| Équations équilibrées la veille |
K2Cr2O7 + 3 Na2SO3 + 8 HCl = 3 Na2SO4 + 2 CrCl3 + 2 KCl + 4 H2O
CaCl2 + H2O2 = Ca(OH)2 + Cl2 =>
CaCl2 + H2O2 = Ca(OH)2 + Cl2
NO3{-} + S{2-} + H{+} = NO + SO4{2-} + H2O =>
8 NO3{-} + 3 S{2-} + 8 H{+} = 8 NO + 3 SO4{2-} + 4 H2O
H2SO4 + Cr = Cr2H2SO4 =>
H2SO4 + 2 Cr = Cr2H2SO4
H2SO4 + OH + BaCl2 = BaSO4 + H2O + Cl =>
H2SO4 + 2 OH + BaCl2 = BaSO4 + 2 H2O + 2 Cl
HCl + Sn = SnCl2 + H2 =>
2 HCl + Sn = SnCl2 + H2
NH4OH + Ca(NO3)2 = CaH4OH + N(NO3)2 =>
NH4OH + Ca(NO3)2 = CaH4OH + N(NO3)2
KI(aq) + BaS(aq) = K2S(s) + BaI2(s) =>
2 KI(aq) + BaS(aq) = K2S(s) + BaI2(s)
MgCl2 + Na2C2O4 = NaCl + MgC2O4 =>
MgCl2 + Na2C2O4 = 2 NaCl + MgC2O4
HgNO3 + NiCl2 = Ni(NO3)2 + HgCl =>
2 HgNO3 + NiCl2 = Ni(NO3)2 + 2 HgCl
PbCO3 + CH3COOH = H2O + CO2 + Pb(CH3COO)2 =>
PbCO3 + 2 CH3COOH = H2O + CO2 + Pb(CH3COO)2
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
CH3Cl + KOH = CH3OH + KCl =>
CH3Cl + KOH = CH3OH + KCl
KBrO3 + KI + HCl = KBr + KCl + H2O + I2 =>
KBrO3 + 6 KI + 6 HCl = KBr + 6 KCl + 3 H2O + 3 I2
Na2C2O4 + KMnO4 + H = CO2 + MnO2 + H2O + NaK =>
Na2C2O4 + 2 KMnO4 + 8 H = 2 CO2 + 2 MnO2 + 4 H2O + 2 NaK
MnCO3 + H3PO4 = Mn3(PO4)2 + H2O + CO2 =>
3 MnCO3 + 2 H3PO4 = Mn3(PO4)2 + 3 H2O + 3 CO2
BCl3 + NO = B2O3 + N2 + Cl2 =>
4 BCl3 + 6 NO = 2 B2O3 + 3 N2 + 6 Cl2
Ba(OH)2 + Al2O3 = Ba3(AlO3)2 + H2O =>
3 Ba(OH)2 + Al2O3 = Ba3(AlO3)2 + 3 H2O
Na2SiO3 = Na + Si + O2 =>
2 Na2SiO3 = 4 Na + 2 Si + 3 O2
Na2Cr2O7 + Cu(NO3)2 = CuCr2O7 + Na2(NO3)2 =>
Na2Cr2O7 + Cu(NO3)2 = CuCr2O7 + Na2(NO3)2
I2 + NO3H = NO2 + H2O + HIO3 =>
I2 + 10 NO3H = 10 NO2 + 4 H2O + 2 HIO3
NaOH + MgSO4 = Mg(OH)2 + Na2SO4 =>
2 NaOH + MgSO4 = Mg(OH)2 + Na2SO4
C2H5OH + C8H9NO = C10H15NO2 =>
C2H5OH + C8H9NO = C10H15NO2
Cr(NO3)2 + Na2SO3 = CrSO3 + NaNO3 =>
Cr(NO3)2 + Na2SO3 = CrSO3 + 2 NaNO3
C = C32 =>
32 C = C32
Li2CO3 + Cr(NO3)3 = Cr2(CO3)3 + LiNO3 =>
3 Li2CO3 + 2 Cr(NO3)3 = Cr2(CO3)3 + 6 LiNO3
Ag2S + MgBr2 = AgBr + MgS =>
Ag2S + MgBr2 = 2 AgBr + MgS
