| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(NO3)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(NO3)2(aq)
Ni + Mg(OH)2 = Ni(OH)2 + MgHO =>
Ni + 2 Mg(OH)2 = Ni(OH)2 + 2 MgHO
C2H6 + Cl2 = (hv)C2H5Cl + HCl =>
C2H6 + Cl2 = (hv)C2H5Cl + HCl
CH3CH2COOH + KHCO3 = CH3COOK + CO2 + H2O =>
4 CH3CH2COOH + 7 KHCO3 = 7 CH3COOK + 5 CO2 + 5 H2O
Fe + SnSO4 = Sn + Fe2(SO4)3 =>
2 Fe + 3 SnSO4 = 3 Sn + Fe2(SO4)3
Ag + HClO3 = AgCl + AgClO3 + H2O =>
6 Ag + 6 HClO3 = AgCl + 5 AgClO3 + 3 H2O
Cr2O7{-}2 + H2C2O4 + H{+}1 = Cr{+}3 + CO2 + H2O =>
2 Cr2O7{-}2 + 11 H2C2O4 + 6 H{+}1 = 4 Cr{+}3 + 22 CO2 + 14 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
NaHCO3(s) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(g) =>
2 NaHCO3(s) + H2SO4(aq) = Na2SO4(aq) + 2 H2O(l) + 2 CO2(g)
Cr2(SO3)3 + H2O = Cr(OH)3 + SO2 =>
Cr2(SO3)3 + 3 H2O = 2 Cr(OH)3 + 3 SO2
FeCl3HNO3 = FeNO3HCl3 =>
FeCl3HNO3 = FeNO3HCl3
Ca(OCl)2 + HCl = Cl2 + CaCl2 + H2O =>
Ca(OCl)2 + 4 HCl = 2 Cl2 + CaCl2 + 2 H2O
HCN + KCN = CN + HK =>
HCN + KCN = 2 CN + HK
Th(SO4)2 + NaF = Na2SO4 + ThF4 =>
Th(SO4)2 + 4 NaF = 2 Na2SO4 + ThF4
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
Na2PO4 + CaCl2 = CaPO4 + NaCl =>
Na2PO4 + CaCl2 = CaPO4 + 2 NaCl
NaY + Pb(NO3)2 = PbY2 + NaNO3 =>
2 NaY + Pb(NO3)2 = PbY2 + 2 NaNO3
Ag + HBr = AgBr + H2 =>
2 Ag + 2 HBr = 2 AgBr + H2
CH3CH2OH + CuO = Cu + CH3CH2COH + H2O =>
3 CH3CH2OH + 2 CuO = 2 Cu + 2 CH3CH2COH + 3 H2O
S + H2SO4 = SO2 + H2O = =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
HBrO + HIO3 = HBrO3 + HI =>
3 HBrO + 2 HIO3 = 3 HBrO3 + 2 HI
HClO2 + CsOH = CsClO2 + H2O =>
HClO2 + CsOH = CsClO2 + H2O
Cl{2} + HBr = HCl + Br{2} =>
Cl{2} + HBr = HCl + Br{2}
Fe(OH)2 + KOH + Cl2 = K2FeO4 + KCl + H2O =>
Fe(OH)2 + 6 KOH + 2 Cl2 = K2FeO4 + 4 KCl + 4 H2O
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
ZnBr2Mg = MgBr2Zn =>
ZnBr2Mg = MgBr2Zn
Ca(OH)2 + AgNO3 = Ag(OH)3 + Ca3(NO3)2 =>
3 Ca(OH)2 + 2 AgNO3 = 2 Ag(OH)3 + Ca3(NO3)2
K4(CN)6 + KMnO4 + H2SO4 = KH(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
K4(CN)6 + 74 KMnO4 + 308 H2SO4 = 78 KH(SO4)3 + 74 MnSO4 + 6 HNO3 + 6 CO2 + 266 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Cr(OH)3(aq) + HClO4(aq) = Cr(ClO4)3(aq) + H2O(l) =>
Cr(OH)3(aq) + 3 HClO4(aq) = Cr(ClO4)3(aq) + 3 H2O(l)
MgSO3 = MgO + SO2 =>
MgSO3 = MgO + SO2
Ca + N2 = Ca3N2* =>
3 Ca + N2 = Ca3N2*
FeSO4 + NH3 + H2O = (NH4)2SO4 + Fe(NH3)4(OH)2 =>
FeSO4 + 6 NH3 + 2 H2O = (NH4)2SO4 + Fe(NH3)4(OH)2
Cu + H{+}{+} + NO3 = NO2 + Cu{2}{+} + H2O =>
Cu + 2 H{+}{+} + NO3 = NO2 + Cu{2}{+} + H2O
Mg2 + AgNO3 = Mg2(NO3)2 + Ag =>
Mg2 + 2 AgNO3 = Mg2(NO3)2 + 2 Ag
C4H6 + Br = C4H6Br4 =>
C4H6 + 4 Br = C4H6Br4
PH3 + HNO3 = H3PO4 + NO + H2O =>
3 PH3 + 8 HNO3 = 3 H3PO4 + 8 NO + 4 H2O
Z2A = Z4A2 =>
2 Z2A = Z4A2
VCl3 + Zn + HCl = ZnCl2 + VH =>
VCl3 + 2 Zn + HCl = 2 ZnCl2 + VH
C9H20(nonano) + O2 = C + H2O =>
C9H20(nonano) + 5 O2 = 9 C + 10 H2O
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C7H8 + KMnO4 = C7H5O2 + MnO2 + KOH + H2O =>
3 C7H8 + 7 KMnO4 = 3 C7H5O2 + 7 MnO2 + 7 KOH + H2O
Li + N2 + H2O = NH3 + LiOH =>
6 Li + N2 + 6 H2O = 2 NH3 + 6 LiOH
MgO + N2O5 = MgN + O =>
2 MgO + N2O5 = 2 MgN + 7 O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeSO4 + K3FeCN6 = Fe + K2SO4 + FeFeCN6 =>
3 FeSO4 + 2 K3FeCN6 = Fe + 3 K2SO4 + 2 FeFeCN6
KBr + H3PO4 = KPO4 + BrH3 =>
KBr + H3PO4 = KPO4 + BrH3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/19/24
Équations équilibrées sur12/19/23
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