Équations équilibrées la veille |
CH2CHCOH + 2 H2 = CH3CH2CH2OH
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2SiO3*5H2O + HCl = NaCl + SiO2 + H2O =>
Na2SiO3*5H2O + 2 HCl = 2 NaCl + SiO2 + 6 H2O
(NH4)2S + As(NO3)3 = As2S3 + NH4NO3 =>
3(NH4)2S + 2 As(NO3)3 = As2S3 + 6 NH4NO3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
MgCO3 + H = Mg + H2O + CO2 =>
MgCO3 + 2 H = Mg + H2O + CO2
Na2S2O3 + I2 = NaS4O6 + NaI =>
4 Na2S2O3 + 3 I2 = 2 NaS4O6 + 6 NaI
C6H4CH3C2H5 + KMnO4 + H2SO4 = C6H4(COOH)2 + K2SO4 + MnSO4 + H2O =>
40 C6H4CH3C2H5 + 114 KMnO4 + 171 H2SO4 = 45 C6H4(COOH)2 + 57 K2SO4 + 114 MnSO4 + 276 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
MgBr2 + CaI2 = CaBr2 + MgI2 =>
MgBr2 + CaI2 = CaBr2 + MgI2
K2O + Ca(ClO3)2 = KClO3 + CaO =>
K2O + Ca(ClO3)2 = 2 KClO3 + CaO
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
NaO + H2O = NaOH + O =>
2 NaO + H2O = 2 NaOH + O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
K2O + Ca(ClO3)2 = KClO3 + CaO =>
K2O + Ca(ClO3)2 = 2 KClO3 + CaO
C10H12O + KMnO4 = K2CO3 + KHCO3 + MnO2 + H2O =>
3 C10H12O + 50 KMnO4 = 20 K2CO3 + 10 KHCO3 + 50 MnO2 + 13 H2O
Cu(OH)2 + C6H8O6 = Cu2O + C6H6O6 + H2O =>
2 Cu(OH)2 + C6H8O6 = Cu2O + C6H6O6 + 3 H2O
Zn + NaNO3 + NaOH + H2O = NH3 + NaZn(OH)3 =>
4 Zn + NaNO3 + 3 NaOH + 6 H2O = NH3 + 4 NaZn(OH)3
K2SO4 + LiNO3 = Li2SO4 + KNO3 =>
K2SO4 + 2 LiNO3 = Li2SO4 + 2 KNO3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ca3(PO4)2 + HF = Ca(PF6)2 + Ca(OH)2 + H2O =>
Ca3(PO4)2 + 12 HF = Ca(PF6)2 + 2 Ca(OH)2 + 4 H2O
Al(OH)3 + HC1O4 = Al(C1O4)3 + H2O =>
Al(OH)3 + 3 HC1O4 = Al(C1O4)3 + 3 H2O
CoSO4 + Pb(NO3)2 = PbSO4 + Co(NO3)2 =>
CoSO4 + Pb(NO3)2 = PbSO4 + Co(NO3)2
N2 + Cl2 = N3Cl4 =>
3 N2 + 4 Cl2 = 2 N3Cl4
CoCl2 + NaNO2 + CH3COOH = Na3[Co(NO2)6] + NaCl + CH3COONa + NO + H2O =>
CoCl2 + 7 NaNO2 + 2 CH3COOH = Na3[Co(NO2)6] + 2 NaCl + 2 CH3COONa + NO + H2O
K2CO3 + FeCl3 = FeCO3 + K2Cl3 =>
K2CO3 + FeCl3 = FeCO3 + K2Cl3
Si + O2 = SiO2 =>
Si + O2 = SiO2
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
C6H8O7(aq) + KOH(aq) = C6H5K3O7 + H2O =>
C6H8O7(aq) + 3 KOH(aq) = C6H5K3O7 + 3 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
NiO + H2 = Ni + H2O =>
NiO + H2 = Ni + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Li + CoO2 = LiCoO2 =>
Li + CoO2 = LiCoO2
BaOH2 + H2SO4 = BaSO4 + H2OH2 =>
BaOH2 + H2SO4 = BaSO4 + H2OH2
LiC6 + CoO2 = C + LiCoO2 =>
LiC6 + CoO2 = 6 C + LiCoO2
Mo + F2 = MoF6 =>
Mo + 3 F2 = MoF6
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
BaCl2(s) + Na3PO4(s) = Ba3(PO4)2(s) + NaCl(s) =>
3 BaCl2(s) + 2 Na3PO4(s) = Ba3(PO4)2(s) + 6 NaCl(s)
BrO + SnO2 + HClO3 = HBrO4 + Sn(ClO3)2 + H2O =>
2 BrO + 5 SnO2 + 10 HClO3 = 2 HBrO4 + 5 Sn(ClO3)2 + 4 H2O
CuS + C = Cu + CS =>
CuS + C = Cu + CS
ZnCl2 + NaOH = ZnO + HCl + NaCl =>
ZnCl2 + NaOH = ZnO + HCl + NaCl
HNO2 + BaO = Ba(NO2)2 + H2O =>
2 HNO2 + BaO = Ba(NO2)2 + H2O
PbO + Fe = Fe2O3 + Pb =>
3 PbO + 2 Fe = Fe2O3 + 3 Pb
NaCl + (NH4)2CO3 = Na(NH4)2 + CO3Cl =>
NaCl + (NH4)2CO3 = Na(NH4)2 + CO3Cl
KMnO4 + H2O + Na2SO2 = MnO2 + Na2SO4 + KOH =>
4 KMnO4 + 2 H2O + 3 Na2SO2 = 4 MnO2 + 3 Na2SO4 + 4 KOH
HI + NaOH = H2O + NaI =>
HI + NaOH = H2O + NaI
C3H6 + O2 = CO + H2O =>
C3H6 + 3 O2 = 3 CO + 3 H2O
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