| Équations équilibrées la veille |
2 NO2 + Br2 + 2 H2O = 2 HNO3 + 2 HBr
KMnO7 + H2SO4 = K2SO4 + MnSO4 + H2O + O2 =>
4 KMnO7 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 6 H2O + 11 O2
Cr2O7{2-} + Sn{2+} + H{+} = Cr3{+} + Sn{4+} + H2O =>
3 Cr2O7{2-} + 17 Sn{2+} + 42 H{+} = 2 Cr3{+} + 17 Sn{4+} + 21 H2O
H2SO4Na2S = Na2SO4H2S =>
H2SO4Na2S = Na2SO4H2S
CH2OH[CHOH]3COCH2OH + H2 = CH2OH[CHOH]4CH2OH =>
CH2OH[CHOH]3COCH2OH + H2 = CH2OH[CHOH]4CH2OH
CH3CHBrCH3 + KOH = H2O + KBr + CH3CHCH2 =>
CH3CHBrCH3 + KOH = H2O + KBr + CH3CHCH2
N + H + S = (NH4)2S =>
2 N + 8 H + S = (NH4)2S
KI + Na2CrO4 = K2CrO4 + NaI =>
2 KI + Na2CrO4 = K2CrO4 + 2 NaI
NaOH + C3H5O(COOH)3 = C3H5O(COONa)3 + H2O =>
3 NaOH + C3H5O(COOH)3 = C3H5O(COONa)3 + 3 H2O
KOH + K = K2O + H2 =>
2 KOH + 2 K = 2 K2O + H2
CH4 + NaOH = CH3OH + Na + H2 =>
2 CH4 + 2 NaOH = 2 CH3OH + 2 Na + H2
CaCO3 + C76H52O46 = H2CO3 + CaC76H50O46 =>
CaCO3 + C76H52O46 = H2CO3 + CaC76H50O46
CaH2 + HO = Ca(OH)2 + H2 =>
CaH2 + 2 HO = Ca(OH)2 + H2
Al2O3 + H2CO3 = Al2(CO3)3 + H2O =>
Al2O3 + 3 H2CO3 = Al2(CO3)3 + 3 H2O
CH2OH[CHOH]3COCH2OH + H2 = CH2OH[CHOH]4CH2OH =>
CH2OH[CHOH]3COCH2OH + H2 = CH2OH[CHOH]4CH2OH
H3PO4 + Ca = Ca3(PO4)2 + H2 =>
2 H3PO4 + 3 Ca = Ca3(PO4)2 + 3 H2
Al{+} + OH{-} + H2O = Al(OH)3 + H2 =>
Al{+} + OH{-} + 2 H2O = Al(OH)3 + H2
CO2 + H2O = C2HOH + O2 =>
2 CO2 + H2O = C2HOH + 2 O2
KOH + K = K2O + H2 =>
2 KOH + 2 K = 2 K2O + H2
S2O32{-} + Br2 + H2O = SO42{-} + Br{-} + H{+} =>
2 S2O32{-} + 103 Br2 + 104 H2O = 4 SO42{-} + 206 Br{-} + 208 H{+}
AgNO3(aq) + NiCl(aq) = AgCl(s) + NiNO3(aq) =>
AgNO3(aq) + NiCl(aq) = AgCl(s) + NiNO3(aq)
AgNO3(ac) + NaOH(ac) = AgOH(s) + NaNO3(ac) =>
AgNO3(ac) + NaOH(ac) = AgOH(s) + NaNO3(ac)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe + Cd(NO3) = Fe(NO3)3 + Cd =>
Fe + 3 Cd(NO3) = Fe(NO3)3 + 3 Cd
AgNO3 + Na2CO3 = AgCO3 + Na2NO3 =>
AgNO3 + Na2CO3 = AgCO3 + Na2NO3
FeCl3(aq) + NiSO4(aq) = Fe2(SO4)3 + NiCl2 =>
2 FeCl3(aq) + 3 NiSO4(aq) = Fe2(SO4)3 + 3 NiCl2
Sr(OH)2 + H2O = OH + Sr(OH2) =>
Sr(OH)2 + H2O = 2 OH + Sr(OH2)
Fe2(CO3)3 + HC2H3O2 = Fe(C2H3O2)3 + H2O + CO2 =>
Fe2(CO3)3 + 6 HC2H3O2 = 2 Fe(C2H3O2)3 + 3 H2O + 3 CO2
Ni + AuNO3 = Ni(NO3)2 + Au =>
Ni + 2 AuNO3 = Ni(NO3)2 + 2 Au
Ni + ZnSO4 = Ni2(SO4)3 + Zn =>
2 Ni + 3 ZnSO4 = Ni2(SO4)3 + 3 Zn
CaHPO4 + NaOH = Ca(OH)2 + Na3PO4 + H2O =>
CaHPO4 + 3 NaOH = Ca(OH)2 + Na3PO4 + H2O
HCOOH + HCOONa = HCOONaHCOOH =>
HCOOH + HCOONa = HCOONaHCOOH
C6H5CHO + NaOH = C6H5CH2OH + C6H5COONa =>
2 C6H5CHO + NaOH = C6H5CH2OH + C6H5COONa
NaCl + K2CrO4 + AgNO3 = Ag2CrO4 + NaNO3 + KCl =>
2 NaCl + K2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 NaNO3 + 2 KCl
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
HCl2 + Fe = FeCl3 + H2 =>
6 HCl2 + 4 Fe = 4 FeCl3 + 3 H2
Zn + CUSO4 = ZnSO4 + CU =>
Zn + CUSO4 = ZnSO4 + CU
Sn + PbCl2 = SnCl2 + Pb =>
Sn + PbCl2 = SnCl2 + Pb
Ba3(PO4)2 + Fe(OH)3 = Fe(PO4) + Ba(OH)2 =>
Ba3(PO4)2 + 2 Fe(OH)3 = 2 Fe(PO4) + 3 Ba(OH)2
LiI + H3PO4 = Li3PO4 + HI =>
3 LiI + H3PO4 = Li3PO4 + 3 HI
C6H10 + KMnO4 + H2SO4 = C4H8COOHCOOH + K2SO4 + MnSO4 + H2O =>
5 C6H10 + 8 KMnO4 + 12 H2SO4 = 5 C4H8COOHCOOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
CH3COOH + NO2{-} = C5H7NO2 + CO2 + H2O + OH{-} =>
13 CH3COOH + 4 NO2{-} = 4 C5H7NO2 + 6 CO2 + 10 H2O + 4 OH{-}
NH4Cl + Ca[OH]2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca[OH]2 = CaCl2 + 2 NH3 + 2 H2O
Sb2O3 + H2O2 = Sb2O5 + H2O =>
Sb2O3 + 2 H2O2 = Sb2O5 + 2 H2O
Al2O3 + Ca(OH)2 = Al(OH)3 + CaO =>
Al2O3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaO
Na2S2O3 = SO2 + Na + S =>
2 Na2S2O3 = 3 SO2 + 4 Na + S
N2F4 + HF = NH4 + F2 =>
N2F4 + 8 HF = 2 NH4 + 6 F2
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
NH4Cl + KCl = KNH4 + Cl2 =>
NH4Cl + KCl = KNH4 + Cl2
BrO3 + SO2 = SO4 + Br2 =>
2 BrO3 + 3 SO2 = 3 SO4 + Br2
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