| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 CH3COOH2 + 9 O2 = 8 CO2 + 10 H2O
MgNH4 + PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4 + 2 PO4 = Mg2P2O7 + 2 NH3 + H2O
KHCO3 + Ca(NO3)2 = KNO3 + Ca(CO3)2 + H =>
2 KHCO3 + Ca(NO3)2 = 2 KNO3 + Ca(CO3)2 + 2 H
Cr + K{+} = Cr{3+} + K =>
Cr + 3 K{+} = Cr{3+} + 3 K
Ca3(PO4)2 + HClO4 = Ca(ClO4)2 + H3PO4 =>
Ca3(PO4)2 + 6 HClO4 = 3 Ca(ClO4)2 + 2 H3PO4
Mg(s) + Al(OH)3(aq) = Mg(OH)2(aq) + Al(s) =>
3 Mg(s) + 2 Al(OH)3(aq) = 3 Mg(OH)2(aq) + 2 Al(s)
NaCl + Ba = Na + BaCl2 =>
2 NaCl + Ba = 2 Na + BaCl2
SnH3PO4 = SnPO4H3 =>
SnH3PO4 = SnPO4H3
Na2CO3 + ZnO + (NH4)H2PO4 = Zn2P2O7 + NaOH + NH3 + H2O + CO2 =>
Na2CO3 + 2 ZnO + 2(NH4)H2PO4 = Zn2P2O7 + 2 NaOH + 2 NH3 + 2 H2O + CO2
H2SO4(aq) + NaOH(aq) = H2O + Na2SO4(aq) =>
H2SO4(aq) + 2 NaOH(aq) = 2 H2O + Na2SO4(aq)
H2O2 + (SO3)2{-} = (SO4)2{-} + H2O =>
2 H2O2 + (SO3)2{-} = (SO4)2{-} + 2 H2O
Ba(CH3COO)2 + Li2CO3 = BaCO3 + LiCH3COO =>
Ba(CH3COO)2 + Li2CO3 = BaCO3 + 2 LiCH3COO
ClCH2COOH + NaOH = ClCH2COONa + H2O =>
ClCH2COOH + NaOH = ClCH2COONa + H2O
C10H16ClNO + HI + P = C10H15N + PI3 + H2O + HCl =>
3 C10H16ClNO + 6 HI + 2 P = 3 C10H15N + 2 PI3 + 3 H2O + 3 HCl
C7H8 + KClO4 = CO2 + H2O + KCl =>
2 C7H8 + 9 KClO4 = 14 CO2 + 8 H2O + 9 KCl
MnO4(aq) + H = Mn(aq) + H2O =>
MnO4(aq) + 8 H = Mn(aq) + 4 H2O
BaCl2 + Na2SO3 = BaSO3 + NaCl =>
BaCl2 + Na2SO3 = BaSO3 + 2 NaCl
Na2S2O5 + H2O = NaHSO3 =>
Na2S2O5 + H2O = 2 NaHSO3
H2C2O4(aq) + Ca(OH)2(s) = H2O(l) + CaC2O4(s) =>
H2C2O4(aq) + Ca(OH)2(s) = 2 H2O(l) + CaC2O4(s)
HClO2 + Fe(OH)3 = Fe(ClO2)3 + HOH =>
3 HClO2 + Fe(OH)3 = Fe(ClO2)3 + 3 HOH
CrCl3 + NaClO4 + NaOH = Na2CrO4 + NaCl + H2O =>
8 CrCl3 + 3 NaClO4 + 40 NaOH = 8 Na2CrO4 + 27 NaCl + 20 H2O
CuO + H2SO4 = SO4 + H2O + Cu =>
CuO + H2SO4 = SO4 + H2O + Cu
Fe(NO3)2(ac) + Al(s) = Fe(s) + Al(NO3)3(ac) =>
3 Fe(NO3)2(ac) + 2 Al(s) = 3 Fe(s) + 2 Al(NO3)3(ac)
TlOH + C5H6 = TlC5H5 + H2O =>
TlOH + C5H6 = TlC5H5 + H2O
S(s) + Cu(s) = CuS =>
S(s) + Cu(s) = CuS
NaH2PO2 + CuSO4 + H2O = NaH2PO4 + Cu + H2SO4 =>
NaH2PO2 + 2 CuSO4 + 2 H2O = NaH2PO4 + 2 Cu + 2 H2SO4
