| Équations équilibrées la veille |
Cr2(SO4)2 + 4 NaOH = 2 Cr(OH)2 + 2 Na2(SO4)
Pb2 + OH = Pb(OH) =>
Pb2 + 2 OH = 2 Pb(OH)
Fe{3{+}+Cu = Fe{2+}+Cu{2+} =>
2 Fe{3{+}+Cu = 2 Fe{2+}+Cu{2+}
C2H3F2 + O2 = CO2 + H2O + F2 =>
4 C2H3F2 + 11 O2 = 8 CO2 + 6 H2O + 4 F2
SnO2 + Na2S = Sn + SO2 + Na =>
SnO2 + Na2S = Sn + SO2 + 2 Na
K4(Fe(SCN)6) + FeSO4 = Fe2(Fe(SCN)6) + K2SO4 =>
K4(Fe(SCN)6) + 2 FeSO4 = Fe2(Fe(SCN)6) + 2 K2SO4
Ag(s) + H2S = AgS(s) + H2(s) =>
Ag(s) + H2S = AgS(s) + H2(s)
Sn(s) + Zn(NO3)2(aq) = Sn(NO3)2(aq) + Zn(s) =>
Sn(s) + Zn(NO3)2(aq) = Sn(NO3)2(aq) + Zn(s)
K2C2O4 + AgNO3 = K2NO3 + AgC2O4 =>
K2C2O4 + AgNO3 = K2NO3 + AgC2O4
N2(g) + O2(g) + Cr(s) = CrNO33(s) =>
N2(g) + 33 O2(g) + 2 Cr(s) = 2 CrNO33(s)
CO2 + H2O = C12H21O11 + O2 =>
48 CO2 + 42 H2O = 4 C12H21O11 + 47 O2
Zn + Ba(OH)2 = Ba + Zn(OH)2 =>
Zn + Ba(OH)2 = Ba + Zn(OH)2
NH3 + NH4NO3 = NH3NH4 + NO3 =>
NH3 + NH4NO3 = NH3NH4 + NO3
CH3COONa + KHSO4 = KSO4 + CH3COOH + Na =>
CH3COONa + KHSO4 = KSO4 + CH3COOH + Na
K2S + Pb(NO3)2 = PbS + K2(NO3)2 =>
K2S + Pb(NO3)2 = PbS + K2(NO3)2
SCl4 + H2O = SOCl2 + HCl =>
SCl4 + H2O = SOCl2 + 2 HCl
H2SO4 + Sc2O3 = Sc2(SO4)3 + H2O =>
3 H2SO4 + Sc2O3 = Sc2(SO4)3 + 3 H2O
MgO = Mg + O =>
MgO = Mg + O
Bi2(CrO4)3 + K3PO4 = BiPO4 + K2CrO4 =>
Bi2(CrO4)3 + 2 K3PO4 = 2 BiPO4 + 3 K2CrO4
Ba3(PO4)2(s) + H{+} = Ba{2+} + H3PO4(aq) =>
Ba3(PO4)2(s) + 6 H{+} = 3 Ba{2+} + 2 H3PO4(aq)
SrCO3 = SrO + CO2 =>
SrCO3 = SrO + CO2
Ni(NO3)2 + Na2C2O4 = NiC2O4 + NaNO3 =>
Ni(NO3)2 + Na2C2O4 = NiC2O4 + 2 NaNO3
KMnO4 + C6H12O6 = H2O + CO2 + K2O + MnO =>
24 KMnO4 + 5 C6H12O6 = 30 H2O + 30 CO2 + 12 K2O + 24 MnO
Ti + Sn(NO3)2 = Ti(NO3)4 + Sn2 =>
Ti + 2 Sn(NO3)2 = Ti(NO3)4 + Sn2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
CaFe2 + H2SO4 = CaSO4 + HFe =>
CaFe2 + H2SO4 = CaSO4 + 2 HFe
HI + H2SO4 = I2 + H2S + H2O =>
