| Équations équilibrées la veille |
3 BeCl2 + 2 Na3PO4 = 6 NaCl + Be3(PO4)2
FeO + K2Cr2O7 = KCr2O7 + KO + Fe =>
FeO + K2Cr2O7 = KCr2O7 + KO + Fe
I2 + CCl4 = CI2Cl4 =>
I2 + CCl4 = CI2Cl4
H2SO4 + BOH = B2SO4 + H2O =>
H2SO4 + 2 BOH = B2SO4 + 2 H2O
K2Cr2O7 + HCl = Cl + CrCl3 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 6 Cl + 2 CrCl3 + 2 KCl + 7 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
HCOOH + Al2O3 = Al(COOH)3 + H2O =>
6 HCOOH + Al2O3 = 2 Al(COOH)3 + 3 H2O
BeCl2 = Be2 + Cl =>
2 BeCl2 = Be2 + 4 Cl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
BeO(s)H2O(l) = Be(OH)2 =>
BeO(s)H2O(l) = Be(OH)2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HBrO3 + SO2 + H2O = SBr2 + H2SO4 =>
2 HBrO3 + 8 SO2 + 6 H2O = SBr2 + 7 H2SO4
C3H6O2 + O2 = CO2 + CH4 =>
2 C3H6O2 + O2 = 3 CO2 + 3 CH4
Na2SeSO3 + SnCl2 + H2SO4 = Na2SeO4 + SnCl4 + SnS2 + H2O =>
3 Na2SeSO3 + 4 SnCl2 + H2SO4 = 3 Na2SeO4 + 2 SnCl4 + 2 SnS2 + H2O
BeO + O2 = BeO3 =>
BeO + O2 = BeO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
SIO2 + CO + Cl2 = CO2 + SICl4 =>
SIO2 + 2 CO + 2 Cl2 = 2 CO2 + SICl4
Ca(OH)2(aq) + HCl = CaCl2 + H2O =>
Ca(OH)2(aq) + 2 HCl = CaCl2 + 2 H2O
CrI3 + Cl2 + KOH = KI4 + K2CrO4 + KCl + H2O =>
8 CrI3 + 21 Cl2 + 64 KOH = 6 KI4 + 8 K2CrO4 + 42 KCl + 32 H2O
CH2 = C4H8 =>
4 CH2 = C4H8
Na2SO4 + K4Fe(CN)6 + Zn(NO3)2 = Zn2Fe(CN)6 + NaNO3 + K2SO4 =>
2 Na2SO4 + K4Fe(CN)6 + 2 Zn(NO3)2 = Zn2Fe(CN)6 + 4 NaNO3 + 2 K2SO4
Bi(OH)3 + SnCl2 = BiCl3 + Sn(OH)2 =>
2 Bi(OH)3 + 3 SnCl2 = 2 BiCl3 + 3 Sn(OH)2
PbCO3 + HNO2 = Pb(NO2)2 + H2O + CO2 =>
PbCO3 + 2 HNO2 = Pb(NO2)2 + H2O + CO2
BeSO4 + NaOH = BeO + Na2SO4 + H2O =>
BeSO4 + 2 NaOH = BeO + Na2SO4 + H2O
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
Al + Zn(N3)2 = Zn + Al2(N3)3 =>
4 Al + 3 Zn(N3)2 = 3 Zn + 2 Al2(N3)3
Cr(NO3)2 + KClO3 + KNO3 + H2O = K2Cr2O7 + KCl + HNO3 =>
6 Cr(NO3)2 + 4 KClO3 + 6 KNO3 + 9 H2O = 3 K2Cr2O7 + 4 KCl + 18 HNO3
I{-} + MnO4{-} + H{+} = H5IO6 + Mn{2+} + H2O =>
5 I{-} + 8 MnO4{-} + 29 H{+} = 5 H5IO6 + 8 Mn{2+} + 2 H2O
NiSO4*6H2O + H2O = NiSO4*7H2O =>
NiSO4*6H2O + H2O = NiSO4*7H2O
(CH3)2CHCH2OH + KMnO4 + H2SO4 = (CH3)2CHCH2COOH + K2SO4 + MnO2 + H2O =>
15(CH3)2CHCH2OH + 16 KMnO4 + 8 H2SO4 = 12(CH3)2CHCH2COOH + 8 K2SO4 + 16 MnO2 + 23 H2O
C57H110O6 + NaOH = CH3(CH2)16COONa + C3H5(OH)3 =>
C57H110O6 + 3 NaOH = 3 CH3(CH2)16COONa + C3H5(OH)3
AgSO4 + CuNO3 = AgNO3 + CuSO4 =>
AgSO4 + CuNO3 = AgNO3 + CuSO4
H{+} + Cr2O7{-2} + C2O4{-2} = Cr{3+} + CO2 + H2O =>
14 H{+} + Cr2O7{-2} + 3 C2O4{-2} = 2 Cr{3+} + 6 CO2 + 7 H2O
H2 + Se = H2Se(g) =>
H2 + Se = H2Se(g)
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Br + S = Br2S =>
2 Br + S = Br2S
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
NH3*H2O + NaCl = NaOH + NH4Cl =>
NH3*H2O + NaCl = NaOH + NH4Cl
Fe(NO3)3 + AgF = FeF3 + AgNO3 =>
Fe(NO3)3 + 3 AgF = FeF3 + 3 AgNO3
Fe(OH)3 + OH = FeO4 + H =>
Fe(OH)3 + OH = FeO4 + 4 H
Br2 + CH2Cl2 = HBr + CHCl2Br =>
Br2 + CH2Cl2 = HBr + CHCl2Br
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H6TeO6 + HI = H2O + TeO2 + I2 =>
H6TeO6 + 2 HI = 4 H2O + TeO2 + I2
C18H37N5O9 + O2 = CO2 + N + H2O =>
4 C18H37N5O9 + 91 O2 = 72 CO2 + 20 N + 74 H2O
HCN + HSO3{-} = CN{-} + H2SO3 =>
HCN + HSO3{-} = CN{-} + H2SO3
H2SO + BaCl2 = HCl + BaSO =>
H2SO + BaCl2 = 2 HCl + BaSO
LiOH + H2S = Li2S + H2O =>
2 LiOH + H2S = Li2S + 2 H2O
I2(s) + CHCl3 = CCl3I(aq) + HI(aq) =>
I2(s) + CHCl3 = CCl3I(aq) + HI(aq)
Fe(ClO4)3 + NaNO3 = NaClO4 + Fe(NO3)3 =>
Fe(ClO4)3 + 3 NaNO3 = 3 NaClO4 + Fe(NO3)3
Br2 + H2O = BrO3{-} + Br{-} + H{+} =>
3 Br2 + 3 H2O = BrO3{-} + 5 Br{-} + 6 H{+}
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