| Équations équilibrées la veille |
2 N2 + (O2) = 2 N2O
NaBr + BrCl = NaCl + Br =>
NaBr + BrCl = NaCl + 2 Br
S + NaOH = Na2S + Na2S2O3 + H20(water) =>
50 S + 60 NaOH = 10 Na2S + 20 Na2S2O3 + 3 H20(water)
Mg2S2 + HNO3 = H2S + Mg(NO3)2 =>
Mg2S2 + 4 HNO3 = 2 H2S + 2 Mg(NO3)2
Zn + HNO3(highlydilute) = Zn(NO3)2 + H2O + NH4NO3 =>
4 Zn + 10 HNO3(highlydilute) = 4 Zn(NO3)2 + 3 H2O + NH4NO3
Ca3(PO4)2 + Na2CO4 = CaCO4 + Na3PO4 =>
Ca3(PO4)2 + 3 Na2CO4 = 3 CaCO4 + 2 Na3PO4
NO + CsOH = CsNO2 + N2 + H2O =>
6 NO + 4 CsOH = 4 CsNO2 + N2 + 2 H2O
Pb(s) + ZnSO4(aq) = PbSO4 + Zn =>
Pb(s) + ZnSO4(aq) = PbSO4 + Zn
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3 =>
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
Be3N2 + O2 = BeO + N2 =>
2 Be3N2 + 3 O2 = 6 BeO + 2 N2
CO2Na2SO4 = Na2CO3SO3 =>
CO2Na2SO4 = Na2CO3SO3
CH2CH2(g) + F2(g) = CH2FCH2F(g) =>
CH2CH2(g) + F2(g) = CH2FCH2F(g)
NaC2H3O2 + KCl = CH3COOK + NaCl =>
NaC2H3O2 + KCl = CH3COOK + NaCl
P2O5 + Ca(OH)2 = CaHPO4 + H2O =>
P2O5 + 2 Ca(OH)2 = 2 CaHPO4 + H2O
NaOH + KOH = KNaO + H2O =>
NaOH + KOH = KNaO + H2O
Fe{3+} + O{2-} = Fe4 + O6 =>
4 Fe{3+} + 6 O{2-} = Fe4 + O6
HClO3 + Na2CO3 = H2O + CO2 + NaClO3 =>
2 HClO3 + Na2CO3 = H2O + CO2 + 2 NaClO3
HC3H5O3 + OH = C3O3 + H2O =>
HC3H5O3 + 6 OH = C3O3 + 6 H2O
AgAsO3 + Zn + H2SO4 = AsH3 + ZnSO4 + Ag + H2O =>
2 AgAsO3 + 9 Zn + 9 H2SO4 = 2 AsH3 + 9 ZnSO4 + 2 Ag + 6 H2O
Na(CH3CO2) + (NH4)3PO4 = Na3PO4 + (NH4)CH3CO2 =>
3 Na(CH3CO2) + (NH4)3PO4 = Na3PO4 + 3(NH4)CH3CO2
Cu2S + O2 = Cu + SOS =>
4 Cu2S + O2 = 8 Cu + 2 SOS
C14H9Cl5 + H2 = C14H9Cl4 + HCl =>
2 C14H9Cl5 + H2 = 2 C14H9Cl4 + 2 HCl
Li4C + NaClO = Na4C + LiClO =>
Li4C + 4 NaClO = Na4C + 4 LiClO
Na2S + H2O2 = H2O + Na2SO4 =>
Na2S + 4 H2O2 = 4 H2O + Na2SO4
C6H12 + O2 = CO2H2O =>
C6H12 + 9 O2 = 6 CO2H2O
SnH4 + H2O = Sn(OH)4 + H2 =>
SnH4 + 4 H2O = Sn(OH)4 + 4 H2
MnO2 + H2 + Cl = MnCl2 + H2O =>
MnO2 + 2 H2 + 2 Cl = MnCl2 + 2 H2O
F2 + I2 = FI5 =>
F2 + 5 I2 = 2 FI5
C2H5OH + O2 = CO8 + H2O =>
C2H5OH + 9 O2 = 2 CO8 + 3 H2O
Al + P = Al3P2 =>
3 Al + 2 P = Al3P2
O2 + C9H19OH = CO2 + H2O =>
27 O2 + 2 C9H19OH = 18 CO2 + 20 H2O
HCl + FeCl2 + NaClO = FeCl3 + NaCl + H2O =>
2 HCl + 2 FeCl2 + NaClO = 2 FeCl3 + NaCl + H2O
Br2 + RbI = I2 + Rb(Br2) =>
2 Br2 + 2 RbI = I2 + 2 Rb(Br2)
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
Al + ZnCl2 = ZnCl + AlCl3 =>
Al + 3 ZnCl2 = 3 ZnCl + AlCl3
K4Fe(CN)6 + HClO + H2SO4 = Fe2(SO4)3 + K2SO4 + HNO3 + CO2 + Cl2 + H2O =>
2 K4Fe(CN)6 + 122 HClO + 7 H2SO4 = Fe2(SO4)3 + 4 K2SO4 + 12 HNO3 + 12 CO2 + 61 Cl2 + 62 H2O
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
NH4VO3 + SO2 + H2SO4 = (NH4)V(SO4)2 + H2O =>
NH4VO3 + SO2 + H2SO4 = (NH4)V(SO4)2 + H2O
NaSPb(NO)3 = Na(NO)3SPb =>
NaSPb(NO)3 = Na(NO)3SPb
KOH + NH4Cl = H2O + KCl + NH3 =>
KOH + NH4Cl = H2O + KCl + NH3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CO3{2-} + HSO4{-} = HCO3{-} + SO4{2-} =>
CO3{2-} + HSO4{-} = HCO3{-} + SO4{2-}
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
K2Cr2O7 + HCl + Cl2Sn = Cl4Sn + Cl3Cr + H2O + ClK =>
K2Cr2O7 + 14 HCl + 3 Cl2Sn = 3 Cl4Sn + 2 Cl3Cr + 7 H2O + 2 ClK
NaI + H2SO4 = H2S + H2O + Na2SO4 + I2 =>
8 NaI + 5 H2SO4 = H2S + 4 H2O + 4 Na2SO4 + 4 I2
NaCl + Li2CO3 = Na2CO3 + LiCl =>
2 NaCl + Li2CO3 = Na2CO3 + 2 LiCl
Mg(OH)2 + CO2 = MgCO3 + H2O =>
Mg(OH)2 + CO2 = MgCO3 + H2O
Li2Co3 + NaCl = LiCl + Na2Co3 =>
Li2Co3 + 2 NaCl = 2 LiCl + Na2Co3
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