| Équations équilibrées la veille |
KCN = KC + N
O2 + CH3CH2CH2CH3 = H2O + CO2 =>
13 O2 + 2 CH3CH2CH2CH3 = 10 H2O + 8 CO2
Tl2SO4 + Br2 + KOH = Tl2O3 + K2SO4 + HBr + KBr =>
Tl2SO4 + 2 Br2 + 3 KOH = Tl2O3 + K2SO4 + 3 HBr + KBr
Hg + K2CrO4 = Hg2CrO4 + K =>
2 Hg + K2CrO4 = Hg2CrO4 + 2 K
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
BaS + CuSO4 = BaSO4 + CuS =>
BaS + CuSO4 = BaSO4 + CuS
NH4Br + LiOH = LiBr + NH3 + H2O =>
NH4Br + LiOH = LiBr + NH3 + H2O
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
Zn + HCIO4 = ZnCIO4 + H2 =>
2 Zn + 2 HCIO4 = 2 ZnCIO4 + H2
SeO2 + H2Se = Se + H2O =>
SeO2 + 2 H2Se = 3 Se + 2 H2O
Na3VO4 + SO2 + H2SO4 = VOSO4 + Na2SO4 + H2O =>
2 Na3VO4 + SO2 + 4 H2SO4 = 2 VOSO4 + 3 Na2SO4 + 4 H2O
HCl + Y(OH)3 = YCl3 + H2O =>
3 HCl + Y(OH)3 = YCl3 + 3 H2O
CN{-} + H2O = CNO{-} + H{+} + e =>
CN{-} + H2O = CNO{-} + 2 H{+} + 2e
I3O + Al = I + AlO =>
I3O + Al = 3 I + AlO
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
HCOOC6H5OH + NaOH = HCOONa + C6H5ONa + H2O =>
16 HCOOC6H5OH + 37 NaOH = 22 HCOONa + 15 C6H5ONa + 26 H2O
K3PO4 + P2O5 + H2O = K2HPO4 =>
4 K3PO4 + P2O5 + 3 H2O = 6 K2HPO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
H2S + Cl2 = HCl + S2 =>
2 H2S + 2 Cl2 = 4 HCl + S2
Te + NaOH + H2O2 = Na2TeO4 + H2O =>
Te + 2 NaOH + 3 H2O2 = Na2TeO4 + 4 H2O
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
Fe + Na2S2O3 + HCl = FeCl3 + NaCl + H2S + H2O =>
8 Fe + 3 Na2S2O3 + 30 HCl = 8 FeCl3 + 6 NaCl + 6 H2S + 9 H2O
BaCl2 + K2S = Ba2S + KCl2 =>
2 BaCl2 + K2S = Ba2S + 2 KCl2
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
C2H4Br2 + KCN = C2H4BrCN + KBr =>
C2H4Br2 + KCN = C2H4BrCN + KBr
CH3COONa(aq) + AgNO3(aq) = AgCH3COO + NaNO3 =>
CH3COONa(aq) + AgNO3(aq) = AgCH3COO + NaNO3
H2S + Cl2 = HCl + S =>
H2S + Cl2 = 2 HCl + S
P + KOH + H2O = PH3 + K3PO4 =>
8 P + 9 KOH + 3 H2O = 5 PH3 + 3 K3PO4
Zn(OH)2 + NH4Cl = Zn[NH3]4Cl2 + H2O + HCl =>
Zn(OH)2 + 4 NH4Cl = Zn[NH3]4Cl2 + 2 H2O + 2 HCl
Cu(NO3)2 + H2CO3 = CuCO3 + HNO3 =>
Cu(NO3)2 + H2CO3 = CuCO3 + 2 HNO3
Al + NaNO3 + NaOH = NaAlO + NH3 + H2O =>
8 Al + NaNO3 + 7 NaOH = 8 NaAlO + NH3 + 2 H2O
Sn(s) + HNO3(aq) = H2SnO3(aq) + NO(g) + NO2(g) =>
Sn(s) + 2 HNO3(aq) = H2SnO3(aq) + NO(g) + NO2(g)
NH4 + KMnO4 + KOH = KNO3 + K2MnO4 + H2O =>
NH4 + 9 KMnO4 + 10 KOH = KNO3 + 9 K2MnO4 + 7 H2O
C3H6O + NaHCO3 = C3H5O2Na + CO2 + H2O =>
7 C3H6O + 8 NaHCO3 = 8 C3H5O2Na + 5 CO2 + 5 H2O
Hg(NO3)2 + H2S = NHO3 + HgS =>
Hg(NO3)2 + H2S = 2 NHO3 + HgS
BaCO3 + HBr = BaBr2 + CO2 + H2O =>
BaCO3 + 2 HBr = BaBr2 + CO2 + H2O
Sr(OH)2 + HNO3 = (SrOH)NO3 + H2O =>
Sr(OH)2 + HNO3 = (SrOH)NO3 + H2O
BaS + CuSO4 = Ba2(SO4)2 + Cu2S2 =>
2 BaS + 2 CuSO4 = Ba2(SO4)2 + Cu2S2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
SO2 + NH3 = N2O + H2S + H2O =>
4 SO2 + 6 NH3 = 3 N2O + 4 H2S + 5 H2O
Cr + SO4 = CrSO4 =>
Cr + SO4 = CrSO4
BaCr2O7 + NaOH = NaCr2O7 + BaOH =>
BaCr2O7 + NaOH = NaCr2O7 + BaOH
NH4CI + NaOH = NH3 + H2O + NaCI =>
NH4CI + NaOH = NH3 + H2O + NaCI
VCl3 + KMnO4 + H2O = HVO3 + KCl + MnCl2 + HCl =>
5 VCl3 + 2 KMnO4 + 7 H2O = 5 HVO3 + 2 KCl + 2 MnCl2 + 9 HCl
Na3PO4(ac) + Cu(NO3)2(ac) = Cu3(PO4)2(s) + NaNO3(ac) =>
2 Na3PO4(ac) + 3 Cu(NO3)2(ac) = Cu3(PO4)2(s) + 6 NaNO3(ac)
I + Br2 + H2O = IO3{-} + Br{-} + H{+} =>
2 I + 5 Br2 + 6 H2O = 2 IO3{-} + 10 Br{-} + 12 H{+}
KCl + CO2 + H2O = KClO3 + C12H22O11 =>
8 KCl + 12 CO2 + 11 H2O = 8 KClO3 + C12H22O11
H2CrO4 + KCl = HCl + K2CrO4 =>
H2CrO4 + 2 KCl = 2 HCl + K2CrO4
CaBr2 + Cl2 = ClBr2 + Ca2 =>
2 CaBr2 + Cl2 = 2 ClBr2 + Ca2
KH + C2H5OH = K{+} + C2H5O{-} + H2 =>
KH + C2H5OH = K{+} + C2H5O{-} + H2
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Équations équilibrées sur11/04/24
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