Équations équilibrées la veille |
PbCl2 + 4 NaOH = 2 NaCl + Na2Pb(OH)4
ZnO + KOH + H2O = K2(Zn(OH)4) =>
ZnO + 2 KOH + H2O = K2(Zn(OH)4)
AgNO3 + Ca(CO3)2 = AgCO3 + Ca(NO3)2 =>
2 AgNO3 + Ca(CO3)2 = 2 AgCO3 + Ca(NO3)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HNO2 + HBr = Br + NO + H2O =>
HNO2 + HBr = Br + NO + H2O
Al + KOH = Al(OH)3 + K =>
Al + 3 KOH = Al(OH)3 + 3 K
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ti + O2 = Ti2O3 =>
4 Ti + 3 O2 = 2 Ti2O3
Cu3(PO4)2 + NaCl = Na3(PO4) + CuCl2 =>
Cu3(PO4)2 + 6 NaCl = 2 Na3(PO4) + 3 CuCl2
KNCS + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + CO2 + NO2 + K2SO4 + H2O =>
2 KNCS + 5 K2Cr2O7 + 19 H2SO4 = 5 Cr2(SO4)3 + 2 CO2 + 2 NO2 + 6 K2SO4 + 19 H2O
Sn3 + NaOH = Na2SnO2 + H2 =>
Sn3 + 6 NaOH = 3 Na2SnO2 + 3 H2
C3H6 + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
2 C3H6 + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O
Sr(NO3)2 + C2H5NO2 = SrO + N2 + CO2 + H2O =>
9 Sr(NO3)2 + 10 C2H5NO2 = 9 SrO + 14 N2 + 20 CO2 + 25 H2O
Hg + Cr(NO3)3 = Hg(NO3)3 + Cr =>
Hg + Cr(NO3)3 = Hg(NO3)3 + Cr
AlCl{3} + NaOH = Al(OH){3} + NaCl =>
AlCl{3} + NaOH = Al(OH){3} + NaCl
C3H6 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C3H6 + 3 K2Cr2O7 + 12 H2SO4 = 3 CO2 + 3 Cr2(SO4)3 + 3 K2SO4 + 15 H2O
ZnSO4 + CH3COONa + H2S = ZnS + CH3COOH + Na2SO4 =>
ZnSO4 + 2 CH3COONa + H2S = ZnS + 2 CH3COOH + Na2SO4
Na2SO4 = Na2O + SO3 =>
Na2SO4 = Na2O + SO3
H2CO3 = O2 + CO + H2O =>
2 H2CO3 = O2 + 2 CO + 2 H2O
Ag + L2 = AgL =>
2 Ag + L2 = 2 AgL
C16H34O2(l) + O2(g) = H2O(l) + CO2(g) =>
2 C16H34O2(l) + 47 O2(g) = 34 H2O(l) + 32 CO2(g)
Co(NO3)2 + Na3(PO4) = NaNO3 + Co3(PO4)2 =>
3 Co(NO3)2 + 2 Na3(PO4) = 6 NaNO3 + Co3(PO4)2
C3H6 + K2Cr2O7 + H2SO4 = C3H6O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C3H6 + K2Cr2O7 + 4 H2SO4 = 3 C3H6O + K2SO4 + Cr2(SO4)3 + 4 H2O
Fe(OH)3 + OH = Fe(OH)6 =>
Fe(OH)3 + 3 OH = Fe(OH)6
CrOH(NO3)2 + KOH = Cr(OH)3 + KNO3 =>
CrOH(NO3)2 + 2 KOH = Cr(OH)3 + 2 KNO3
CH3CH2CH2Cl + NaOH = CH3CH2CH2OH + NaCl =>
