Équations équilibrées la veille |
3 C2H5OH + 4 KMnO4 = 3 KC2H3O2 + 4 MnO2 + KOH + 4 H2O
Fe(SCN)3 + NaF = NaSCN + FeF3 =>
Fe(SCN)3 + 3 NaF = 3 NaSCN + FeF3
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
HCOOH + HCOONa = NaOH + HCOOOCH =>
HCOOH + HCOONa = NaOH + HCOOOCH
MgO + Cl2 = MgOCl =>
2 MgO + Cl2 = 2 MgOCl
K2SO4 + NaOH = K(OH) + Na2SO4 =>
K2SO4 + 2 NaOH = 2 K(OH) + Na2SO4
NH3(g) + F2(g) = NH4F(s) + NF3(g) =>
4 NH3(g) + 3 F2(g) = 3 NH4F(s) + NF3(g)
C6H6NH2 + Br2 = C6H6NH2Br =>
2 C6H6NH2 + Br2 = 2 C6H6NH2Br
Al2(SO4)3 + Na2SiO3 + H2O = Al(OH)3 + H2SiO3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SiO3 + 6 H2O = 2 Al(OH)3 + 3 H2SiO3 + 3 Na2SO4
NH4Cl(aq) + AgNO3(aq) = NH4NO3 + AgCl =>
NH4Cl(aq) + AgNO3(aq) = NH4NO3 + AgCl
CaCl + Ag(NO3) = Ca(NO3) + AgCl =>
CaCl + Ag(NO3) = Ca(NO3) + AgCl
N2O5O = NO3 =>
N2O5O = 2 NO3
Na2O + HBrO4 = Na2BrHO5 =>
Na2O + HBrO4 = Na2BrHO5
Mg + NaF = MgF2 + Na =>
Mg + 2 NaF = MgF2 + 2 Na
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
KMnO4 + H2SO4 + HCl = MnSO4 + K2SO4 + H2O + Cl2 =>
2 KMnO4 + 3 H2SO4 + 10 HCl = 2 MnSO4 + K2SO4 + 8 H2O + 5 Cl2
ZnCO3 + C6H8O7 = Zn3(C6H5O7)2 + H2O + CO2 =>
3 ZnCO3 + 2 C6H8O7 = Zn3(C6H5O7)2 + 3 H2O + 3 CO2
BaCO3 + HCl = BaCl2 + CO2 + H2O =>
BaCO3 + 2 HCl = BaCl2 + CO2 + H2O
HI + PbCO3 = PbI2 + H2O + CO2 =>
2 HI + PbCO3 = PbI2 + H2O + CO2
Al2(SO4)3 + NH4OH = Al(OH)3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 NH4OH = 2 Al(OH)3 + 3(NH4)2SO4
BaSO4(s) = BaOSO3 =>
BaSO4(s) = BaOSO3
Zn + H2SO4 = ZnSO4SO2 + H2O =>
Zn + 2 H2SO4 = ZnSO4SO2 + 2 H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
Al + O2 = (Al2O3) =>
4 Al + 3 O2 = 2(Al2O3)
Cr2S2 + Mn(NO3)2 + Na2CO3 = NO + CO2 + Na2CrO4 + Na2MnO4 + Na2SO4 =>
Cr2S2 + 12 Mn(NO3)2 + 16 Na2CO3 = 24 NO + 16 CO2 + 2 Na2CrO4 + 12 Na2MnO4 + 2 Na2SO4
CrSO4 + Al(OH)3 = Al2(SO4)3 + Cr(OH)2 =>
3 CrSO4 + 2 Al(OH)3 = Al2(SO4)3 + 3 Cr(OH)2
Li2O + SO3 = LiO2 + SO2 =>
Li2O + 3 SO3 = 2 LiO2 + 3 SO2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaOHC4H8O2 = NaOH2C4H7O2 =>
NaOHC4H8O2 = NaOH2C4H7O2
Cu + HSO4 = HCuSO4 =>
Cu + HSO4 = HCuSO4
NH4ClO4(s) = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4(s) = N2 + Cl2 + 2 O2 + 4 H2O
KSCN + O2 = KCN + SO2 =>
KSCN + O2 = KCN + SO2
Ca(NO3)2 + H2SO4 = H(NO3)2 + CaHSO4 =>
Ca(NO3)2 + H2SO4 = H(NO3)2 + CaHSO4
Ca(OH)2 + HHCO3 = Ca(HCO3)2 + H2O =>
Ca(OH)2 + 2 HHCO3 = Ca(HCO3)2 + 2 H2O
Mg(ClO3)2 + K2CO3 = MgCO3 + ClO3K =>
Mg(ClO3)2 + K2CO3 = MgCO3 + 2 ClO3K
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
I2 = I9 =>
9 I2 = 2 I9
Fe2(CO3)3(aq) + H2CrO4(aq) = Fe2(CrO4)3 + CO2 + H2O =>
Fe2(CO3)3(aq) + 3 H2CrO4(aq) = Fe2(CrO4)3 + 3 CO2 + 3 H2O
AgNO3 + K2S = Ag2S + K + NO3 =>
2 AgNO3 + K2S = Ag2S + 2 K + 2 NO3
NH3H2O + H2SO4 = (NH4)2SO4 + H2O =>
2 NH3H2O + H2SO4 = (NH4)2SO4 + 2 H2O
K2Cr2O7 + H2SO4 = KHSO4 + Cr2(SO4)3 + O2 + H2O =>
2 K2Cr2O7 + 10 H2SO4 = 4 KHSO4 + 2 Cr2(SO4)3 + 3 O2 + 8 H2O
CuHg(NO3)2 = Cu(NO3)2Hg =>
CuHg(NO3)2 = Cu(NO3)2Hg
Mn(m) + HCl(aq) = MnCl(aq) + H(g) =>
Mn(m) + HCl(aq) = MnCl(aq) + H(g)
Fe(NO3)2(aq) + Na2S(aq) = FeS(s) + NaNO3(aq) =>
Fe(NO3)2(aq) + Na2S(aq) = FeS(s) + 2 NaNO3(aq)
N2 + H2(g) = NH3 =>
N2 + 3 H2(g) = 2 NH3
C3H5Cl + O2 = CO2 + H2O + Cl2 =>
4 C3H5Cl + 17 O2 = 12 CO2 + 10 H2O + 2 Cl2
Al + HCN = AlCN + H =>
Al + HCN = AlCN + H
SO3 + CrO = O2 + CrSO3 =>
2 SO3 + 2 CrO = O2 + 2 CrSO3
KMnO4 + HCl = Cl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 2 KCl + 8 H2O
NH3(g) + O2(g) = N2O(g) + H20(l) =>
20 NH3(g) + 5 O2(g) = 10 N2O(g) + 3 H20(l)
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