Équations équilibrées la veille |
Na2O2 + 2 CH3COH = 2 CH3COONa + H2
MnO2 + SO2 = MnS2O6 =>
MnO2 + 2 SO2 = MnS2O6
Na2S + CdSO4 = Na2SO4 + CdS =>
Na2S + CdSO4 = Na2SO4 + CdS
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
CH3CH2OH + PI3 = CH3CH2I + P + OH =>
3 CH3CH2OH + PI3 = 3 CH3CH2I + P + 3 OH
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Na2S + CdSO4 = Na2SO4 + CdS =>
Na2S + CdSO4 = Na2SO4 + CdS
CH3COONH4 + H2O = CH3COONH3 + H3O =>
CH3COONH4 + H2O = CH3COONH3 + H3O
HCl + NaHSO4 = HHSO4 + NaCl =>
HCl + NaHSO4 = HHSO4 + NaCl
Na + NaClO3 = Na2O + NaCl =>
6 Na + NaClO3 = 3 Na2O + NaCl
N2O5 + H2O = N2O + H2O2 =>
N2O5 + 4 H2O = N2O + 4 H2O2
SrCl2 + LiOH = Sr(OH)2 + LiCl =>
SrCl2 + 2 LiOH = Sr(OH)2 + 2 LiCl
HF + K2CO3 = KF + H2O + CO2 =>
2 HF + K2CO3 = 2 KF + H2O + CO2
Na2SO4(H2O)8 = Na2SO4 + H2O =>
Na2SO4(H2O)8 = Na2SO4 + 8 H2O
H2CO3 + NaOH = Na{+} + CO3{-2} + H2O =>
H2CO3 + 2 NaOH = 2 Na{+} + CO3{-2} + 2 H2O
AgNO3 + Zn = Ag + Zn(NO3)2 =>
2 AgNO3 + Zn = 2 Ag + Zn(NO3)2
CaSiO3 + HCl = CaCl2 + H2SiO3 =>
CaSiO3 + 2 HCl = CaCl2 + H2SiO3
PB(NO3)2 + KCl = PBCl2 + KNO3 =>
PB(NO3)2 + 2 KCl = PBCl2 + 2 KNO3
H2SO4 + CaCO3 = CaH2 + SO4CO3 =>
H2SO4 + CaCO3 = CaH2 + SO4CO3
Na2O2 + H2SO4 + K2Cr2O7 = Na2SO4 + Cr2O6 + KOH + O2 =>
2 Na2O2 + 2 H2SO4 + 2 K2Cr2O7 = 2 Na2SO4 + 2 Cr2O6 + 4 KOH + O2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Pb + NaCO3 = PbCO3 + Na =>
Pb + NaCO3 = PbCO3 + Na
CH3 + OH = CH3OCH3 + H2O =>
2 CH3 + 2 OH = CH3OCH3 + H2O
CuO + Cl = CuOCl =>
CuO + Cl = CuOCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH4Cl + AlF3 = NH4F + AlCl3 =>
3 NH4Cl + AlF3 = 3 NH4F + AlCl3
Au + H2SO4 = Au2(SO4)3 + H2 =>
2 Au + 3 H2SO4 = Au2(SO4)3 + 3 H2
Ca(NO3)2 + Na2SO4 = CaSO4 + NaNO3 =>
Ca(NO3)2 + Na2SO4 = CaSO4 + 2 NaNO3
Ca(HCO3)2 + H2O = Ca(OH)2 + H2CO3 =>
Ca(HCO3)2 + 2 H2O = Ca(OH)2 + 2 H2CO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na(s) + Br(l) = NaBr =>
Na(s) + Br(l) = NaBr
C2H2 + H2 = C2H4 =>
C2H2 + H2 = C2H4
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
BaCl2 + Na2(CO3) = Ba2(CO3)2 + NaCl =>
2 BaCl2 + 2 Na2(CO3) = Ba2(CO3)2 + 4 NaCl
SrCl2 + LiOH = Sr(OH)2 + LiCl =>
SrCl2 + 2 LiOH = Sr(OH)2 + 2 LiCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C + oxygen = carbondioxide =>
C + O2 = CO2
KBr + F2 = Br2 + KF =>
2 KBr + F2 = Br2 + 2 KF
H2O + NaH = NaOH + H3 =>
3 H2O + 3 NaH = 3 NaOH + 2 H3
Fe3 + CaO = FeO + Ca =>
Fe3 + 3 CaO = 3 FeO + 3 Ca
Br + CCl4 = BrCCl4 =>
Br + CCl4 = BrCCl4
HBr + Al(OH)3 = H2O + AlBr3 =>
3 HBr + Al(OH)3 = 3 H2O + AlBr3
FeI2 + IO3{-} + Cl{-} + H3O{+} = Fe{3+} + ICl + H2O =>
4 FeI2 + 5 IO3{-} + 13 Cl{-} + 30 H3O{+} = 4 Fe{3+} + 13 ICl + 45 H2O
CH4(g) + H2O(g) = CO(g) + H2(g) =>
CH4(g) + H2O(g) = CO(g) + 3 H2(g)
Li2Cr2O7 + Pb3(PO4)4 = Li3PO4 + Pb2(Cr2O7)4 =>
12 Li2Cr2O7 + 2 Pb3(PO4)4 = 8 Li3PO4 + 3 Pb2(Cr2O7)4
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
KCO3 + Ni2NO3 = K2NO3 + NiCO3 =>
2 KCO3 + Ni2NO3 = K2NO3 + 2 NiCO3
CuOHCl + NaOH = CuO + NaCl + H2O =>
CuOHCl + NaOH = CuO + NaCl + H2O
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