| Équations équilibrées la veille |
2 HCOOH + Ba(OH)2 = Ba(HCOO)2 + 2 H2O
Cu(OH)2 + NaCl = CuCl2 + NaOH =>
Cu(OH)2 + 2 NaCl = CuCl2 + 2 NaOH
Cu(s) + HNO3(l) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(l) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
C3H8(g) + Cl2(g) = C3Cl8(s) + HCl(g) =>
C3H8(g) + 8 Cl2(g) = C3Cl8(s) + 8 HCl(g)
CH{4+} + O2 = CO{2+} + H{2+}O =>
2 CH{4+} + O2 = 2 CO{2+} + 2 H{2+}O
NaH + HNO3 = NaNO2 + H2O =>
NaH + HNO3 = NaNO2 + H2O
MnO + H2O = Mn(OH)2 =>
MnO + H2O = Mn(OH)2
K2[HgI4] + NH3 + KOH = [Hg2ONH2]I + KI + H2O =>
2 K2[HgI4] + NH3 + 3 KOH = [Hg2ONH2]I + 7 KI + 2 H2O
KOH + I2 = KI + KIO3 + H2O =>
6 KOH + 3 I2 = 5 KI + KIO3 + 3 H2O
H2Se + Mg(OH)2 = Mg(HSe)2 + H2O =>
2 H2Se + Mg(OH)2 = Mg(HSe)2 + 2 H2O
Zn + Pb(SO4) = Zn(SO4) + Pb =>
Zn + Pb(SO4) = Zn(SO4) + Pb
Fe + C2 = FeC =>
2 Fe + C2 = 2 FeC
K2S + O2 = K2SO3 =>
2 K2S + 3 O2 = 2 K2SO3
Mg(s) + H2O(l) = MgO(s) + H2(g) =>
Mg(s) + H2O(l) = MgO(s) + H2(g)
CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3(CO)CH3 + H2O =>
3 CH3CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3(CO)CH3 + 7 H2O
CoOHCl + NaOH = Co(OH)2 + NaCl =>
CoOHCl + NaOH = Co(OH)2 + NaCl
Al2O3 + NaOH + H2O = NaAl[(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 NaAl[(OH)4]
Fe + K2FeO4 = K2O + Fe2O3 =>
Fe + K2FeO4 = K2O + Fe2O3
B + Ar + Ga + In = BArGaIn =>
B + Ar + Ga + In = BArGaIn
KClO3 + MnO2 = K2O + Mn(ClO3)4 =>
4 KClO3 + MnO2 = 2 K2O + Mn(ClO3)4
Pb{2+} + HCl = PbCl2 + H{+} =>
Pb{2+} + 2 HCl = PbCl2 + 2 H{+}
VO2 + H2 = V + H2O =>
VO2 + 2 H2 = V + 2 H2O
HClO4 + Ni = NiClO4 + H2 =>
2 HClO4 + 2 Ni = 2 NiClO4 + H2
Ca(NO3)2 = Ca + NO3 =>
Ca(NO3)2 = Ca + 2 NO3
CuF2 + H2SO4 = CuSO4 + HF =>
CuF2 + H2SO4 = CuSO4 + 2 HF
SN(OH)2 + HCl = SNCl2 + H2O =>
SN(OH)2 + 2 HCl = SNCl2 + 2 H2O
Pt + HBr = PtBr4 + H2 =>
Pt + 4 HBr = PtBr4 + 2 H2
MnO2(s) + HCl(aq) = Cl2(g) + MnCl2(aq) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + MnCl2(aq) + 2 H2O(l)
H2O2 + CrCl3 + KOH = K2CrO4 + KCl + H2O =>
3 H2O2 + 2 CrCl3 + 10 KOH = 2 K2CrO4 + 6 KCl + 8 H2O
HBrO3 = Br2 + H2O + O2 =>
4 HBrO3 = 2 Br2 + 2 H2O + 5 O2
SO2 + CaCO3 + O2 + H2O = CaSO4*2H2O + CO2 =>
2 SO2 + 2 CaCO3 + O2 + 4 H2O = 2 CaSO4*2H2O + 2 CO2
NH3(g) + F2(g) = N2F4(g) + HF(g) =>
2 NH3(g) + 5 F2(g) = N2F4(g) + 6 HF(g)
HCl + CaCl2 = CaH2 + HCl2 =>
6 HCl + CaCl2 = CaH2 + 4 HCl2
H2SO4 + KMgO4 = K2SO4 + MgSO4 + H2O + O3 =>
9 H2SO4 + 6 KMgO4 = 3 K2SO4 + 6 MgSO4 + 9 H2O + 5 O3
H2ThO3 + SO2 = H2SO4 + ThO =>
H2ThO3 + SO2 = H2SO4 + ThO
K2O2 + H2O = KOH + H2O2 =>
K2O2 + 2 H2O = 2 KOH + H2O2
C + P = CP =>
C + P = CP
Mg(NO3)2 + KBr = MgBr2 + K(NO3) =>
Mg(NO3)2 + 2 KBr = MgBr2 + 2 K(NO3)
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
C6H12O6 + C2H5OH + CH4N2O = C56H81NO15 + H2O =>
61 C6H12O6 + 150 C2H5OH + 6 CH4N2O = 12 C56H81NO15 + 342 H2O
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3 =>
Co(OH)3 + Na2CO3 = CoCO3 + Na2(OH)3
HCl + Sn(OH)2 = SnCl2 + H2O =>
2 HCl + Sn(OH)2 = SnCl2 + 2 H2O
SB2S5 + HNO3 = H3SBO4 + H2SO4 + NO2 + H2O =>
SB2S5 + 34 HNO3 = 2 H3SBO4 + 4 H2SO4 + 34 NO2 + 10 H2O
Cl2 + KI + NaOH = NaCl + KIO3 + H2O =>
3 Cl2 + KI + 6 NaOH = 6 NaCl + KIO3 + 3 H2O
KH(IO3)2 + NaOH = KH(OH)2 + Na(IO3) =>
KH(IO3)2 + 2 NaOH = KH(OH)2 + 2 Na(IO3)
Na2CrO4 + NaNO2 + H2SO4 = NaNO3 + Na2SO4 + H2CrO3 =>
Na2CrO4 + NaNO2 + H2SO4 = NaNO3 + Na2SO4 + H2CrO3
K2SO3 + HBr = SO2 + H2O + KBr =>
K2SO3 + 2 HBr = SO2 + H2O + 2 KBr
CH3COONa + H3PO4 = Na3PO4 + CH3COOH =>
3 CH3COONa + H3PO4 = Na3PO4 + 3 CH3COOH
LiOH(aq) + CaCl2(aq) = LiCl + Ca(OH)2 =>
2 LiOH(aq) + CaCl2(aq) = 2 LiCl + Ca(OH)2
Ta + HF + HNO3 = H2[TaF7] + NO + H2O =>
3 Ta + 21 HF + 5 HNO3 = 3 H2[TaF7] + 5 NO + 10 H2O
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