Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
NaCr2O7 + CH3CH2OH = NaOH + CH3CH2Cr2O7 =>
NaCr2O7 + CH3CH2OH = NaOH + CH3CH2Cr2O7
Cr(OH)3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
Fe2(CO3)3 + CH3COOH = CO2 + Fe(CH3COO)3 + H2O =>
Fe2(CO3)3 + 6 CH3COOH = 3 CO2 + 2 Fe(CH3COO)3 + 3 H2O
Pb(NO3)2 + NH4Cl = PbCl2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
Ca(OH2) + SO2 = Ca(SO3) + H2 =>
Ca(OH2) + SO2 = Ca(SO3) + H2
Pb(NO3)2 + NH4Cl = PbCl2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Pb(NO3)2 + NH4Cl = PbCl2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
FeNO3 + K(CrO4) = Fe(CrO4) + KNO3 =>
FeNO3 + K(CrO4) = Fe(CrO4) + KNO3
RbCl(c) + O2(g) = RbClO4(c) =>
RbCl(c) + 2 O2(g) = RbClO4(c)
Pb(NO3)2 + NH4Cl = PbCl2 + NH4(NO3) =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4(NO3)
Ba(s) + Li(aq) = BaLi =>
Ba(s) + Li(aq) = BaLi
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
(CuOH)2SO4 + H2S = CuS + SO2 + H2O =>
3(CuOH)2SO4 + 7 H2S = 6 CuS + 4 SO2 + 10 H2O
Co(SO4) + Pb(NO3)2 = Co(NO3) + Pb(SO4)2 =>
2 Co(SO4) + Pb(NO3)2 = 2 Co(NO3) + Pb(SO4)2
VO + CaS = CaO + VS =>
VO + CaS = CaO + VS
KJ + KClO3 + H2SO4 = J2 + K2SO4 + KCl + H2O =>
6 KJ + KClO3 + 3 H2SO4 = 3 J2 + 3 K2SO4 + KCl + 3 H2O
BaC2O4 + BCr2O7 = BaCr2O7 + BC2O4 =>
BaC2O4 + BCr2O7 = BaCr2O7 + BC2O4
Na + Ca(OH)2 = Na(OH)2 + Ca =>
Na + Ca(OH)2 = Na(OH)2 + Ca
W + HNO3 = W(NO3)2 + NO + H2O =>
3 W + 8 HNO3 = 3 W(NO3)2 + 2 NO + 4 H2O
CaHPO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 CaHPO4 + Ca(OH)2 = Ca3(PO4)2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SO2 + NaOH = Na2SO3 + H2O = =>
SO2 + 2 NaOH = Na2SO3 + H2O
FeCO3 + O2 + H2O = Fe(OH)3 + CO3 =>
4 FeCO3 + 3 O2 + 6 H2O = 4 Fe(OH)3 + 4 CO3
BaS + O3 = BaSO4 =>
3 BaS + 4 O3 = 3 BaSO4
NH4(NO3) = N2 + O2 + H2O =>
2 NH4(NO3) = 2 N2 + O2 + 4 H2O
SrO + HNO3 = Sr(NO3)2 + H2O =>
SrO + 2 HNO3 = Sr(NO3)2 + H2O
Bi(NO3)3 + Na2S = Bi2S3 + Na + NO3 =>
2 Bi(NO3)3 + 3 Na2S = Bi2S3 + 6 Na + 6 NO3
K2Cr2O7 + HI = KI + Cr2I3 + H2O + I2 =>
2 K2Cr2O7 + 28 HI = 4 KI + 2 Cr2I3 + 14 H2O + 9 I2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Na2SO3 = Na2SO4 + Na2S =>
4 Na2SO3 = 3 Na2SO4 + Na2S
Ni(NO3)2 + K2S = K(NO3) + NiS =>
Ni(NO3)2 + K2S = 2 K(NO3) + NiS
SbCl5 + PCl5 = Sb3P + Cl2 =>
3 SbCl5 + PCl5 = Sb3P + 10 Cl2
KClO3 = O3(g) + KCl(s) =>
KClO3 = O3(g) + KCl(s)
NH4(NO3) = N2O + H2O =>
NH4(NO3) = N2O + 2 H2O
H2S + KOH = H2O + SKH =>
H2S + KOH = H2O + SKH
HCl = Cl + H =>
HCl = Cl + H
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CH3COOH + C3H8OH = CH3COOC2H5 + H2O =>
8 CH3COOH + 4 C3H8OH = 7 CH3COOC2H5 + 6 H2O
NiI2 + (NH4)3PO4 = NH4I + Ni3(PO4)2 =>
3 NiI2 + 2(NH4)3PO4 = 6 NH4I + Ni3(PO4)2
I2 + NO3 = I2NO3 =>
I2 + NO3 = I2NO3
NiSO4 + H2O = Ni(H2O) + SO4 =>
NiSO4 + H2O = Ni(H2O) + SO4
P2O5 + CsOH = Cs3PO4 + H2O =>
P2O5 + 6 CsOH = 2 Cs3PO4 + 3 H2O
CoCl2 + Na2O2 = NaCl + CoO2 =>
CoCl2 + Na2O2 = 2 NaCl + CoO2
K2(CO3) + ZnCl = KCl + Zn2(CO3) =>
K2(CO3) + 2 ZnCl = 2 KCl + Zn2(CO3)
C3H7Cl + H2O = C3H8O + HCl =>
C3H7Cl + H2O = C3H8O + HCl
CaSO4 + H2SO3 = H2SO4 + CaSO3 =>
CaSO4 + H2SO3 = H2SO4 + CaSO3
Si + HF + KClO3 = H2[SiF6] + KCl + H2O =>
3 Si + 18 HF + 2 KClO3 = 3 H2[SiF6] + 2 KCl + 6 H2O
PH3(aq) + HCl(aq) = PH4Cl(aq) =>
PH3(aq) + HCl(aq) = PH4Cl(aq)
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