| Équations équilibrées la veille |
CH3CH(Cl)CH3NaOH = CH3CH(OH)CH3NaCl
KI + H2SO4 = I2 + H2S + K2SO4H2O =>
8 KI + 5 H2SO4 = 4 I2 + H2S + 4 K2SO4H2O
[V(H2O)6]Cl3 = [V(H2O)6] + Cl2 =>
2[V(H2O)6]Cl3 = 2[V(H2O)6] + 3 Cl2
CH3CH2BrCH3OH = CH3CH2OCH3HBr =>
CH3CH2BrCH3OH = CH3CH2OCH3HBr
KOH + H3PO4 = H2O + K3PO4 =>
3 KOH + H3PO4 = 3 H2O + K3PO4
Ca(COO)2 + KMnO4 + H2SO4 = CO2 + MnSO4 + H2O + CaSO4 + K2SO4 =>
5 Ca(COO)2 + 2 KMnO4 + 8 H2SO4 = 10 CO2 + 2 MnSO4 + 8 H2O + 5 CaSO4 + K2SO4
ZnAgNO3 = Zn(NO3)Ag =>
ZnAgNO3 = Zn(NO3)Ag
HBrO3 + H2S = S + Br + H2O =>
2 HBrO3 + 5 H2S = 5 S + 2 Br + 6 H2O
S(s) + KCIO3(s) = KCI(s) + SO2(g) =>
3 S(s) + 2 KCIO3(s) = 2 KCI(s) + 3 SO2(g)
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
C6H5NH2(CH3CO)2O = CH3CONHC6H5CH3CO2H =>
C6H5NH2(CH3CO)2O = CH3CONHC6H5CH3CO2H
NO2{-} + Zn + H3O{+} = Zn{2+} + NH3 + H2O =>
NO2{-} + 3 Zn + 7 H3O{+} = 3 Zn{2+} + NH3 + 9 H2O
SO4{-} + C2H3Cl + H2O = CO2 + H{+} + Cl{-} + SO4{2-} =>
10 SO4{-} + C2H3Cl + 4 H2O = 2 CO2 + 11 H{+} + Cl{-} + 10 SO4{2-}
(C6H8O6)2 + Mg(OH)2 = Mg(C6H7O6)2 + (H2O)2 =>
(C6H8O6)2 + Mg(OH)2 = Mg(C6H7O6)2 + (H2O)2
Fe(II) + O2 = Fe(II)O =>
2 Fe(II) + O2 = 2 Fe(II)O
MnO4{-} + Cr2O3 + OH{-} = MnO2 + CrO4{2-} + H2O =>
2 MnO4{-} + Cr2O3 + 2 OH{-} = 2 MnO2 + 2 CrO4{2-} + H2O
N4 = N =>
N4 = 4 N
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + CO2 + KNO3 + MnSO4 + K2SO4 + H2O =>
10[Cr(N2H4CO)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 420 CO2 + 660 KNO3 + 1176 MnSO4 + 223 K2SO4 + 1879 H2O
C2H6O + (CrO7){2-} + H{+} = CO2 + Cr{3+} + H2O =>
3 C2H6O + 4(CrO7){2-} + 20 H{+} = 6 CO2 + 4 Cr{3+} + 19 H2O
AiO3 + H2SO4 = Ai(SO4)3 + H2O =>
AiO3 + 3 H2SO4 = Ai(SO4)3 + 3 H2O
Al + H2O = Al(OH) + H3 =>
3 Al + 3 H2O = 3 Al(OH) + H3
Co{2+} = Co{3+} + e =>
Co{2+} = Co{3+} + e
Na(l) + Cl2(g) = NaCl(s) =>
2 Na(l) + Cl2(g) = 2 NaCl(s)
Cu3Zn2 + HCl = Cu + ZnCl2 + H2 =>
Cu3Zn2 + 4 HCl = 3 Cu + 2 ZnCl2 + 2 H2
CO3 + HNO3 = NO3 + CO2 + H2O =>
