Équations équilibrées la veille |
Zn + K2SO3 = ZnSO3 + 2 K
FeCl2(s) + CaO(s) + C = CaCl2(s) + Fe + CO(g) =>
FeCl2(s) + CaO(s) + C = CaCl2(s) + Fe + CO(g)
C2H5CO2H + Na2CO3 = NaC2H5CO2H + CO2 + H2O =>
15 C2H5CO2H + 7 Na2CO3 = 14 NaC2H5CO2H + 10 CO2 + 3 H2O
NaOH + K2SO3 = KOH + Na2SO3 =>
2 NaOH + K2SO3 = 2 KOH + Na2SO3
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
C17H36 + O2 = CO2 + H2O =>
C17H36 + 26 O2 = 17 CO2 + 18 H2O
C4H8 + Br2 = Br2C4H8 =>
C4H8 + Br2 = Br2C4H8
C6H12(g) + O2(g) = CO2(g) + H2O(g) =>
C6H12(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
Br2O + CuO = CuBr2 + O2 =>
Br2O + CuO = CuBr2 + O2
H2 + CuO = Cu + H2O =>
H2 + CuO = Cu + H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
Cl2 + NaOH + NaHSO3 = NaCl + Na2SO4 + H2O =>
Cl2 + 3 NaOH + NaHSO3 = 2 NaCl + Na2SO4 + 2 H2O
KH(IO3)2 + KOH = KIO3 + H2O =>
KH(IO3)2 + KOH = 2 KIO3 + H2O
Zn + Na2CrO4 + NaOH = Na2ZnO2 + NaCrO2 + HOH =>
3 Zn + 2 Na2CrO4 + 4 NaOH = 3 Na2ZnO2 + 2 NaCrO2 + 2 HOH
U(s) + O2(g) = UO6(s) =>
U(s) + 3 O2(g) = UO6(s)
PbO + HNO3 = Pb(NO3)2 + H2O =>
PbO + 2 HNO3 = Pb(NO3)2 + H2O
CoSO4 + Na2S2 = CoS2 + Na2SO4 =>
CoSO4 + Na2S2 = CoS2 + Na2SO4
Zn + Cr2O7{-2} + H{+} = Zn{2+} + Cr{2+} + H2O =>
4 Zn + Cr2O7{-2} + 14 H{+} = 4 Zn{2+} + 2 Cr{2+} + 7 H2O
Cu3(PO4)2 + H3PO4 = Cu(H2PO4)2 =>
Cu3(PO4)2 + 4 H3PO4 = 3 Cu(H2PO4)2
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH3 =>
3(NH4)2S + K2Cr2O7 + H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH3
PbI2 + H2O = PbH2O + I2 =>
PbI2 + H2O = PbH2O + I2
FeBr + Cl = ClBr + Fe =>
FeBr + Cl = ClBr + Fe
FeCl2(aq) + AgNO3(aq) = AgCl(s) + Fe(NO3)2(aq) =>
FeCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + Fe(NO3)2(aq)
SO3 + H2O = H2SO4* =>
SO3 + H2O = H2SO4*
HCl + CaN = H2N + CaCl2 =>
2 HCl + CaN = H2N + CaCl2
C6H5COOH + C2H5OH = C6H5COOCH2CH3 + H2O =>
C6H5COOH + C2H5OH = C6H5COOCH2CH3 + H2O
CH3COONa(aq) + AgNO3(aq) = AgCH3COO + NaNO3 =>
CH3COONa(aq) + AgNO3(aq) = AgCH3COO + NaNO3
FeS2(g) + O2(g) = Fe2(g)O3(g) + SO2(g) =>
4 FeS2(g) + 11 O2(g) = 2 Fe2(g)O3(g) + 8 SO2(g)
ClNaO3 = NaCl + O2 =>
2 ClNaO3 = 2 NaCl + 3 O2
Zn + Ag(NO3) = Zn(NO3)2 + Ag =>
Zn + 2 Ag(NO3) = Zn(NO3)2 + 2 Ag
N2H8CuC3N3 + H2SO4 = N2H8SO4 + HCN + CuCN =>
N2H8CuC3N3 + H2SO4 = N2H8SO4 + 2 HCN + CuCN
Cr2O7{2-} + H{+} + I2 = IO3{-} + Cr{3+} + H2O =>
5 Cr2O7{2-} + 34 H{+} + 3 I2 = 6 IO3{-} + 10 Cr{3+} + 17 H2O
HCIO4K2CO3 = HCO3K2CIO4 =>
HCIO4K2CO3 = HCO3K2CIO4
H2CO3 + AlCl3 = Al2(CO3)3 + HCl =>
3 H2CO3 + 2 AlCl3 = Al2(CO3)3 + 6 HCl
KMnO4 + I2 = KMnO4I2 =>
KMnO4 + I2 = KMnO4I2
KOH + CrCl3 = CrOH + KCl3 =>
KOH + CrCl3 = CrOH + KCl3
CaO + Al2O3 = CaO*Al2O3 =>
CaO + Al2O3 = CaO*Al2O3
Na2CO3(aq) + Al(NO3)3(aq) = AlCO3(s) + Na2(NO3)3(aq) =>
Na2CO3(aq) + Al(NO3)3(aq) = AlCO3(s) + Na2(NO3)3(aq)
HClO4 + FrOH = FrClO4 + H2O =>
HClO4 + FrOH = FrClO4 + H2O
Mn{7+} + {-} = Mn{2+} =>
Mn{7+} + 5e = Mn{2+}
LiCN + H2 = Li + HCN =>
2 LiCN + H2 = 2 Li + 2 HCN
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
IO3{-} + I{-} + H{+} = I2 + OH{-} =>
IO3{-} + 5 I{-} + 3 H{+} = 3 I2 + 3 OH{-}
NH4CN + Na = NaCN + NH4 =>
NH4CN + Na = NaCN + NH4
NH2OHHCl + K2Cr2O7 + HCl = CrCl5 + KCl + H2O + HNO3 =>
NH2OHHCl + 3 K2Cr2O7 + 35 HCl = 6 CrCl5 + 6 KCl + 19 H2O + HNO3
Fe2O3 + S = Fe + SO2 =>
2 Fe2O3 + 3 S = 4 Fe + 3 SO2
Cr3I3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
2 Cr3I3 + 96 KOH + 39 Cl2 = 6 K2CrO4 + 6 KIO4 + 78 KCl + 48 H2O
C18H42 + O2 = CO2 + H2O =>
2 C18H42 + 57 O2 = 36 CO2 + 42 H2O
C2H5OH + C2H5COOH = C4H10O2 + H2O =>
5 C2H5OH + 2 C2H5COOH = 4 C4H10O2 + H2O
Ca3(PO4)2 + Na2(BrO3)2 = Ca3(BrO3)2 + Na2(PO4)2 =>
Ca3(PO4)2 + Na2(BrO3)2 = Ca3(BrO3)2 + Na2(PO4)2
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