| Équations équilibrées la veille |
2 KCl + S = K2S + Cl2
C2H5OH + H2O = CO2 + H =>
C2H5OH + 3 H2O = 2 CO2 + 12 H
BrO3{-} + Sn{2+} + H{+} = Br{-} + Sn{4+} + H2O =>
BrO3{-} + 3 Sn{2+} + 6 H{+} = Br{-} + 3 Sn{4+} + 3 H2O
KMnO4 + H2SO4 + Na3C6H5O7 = MnSO4 + Na2SO4 + K2SO4 + H2O + CO2 =>
36 KMnO4 + 69 H2SO4 + 10 Na3C6H5O7 = 36 MnSO4 + 15 Na2SO4 + 18 K2SO4 + 94 H2O + 60 CO2
KNO2 + H2SO4 + MnO2 = MnSO2 + KNO3 + H2O =>
3 KNO2 + H2SO4 + MnO2 = MnSO2 + 3 KNO3 + H2O
KBrO3 + K2S8 = K2SO4 + Br2 + S =>
4 KBrO3 + K2S8 = 3 K2SO4 + 2 Br2 + 5 S
CH3COOH + H2O = CO2 + H2 =>
CH3COOH + 2 H2O = 2 CO2 + 4 H2
SBr3 = S + Br2 =>
2 SBr3 = 2 S + 3 Br2
(Cu2)O + O2 = CuO =>
2(Cu2)O + O2 = 4 CuO
KHCO3(aq) + HCl(aq) = KCl(aq) + CO2(g) + H2O =>
KHCO3(aq) + HCl(aq) = KCl(aq) + CO2(g) + H2O
CH3COCH2 + Na2[Fe(CN)5NO] = Na2Fe(CN)5NO(CH2COCH3)2 =>
2 CH3COCH2 + Na2[Fe(CN)5NO] = Na2Fe(CN)5NO(CH2COCH3)2
SrCl2 + H2SO4 = SrSO4 + HCl =>
SrCl2 + H2SO4 = SrSO4 + 2 HCl
Cu(OH)2 + C6H12O6 = Cu2O + H2 + C6H12O7 =>
2 Cu(OH)2 + 3 C6H12O6 = Cu2O + 2 H2 + 3 C6H12O7
K2CrO2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + I2 =>
2 K2CrO2O7 + 26 KI + 18 H2SO4 = 15 K2SO4 + Cr2(SO4)3 + 18 H2O + 13 I2
NaO + H3PO4 = Na3(PO4)2 + H2O =>
3 NaO + 2 H3PO4 = Na3(PO4)2 + 3 H2O
NH3 + Cl2 = NH4Cl + N2Cl2 =>
8 NH3 + 4 Cl2 = 6 NH4Cl + N2Cl2
CH3CH2OH + Al2O3 = CH3CHCH2 + Al(OH)3 =>
3 CH3CH2OH + Al2O3 = 2 CH3CHCH2 + 2 Al(OH)3
MnCl3 + K2CO3 = Mn2(CO3)3 + KCl =>
2 MnCl3 + 3 K2CO3 = Mn2(CO3)3 + 6 KCl
Cu3(PO4)2 + AgNO3 = Cu(NO3)2 + Ag3PO4 =>
Cu3(PO4)2 + 6 AgNO3 = 3 Cu(NO3)2 + 2 Ag3PO4
H3P + KMnO4 + H2SeO4 = KHSeO4 + MnSeO4 + P4 + H2O =>
20 H3P + 12 KMnO4 + 24 H2SeO4 = 12 KHSeO4 + 12 MnSeO4 + 5 P4 + 48 H2O
NH3 + Cl2 = NH4Cl + N2Cl2 =>
8 NH3 + 4 Cl2 = 6 NH4Cl + N2Cl2
KIO4 + KI + H3BO3 = K3BO3 + I2 + H2O =>
3 KIO4 + 21 KI + 8 H3BO3 = 8 K3BO3 + 12 I2 + 12 H2O
C6H8O6 + IO3{-} + H{+} + Cl{-} = C6H6O6 + ICl + H2O =>
2 C6H8O6 + IO3{-} + 2 H{+} + Cl{-} = 2 C6H6O6 + ICl + 3 H2O