CO3 + 2 HNO3 = 2 NO3 + CO2 + H2O
MnSO4 + ZnSO4 + KMnO4 + H2O = [(Zn(OH)2)2MnO2] + KHSO4 + H2SO4 =>
3 MnSO4 + 10 ZnSO4 + 2 KMnO4 + 22 H2O = 5[(Zn(OH)2)2MnO2] + 2 KHSO4 + 11 H2SO4
NaOH + CH3CH2COOH = CH3CH2COO + NaOH2 =>
NaOH + CH3CH2COOH = CH3CH2COO + NaOH2
H2S + HCl = SCl2 + H2 =>
H2S + 2 HCl = SCl2 + 2 H2
C2OH6 + K2Cr2O7 + HNO3 = KNO3 + CrNO3 + C2O2H5 + H2O =>
10 C2OH6 + 3 K2Cr2O7 + 12 HNO3 = 6 KNO3 + 6 CrNO3 + 10 C2O2H5 + 11 H2O
Fe2O3(s) + H = Fe(s) + H2O(l) =>
Fe2O3(s) + 6 H = 2 Fe(s) + 3 H2O(l)
C18H35 + O2 = CO2 + H2O =>
4 C18H35 + 107 O2 = 72 CO2 + 70 H2O
Na2S04 + Pb(NO3)2 = Na2(NO3)2 + PbS04 =>
Na2S04 + Pb(NO3)2 = Na2(NO3)2 + PbS04
Mg{2+} + HCO3{-} + Ca(OH)2 = MgCO3 + CaCO3 + H2O =>
Mg{2+} + 2 HCO3{-} + Ca(OH)2 = MgCO3 + CaCO3 + 2 H2O
[Fe(SCN6)] + NaF = [Fe(F)6] + Na6SCN6 =>
[Fe(SCN6)] + 6 NaF = [Fe(F)6] + Na6SCN6
K2[HgI4] + CuSO4 + SO2 + H2O = Cu2[HgI4] + K2SO4 + H2SO4 =>
K2[HgI4] + 2 CuSO4 + SO2 + 2 H2O = Cu2[HgI4] + K2SO4 + 2 H2SO4
HNO3(aq) + CaCO3 = Ca(NO3)2(aq) + CO2(g)H2O(l) =>
2 HNO3(aq) + CaCO3 = Ca(NO3)2(aq) + CO2(g)H2O(l)
Zn(OH)2 + H3Po4 = Zn3(Po4)2 + H2O =>
3 Zn(OH)2 + 2 H3Po4 = Zn3(Po4)2 + 6 H2O
H[SbCl4] + Br2 = HBr + Br[SbCl4] =>
H[SbCl4] + Br2 = HBr + Br[SbCl4]
CH3COO{-} + H{+} = CH4 + CO2 =>
CH3COO{-} + H{+} = CH4 + CO2
Ca(OH)2 + COCl2 = CaCO3 + HCl =>
Ca(OH)2 + COCl2 = CaCO3 + 2 HCl
AgBr + CaBr = Br + AgCa =>
AgBr + CaBr = 2 Br + AgCa
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
HBr + C6H5CHCH2 = C8H9Br =>
HBr + C6H5CHCH2 = C8H9Br
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
P2O3 + AgNO3 = Ag + NO2 + P2O5 =>
P2O3 + 2 AgNO3 = 2 Ag + 2 NO2 + P2O5
K2CO3(aq) + HClO4(aq) = KClO4(s) + CO2(g) + H2O(l) =>
K2CO3(aq) + 2 HClO4(aq) = 2 KClO4(s) + CO2(g) + H2O(l)
U + C + O2 = U2(CO3)3 =>
4 U + 6 C + 9 O2 = 2 U2(CO3)3
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Équations équilibrées sur12/10/24
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