| Équations équilibrées la veille | Équations équilibrées le lendemain |
P4 + 6 I2 = 4 PI3
H3AsO3 + Fe(OH)3 = H2AsO4{-} + Fe{+2} + H + H2O =>
2 H3AsO3 + Fe(OH)3 = 2 H2AsO4{-} + Fe{+2} + 3 H + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Zn2 + CuSO4 = Cu + ZnSO4 =>
Zn2 + 2 CuSO4 = 2 Cu + 2 ZnSO4
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
Zn + Pb(C2H3O2)2 = Pb + Zn(C2H3O2)2 =>
Zn + Pb(C2H3O2)2 = Pb + Zn(C2H3O2)2
H2SO4 + Al = H2 + Al2(SO4)3 =>
3 H2SO4 + 2 Al = 3 H2 + Al2(SO4)3
CH4 + NH3 + O2 = CHN + H2O =>
2 CH4 + 2 NH3 + 3 O2 = 2 CHN + 6 H2O
AgNO3 + ZnI2 = Ag2Zn + INO3 =>
2 AgNO3 + ZnI2 = Ag2Zn + 2 INO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(l) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(l)
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
MNSO4 + PBO2 + HNO3 = PB(NO3)2 + PBSO4 + HMNO4 + H2O =>
2 MNSO4 + 5 PBO2 + 6 HNO3 = 3 PB(NO3)2 + 2 PBSO4 + 2 HMNO4 + 2 H2O
O2 + CH4 = CO2 + H2O =>
2 O2 + CH4 = CO2 + 2 H2O
C8H9NO2 + K2CO3 = C9H9NO5 + K2 =>
C8H9NO2 + K2CO3 = C9H9NO5 + K2
Ca(NO3)2 + Na3PO4 = NaNO3 + Ca3(PO4)2 =>
3 Ca(NO3)2 + 2 Na3PO4 = 6 NaNO3 + Ca3(PO4)2
NaBr + Na2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + Na2SO4 + H2O =>
6 NaBr + Na2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 4 Na2SO4 + 7 H2O
CH3OH + H2O2 = C02 + H2O =>
2 CH3OH + 2 H2O2 = C02 + 6 H2O
Zn(s) + H3PO4(aq) = H2(g) + Zn3(PO4)2(s) =>
3 Zn(s) + 2 H3PO4(aq) = 3 H2(g) + Zn3(PO4)2(s)
Al(NO3)3(aq) + K2CO3(aq) = Al2(CO3)3(s) + KNO3(aq) =>
2 Al(NO3)3(aq) + 3 K2CO3(aq) = Al2(CO3)3(s) + 6 KNO3(aq)
Cl2 + Al(OH)3 = Al(ClO)3 + AlCl3 + H2O =>
3 Cl2 + 2 Al(OH)3 = Al(ClO)3 + AlCl3 + 3 H2O
Na2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + NaNO3(aq) =>
Na2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 NaNO3(aq)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ba(OH)2 + Na2SO4 = BaSO4 + NaOH =>
Ba(OH)2 + Na2SO4 = BaSO4 + 2 NaOH
Hg3(PO4)2 + Al = Hg + Al3(PO4)3 =>
3 Hg3(PO4)2 + 6 Al = 9 Hg + 2 Al3(PO4)3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(NO3)2 + Na3PO4 = Mg3(PO4)2 + NaNO3 =>
3 Mg(NO3)2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCl + NaSO{-}3 = HSO{-}3 + NaCl =>
HCl + NaSO{-}3 = HSO{-}3 + NaCl
NH3 + Cl2 + Na2CO3 = NaNO3 + NaCl + CO2 + H2O =>
2 NH3 + 8 Cl2 + 9 Na2CO3 = 2 NaNO3 + 16 NaCl + 9 CO2 + 3 H2O
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
HCl + Na(SO)3 = H(SO)3 + NaCl =>
HCl + Na(SO)3 = H(SO)3 + NaCl
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
CH3CO2H + Na2CO3 = CH3CO2Na + CO2 + H20 =>
25 CH3CO2H + 10 Na2CO3 = 20 CH3CO2Na + 20 CO2 + 2 H20
Fe + HCl = FeCl + H =>
Fe + HCl = FeCl + H
NaNO2 + K2Cr2O7 + H2SO4 = NaNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 NaNO2 + K2Cr2O7 + 4 H2SO4 = 3 NaNO3 + Cr2(SO4)3 + K2SO4 + 4 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Ba(OH)2 + KI = BaI2 + KOH =>
Ba(OH)2 + 2 KI = BaI2 + 2 KOH
C5H12 + O = CO2 + H2O =>
C5H12 + 16 O = 5 CO2 + 6 H2O
CH3CH2CCH(g) + Br2(l) = CH3CH2CBr2CHBr2(l) =>
CH3CH2CCH(g) + 2 Br2(l) = CH3CH2CBr2CHBr2(l)
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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