| Équations équilibrées la veille | Équations équilibrées le lendemain |
B2S3(s) + 6 H2O = 2 H3BO3(aq) + 3 H2S(g)
Mg3N2(s) + H2O = Mg(OH)2 + NH3(g) =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2 + 2 NH3(g)
BaO + NO2 = Ba(NO3)2 + NO =>
BaO + 3 NO2 = Ba(NO3)2 + NO
C12H22O11 + Ca(OH)2 = CH3CH2OH + CO2 + CaCO3 =>
C12H22O11 + Ca(OH)2 = 4 CH3CH2OH + 3 CO2 + CaCO3
Mg3N2(s) + H2O = Mg(OH)2(aq) + NH3(aq) =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2(aq) + 2 NH3(aq)
Zn + Cu2(SO4)2 = ZnSO4 + Cu =>
2 Zn + Cu2(SO4)2 = 2 ZnSO4 + 2 Cu
N2H4 + NaOH + Zn + H2O = NH3 + Na2[Zn(OH)4] =>
N2H4 + 2 NaOH + Zn + 2 H2O = 2 NH3 + Na2[Zn(OH)4]
FeS + O3 = FeO + SO2 =>
FeS + O3 = FeO + SO2
(CH3CO)2 + NaHCO3 = Na(CH3CO)2 + CO2 + H2O =>
19(CH3CO)2 + 18 NaHCO3 = 18 Na(CH3CO)2 + 22 CO2 + 12 H2O
BaO(s) + H2O(l) = Ba(OH)2(aq) =>
BaO(s) + H2O(l) = Ba(OH)2(aq)
AgNO3 + NaHCO3 + NaOH = Ag2CO3 + NaNO3 + H2O =>
2 AgNO3 + NaHCO3 + NaOH = Ag2CO3 + 2 NaNO3 + H2O
Be3N2 = Be + N2 =>
Be3N2 = 3 Be + N2
C2H5OH5OH + O2 = CO2 + H2O =>
4 C2H5OH5OH + 15 O2 = 8 CO2 + 22 H2O
MnO2 + Al + H2SO4 = MnSO4 + Al2(SO4)3 + H2O =>
3 MnO2 + 2 Al + 6 H2SO4 = 3 MnSO4 + Al2(SO4)3 + 6 H2O
Mg3N2(s) + H2O = Mg(OH)2 + NH3 =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2 + 2 NH3
CrO + H2O = Cr(OH)2 =>
CrO + H2O = Cr(OH)2
C12H22O11 + Ca(OH)2 = CH3CH2OH + CaCO3 + H2O =>
C12H22O11 + 4 Ca(OH)2 = 4 CH3CH2OH + 4 CaCO3 + 3 H2O
B2S3(s) + H2O = H3BO3(aq) + H2S(g) =>
B2S3(s) + 6 H2O = 2 H3BO3(aq) + 3 H2S(g)
Fe(NO3)3(aq) + NaI(aq) = FeI3(aq) + NaNO3(aq) =>
Fe(NO3)3(aq) + 3 NaI(aq) = FeI3(aq) + 3 NaNO3(aq)
Mg3N2(s) + H2O = Mg(OH)2(s) + NH3(g) =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2(s) + 2 NH3(g)
N2H4 + Zn + NaOH + H2O = NH3 + Na2(Zn(OH)4) =>
N2H4 + Zn + 2 NaOH + 2 H2O = 2 NH3 + Na2(Zn(OH)4)
Mg + HClO2 = Mg(ClO2) + H2 =>
2 Mg + 2 HClO2 = 2 Mg(ClO2) + H2
B2S3(s) + H2O = H3BO3 + H2S =>
B2S3(s) + 6 H2O = 2 H3BO3 + 3 H2S
CrO4{2-} + S2{-} + H2O = Cr(OH)3 + S(s) + OH{-} =>
CrO4{2-} + 3 S2{-} + 4 H2O = Cr(OH)3 + 6 S(s) + 5 OH{-}
Co(NO3)2(aq) + Na2S(aq) = CoS(s) + NaNO3(aq) =>
Co(NO3)2(aq) + Na2S(aq) = CoS(s) + 2 NaNO3(aq)
H2O2 + HNO3 = H2O + NO3 =>
H2O2 + 2 HNO3 = 2 H2O + 2 NO3
C12H22O11 + Ca(OH)2 = C6H10CaO6 + H2O =>
C12H22O11 + 2 Ca(OH)2 = 2 C6H10CaO6 + 3 H2O
Mg3N2(s) + H2O = Mg(OH)2(aq) + NH3(g) =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2(aq) + 2 NH3(g)
P2O5 + Mg(OH)2 = MgHPO4 + H2O =>
P2O5 + 2 Mg(OH)2 = 2 MgHPO4 + H2O
Zn + Cu2(SO4)2 = Zn(SO4) + Cu =>
2 Zn + Cu2(SO4)2 = 2 Zn(SO4) + 2 Cu
Mg + HClO2 = Mg(ClO2)2 + H2 =>
Mg + 2 HClO2 = Mg(ClO2)2 + H2
K2SO4 + H2O = KOH + H2SO4 =>
K2SO4 + 2 H2O = 2 KOH + H2SO4
CrO + H2O = H2CrO2 =>
CrO + H2O = H2CrO2
C12H22O11 + Ca(OH)2 = C12H22O11CaO + H2O =>
C12H22O11 + Ca(OH)2 = C12H22O11CaO + H2O
B(C2H5O)3 + O2 = B2O3 + CO2 + H2O =>
2 B(C2H5O)3 + 18 O2 = B2O3 + 12 CO2 + 15 H2O
WFeS2 + O2 = SO2 + WO + Fe0 =>
2 WFeS2 + 5 O2 = 4 SO2 + 2 WO + 2 Fe0
S + O2 + H2O = H2SO4 =>
2 S + 3 O2 + 2 H2O = 2 H2SO4
HNO3 + H2O2 = HNO4 + H2O =>
HNO3 + H2O2 = HNO4 + H2O
Mg + HCOH = Mg(HCO)2 + H2 =>
Mg + 2 HCOH = Mg(HCO)2 + H2
Co(NO3)2(aq) + Na2S(aq) = CoS + NaNO3 =>
Co(NO3)2(aq) + Na2S(aq) = CoS + 2 NaNO3
Pt + H2O = PtOH + H =>
Pt + H2O = PtOH + H
P2O5 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
P2O5 + 3 Mg(OH)2 = Mg3(PO4)2 + 3 H2O
B2S3(s) + H2O = H3BO3 + H2S =>
B2S3(s) + 6 H2O = 2 H3BO3 + 3 H2S
Mg3N2(s) + H2O = Mg(OH)2 + NH3(g) =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2 + 2 NH3(g)
Fe(OH)3 + CH2O + H{+} = Fe{2+} + HCO3{-} + H2O =>
4 Fe(OH)3 + CH2O + 7 H{+} = 4 Fe{2+} + HCO3{-} + 10 H2O
(NH4)3PO4 + AgNO3 = Ag3PO4 + NH4NO3 =>
(NH4)3PO4 + 3 AgNO3 = Ag3PO4 + 3 NH4NO3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Co(SO4)3 + Na2CO3 = Co(CO3)3 + Na2SO4 =>
Co(SO4)3 + 3 Na2CO3 = Co(CO3)3 + 3 Na2SO4
Mg + HClO2 = MgClO2 + H2 =>
2 Mg + 2 HClO2 = 2 MgClO2 + H2
La + HNO3 = La(NO3)3 + H2 =>
2 La + 6 HNO3 = 2 La(NO3)3 + 3 H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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