| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(OH)2(ag) + 2 HCl(ag) = CaCl2(ag) + 2 H2O
KHCO3 + Ca(OH)2 = CaCO3 + KOH + H2O =>
KHCO3 + Ca(OH)2 = CaCO3 + KOH + H2O
C3H5NO(g) + O2(g) = CO2(g) + NO2(g) + H2O(l) =>
4 C3H5NO(g) + 19 O2(g) = 12 CO2(g) + 4 NO2(g) + 10 H2O(l)
Fe(NH4)2(SO4)2 + KMnO4 + H{+} = Mn{2+} + Fe{3+} + K{+} + NH4{+} + SO4{2-} + H2O =>
5 Fe(NH4)2(SO4)2 + KMnO4 + 8 H{+} = Mn{2+} + 5 Fe{3+} + K{+} + 10 NH4{+} + 10 SO4{2-} + 4 H2O
P2O3(g) + O2(g) = P2O5(g) =>
P2O3(g) + O2(g) = P2O5(g)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaOH + CuBr2 = NaBr + Cu(OH)2 =>
2 NaOH + CuBr2 = 2 NaBr + Cu(OH)2
Pb(NO3)2(aq) + H2S(aq) = PbS(s) + HNO3(aq) =>
Pb(NO3)2(aq) + H2S(aq) = PbS(s) + 2 HNO3(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H3C6H5O7 + CaCO3 = C6H5O7{3-} + Ca{2+} + H2CO3 =>
2 H3C6H5O7 + 3 CaCO3 = 2 C6H5O7{3-} + 3 Ca{2+} + 3 H2CO3
NaH4PO3 + NaBH4 + CuCl2 = CuBP + NaCl + H2O + H2 =>
NaH4PO3 + NaBH4 + CuCl2 = CuBP + 2 NaCl + 3 H2O + H2
Ba(NO3)2 + K2(SO4) = BaSO4 + KNO3 =>
Ba(NO3)2 + K2(SO4) = BaSO4 + 2 KNO3
Al2(SO4)3(s) + NaOH = Al(OH)3(g) + Na2SO4(g) =>
Al2(SO4)3(s) + 6 NaOH = 2 Al(OH)3(g) + 3 Na2SO4(g)
CH3H8 + O2 = CO2 + H2O =>
4 CH3H8 + 15 O2 = 4 CO2 + 22 H2O
CuSO4 + Na2S = Cu2S + S + Na2SO4 =>
2 CuSO4 + 2 Na2S = Cu2S + S + 2 Na2SO4
Bi + H2O = BiO3 + H =>
Bi + 3 H2O = BiO3 + 6 H
Ge + S = GeS2 =>
Ge + 2 S = GeS2
GeCl2 + Cl2 = GeCl4 =>
GeCl2 + Cl2 = GeCl4
CoCl2 + NH4Cl + NH3 + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5Cl]Cl2 + 2 H2O
KCl + Na2SO4 = K2SO4 + Na + Cl =>
2 KCl + Na2SO4 = K2SO4 + 2 Na + 2 Cl
C2H5OH + C8H9NO2 = C10H15N + O =>
C2H5OH + C8H9NO2 = C10H15N + 3 O
SO3 + H = HSO3 =>
SO3 + H = HSO3
Sn(OH)2 + Fe(ClO4)3 = FeCl3 + Sn2O3 + H2O =>
24 Sn(OH)2 + Fe(ClO4)3 = FeCl3 + 12 Sn2O3 + 24 H2O
N2 + O2 + H2 = HNO3 =>
N2 + 3 O2 + H2 = 2 HNO3
Fe(OH)2 + NaClO + H2O = Fe(OH)3 + NaCl =>
2 Fe(OH)2 + NaClO + H2O = 2 Fe(OH)3 + NaCl
COH + H2 = CH3OH =>
2 COH + 3 H2 = 2 CH3OH
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al(OH)4 + H2SO4 = Al(OH)3 + H2O + SO4 =>
2 Al(OH)4 + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4
HPO4{2-} + H{+} = H3PO4 =>
HPO4{2-} + 2 H{+} = H3PO4
CH3CH(OH)CH2(OH) + HCl = CH3CH(Cl)CH2(Cl) + H2O =>
CH3CH(OH)CH2(OH) + 2 HCl = CH3CH(Cl)CH2(Cl) + 2 H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
Ca + Fe2O3 = Fe3 + Ca2O3 =>
6 Ca + 3 Fe2O3 = 2 Fe3 + 3 Ca2O3
SiO2 + Na2SO3 = Na2SiO3 + SO2 =>
SiO2 + Na2SO3 = Na2SiO3 + SO2
NaOH + CuBr2 = NaBr + Cu(OH)2 =>
2 NaOH + CuBr2 = 2 NaBr + Cu(OH)2
K4Fe(CN)6 + KMnO4 + H2(SO4) = KH(SO4) + Fe2(SO4)3 + Mn(SO4) + H(NO3) + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2(SO4) = 162 KH(SO4) + 5 Fe2(SO4)3 + 122 Mn(SO4) + 60 H(NO3) + 60 CO2 + 188 H2O
CH3CH2COOH + FCH2COOK = CH3CH2COOF + CH3COOK =>
CH3CH2COOH + FCH2COOK = CH3CH2COOF + CH3COOK
H2SiO4 + Ca(OH)2 = CaSiO4 + H2O =>
H2SiO4 + Ca(OH)2 = CaSiO4 + 2 H2O
Li + Cl2 = (LiCl2) =>
Li + Cl2 = (LiCl2)
C6H12 + HNO3 = C6H11NO2 + H2O =>
C6H12 + HNO3 = C6H11NO2 + H2O
Al(OH)3 + H2(CO3) = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2(CO3) = Al2(CO3)3 + 6 H2O
UO2SO4 + KOH = K2U2O7 + SO3 + H2O =>
2 UO2SO4 + 2 KOH = K2U2O7 + 2 SO3 + H2O
NH4C2H3O2 + O2 = NO2 + CO2 + H2O =>
4 NH4C2H3O2 + 15 O2 = 4 NO2 + 8 CO2 + 14 H2O
Cu + S = Cu2S = Cu + S = Cu2S =>
2 Cu + S = Cu2S
HSO3{-} + Cr2O7{2-} + H{+} = HSO4{-} + Cr{3+} + H2O =>
3 HSO3{-} + Cr2O7{2-} + 8 H{+} = 3 HSO4{-} + 2 Cr{3+} + 4 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Ca + HF = CaF2 + H2 =>
Ca + 2 HF = CaF2 + H2
Ca + Fe2O3 = Fe + CaO =>
3 Ca + Fe2O3 = 2 Fe + 3 CaO
NH3 + Hg2(NO3)2 = Hg + (Hg(NH3)2(NO3)2) =>
2 NH3 + Hg2(NO3)2 = Hg + (Hg(NH3)2(NO3)2)
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
NaCl(aq) + CuSO4(aq) = Na2SO4(aq) + CuCl2(s) =>
2 NaCl(aq) + CuSO4(aq) = Na2SO4(aq) + CuCl2(s)
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