| Équations équilibrées la veille |
2 S + 3 O2 = 2 SO3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
C9H8O4 + Mg(OH)2 = CO2 + H2O + Mg =>
C9H8O4 + 18 Mg(OH)2 = 9 CO2 + 22 H2O + 18 Mg
CH3CH(CH3)CH3 + Br2 = HBr + CH3CBr(CH3)CH(CH3)CH3 =>
3 CH3CH(CH3)CH3 + 3 Br2 = 4 HBr + 2 CH3CBr(CH3)CH(CH3)CH3
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
FeBr2 + KMnO4 + H2SO4 = Fe2(SO4)3 + FeBr3 + MnSO4 + KBr + H2O =>
5 FeBr2 + KMnO4 + 4 H2SO4 = Fe2(SO4)3 + 3 FeBr3 + MnSO4 + KBr + 4 H2O
H2SO4 + KHCO3 = KSO4 + H3CO3 =>
H2SO4 + KHCO3 = KSO4 + H3CO3
H2 + O = H2O =>
H2 + O = H2O
CuSO4 + NaBH4 + H2O = Cu + Na2SO4 + B(OH)3 + H2 =>
CuSO4 + 2 NaBH4 + 6 H2O = Cu + Na2SO4 + 2 B(OH)3 + 7 H2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
C2H14 = C + H2 =>
C2H14 = 2 C + 7 H2
Bi2S3 + HNO3 = Bi(NO3)3 + NO + S + H2O =>
Bi2S3 + 8 HNO3 = 2 Bi(NO3)3 + 2 NO + 3 S + 4 H2O
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
C + O2 = CO =>
2 C + O2 = 2 CO
Al(OH)3 + KOH = KAlO2 + H2O =>
Al(OH)3 + KOH = KAlO2 + 2 H2O
Cu2S + CuO = Cu + SO2 =>
Cu2S + 2 CuO = 4 Cu + SO2
Cl{-} + [Co(H2O)6]{2+} = CoCl4{2-} + H2O =>
4 Cl{-} + [Co(H2O)6]{2+} = CoCl4{2-} + 6 H2O
Na2S2O3 + H2O2 + NaOH = Na2SO3 + H2O =>
Na2S2O3 + 2 H2O2 + 2 NaOH = 2 Na2SO3 + 3 H2O
Br2 = Br =>
Br2 = 2 Br
CH3CH2CH2CONHCH2CH3 + H3O = CH3CH2CH2COH + NH2 + CH2CH3 =>
5 CH3CH2CH2CONHCH2CH3 + 2 H3O = 7 CH3CH2CH2COH + 5 NH2 + CH2CH3
Na2SO3 + KMnO4 + H2O = KOH + MnO2 + Na2SO4 =>
3 Na2SO3 + 2 KMnO4 + H2O = 2 KOH + 2 MnO2 + 3 Na2SO4
NH4Br + LiOH = LiBr + NH3 + H2O =>
NH4Br + LiOH = LiBr + NH3 + H2O
C7H7 + Cl = C7H7Cl =>
C7H7 + Cl = C7H7Cl
Fe2O3(s) + CO(g) = Fe(i) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(i) + 3 CO2(g)
CO(g) + H2(g) = C8H18(i) + H2O =>
8 CO(g) + 17 H2(g) = C8H18(i) + 8 H2O
C + H2O = CO + H =>
C + H2O = CO + 2 H
Al3OH + HNO3 = Al3NO3 + H2O =>
Al3OH + HNO3 = Al3NO3 + H2O
ZnCl2NiOH2O = NiCl2Zn(OH)2 =>
ZnCl2NiOH2O = NiCl2Zn(OH)2
NiSO4 + AgNO3 = AgNi + SO4NO3 =>
NiSO4 + AgNO3 = AgNi + SO4NO3
CuH2 + HCl = CuCl2 + H3 =>
3 CuH2 + 6 HCl = 3 CuCl2 + 4 H3
CH3COONa + CaCl2 = (CH3COO)2Ca + NaCl =>
2 CH3COONa + CaCl2 = (CH3COO)2Ca + 2 NaCl
KClO3 + K2Cr2O7 + H2SO4 = KClO4 + Cr2(SO4)3 + H2O + K2SO4 =>
3 KClO3 + K2Cr2O7 + 4 H2SO4 = 3 KClO4 + Cr2(SO4)3 + 4 H2O + K2SO4
Li3PO4 + Zn(NO3)2 = Zn3(PO4)2 + LiNO3 =>
2 Li3PO4 + 3 Zn(NO3)2 = Zn3(PO4)2 + 6 LiNO3
Ca + HCI = CaCI + H2 =>
2 Ca + 2 HCI = 2 CaCI + H2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
N2H4 + O2 = NH3 + NO =>
3 N2H4 + O2 = 4 NH3 + 2 NO
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
HgCl2 + Fe = FeCl3 + Hg =>
3 HgCl2 + 2 Fe = 2 FeCl3 + 3 Hg
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Al + NH4CIO4 = Al2O3 + AlCI + NO + H2O =>
5 Al + 3 NH4CIO4 = Al2O3 + 3 AlCI + 3 NO + 6 H2O
CuSO4 + NaOH = Na2SO4 + Cu[OH]2 =>
CuSO4 + 2 NaOH = Na2SO4 + Cu[OH]2
BaCO3 + H3O{+} = H2O + CO2 + Ba{2+} =>
BaCO3 + 2 H3O{+} = 3 H2O + CO2 + Ba{2+}
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
As + O2 = As4O6 =>
4 As + 3 O2 = As4O6
CH{-}CH + KMnO4 = COOK{-}COOK + MnO2 + KOH + H2O =>
3 CH{-}CH + 4 KMnO4 = 3 COOK{-}COOK + 4 MnO2 + KOH + H2O
Cu + HNO3 = Cu2N2O6 + NO + H2O =>
6 Cu + 8 HNO3 = 3 Cu2N2O6 + 2 NO + 4 H2O
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Équations équilibrées sur10/22/24
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