KCNS + Fe + HCl = FeCl3 + NH4Cl + H2S + C + KCl =>
3 KCNS + 4 Fe + 18 HCl = 4 FeCl3 + 3 NH4Cl + 3 H2S + 3 C + 3 KCl
Cr2(SO4)3 + NaCl = CrCl3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaCl = 2 CrCl3 + 3 Na2SO4
Si + O2 + NaOH = Na2SiO3 + H2O =>
Si + O2 + 2 NaOH = Na2SiO3 + H2O
C2H5NO2 + H2 = C2H5NH2 + H2O =>
C2H5NO2 + 3 H2 = C2H5NH2 + 2 H2O
KBr(aq) + Pb(C2H3O2)2(aq) = PbBr2(s) + K(C2H3O2)(aq) =>
2 KBr(aq) + Pb(C2H3O2)2(aq) = PbBr2(s) + 2 K(C2H3O2)(aq)
C3H6O(aq) + O2(g) = CO2(g) + H2O(l) =>
C3H6O(aq) + 4 O2(g) = 3 CO2(g) + 3 H2O(l)
Co(NO3)3(aq) + NaOH(aq) = Co(OH)3(s) + NaNO3(aq) =>
Co(NO3)3(aq) + 3 NaOH(aq) = Co(OH)3(s) + 3 NaNO3(aq)
Mg(OH)2 + SO2 = (MgOH)2SO3 + H2O =>
2 Mg(OH)2 + SO2 = (MgOH)2SO3 + H2O
Zn + Fe(OH)2 = Zn(OH)2 + Fe =>
Zn + Fe(OH)2 = Zn(OH)2 + Fe
BaO + LiOH = Li2O + Ba(OH)2 =>
BaO + 2 LiOH = Li2O + Ba(OH)2
CH3CHCH3CHO + Ag2O = CH3CHCH3COOH + Ag =>
CH3CHCH3CHO + Ag2O = CH3CHCH3COOH + 2 Ag
HNO3(aq) + FeSO4(aq) = Fe2(SO4)3(aq) + Fe(NO3)3(aq) + NO(g) + H2O(l) =>
4 HNO3(aq) + 3 FeSO4(aq) = Fe2(SO4)3(aq) + Fe(NO3)3(aq) + NO(g) + 2 H2O(l)
Mg + AgNO3 = AgMg + NO3 =>
Mg + AgNO3 = AgMg + NO3
KOH + Na3PO4 = NaOH + K3PO4 =>
3 KOH + Na3PO4 = 3 NaOH + K3PO4
C4H5SH + O2 = CO2 + H2O + SO2 =>
2 C4H5SH + 13 O2 = 8 CO2 + 6 H2O + 2 SO2
C2N2 + F2 = CF4 + NF3 =>
C2N2 + 7 F2 = 2 CF4 + 2 NF3
Ca3(PO4)2(s) + HCl(aq) = CaCl2 + H3PO4 =>
Ca3(PO4)2(s) + 6 HCl(aq) = 3 CaCl2 + 2 H3PO4
Cu + AgNO3{-} = CuNO3{-} + Ag =>
Cu + AgNO3{-} = CuNO3{-} + Ag
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
AgNO3 + Al(NO3)3 = AlNO3 + Ag(NO3)3 =>
AgNO3 + Al(NO3)3 = AlNO3 + Ag(NO3)3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Zn(NO3)2 + Na2(SO4) = ZnSO4 + NaNO3 =>
Zn(NO3)2 + Na2(SO4) = ZnSO4 + 2 NaNO3
FeI3 + K2CrO4 = Fe2(CrO4)3 + KI =>
2 FeI3 + 3 K2CrO4 = Fe2(CrO4)3 + 6 KI
C8H4O3 + O2 = CO2 + H2O =>
2 C8H4O3 + 15 O2 = 16 CO2 + 4 H2O
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Équations équilibrées sur11/22/24
Équations équilibrées sur12/22/23
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