8 HI + H2SO4 = 4 I2 + H2S + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ca(s) + Al(NO3)2(aq) = Ca(NO3)2(aq) + Al(s) =>
Ca(s) + Al(NO3)2(aq) = Ca(NO3)2(aq) + Al(s)
HgO + HNO3 = Hg2(NO3)2 + OH =>
2 HgO + 2 HNO3 = Hg2(NO3)2 + 2 OH
CH3Br + CH3NH2 = CH3CH3NH2 + Br =>
CH3Br + CH3NH2 = CH3CH3NH2 + Br
HClO2 + HClO3 = ClO2 + H2O =>
HClO2 + HClO3 = 2 ClO2 + H2O
H2Cr2O7 + Ag = Ag2CrO4 + Cr2O3 + H2O =>
5 H2Cr2O7 + 12 Ag = 6 Ag2CrO4 + 2 Cr2O3 + 5 H2O
HgNO3 + KBr = Hg2Br2 + KNO3 =>
2 HgNO3 + 2 KBr = Hg2Br2 + 2 KNO3
C6H12 + Cl2 + KI = C6H12I + KCl =>
2 C6H12 + Cl2 + 2 KI = 2 C6H12I + 2 KCl
Cl2 + BeF2 = Be + ClF =>
Cl2 + BeF2 = Be + 2 ClF
NaHCO3 = Na2(O) + CO2 + H2O =>
2 NaHCO3 = Na2(O) + 2 CO2 + H2O
H2SO4 + KOH = HOH + KHSO4 =>
H2SO4 + KOH = HOH + KHSO4
NH4NO2 + CaBr2 = Ca(NO2)2 + NH4Br =>
2 NH4NO2 + CaBr2 = Ca(NO2)2 + 2 NH4Br
H2TeO3 + SO2 + H2O = Te + H2SO4 =>
H2TeO3 + 2 SO2 + H2O = Te + 2 H2SO4
Na3PO4 + Ca(NO3)2 = Na3(NO3) + Ca(PO4)2 =>
2 Na3PO4 + Ca(NO3)2 = 2 Na3(NO3) + Ca(PO4)2
CuSO2 = CuOSO =>
CuSO2 = CuOSO
PH3(g) + O2(g) = H2O(l) + P4O10(s) =>
4 PH3(g) + 8 O2(g) = 6 H2O(l) + P4O10(s)
KMnO4 + Na2CO3 + H2O = MnO2 + K2CO3 + NaOH + O2 =>
4 KMnO4 + 2 Na2CO3 + 2 H2O = 4 MnO2 + 2 K2CO3 + 4 NaOH + 3 O2
S(s) + CO(s) = CS(s) + SO(g) =>
2 S(s) + CO(s) = CS(s) + SO(g)
H + CrO4{-} + Fe2{+} = Cr3{+} + Fe3{+} + H2O =>
24 H + 3 CrO4{-} + 12 Fe2{+} = Cr3{+} + 8 Fe3{+} + 12 H2O
KOH + MnSO4 + Na2S2O8 = KMnO4 + Na2SO4 + K2SO4 + H2O =>
16 KOH + 2 MnSO4 + 5 Na2S2O8 = 2 KMnO4 + 5 Na2SO4 + 7 K2SO4 + 8 H2O
H2O + OH{-} + PbO2 + Cl{-} = ClO{-} + Pb(OH)3{-} =>
H2O + OH{-} + PbO2 + Cl{-} = ClO{-} + Pb(OH)3{-}
CuCl2(ac) + Sn(s) = SnCl2(ac) + Cu(s) =>
CuCl2(ac) + Sn(s) = SnCl2(ac) + Cu(s)
EDTA + CaCl2 = CaEDTA + Cl2 =>
EDTA + CaCl2 = CaEDTA + Cl2
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Équations équilibrées sur10/15/24
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