Équations équilibrées la veille |
CaO + N2O5 = CaO5 + N2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C5H12 + O = CO2 + H2O =>
C5H12 + 16 O = 5 CO2 + 6 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
PH4Cl + (NH4)2Cr2O7 + H2SO4 = H3PO4 + NH4Cl + Cr2(SO4)3 + NH4HSO4 + H2O =>
3 PH4Cl + 4(NH4)2Cr2O7 + 17 H2SO4 = 3 H3PO4 + 3 NH4Cl + 4 Cr2(SO4)3 + 5 NH4HSO4 + 16 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CaO + SO2 = Ca2SO4 =>
2 CaO + SO2 = Ca2SO4
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CdSHCl = CdClHS =>
CdSHCl = CdClHS
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
HF + Fe(OH)3 = H2O + FeF3 =>
3 HF + Fe(OH)3 = 3 H2O + FeF3
FeBr + NH4S = FeS + NH4Br =>
FeBr + NH4S = FeS + NH4Br
Al + Cu(SO3)2 = Al2(SO3)3 + Cu =>
4 Al + 3 Cu(SO3)2 = 2 Al2(SO3)3 + 3 Cu
NaCl + NaOH = NaH + NaOCl =>
NaCl + NaOH = NaH + NaOCl
SrCl2 + NaNO3 = Sr(NO3)2 + NaCl =>
SrCl2 + 2 NaNO3 = Sr(NO3)2 + 2 NaCl
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NaNO2 = NaNO + O =>
NaNO2 = NaNO + O
As + Cl3 = AsCl3 =>
As + Cl3 = AsCl3
H2S + AlBr3 = HBr + Al2S3 =>
3 H2S + 2 AlBr3 = 6 HBr + Al2S3
NH4ClO4 + Ca(OH)2 = Ca(ClO4)2 + NH3 + H2O =>
2 NH4ClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 NH3 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
KNO2 + NH2OH + H2SO4 = N2O + K2SO4 + H2O =>
2 KNO2 + 2 NH2OH + H2SO4 = 2 N2O + K2SO4 + 4 H2O
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
CaO + Mg(OH)2 = MgO + Ca(OH)2 =>
CaO + Mg(OH)2 = MgO + Ca(OH)2
Sr(OH)2NaOH = SrOHNa(OH)2 =>
Sr(OH)2NaOH = SrOHNa(OH)2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
KMnO4 + NH4NO3 = KNO3 + NH4MnO4 =>
KMnO4 + NH4NO3 = KNO3 + NH4MnO4
NH4NO3 + CO2 = NH4CO3 + NO2 =>
NH4NO3 + CO2 = NH4CO3 + NO2
SO2 + NaOH = Na2O + S(OH)4 =>
SO2 + 4 NaOH = 2 Na2O + S(OH)4
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CH4 + NH3 + O2 = H2O + HCN =>
2 CH4 + 2 NH3 + 3 O2 = 6 H2O + 2 HCN
Fe3O4 + NaOH = FeOH + NaO + H2O =>
Fe3O4 + 5 NaOH = 3 FeOH + 5 NaO + H2O
BaCO3 + KOH = Ba(OH)2 + K2CO3 =>
BaCO3 + 2 KOH = Ba(OH)2 + K2CO3
COBaO = BaCO2 =>
COBaO = BaCO2
CuO2 + KMnO4 + H2O = CuMnO4 + KOH + O2 =>
4 CuO2 + 4 KMnO4 + 2 H2O = 4 CuMnO4 + 4 KOH + 3 O2
Zn(NO3)2 + HCl = HNO3 + ZnCl2 =>
Zn(NO3)2 + 2 HCl = 2 HNO3 + ZnCl2
(NH4)2Cr2O7 = Cr2O3 + H2O + N2 =>
(NH4)2Cr2O7 = Cr2O3 + 4 H2O + N2
KF + H2SO4 = HF + K2SO4 =>
2 KF + H2SO4 = 2 HF + K2SO4
Cu(OH)2 + K3PO4 = Cu3(PO4)2 + KOH =>
3 Cu(OH)2 + 2 K3PO4 = Cu3(PO4)2 + 6 KOH
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
H3 = H2 =>
2 H3 = 3 H2
Mg2ClO3 = ClO3 + Mg =>
Mg2ClO3 = ClO3 + 2 Mg
Na3 = Na4 =>
4 Na3 = 3 Na4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaBr2 + AgNO3 = Ca(NO3)2 + AgBr =>
CaBr2 + 2 AgNO3 = Ca(NO3)2 + 2 AgBr
Ca3P2 + KMnO4 + H2O = Ca3(PO4)2 + MnO2 + KOH =>
3 Ca3P2 + 16 KMnO4 + 8 H2O = 3 Ca3(PO4)2 + 16 MnO2 + 16 KOH
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