CH3CH2CH2Cl + NaOH = CH3CH2CH2OH + NaCl
C3H6 + K2Cr2O7 + H2SO4 = C3H4O4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H6 + 5 K2Cr2O7 + 20 H2SO4 = 3 C3H4O4 + 5 Cr2(SO4)3 + 5 K2SO4 + 23 H2O
K3[Cr(OH)6] + KCl = KOH + CrCl3 =>
K3[Cr(OH)6] + 3 KCl = 6 KOH + CrCl3
C2H4 + KMnO4 = MnO2 + KOH + KOOCCOOK + H2O =>
3 C2H4 + 10 KMnO4 = 10 MnO2 + 4 KOH + 3 KOOCCOOK + 4 H2O
CH3CH2OH + Cr2O7{2-} + H{+} = CH3CO2H + Cr3 + H2O =>
9 CH3CH2OH + 3 Cr2O7{2-} + 6 H{+} = 9 CH3CO2H + 2 Cr3 + 12 H2O
CaMg(CO3)2 + HNO3 = Ca(NO3)2 + Mg(NO3)2 + CO2 + H2O =>
CaMg(CO3)2 + 4 HNO3 = Ca(NO3)2 + Mg(NO3)2 + 2 CO2 + 2 H2O
Be2O + N2 = Be3N2 + O2 =>
6 Be2O + 4 N2 = 4 Be3N2 + 3 O2
CUSO4 + KI = CUI + I2 + K2SO4 =>
2 CUSO4 + 4 KI = 2 CUI + I2 + 2 K2SO4
C2H5OH + H2O = CH3COOH + H2 =>
C2H5OH + H2O = CH3COOH + 2 H2
CaMg(CO3)2 + HNO3 = MgO + Ca(NO3)2 + CO2 + H2O =>
CaMg(CO3)2 + 2 HNO3 = MgO + Ca(NO3)2 + 2 CO2 + H2O
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
CuSO4 + KI = Cu2I2 + K2SO4 + I2 =>
2 CuSO4 + 4 KI = Cu2I2 + 2 K2SO4 + I2
Fe(NO3)2 = FeO + NO2 + O2 =>
2 Fe(NO3)2 = 2 FeO + 4 NO2 + O2
Ca + H2O = CaH2O2 + H =>
Ca + 2 H2O = CaH2O2 + 2 H
[Ni(H2O)6]Cl2 + NH4Cl = H2O + [Ni(NH3)6]Cl2 + HCl =>
[Ni(H2O)6]Cl2 + 6 NH4Cl = 6 H2O + [Ni(NH3)6]Cl2 + 6 HCl
Hg22{+} = Hg + Hg2{+} =>
Hg22{+} = 20 Hg + Hg2{+}
Sb2(SO3)5 + H3PO3 = Sb3(PO3)5 + H2O + SO2 =>
3 Sb2(SO3)5 + 10 H3PO3 = 2 Sb3(PO3)5 + 15 H2O + 15 SO2
Zn + Pb(NO3)3 = Pb + Zn(NO3)2 =>
3 Zn + 2 Pb(NO3)3 = 2 Pb + 3 Zn(NO3)2
SnCl2 + Bi(OH)3 + NaOH = Na2SnO3 + Bi + NaCl + H2O =>
3 SnCl2 + 2 Bi(OH)3 + 12 NaOH = 3 Na2SnO3 + 2 Bi + 6 NaCl + 9 H2O
C3H5CO2H + H2O = C3H5CO2 + H3O =>
C3H5CO2H + H2O = C3H5CO2 + H3O
NaOH + K2O = NaO + K2OH =>
NaOH + K2O = NaO + K2OH
H3AsO4(aq) + RbOH(aq) = Rb3AsO4(aq) + H2O(l) =>
H3AsO4(aq) + 3 RbOH(aq) = Rb3AsO4(aq) + 3 H2O(l)
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
K2CO3 + BaO = K2O + BaCO3 =>
K2CO3 + BaO = K2O + BaCO3
CuSO4 + KI = CuI + KI3 + K2SO4 =>
2 CuSO4 + 5 KI = 2 CuI + KI3 + 2 K2SO4
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