Équations équilibrées la veille |
7 KMnO4 + 3 Cl + 2 H2O = 7 MnO2 + 3 KClO4 + 4 KOH
Zn + K2CrO4 + KOH + H2O = K3[Cr(OH)6] + K2[Zn(OH)4] =>
3 Zn + 2 K2CrO4 + 8 KOH + 8 H2O = 2 K3[Cr(OH)6] + 3 K2[Zn(OH)4]
Pb(aq) + K2CrO4(aq) = K2(aq) + PbCrO4(s) =>
Pb(aq) + K2CrO4(aq) = K2(aq) + PbCrO4(s)
KMnO4 + H2SO4 + P4 = P2O3 + K2SO4 + H2O + MnSO2 =>
4 KMnO4 + 6 H2SO4 + 3 P4 = 6 P2O3 + 2 K2SO4 + 6 H2O + 4 MnSO2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NaOH + C4H6O5 = H2O + NaC4H5O5 =>
NaOH + C4H6O5 = H2O + NaC4H5O5
CH3CH2NH3Cl + NaOH = CH3CH2NH2H2O + NaCl =>
CH3CH2NH3Cl + NaOH = CH3CH2NH2H2O + NaCl
CH2O + KMnO4 = K2CO3 + MnO2 + H2O + KHCO3 =>
3 CH2O + 4 KMnO4 = K2CO3 + 4 MnO2 + 2 H2O + 2 KHCO3
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
NiS + HNO3 + HCl = H2O + NO + NiCl2 + S =>
3 NiS + 2 HNO3 + 6 HCl = 4 H2O + 2 NO + 3 NiCl2 + 3 S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NiS + HNO3 + HCl = H2O + NO + NiCl2 + S =>
3 NiS + 2 HNO3 + 6 HCl = 4 H2O + 2 NO + 3 NiCl2 + 3 S
CuSO4(aq) + Ca(OH)2 = Cu(OH)2 + CaSO4 =>
CuSO4(aq) + Ca(OH)2 = Cu(OH)2 + CaSO4
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
CaCl2(aq) + Li3PO4(aq) = Li3Cl2 + CaPO4 =>
CaCl2(aq) + Li3PO4(aq) = Li3Cl2 + CaPO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H5CH3 + HNO3 = C6H2(CH3)(NO2)3 + H2O =>
C6H5CH3 + 3 HNO3 = C6H2(CH3)(NO2)3 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + Ca(OH)2 = Ca + Zn(OH)2 =>
Zn + Ca(OH)2 = Ca + Zn(OH)2
C3H6 + O2 = C6H12O6 =>
2 C3H6 + 3 O2 = C6H12O6
Ag2O + H2O = AgOH =>
Ag2O + H2O = 2 AgOH
CH3CN + NaOH = CH2CN(Na) + H2O =>
CH3CN + NaOH = CH2CN(Na) + H2O
S2Fe + O2 = Fe3O4 + SO2 =>
3 S2Fe + 8 O2 = Fe3O4 + 6 SO2
KOH(aq) + HMnO4(aq) = H2O(l) + KMnO4(aq) =>
KOH(aq) + HMnO4(aq) = H2O(l) + KMnO4(aq)
Na3(PO4) + SrI2 = NaI + Sr3(PO4)2 =>
2 Na3(PO4) + 3 SrI2 = 6 NaI + Sr3(PO4)2
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
H2SO3 + AlCl3 = HCl + Al + (SO3)2 =>
6 H2SO3 + 4 AlCl3 = 12 HCl + 4 Al + 3(SO3)2
K2Cr2O7 + CH3CH2OH + HCl = CrCl3 + KCl + CH3COOH + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 16 HCl = 4 CrCl3 + 4 KCl + 3 CH3COOH + 11 H2O
KClO3 + Au + H2SO4 = Au2(SO4)3 + KCl + H2O =>
KClO3 + 2 Au + 3 H2SO4 = Au2(SO4)3 + KCl + 3 H2O
Na2SO3 + KJO3 + H2SO4 = K2SO4 + NaSO4 + J2 + H2O =>
5 Na2SO3 + 4 KJO3 + 7 H2SO4 = 2 K2SO4 + 10 NaSO4 + 2 J2 + 7 H2O
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
HC2H2 + O2 = CO2 + H2O =>
4 HC2H2 + 11 O2 = 8 CO2 + 6 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
N2 + O2 = NO =>
N2 + O2 = 2 NO
AlBr3 + MgSO4 = Al2(SO4)3 + MgBr2 =>
2 AlBr3 + 3 MgSO4 = Al2(SO4)3 + 3 MgBr2
CaBr2 + Cl2 = CaCl2 + Br =>
CaBr2 + Cl2 = CaCl2 + 2 Br
CaCl2 + (NH4)2S = Ca2S2 + NH4Cl =>
2 CaCl2 + 2(NH4)2S = Ca2S2 + 4 NH4Cl
CrBr2 + NaOH + Cl2 = Na2CrO4 + NaBrO3 + NaCl + H2O =>
CrBr2 + 20 NaOH + 8 Cl2 = Na2CrO4 + 2 NaBrO3 + 16 NaCl + 10 H2O
N + CaS = S + Ca3N2 =>
2 N + 3 CaS = 3 S + Ca3N2
Pb(NO3)2 + FeCl3 = PbCl + (NO3)2 + Fe =>
3 Pb(NO3)2 + FeCl3 = 3 PbCl + 3(NO3)2 + Fe
HI + MoO3 = I2 + Mo2O5 + H2O =>
2 HI + 2 MoO3 = I2 + Mo2O5 + H2O
Bi2(CO3)3 + NaOH = Bi(OH)3(s) + Na2(CO3) =>
Bi2(CO3)3 + 6 NaOH = 2 Bi(OH)3(s) + 3 Na2(CO3)
HNO3 + K3PO4 = KNO3 + H3PO4 =>
3 HNO3 + K3PO4 = 3 KNO3 + H3PO4
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
AgC2H3O2(aq) + NaI(aq) = NaC2H3O2(aq) + AgI(s) =>
AgC2H3O2(aq) + NaI(aq) = NaC2H3O2(aq) + AgI(s)
K2CO3 + HNO2 = KNO2 + H2O + CO2 =>
K2CO3 + 2 HNO2 = 2 KNO2 + H2O + CO2
Cu + Cl2 = CuCl2 =>
Cu + Cl2 = CuCl2
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