| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeS(s) + 2 HCl(ag) = FeCl2(aq) + H2S(g)
Si + HNO3 + HF = SiF4 + NO2 + H2O =>
Si + 4 HNO3 + 4 HF = SiF4 + 4 NO2 + 4 H2O
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Fe3O4 + HCOOH = Fe(OOCH)2 + CO2 + H2O =>
Fe3O4 + 7 HCOOH = 3 Fe(OOCH)2 + CO2 + 4 H2O
(NH4)2S + TlCl3 = NH4Cl + Tl2S3 =>
3(NH4)2S + 2 TlCl3 = 6 NH4Cl + Tl2S3
Li2CrO4 + MnF4 = Mn(CrO4)2 + LiF =>
2 Li2CrO4 + MnF4 = Mn(CrO4)2 + 4 LiF
NH3 + H2SO4 = (NH3)2H2SO4 =>
2 NH3 + H2SO4 = (NH3)2H2SO4
TiO2 + Al = Al2O3 + Ti =>
3 TiO2 + 4 Al = 2 Al2O3 + 3 Ti
KOH + ZnO = K2O + Zn(OH)2 =>
2 KOH + ZnO = K2O + Zn(OH)2
HNO3 + H3PO3 = NO + H3PO4 + H2O =>
2 HNO3 + 3 H3PO3 = 2 NO + 3 H3PO4 + H2O
Mn2(CO3)5 + Na3(PO4) = Mn3(PO4)5 + Na2(CO3) =>
3 Mn2(CO3)5 + 10 Na3(PO4) = 2 Mn3(PO4)5 + 15 Na2(CO3)
NaNO2 + NH4NO3 = NH3 + NaOH + NO2 =>
NaNO2 + NH4NO3 = NH3 + NaOH + 2 NO2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Al1(O1H1)3 + H2S1O4 = Al2(S1O4)3 + H2O1 =>
2 Al1(O1H1)3 + 3 H2S1O4 = Al2(S1O4)3 + 6 H2O1
C2H6S3 + O2 = CO2 + H2O + SO2 =>
2 C2H6S3 + 13 O2 = 4 CO2 + 6 H2O + 6 SO2
S + O = SO2 =>
S + 2 O = SO2
Ba(NO3)2 + (CrOH)2SO4 + H2O = Cr(OH)3 + [Cr(OH)2]2SO4 + BaSO4 + NH4HSO4 =>
Ba(NO3)2 + 8(CrOH)2SO4 + 16 H2O = 6 Cr(OH)3 + 5[Cr(OH)2]2SO4 + BaSO4 + 2 NH4HSO4
Ba3(PO4)2(s) = Ba + (PO4)2 =>
Ba3(PO4)2(s) = 3 Ba + (PO4)2
C2H5OH + Ag2O = CH3COOH + Ag + H2O =>
C2H5OH + 2 Ag2O = CH3COOH + 4 Ag + H2O
HCl + H3P + VO3 + Mn2O3 = MnCl7 + V3P + H2O =>
210 HCl + 8 H3P + 24 VO3 + 15 Mn2O3 = 30 MnCl7 + 8 V3P + 117 H2O
C2H5OH + Ag2O = CH3COOH + Ag + H2O =>
C2H5OH + 2 Ag2O = CH3COOH + 4 Ag + H2O
C3H6 + H2O = CO2 + H2 =>
C3H6 + 6 H2O = 3 CO2 + 9 H2
C6H5 + O2 = CO2 + H2O =>
4 C6H5 + 29 O2 = 24 CO2 + 10 H2O
KClO3 + P4(s) = P4O10 + KCl =>
10 KClO3 + 3 P4(s) = 3 P4O10 + 10 KCl
Co + Cu = CoCu =>
Co + Cu = CoCu
FeO + CuCl2 = FeCl2 + CuO =>
FeO + CuCl2 = FeCl2 + CuO
Na + K2SO4 = Na2(SO4) + K =>
