| Équations équilibrées la veille |
K2SO + 2 HNO3 = H2O + 2 KNO3 + S
Cu + XeF4 = Xe + CuF2 =>
2 Cu + XeF4 = Xe + 2 CuF2
Co(s) + F2(g) = CoF3(s) =>
2 Co(s) + 3 F2(g) = 2 CoF3(s)
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
H2 + F2 = HF =>
H2 + F2 = 2 HF
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Cr2O3 + CO2 = Cr2(CO3)3 =>
Cr2O3 + 3 CO2 = Cr2(CO3)3
FeS + NaCl = FeCl2 + Na2S =>
FeS + 2 NaCl = FeCl2 + Na2S
CH3NH2HI + O2 = CO2 + H2O + NH3 + HI =>
2 CH3NH2HI + 3 O2 = 2 CO2 + 2 H2O + 2 NH3 + 2 HI
KCl + NaOH = KOH + NaCl =>
KCl + NaOH = KOH + NaCl
C8H8S8O8 + O2 = CO2 + H2O + SO2 =>
C8H8S8O8 + 14 O2 = 8 CO2 + 4 H2O + 8 SO2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Al(NO3)3 + CaSO4 = Ca(NO3)2 + Al2(SO4)3 =>
2 Al(NO3)3 + 3 CaSO4 = 3 Ca(NO3)2 + Al2(SO4)3
MnO4{-} + H{+} + NO2{-} = H2O + Mn{2+} + NO3{-} =>
2 MnO4{-} + 6 H{+} + 5 NO2{-} = 3 H2O + 2 Mn{2+} + 5 NO3{-}
Pb(OH)2 + NaCl = PbCl2 + NaOH =>
Pb(OH)2 + 2 NaCl = PbCl2 + 2 NaOH
(Na)3PO4 + Ca(OH)2 = Ca3(PO4)2 + NaOH =>
2(Na)3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 NaOH
C54H110 + O2 = CO + H2O =>
2 C54H110 + 109 O2 = 108 CO + 110 H2O
PbSO4 + AgNO3 = Ag2SO4 + Pb(NO3)2 =>
PbSO4 + 2 AgNO3 = Ag2SO4 + Pb(NO3)2
NaHCO3C2H4O2 = CO2NaC2H3O2H2O =>
NaHCO3C2H4O2 = CO2NaC2H3O2H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
SiO2(s) + CaCO3(s) = CO2(g) + CaSi2O5 =>
2 SiO2(s) + CaCO3(s) = CO2(g) + CaSi2O5
P4S3 + NO3 = PO4 + SO4 + NO =>
P4S3 + 14 NO3 = 4 PO4 + 3 SO4 + 14 NO
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
KClO = KCl + O2 = =>
2 KClO = 2 KCl + O2
C6H13OH + K2Cr2O7 + HCl = C5H11COH + CrCl3 + H2O + KCl =>
3 C6H13OH + K2Cr2O7 + 8 HCl = 3 C5H11COH + 2 CrCl3 + 7 H2O + 2 KCl
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
NO(g) + H2(g) = N2(g) + H2O(l) =>
2 NO(g) + 2 H2(g) = N2(g) + 2 H2O(l)
CH3NH2 + CH3Br = CH3CH2NH2 + HBr =>
CH3NH2 + CH3Br = CH3CH2NH2 + HBr
ZnMg + O2 = ZnO + MgO =>
ZnMg + O2 = ZnO + MgO
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
KBr + Hg(OH)2 + H2SO4 = K2[HgBr4] + K2SO4 + H2O =>
4 KBr + Hg(OH)2 + H2SO4 = K2[HgBr4] + K2SO4 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CO2 + H2O + HF = C2H3F + O2 =>
4 CO2 + 2 H2O + 2 HF = 2 C2H3F + 5 O2
Al + Cl2 = AlCl3 = =>
2 Al + 3 Cl2 = 2 AlCl3
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
C2H3Cl + O2 = CO2 + H2O + HCl =>
2 C2H3Cl + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
AgCl + NaOH + C6H12O6 = Ag + NaC6H11O7 + NaCl + H2O =>
2 AgCl + 3 NaOH + C6H12O6 = 2 Ag + NaC6H11O7 + 2 NaCl + 2 H2O
Zn + HNO3 = Zn(NO3) + N2O + H2O =>
8 Zn + 10 HNO3 = 8 Zn(NO3) + N2O + 5 H2O
FeC2O4 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Fe(SO4)3 + H2O + CO2 =>
5 FeC2O4 + 6 KMnO4 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 Fe(SO4)3 + 24 H2O + 10 CO2
H2SeO4 + NaOH = H3O + NaSeO4 =>
H2SeO4 + NaOH = H3O + NaSeO4
HCl + F2 + H2O = HClO4 + HF =>
HCl + 4 F2 + 4 H2O = HClO4 + 8 HF
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Cu + MgCl = CuCl2 + Mg2 =>
Cu + 2 MgCl = CuCl2 + Mg2
Cr(OH)3 + H2O = Cr(OH)4{-}2 + H{+} =>
Cr(OH)3 + H2O = Cr(OH)4{-}2 + H{+}
KOH + HF = H2O + KHF2 =>
KOH + 2 HF = H2O + KHF2
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
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Équations équilibrées sur10/21/24
Équations équilibrées sur11/20/23
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