| Équations équilibrées la veille |
CUO2 + 2 H2SO4 = CU(SO4)2 + 2 H2O
C8H8O3 + NaOH = CH3OH + C7H4O2Na + H2O =>
13 C8H8O3 + 14 NaOH = 6 CH3OH + 14 C7H4O2Na + 19 H2O
Hg + KMnO4 + KOH = K(Hg(OH)3) + K2MnO4 =>
Hg + 2 KMnO4 + 3 KOH = K(Hg(OH)3) + 2 K2MnO4
ZnO + Ba(OH)2 = BaZnO2 + H2O =>
ZnO + Ba(OH)2 = BaZnO2 + H2O
IO2 + H2O = I(O3H2) =>
IO2 + H2O = I(O3H2)
CoS + HCl + KClO3 = CoCl3 + KCl + S + H2O =>
2 CoS + 6 HCl + KClO3 = 2 CoCl3 + KCl + 2 S + 3 H2O
Al(OH)2CH3COO + HCl = AlCl3 + CH3COOH + H2O =>
Al(OH)2CH3COO + 3 HCl = AlCl3 + CH3COOH + 2 H2O
NaNO3 + KOH = KNO3 + NaOH =>
NaNO3 + KOH = KNO3 + NaOH
KOH + H3PO4(aq) = K3PO4(aq) + H2O =>
3 KOH + H3PO4(aq) = K3PO4(aq) + 3 H2O
Cr + ClO3{-} + H{+} = Cr{3+} + HClO2 + H2O =>
2 Cr + 3 ClO3{-} + 9 H{+} = 2 Cr{3+} + 3 HClO2 + 3 H2O
CoBr2 + AgC2H3O2 = Co(C2H3O2)2 + AgBr =>
CoBr2 + 2 AgC2H3O2 = Co(C2H3O2)2 + 2 AgBr
KMn2O4 + H2C2O4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
2 KMn2O4 + 3 H2C2O4 + 5 H2SO4 = 6 CO2 + 4 MnSO4 + K2SO4 + 8 H2O
Fe(CNS)3 + H[SnCl3] + H2O = H2[Sn(OH)6] + Fe(CNS)2 + HCNS + HCl =>
2 Fe(CNS)3 + H[SnCl3] + 6 H2O = H2[Sn(OH)6] + 2 Fe(CNS)2 + 2 HCNS + 3 HCl
CuCl2 + Na2SO4 = NaCl + CuSO4 =>
CuCl2 + Na2SO4 = 2 NaCl + CuSO4
NaHCO3 + CH3C02H = C2H3NaO2 + H2O + C =>
NaHCO3 + CH3C02H = C2H3NaO2 + H2O + 2 C
MgO(c) + SiO2(c) = Mg2(SiO4) =>
2 MgO(c) + SiO2(c) = Mg2(SiO4)
SrCrO4 + CH3COOH = (CH3COO)2Sr + H2CrO4 =>
SrCrO4 + 2 CH3COOH = (CH3COO)2Sr + H2CrO4
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
NaOH + Na2CO3 = NaCO3 + OHNa2 =>
NaOH + Na2CO3 = NaCO3 + OHNa2
Mn + Na = Mn4Na =>
4 Mn + Na = Mn4Na
Fe[{2+}] + Cl[{-}] = Fe + Cl2 =>
Fe[{2+}] + 2 Cl[{-}] = Fe + Cl2
NH3 + KMnO4 + KOH = KNO3 + K2MnO4 + H2O =>
NH3 + 8 KMnO4 + 9 KOH = KNO3 + 8 K2MnO4 + 6 H2O
K2Cr2O7 + H2C2O4 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
K2Cr2O7 + 3 H2C2O4 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 6 CO2 + 7 H2O
C3H7Cl + NaOH = C3H8O + NaCl =>
C3H7Cl + NaOH = C3H8O + NaCl
