Équations équilibrées la veille |
N2H4 + 4 NaBr = N2 + 4 Br + 4 NaH
Zn + Na2CrO4 + NaOH = Na2ZnO2 + NaCrO2 + H2O =>
3 Zn + 2 Na2CrO4 + 4 NaOH = 3 Na2ZnO2 + 2 NaCrO2 + 2 H2O
H2Cr2O7 + LiOH = Li2Cr2O7 + H2O =>
H2Cr2O7 + 2 LiOH = Li2Cr2O7 + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
I2 + CH3OH = CH3 + I2OH =>
I2 + CH3OH = CH3 + I2OH
C6H5NH2 + H2O = OH + C6H5NH3 =>
C6H5NH2 + H2O = OH + C6H5NH3
ICl3 + H2O = HIO3 + HCl + ICl =>
2 ICl3 + 3 H2O = HIO3 + 5 HCl + ICl
C2H7NO2 + H2SO4 = (NH4)2SO4 + CH3COOH =>
2 C2H7NO2 + H2SO4 = (NH4)2SO4 + 2 CH3COOH
FeS2 + H2O2 = Fe2(SO4)3 + H2O + H2SO4 =>
2 FeS2 + 15 H2O2 = Fe2(SO4)3 + 14 H2O + H2SO4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
SbCl5 + WO3 = WCl6 + Sb2O5 =>
6 SbCl5 + 5 WO3 = 5 WCl6 + 3 Sb2O5
PbSO4 + HBr = PbBr2 + H2S + O =>
PbSO4 + 2 HBr = PbBr2 + H2S + 4 O
H{+} + H2Cr2O7 + Fe{2+} + HClO4 = Cr(ClO4)3 + Fe{3+} + H2O =>
6 H{+} + H2Cr2O7 + 6 Fe{2+} + 6 HClO4 = 2 Cr(ClO4)3 + 6 Fe{3+} + 7 H2O
I2Cl2 + Ca = CaCl2 + I2 =>
I2Cl2 + Ca = CaCl2 + I2
Na(NO3)2 + K2CO3 = NaCO3K2(NO3)2 =>
Na(NO3)2 + K2CO3 = NaCO3K2(NO3)2
C6H12O6 = H3CCH2OH + CO2 =>
C6H12O6 = 2 H3CCH2OH + 2 CO2
Al + Fe{2} = Al{3} + Fe =>
2 Al + 3 Fe{2} = 2 Al{3} + 3 Fe
H3PO4 + Na = H2 + Na3PO4 =>
2 H3PO4 + 6 Na = 3 H2 + 2 Na3PO4
NaHCO3 = CO2 + H2O + Na2CO3 =>
2 NaHCO3 = CO2 + H2O + Na2CO3
C4H10O2 + NaOH = C4H9O2Na + H2O =>
C4H10O2 + NaOH = C4H9O2Na + H2O
H2 + Cl2HCl = HCl =>
H2 + Cl2HCl = 3 HCl
KHS + KHSO4 = K2S + H2SO4 =>
KHS + KHSO4 = K2S + H2SO4
Al(OH)3 + LiOH = H2O + Li3AlO3 =>
Al(OH)3 + 3 LiOH = 3 H2O + Li3AlO3
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
Sr(NO3)2 + C = Sr(NO2)2 + CO2 =>
Sr(NO3)2 + C = Sr(NO2)2 + CO2
Fe(OH)3 + HCl = FeCl3 + HOH =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 HOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H8N2 + N2O4 = N2 + CO2 + H2O =>
C2H8N2 + 2 N2O4 = 3 N2 + 2 CO2 + 4 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CH3OH + O2 = CHO2H + H2O =>
CH3OH + O2 = CHO2H + H2O
Sr(OH)2 + HSO4 = H2O + Sr(SO4)2 =>
Sr(OH)2 + 2 HSO4 = 2 H2O + Sr(SO4)2
H2SO4(aq) + Li2SO3(aq) = Li2SO4(aq) + H2O(l) + SO2(g) =>
H2SO4(aq) + Li2SO3(aq) = Li2SO4(aq) + H2O(l) + SO2(g)
NaOH + H3PO4 = Na3PO4 + H2O* =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O*
NaHCO3 = CO2 + H2O + Na2CO3 =>
2 NaHCO3 = CO2 + H2O + Na2CO3
P + Ca = Ca3P2 =>
2 P + 3 Ca = Ca3P2
MgH2SO4 = MgSO4H2 =>
MgH2SO4 = MgSO4H2
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Fe(OH)3 + HMnO4 = Fe(MnO4)3 + H2O =>
Fe(OH)3 + 3 HMnO4 = Fe(MnO4)3 + 3 H2O
CH3NHNH2 + HNO3 = CO2 + H2O + N2 =>
CH3NHNH2 + 2 HNO3 = CO2 + 4 H2O + 2 N2
[Co(NH3)5(ONO)]Cl2 = [Co(NH3)5(ONO)] + Cl2 =>
[Co(NH3)5(ONO)]Cl2 = [Co(NH3)5(ONO)] + Cl2
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
Fe3O4 + C = FeO + CO2 =>
2 Fe3O4 + C = 6 FeO + CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C11HH24 + O2 = CO2 + H2O =>
4 C11HH24 + 69 O2 = 44 CO2 + 50 H2O
Fe3O4 + C = Fe + CO =>
Fe3O4 + 4 C = 3 Fe + 4 CO
MgCO3 + HCl = MgCl2 + H2O(i) + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O(i) + CO2
C27H55 + O2 = CO + H2O =>
4 C27H55 + 109 O2 = 108 CO + 110 H2O
C + O2 + Fe2O3 = FeCO2 =>
4 C + O2 + 2 Fe2O3 = 4 FeCO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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