2 Na + K2SO4 = Na2(SO4) + 2 K
C3H5(NO3)3(nitroglicerina) = CO2 + N2 + O2 + H2O =>
4 C3H5(NO3)3(nitroglicerina) = 12 CO2 + 6 N2 + O2 + 10 H2O
S8(iv) + O2 = S2O3 =>
S8(iv) + 6 O2 = 4 S2O3
Cu(II)SO4 + Na2CO3 = Cu(II)CO3 + Na2SO4 =>
Cu(II)SO4 + Na2CO3 = Cu(II)CO3 + Na2SO4
Al(ClO)3 + Na2(O2) = Al2(O2)3 + Na(ClO) =>
2 Al(ClO)3 + 3 Na2(O2) = Al2(O2)3 + 6 Na(ClO)
CrO3 + H2(SO4) + KBr = K2(SO4) + Cr2(SO4)3 + Br2 + H2O =>
2 CrO3 + 6 H2(SO4) + 6 KBr = 3 K2(SO4) + Cr2(SO4)3 + 3 Br2 + 6 H2O
Cr2O72{-} + I{-} + H{+} = Cr3{+} + I2 + H2O =>
6 Cr2O72{-} + 854 I{-} + 864 H{+} = 4 Cr3{+} + 427 I2 + 432 H2O
M2CO3 + HCl = CO2 + MCl + H2O =>
M2CO3 + 2 HCl = CO2 + 2 MCl + H2O
Fe2 + O = Fe2O3 =>
Fe2 + 3 O = Fe2O3
CI2 + KI = KCI + I2 =>
CI2 + KI = KCI + I2
Ca3(PO4)2(s) + HCl(aq) = CaCl2(aq) + H3PO4(aq) =>
Ca3(PO4)2(s) + 6 HCl(aq) = 3 CaCl2(aq) + 2 H3PO4(aq)
CH3C6H5 + HNO3 = CH3C6H2(NO2)3 + H2O =>
CH3C6H5 + 3 HNO3 = CH3C6H2(NO2)3 + 3 H2O
V10O28{6-} + H2SO3 + H{+} = VO{2+} + SO3 + H2O =>
V10O28{6-} + 5 H2SO3 + 26 H{+} = 10 VO{2+} + 5 SO3 + 18 H2O
FeCO3 + O2 = Fe2O3 + CO2 =>
4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
NdCl3 + HF = NdF3 + HCl =>
NdCl3 + 3 HF = NdF3 + 3 HCl
Li2S + Al2(SO4)3 = Li2SO4 + Al2S3 =>
3 Li2S + Al2(SO4)3 = 3 Li2SO4 + Al2S3
La2(C2O4)3 + HCl = LaCl3 + H2C2O4 =>
La2(C2O4)3 + 6 HCl = 2 LaCl3 + 3 H2C2O4
MgS + Be3P2 = MgBe + S3P2 =>
3 MgS + Be3P2 = 3 MgBe + S3P2
Na3AsO4 + HI = Na3AsO3 + I2 + H2O =>
Na3AsO4 + 2 HI = Na3AsO3 + I2 + H2O
Gd + GdI3 = GdI2 =>
Gd + 2 GdI3 = 3 GdI2
CuS + HCl + KNO3 = CuCl2 + KCl + NO + S + H2O =>
3 CuS + 8 HCl + 2 KNO3 = 3 CuCl2 + 2 KCl + 2 NO + 3 S + 4 H2O
KBr + AgNO3 = AgBr + KNO3 =>
KBr + AgNO3 = AgBr + KNO3
CO(g) + K2Cr2O7(aq) + H2SO4(aq) = CO2(g) + Cr2(SO4)3(aq) + K2SO4(aq) + H2O(l) =>
3 CO(g) + K2Cr2O7(aq) + 4 H2SO4(aq) = 3 CO2(g) + Cr2(SO4)3(aq) + K2SO4(aq) + 4 H2O(l)
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