C6H5COOH + KOH = C6H5COOK + H2O
C6H4(CO)2O + NH4OH = C8H5O2N + H2O =>
C6H4(CO)2O + NH4OH = C8H5O2N + 2 H2O
NaO2C5H9OH + NaOH = HOC4H9 + Na2CO3 + H2O =>
24 NaO2C5H9OH + 16 NaOH = 25 HOC4H9 + 20 Na2CO3 + 3 H2O
NiSO4 + Na2SiO3 = NiSiO3 + Na2SO4 =>
NiSO4 + Na2SiO3 = NiSiO3 + Na2SO4
C2H2 + Br2 = C2H2Br2 =>
C2H2 + Br2 = C2H2Br2
CH3CH2CH2OH = C3H6 + H2O =>
CH3CH2CH2OH = C3H6 + H2O
Au + KCN + H2O + O2 = KOH + KAu(CN)4 =>
4 Au + 16 KCN + 6 H2O + 3 O2 = 12 KOH + 4 KAu(CN)4
Na + H3O = NaOH + H2 =>
Na + H3O = NaOH + H2
H2SO4 + Ni(ReO4)2 = NiSO4 + HReO4 =>
H2SO4 + Ni(ReO4)2 = NiSO4 + 2 HReO4
CO2(g) + H2O(l) = C12H22O12 + O2 =>
24 CO2(g) + 22 H2O(l) = 2 C12H22O12 + 23 O2
C2H4Br2 + H2O = C2H5OH + Br2 =>
C2H4Br2 + H2O = C2H5OH + Br2
HCl + Fe(OH)2 = FeCl2 + H2O =>
2 HCl + Fe(OH)2 = FeCl2 + 2 H2O
FeCl3 = Fe + Cl2 =>
2 FeCl3 = 2 Fe + 3 Cl2
BaCl2 + Al(SO4)2 = AlCl3 + Ba + SO4 =>
3 BaCl2 + 2 Al(SO4)2 = 2 AlCl3 + 3 Ba + 4 SO4
NaCrO2 + PbO2 + NaOH = Na2CrO4 + Pb + H2O =>
4 NaCrO2 + 3 PbO2 + 4 NaOH = 4 Na2CrO4 + 3 Pb + 2 H2O
C7OH + O2 = CO2 + H2O =>
4 C7OH + 27 O2 = 28 CO2 + 2 H2O
Fe2O3 + LiF = FeF3 + Li2O =>
Fe2O3 + 6 LiF = 2 FeF3 + 3 Li2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
Au + HCl = AuCl3 + H22 =>
22 Au + 66 HCl = 22 AuCl3 + 3 H22
Ca(NO3)2(aq) + NaI(aq) = CaI2(aq) + Na(NO3)(aq) =>
Ca(NO3)2(aq) + 2 NaI(aq) = CaI2(aq) + 2 Na(NO3)(aq)
CaSO4 + CO + NH3 + H2O = (NH4)2SO4 + CaCO3 + H =>
CaSO4 + CO + 2 NH3 + 2 H2O = (NH4)2SO4 + CaCO3 + 2 H
SbCl5 + PCl5 = PCl7 + SbCl3 =>
SbCl5 + PCl5 = PCl7 + SbCl3
Fe(NO3)3 + KCNS = K3[Fe(CNS)6] + KNO3 =>
Fe(NO3)3 + 6 KCNS = K3[Fe(CNS)6] + 3 KNO3
Fe{2+} + C12H8N2 = Fe(C12H8N2)3{2+} =>
Fe{2+} + 3 C12H8N2 = Fe(C12H8N2)3{2+}
NaOH + CUCl2 = CUOH + NaCl2 =>
NaOH + CUCl2 = CUOH + NaCl2
Cr2O3 + HCl = CrCl3 + H2O =>
Cr2O3 + 6 HCl = 2 CrCl3 + 3 H2O
Pm + HCl = PmCl4 + H2 =>
Pm + 4 HCl = PmCl4 + 2 H2
H2SO4 + CaO = Ca(SO4) + H2O =>
H2SO4 + CaO = Ca(SO4) + H2O
Fe(H2O)6{2+} + C10H8N2 = Fe(C10H8N2)3{2+} + H2O =>
Fe(H2O)6{2+} + 3 C10H8N2 = Fe(C10H8N2)3{2+} + 6 H2O
B + C = BC5 =>
B + 5 C = BC5
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