Sn + ZnS = SnS + Zn =>
Sn + ZnS = SnS + Zn
C6H14O + MnO4{-} + H3O{+} = Mn + C6H12O + H2O =>
7 C6H14O + 2 MnO4{-} + 2 H3O{+} = 2 Mn + 7 C6H12O + 10 H2O
CoO = Co + O =>
CoO = Co + O
Ni3N2 + MgF2 = Mg3N2 + NiF2 =>
Ni3N2 + 3 MgF2 = Mg3N2 + 3 NiF2
P4(s) + O2(g) = P4O10 =>
P4(s) + 5 O2(g) = P4O10
PbS + O2 = (PbO)2PbSO4 + SO2 =>
3 PbS + 5 O2 = (PbO)2PbSO4 + 2 SO2
Na2S + MnCl3 = NaCl + Mn2S3 =>
3 Na2S + 2 MnCl3 = 6 NaCl + Mn2S3
C3H(g) + O2(g) = H2O(g) + CO2(g) =>
4 C3H(g) + 13 O2(g) = 2 H2O(g) + 12 CO2(g)
H2SO4 + Cs = H2 + CsSO4 =>
H2SO4 + Cs = H2 + CsSO4
CH3COOH + NaHCO3 = CO2 + HOH + Na =>
CH3COOH + 8 NaHCO3 = 10 CO2 + 6 HOH + 8 Na
C2H6O + Cr2O7{2-} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H6O + 2 Cr2O7{2-} + 16 H{+} = 3 C2H4O2 + 4 Cr{3+} + 11 H2O
mercury(ii)nitrate = mercury(ii)oxide + nitrogendioxide + oxygen =>
2 Hg(NO3)2 = 2 HgO + 4 NO2 + O2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + CO2 + H2O + MnSO4 + HNO3 =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 60 CO2 + 188 H2O + 122 MnSO4 + 60 HNO3
C6H14N4O2 + NaOH = C6H12N3O3Na + NH3 =>
C6H14N4O2 + NaOH = C6H12N3O3Na + NH3
CH3COOH + Ba3(PO4)2 + H2 = COOPO4 + Ba3OH + CH4 =>
5 CH3COOH + 2 Ba3(PO4)2 + 3 H2 = 4 COOPO4 + 2 Ba3OH + 6 CH4
C12H22O11 + Ca(OH)2 = CaOC12H22O11 + H2O =>
C12H22O11 + Ca(OH)2 = CaOC12H22O11 + H2O
Cd(NO3)2 + Hg2S = CdS + Hg2(NO3)2 =>
Cd(NO3)2 + Hg2S = CdS + Hg2(NO3)2
Cu(NO3)2 + H2SO4 + NaOH = Cu(OH)2 + Na2SO4 + HNO3 =>
Cu(NO3)2 + H2SO4 + 2 NaOH = Cu(OH)2 + Na2SO4 + 2 HNO3
K + Cl + O = KClO =>
K + Cl + O = KClO
Cu3AsS4 + HNO3 = Cu(NO3)2 + H3AsO4 + H2SO4 + NO2 + H2O =>
Cu3AsS4 + 41 HNO3 = 3 Cu(NO3)2 + H3AsO4 + 4 H2SO4 + 35 NO2 + 15 H2O
O2 + FeS = FeO3 + S =>
3 O2 + 2 FeS = 2 FeO3 + 2 S
V2O5 + KI + H2SO4 = VSO4 + I2 + K2SO4 + H2O =>
V2O5 + 6 KI + 5 H2SO4 = 2 VSO4 + 3 I2 + 3 K2SO4 + 5 H2O
NaH2PO4 + HCl + H2O = NaCl + HPO4 + H3O =>
NaH2PO4 + HCl + 2 H2O = NaCl + HPO4 + 2 H3O
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