PbO2 + NaOH + Cr2(SO4)3 = Na2PbO2 + Na2SO4 + Na2CrO4 + H2O =>
3 PbO2 + 16 NaOH + Cr2(SO4)3 = 3 Na2PbO2 + 3 Na2SO4 + 2 Na2CrO4 + 8 H2O
Cl2 + ZnL2 = ZnCl2 + L2 =>
Cl2 + ZnL2 = ZnCl2 + L2
Ni(NO3)2(aq) + CaCl2(aq) = Ca(NO3)2(s) + NiCl2(aq) =>
Ni(NO3)2(aq) + CaCl2(aq) = Ca(NO3)2(s) + NiCl2(aq)
CH3CH2CH2Br + KCN = CH3CH2CH2CN + KBr =>
CH3CH2CH2Br + KCN = CH3CH2CH2CN + KBr
Bi2O5 + Sr(OH)2 = Sr(BiO3)2 + H2O =>
Bi2O5 + Sr(OH)2 = Sr(BiO3)2 + H2O
Co + Pb(NO3)2 = Co(NO3) + Pb =>
2 Co + Pb(NO3)2 = 2 Co(NO3) + Pb
CaCl2 + RbBr = CaBr2 + RbCl =>
CaCl2 + 2 RbBr = CaBr2 + 2 RbCl
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
Mn2O3 + Hg + CN{-} + H2O = [Mn(CN)6]{-4} + Hg(CN)2 + OH{-} =>
Mn2O3 + Hg + 14 CN{-} + 3 H2O = 2[Mn(CN)6]{-4} + Hg(CN)2 + 6 OH{-}
Co(NO3)2 + Na2(SiO3) = Co(SiO3) + NaNO3 =>
Co(NO3)2 + Na2(SiO3) = Co(SiO3) + 2 NaNO3
Cu(BF4)2 = BF3 + CuF2 =>
Cu(BF4)2 = 2 BF3 + CuF2
HClO3 + SO2 + H2O = Cl2 + H2SO4 =>
2 HClO3 + 5 SO2 + 4 H2O = Cl2 + 5 H2SO4
KC2H3O2 + AgNO3 = KC2NO3 + AgH3O2 =>
KC2H3O2 + AgNO3 = KC2NO3 + AgH3O2
NaCH3COO + (NH4)2SO4 = Na2SO4 + NH4CH3COO =>
2 NaCH3COO + (NH4)2SO4 = Na2SO4 + 2 NH4CH3COO
(HOCH2)3CNH2 + HCl = (HOCH2)3CNH3{+} + Cl{-} =>
(HOCH2)3CNH2 + HCl = (HOCH2)3CNH3{+} + Cl{-}
C3H6 + H2O + KMnO4 = C3H8O2 + KOH + MnO =>
5 C3H6 + 6 H2O + 2 KMnO4 = 5 C3H8O2 + 2 KOH + 2 MnO
Ba(HCO3)2 + KOH = Ba(OH)2 + K2CO3 + H2O =>
Ba(HCO3)2 + 4 KOH = Ba(OH)2 + 2 K2CO3 + 2 H2O
[Ag(NH3)2]OH + H2S = Ag2S + H2O + NH3 =>
2[Ag(NH3)2]OH + H2S = Ag2S + 2 H2O + 4 NH3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CCl4 + K2Cr2O7 = COCl2 + CrO2Cl2 + KCl =>
3 CCl4 + K2Cr2O7 = 3 COCl2 + 2 CrO2Cl2 + 2 KCl
CuO1 + HNO3 = Cu(NO3)2 + H2O =>
CuO1 + 2 HNO3 = Cu(NO3)2 + H2O
NF3 + O2 = NO + OF2 =>
4 NF3 + 5 O2 = 4 NO + 6 OF2
CuSO4(H2O)5 + KOH = Cu(OH)2 + K2SO4 + H2O =>
CuSO4(H2O)5 + 2 KOH = Cu(OH)2 + K2SO4 + 5 H2O
Cu + Cl2 = CuCl2 =>
Cu + Cl2 = CuCl2
Cs + S = Cs2S =>
2 Cs + S = Cs2S
P + H3PO4 + H2O = H3PO2 =>
4 P + H3PO4 + 6 H2O = 5 H3PO2
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