| Équations équilibrées la veille |
Be + S = BeS
HI2 = H + I =>
HI2 = H + 2 I
AgNO2 + KCl = KNO2 + AgCl =>
AgNO2 + KCl = KNO2 + AgCl
(CH3COO)2Mg + H2O = MgO + CH3COOH =>
(CH3COO)2Mg + H2O = MgO + 2 CH3COOH
FeSO4 + KMnO4 = KFeO4 + MnSO4 =>
FeSO4 + KMnO4 = KFeO4 + MnSO4
Ca3(PO4)2 + SiO2 + C2 = Ca2O4Si + P + CO =>
2 Ca3(PO4)2 + 3 SiO2 + 5 C2 = 3 Ca2O4Si + 4 P + 10 CO
S2O8 + CH2BrCl + H2O = CO2 + HSO4 + HBrCl =>
5 S2O8 + 2 CH2BrCl + 4 H2O = 2 CO2 + 10 HSO4 + 2 HBrCl
MgSO4 + Cl2 + H2O = MgCl2 + H2SO4 + O2 =>
2 MgSO4 + 2 Cl2 + 2 H2O = 2 MgCl2 + 2 H2SO4 + O2
Zn + HNO3 = Zn(NO3) + NH4N3 + H2O =>
24 Zn + 28 HNO3 = 24 Zn(NO3) + NH4N3 + 12 H2O
As2S3 + HClO4 + H2O = H3AsO4 + HCl + H2SO4 =>
2 As2S3 + 7 HClO4 + 12 H2O = 4 H3AsO4 + 7 HCl + 6 H2SO4
Na2CrO4 + Na2SO3 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
2 Na2CrO4 + 3 Na2SO3 + 5 H2SO4 = 5 Na2SO4 + Cr2(SO4)3 + 5 H2O
ZnO + HClO3 = H2O + Zn(ClO3)2 =>
ZnO + 2 HClO3 = H2O + Zn(ClO3)2
AlCl2 + Pb(NO3)2 = Al(NO3)2 + PbCl2 =>
AlCl2 + Pb(NO3)2 = Al(NO3)2 + PbCl2
V2S5 + N2 = V3N5 + S8 =>
24 V2S5 + 40 N2 = 16 V3N5 + 15 S8
H2SO4 + K = KHSO4 + SO2 + H2O =>
3 H2SO4 + 2 K = 2 KHSO4 + SO2 + 2 H2O
MoO3(c) + Zn(c) + H2SO4(l) = Mo2O3(c) + ZnSO4(aq) + H2O(l) =>
2 MoO3(c) + 3 Zn(c) + 3 H2SO4(l) = Mo2O3(c) + 3 ZnSO4(aq) + 3 H2O(l)
H1X + Mg = MgX2 + H2 =>
2 H1X + Mg = MgX2 + H2
SO3 + NaHSO4 = NaHSO3 + SO4 =>
SO3 + NaHSO4 = NaHSO3 + SO4
Hg(NO3)2 + FeSO4 = Fe(NO3)3 + Fe2(SO4)3 + Hg =>
3 Hg(NO3)2 + 6 FeSO4 = 2 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 Hg
Ni(CN)2 + H3O{+} = Ni{2+} + HCN + H2O =>
Ni(CN)2 + 2 H3O{+} = Ni{2+} + 2 HCN + 2 H2O
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
Al2O3 + H3PO4 + H2O = (Al(OH)2)3PO4 =>
3 Al2O3 + 2 H3PO4 + 3 H2O = 2(Al(OH)2)3PO4
Na3P + H2O = NaOH + PH3 =>
Na3P + 3 H2O = 3 NaOH + PH3
H2SO4 + HBr = Br2 + H2O + SO2 =>
H2SO4 + 2 HBr = Br2 + 2 H2O + SO2
[N(C2H5)4]2[Zn(C3S5)2] + C6H5COCl = C3S3(SC(O)C6H5)2 + [N(C2H5)4]2[ZnCl4] =>
[N(C2H5)4]2[Zn(C3S5)2] + 4 C6H5COCl = 2 C3S3(SC(O)C6H5)2 + [N(C2H5)4]2[ZnCl4]
Co(OH)3 + K2S = Co2S3 + KOH =>
2 Co(OH)3 + 3 K2S = Co2S3 + 6 KOH
CaCl2(ac) + NaOH(ac) = Ca(OH)2(s) + NaCl(aq) =>
CaCl2(ac) + 2 NaOH(ac) = Ca(OH)2(s) + 2 NaCl(aq)
NH4HCO3 + Ca(ClO)2 = Ca(HCO3)2 + NH4ClO =>
2 NH4HCO3 + Ca(ClO)2 = Ca(HCO3)2 + 2 NH4ClO
KBrO3 + H2SO4 + FeSO4 = K2SO4 + Fe2(SO4)3 + Br2 + H2O =>
2 KBrO3 + 6 H2SO4 + 10 FeSO4 = K2SO4 + 5 Fe2(SO4)3 + Br2 + 6 H2O
C6H6 + H2SO4 = C6H5SO3H + H2O =>
C6H6 + H2SO4 = C6H5SO3H + H2O
Cr3O4 + H2 = Cr + H2O =>
Cr3O4 + 4 H2 = 3 Cr + 4 H2O
CaCO3 + AgNO3 = Ca(NO3)2 + Ag2(CO3) =>
CaCO3 + 2 AgNO3 = Ca(NO3)2 + Ag2(CO3)
NaCl = Na + Cl =>
NaCl = Na + Cl
Ni(NO3)2 + NH4(OH) = NH4(NO3)2 + NiOH =>
Ni(NO3)2 + NH4(OH) = NH4(NO3)2 + NiOH
(CH3)2CHCOOH + Br2 = (CH3)2CBrCOOH + HBr =>
(CH3)2CHCOOH + Br2 = (CH3)2CBrCOOH + HBr
Al + H2CrO4 = AlCrO4 + H =>
Al + H2CrO4 = AlCrO4 + 2 H
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
KCl + HCl = Cl + KH =>
KCl + HCl = 2 Cl + KH
Ca + O = CaO =>
Ca + O = CaO
Cr(OH)3 = CrOOH + H2O =>
Cr(OH)3 = CrOOH + H2O
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
C3H7I + HI = C3H8 + I2 =>
C3H7I + HI = C3H8 + I2
K2Cr2O7 + HI + H2SO4 = Cr2(SO4) + I2 + K2SO4 + H2O =>
K2Cr2O7 + 10 HI + 2 H2SO4 = Cr2(SO4) + 5 I2 + K2SO4 + 7 H2O
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
NO + {2} = NO{2} =>
NO + {2} = NO{2}
CrO3 + HCl = CrCl3 + Cl2 + H2O =>
2 CrO3 + 12 HCl = 2 CrCl3 + 3 Cl2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + O2 = Al2O5 =>
4 Al + 5 O2 = 2 Al2O5
I3{-} + S2O3{2-} + H2O = I{-} + SO4{2-} + H{+} =>
4 I3{-} + S2O3{2-} + 5 H2O = 12 I{-} + 2 SO4{2-} + 10 H{+}
Li + NaPO3 = Na2O + Li2O + P2 =>
10 Li + 2 NaPO3 = Na2O + 5 Li2O + P2
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