| Équations équilibrées la veille |
4 Fe + 3 O2H2O = 2 Fe2O3 + 3 H2O
H2SO4(aq) + Cu(NO3)2(aq) = CuSO4 + H2(NO3)2 =>
H2SO4(aq) + Cu(NO3)2(aq) = CuSO4 + H2(NO3)2
H2(g) + Br2(aq) = HBr(aq) =>
H2(g) + Br2(aq) = 2 HBr(aq)
O + He = OHe =>
O + He = OHe
PbO + Br2 + H2O = PbO2 + HBr =>
PbO + Br2 + H2O = PbO2 + 2 HBr
Cr2O7{2-} + CH3OH + H{+} = HCO2H + Cr{3+} + H2O(l) =>
2 Cr2O7{2-} + 3 CH3OH + 16 H{+} = 3 HCO2H + 4 Cr{3+} + 11 H2O(l)
Cr2O3 + Ba(OH)2 = Ba3(CrO3)2 + H2O =>
Cr2O3 + 3 Ba(OH)2 = Ba3(CrO3)2 + 3 H2O
C14H10O4 + H2O2 = C2H5OH + CO2 =>
9 C14H10O4 + 57 H2O2 = 34 C2H5OH + 58 CO2
NH4NO2 + H2O2 = NO2 + H2O =>
NH4NO2 + 4 H2O2 = 2 NO2 + 6 H2O
CH3CHCH3CH2OH + CH3COOH = CH3COOCH2CHCH3CH3 + H2O =>
CH3CHCH3CH2OH + CH3COOH = CH3COOCH2CHCH3CH3 + H2O
K2S + H2SiO3 = H2S + K2SiO3 =>
K2S + H2SiO3 = H2S + K2SiO3
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
CuCO3 + NHO3 = Cu(NO3)2 + H2O + CO2 =>
CuCO3 + 2 NHO3 = Cu(NO3)2 + H2O + CO2
BaCr2O7 + NaOH = Na2Cr2O7 + Ba(OH)2 =>
BaCr2O7 + 2 NaOH = Na2Cr2O7 + Ba(OH)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H3C6H5O7 + Ca(OH)2 = Ca3(C6H5O7)2 + H2O =>
2 H3C6H5O7 + 3 Ca(OH)2 = Ca3(C6H5O7)2 + 6 H2O
H2SO4 + B(HO)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(HO)3 = B2(SO4)3 + 6 H2O
C2H5Br + KOH = C2H5OH + KBr =>
C2H5Br + KOH = C2H5OH + KBr
HNO3 + Cl = HCl + NO3 =>
HNO3 + Cl = HCl + NO3
CaI2 + H2SO4 = HI + CaSO4 =>
CaI2 + H2SO4 = 2 HI + CaSO4
(NH4)2SO4(aq) + BaBr2(aq) = BaSO4 + NH4Br =>
(NH4)2SO4(aq) + BaBr2(aq) = BaSO4 + 2 NH4Br
K{+} + I{-} = KI =>
K{+} + I{-} = KI
Cr + KOH + H2O = K[Cr(OH)4] + H =>
Cr + KOH + 3 H2O = K[Cr(OH)4] + 3 H
HClO + H2O = ClO{-} + H3O{+} =>
HClO + H2O = ClO{-} + H3O{+}
Al + ClO = AlClO =>
Al + ClO = AlClO
FeCl3 + CuCo3 = Fe2(Co3)3 + CuCl2 =>
2 FeCl3 + 3 CuCo3 = Fe2(Co3)3 + 3 CuCl2
Fe + HNO2 = Fe(NO2)2 + NO + H2O =>
Fe + 4 HNO2 = Fe(NO2)2 + 2 NO + 2 H2O
Fe(OH)2 + Cl2 + H2SO4 = Fe2(SO4)3 + FeCl3 + H2O =>
6 Fe(OH)2 + 3 Cl2 + 6 H2SO4 = 2 Fe2(SO4)3 + 2 FeCl3 + 12 H2O
Na2CO3 + Ba = BaNa2 + CO3 =>
Na2CO3 + Ba = BaNa2 + CO3
Cu{2+} + (OH){-} = Cu(OH)2 =>
Cu{2+} + 2(OH){-} = Cu(OH)2
Ba(C2H3O2)2 + Na2(CrO4) = BaCrO4 + NaC2H3O2 =>
Ba(C2H3O2)2 + Na2(CrO4) = BaCrO4 + 2 NaC2H3O2
KMnO4 + Na2SO3 + NaHCO3 = K2SO4 + MnSO4 + Na2SO4 + Na2CO3 + H2O =>
2 KMnO4 + 5 Na2SO3 + 6 NaHCO3 = K2SO4 + 2 MnSO4 + 2 Na2SO4 + 6 Na2CO3 + 3 H2O
Mn(s) + HBr(aq) = MnBr(aq) + H2(g) =>
2 Mn(s) + 2 HBr(aq) = 2 MnBr(aq) + H2(g)
NaHCO3(s) + CH3COOH = H2O(l) + CO2(g) + CH3COONa(aq) =>
NaHCO3(s) + CH3COOH = H2O(l) + CO2(g) + CH3COONa(aq)
C + O2 = CO2 =>
C + O2 = CO2
H2Cr2O7 + H2O = HCr2O7 + H3O =>
H2Cr2O7 + H2O = HCr2O7 + H3O
B + NaOH + NaNO3 = Na3BO3 + NaNO2 + H2O =>
2 B + 6 NaOH + 3 NaNO3 = 2 Na3BO3 + 3 NaNO2 + 3 H2O
C5H12 + Br = C5H12Br =>
C5H12 + Br = C5H12Br
Mg(s) + HBr(aq) = H2(g) + MgBr2(aq) =>
Mg(s) + 2 HBr(aq) = H2(g) + MgBr2(aq)
(NH4)2S + BaCl2 = (NH4)Cl + BaS =>
(NH4)2S + BaCl2 = 2(NH4)Cl + BaS
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
BaCr2O7 + NaOH = Na2Cr2O7 + Ba(OH)2 =>
BaCr2O7 + 2 NaOH = Na2Cr2O7 + Ba(OH)2
C3H6 + H2O = C3H8O =>
C3H6 + H2O = C3H8O
NaCN + HBr = NaBr + HCN =>
NaCN + HBr = NaBr + HCN
Li + S + O2 = Li2SO4 =>
2 Li + S + 2 O2 = Li2SO4
SrCl2 + (NH4)2C2O4 = SrC2O4 + NH4Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2 NH4Cl
NaCl + H2SO4 = HCl(aq) + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl(aq) + Na2SO4
Cl(g) + KI(aq) = I(s) + KCl(aq) =>
Cl(g) + KI(aq) = I(s) + KCl(aq)
C + O2 = CO2 =>
C + O2 = CO2
PbCO3 + CH3COOH = CO2 + H2O + CH3COOPb =>
8 PbCO3 + 9 CH3COOH = 10 CO2 + 6 H2O + 8 CH3COOPb
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Équations équilibrées sur10/26/24
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