Al(OH)3 + Ba(OH)2 = Al2Ba + OH =>
2 Al(OH)3 + Ba(OH)2 = Al2Ba + 8 OH
H4P2O7 + NH4OH = NH4 + P2O7 + H2O =>
H4P2O7 + 4 NH4OH = 4 NH4 + P2O7 + 4 H2O
K2SO4(s) + Ba(C2H3O2)2(aq) = BaSO4(s) + K(C2H3O2)(aq) =>
K2SO4(s) + Ba(C2H3O2)2(aq) = BaSO4(s) + 2 K(C2H3O2)(aq)
Na2S2O5 + Cl = NaCl + Na2S2O7 + SO2 =>
3 Na2S2O5 + 4 Cl = 4 NaCl + Na2S2O7 + 4 SO2
Ca(OH)2(aq) + H2SO4(aq) = CaSO4(s) + H2O(l) =>
Ca(OH)2(aq) + H2SO4(aq) = CaSO4(s) + 2 H2O(l)
NH4Cl + Pb(NO3)2 = PbCl2 + (NH4)(NO3) =>
2 NH4Cl + Pb(NO3)2 = PbCl2 + 2(NH4)(NO3)
H3PO4(aq) + HCl(aq) = PCl5() + H2O(l) =>
H3PO4(aq) + 5 HCl(aq) = PCl5() + 4 H2O(l)
(d)Li(s) + H2O(l) = LiOH(aq) + H2(g) =>
2(d)Li(s) + 2 H2O(l) = 2 LiOH(aq) + H2(g)
Zn + HNO3 = NH3 + Zn(NO3)2 + H2O =>
4 Zn + 9 HNO3 = NH3 + 4 Zn(NO3)2 + 3 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3COOH + PCl3 = CH3COCl + H3PO3 =>
3 CH3COOH + PCl3 = 3 CH3COCl + H3PO3
(H2)C8H18 + (H2)O2 = CO2 + H2O =>
(H2)C8H18 + 26(H2)O2 = 8 CO2 + 36 H2O
Ba + Al2(SO4)3 = Al + BaSO4 =>
3 Ba + Al2(SO4)3 = 2 Al + 3 BaSO4
CH3NO2 + N2O + OH{-} = CO3{-2} + H2O + N2 =>
2 CH3NO2 + 3 N2O + 4 OH{-} = 2 CO3{-2} + 5 H2O + 4 N2
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
K2Cr2O7 + HCl = KCrClO3 + H2O =>
K2Cr2O7 + 2 HCl = 2 KCrClO3 + H2O
CaO + Cr2O3 = CaCr2O4 =>
CaO + Cr2O3 = CaCr2O4
Cl + Na3BrO = Na + Cl(BrO) =>
Cl + Na3BrO = 3 Na + Cl(BrO)
H2 + C + O2 = HCH3O2 =>
2 H2 + C + O2 = HCH3O2
NaCl + HCl = NaCl2H =>
NaCl + HCl = NaCl2H
Copper(ii)sulfide + oxygen = copper + sulfurdioxide =>
CuS + O2 = Cu + SO2
K + H3SO4 = H2 + K2SO4 =>
4 K + 2 H3SO4 = 3 H2 + 2 K2SO4
Hf + N2 = Hf3*N4 =>
3 Hf + 2 N2 = Hf3*N4
CH3COONa + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
10 CH3COONa + 16 KMnO4 + 29 H2SO4 = 20 CO2 + 16 MnSO4 + 8 K2SO4 + 5 Na2SO4 + 44 H2O
In + I = I5In4 =>
4 In + 5 I = I5In4
MnO2 + KClO3 + KOH = H2O + K2MnO4 + KCl =>
3 MnO2 + KClO3 + 6 KOH = 3 H2O + 3 K2MnO4 + KCl
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