| Équations équilibrées la veille |
2 Cu3As + 3 H2SO4 + 11 H2O2 = Cu3(AsO4)2 + 3 CuSO4 + 14 H2O
AgNO3 + Cu2 = CuN2O6 + Ag =>
4 AgNO3 + Cu2 = 2 CuN2O6 + 4 Ag
Ca3(PO4)2 + SiO2 + C = P4(s) + CaSiO3 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = P4(s) + 6 CaSiO3 + 10 CO
NaOH + FeSO4*H2O = Fe(OH)2 + Na2SO4 + H2O =>
2 NaOH + FeSO4*H2O = Fe(OH)2 + Na2SO4 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AlCl3 + H2O = Al(OH)3 + HCl =>
AlCl3 + 3 H2O = Al(OH)3 + 3 HCl
B2S3(s) + H2O(l) = H3BO3(aq) + H2S(g) =>
B2S3(s) + 6 H2O(l) = 2 H3BO3(aq) + 3 H2S(g)
SnO2 + MnO4 = SnO3 + Mn2 =>
8 SnO2 + 2 MnO4 = 8 SnO3 + Mn2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Na2S2O3 + KMnO4 + H2SO4 = Na2SO4 + MnO2 + K2SO4 + H2O =>
3 Na2S2O3 + 8 KMnO4 + H2SO4 = 3 Na2SO4 + 8 MnO2 + 4 K2SO4 + H2O
NH4Br + KOH = NH4OH + BrK =>
NH4Br + KOH = NH4OH + BrK
Li(cr) + O2 = Li2O =>
4 Li(cr) + O2 = 2 Li2O
CH3CH2OH + O2 = CO8 + H2O =>
CH3CH2OH + 9 O2 = 2 CO8 + 3 H2O
NH4ClO4 = N2 + ClO2 + H2O =>
2 NH4ClO4 = N2 + 2 ClO2 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HgCl + NH4OH = HgOH + NH4Cl =>
HgCl + NH4OH = HgOH + NH4Cl
Al + CuCl = Al2Cl + Cu =>
2 Al + CuCl = Al2Cl + Cu
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
C3H8O + KMnO4 = C3H6O2 + H2O + K2O + Mn =>
7 C3H8O + 4 KMnO4 = 7 C3H6O2 + 7 H2O + 2 K2O + 4 Mn
X2CO3 + HCl = XCl + H2O + CO2 =>
X2CO3 + 2 HCl = 2 XCl + H2O + CO2
C2H6O + K2Cr3O7 + HCl = C3H6O + CrCl3 + H2O + KCl =>
9 C2H6O + 4 K2Cr3O7 + 44 HCl = 6 C3H6O + 12 CrCl3 + 31 H2O + 8 KCl
K + Na(NO3) = KNa(NO3) =>
K + Na(NO3) = KNa(NO3)
C5H8NNaO4 + HCl = H9O4 + C5NNaCl =>
C5H8NNaO4 + HCl = H9O4 + C5NNaCl
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
N(g) + H2(g) = NH3 =>
2 N(g) + 3 H2(g) = 2 NH3
K2Cr2O7 + Na2C2O4 + HCl = CrCl3 + KCl + NaCl + CO2 + H2O =>
K2Cr2O7 + 3 Na2C2O4 + 14 HCl = 2 CrCl3 + 2 KCl + 6 NaCl + 6 CO2 + 7 H2O
CaO + H2O2 = CaH2O3 =>
CaO + H2O2 = CaH2O3
KCO + Cl = KCl + CO =>
KCO + Cl = KCl + CO
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C4H12O + Cr2O7{-2} + H{+} = C4H9O2 + Cr{+3} + H2O =>
6 C4H12O + 5 Cr2O7{-2} + 40 H{+} = 6 C4H9O2 + 10 Cr{+3} + 29 H2O
AgNo3(aq)HCl3(aq) = AgCl3(s)HNo3(aq) =>
AgNo3(aq)HCl3(aq) = AgCl3(s)HNo3(aq)
H2SO4(aq) + LiOH(aq) = H2O(l) + Li2SO4(aq) =>
H2SO4(aq) + 2 LiOH(aq) = 2 H2O(l) + Li2SO4(aq)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
K2TaF7 + H2SO4 + H2O = Ta2O5 + K2SO4 + HF =>
2 K2TaF7 + 2 H2SO4 + 5 H2O = Ta2O5 + 2 K2SO4 + 14 HF
FeO + HNO3 = Fe(NO3)3 + NO + H2O =>
3 FeO + 10 HNO3 = 3 Fe(NO3)3 + NO + 5 H2O
H + SCN = HSCN =>
H + SCN = HSCN
SrI2 + Na2SO4 = SrSO4 + Na + I2 =>
SrI2 + Na2SO4 = SrSO4 + 2 Na + I2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
H2SO3 + Sr(OH)2 = Sr(SO3) + H2O =>
H2SO3 + Sr(OH)2 = Sr(SO3) + 2 H2O
Ag + H2SO4 = Ag2SO4 + H2O + SO2 =>
2 Ag + 2 H2SO4 = Ag2SO4 + 2 H2O + SO2
H2SO3 + Sr(OH)2 = Sr(SO3) + H2O =>
H2SO3 + Sr(OH)2 = Sr(SO3) + 2 H2O
Mg(ClO3)2 = MgCl2 + O3 =>
Mg(ClO3)2 = MgCl2 + 2 O3
[FeS2] + [NO3]{-} + H{+} = [SO4]{2-} + NO + H2O + Fe{3+} =>
[FeS2] + 5[NO3]{-} + 4 H{+} = 2[SO4]{2-} + 5 NO + 2 H2O + Fe{3+}
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
CuBr2 + K2SO4 = CuSO4 + K2Br2 =>
CuBr2 + K2SO4 = CuSO4 + K2Br2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P2O3 + K2Cr2O7 + H2SO4 + H2O = Cr2(SO4)3 + K2SO4 + H3PO4 =>
3 P2O3 + 2 K2Cr2O7 + 8 H2SO4 + H2O = 2 Cr2(SO4)3 + 2 K2SO4 + 6 H3PO4
HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O =>
2 HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O
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