| Équations équilibrées la veille |
2 CH3{-}C = 2 C{-}CH3 + 3 H2
HClO + KBr + HCl = KCl + Br2 + H2OHCl =>
HClO + 2 KBr + 2 HCl = 2 KCl + Br2 + H2OHCl
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Zn(CH3COO)2 + H2O = CH3COOH + Zn(OH)2 =>
Zn(CH3COO)2 + 2 H2O = 2 CH3COOH + Zn(OH)2
Cl2 + I2 + Ba(OH)2 = BaCl2 + Ba(IO3)2 + H2O =>
5 Cl2 + I2 + 6 Ba(OH)2 = 5 BaCl2 + Ba(IO3)2 + 6 H2O
Zn(NO3)2(aq) + Na(s) = NaNO3(aq) + Zn(s) =>
Zn(NO3)2(aq) + 2 Na(s) = 2 NaNO3(aq) + Zn(s)
Na2Co3 + AgNo3 = Ag2Co3 + NaNo3 =>
Na2Co3 + 2 AgNo3 = Ag2Co3 + 2 NaNo3
C6H5CH2P(O)(OC2H5)2 + NaOH = C6H5CH2P(O)(OC2H5)(OC2NaH4) + H2O =>
C6H5CH2P(O)(OC2H5)2 + NaOH = C6H5CH2P(O)(OC2H5)(OC2NaH4) + H2O
Cr3{+} + (ClO3){-} + OH{-} = (CrO4)2{-} + Cl{-} + H2O =>
12 Cr3{+} + 43(ClO3){-} + 30 OH{-} = 18(CrO4)2{-} + 43 Cl{-} + 15 H2O
CH3OH(aq) + O2(g) = H2CO(aq) + H2O =>
2 CH3OH(aq) + O2(g) = 2 H2CO(aq) + 2 H2O
NaIO = NaI + NaIO3 =>
3 NaIO = 2 NaI + NaIO3
C2H6 + CO2 = C + H2O =>
2 C2H6 + 3 CO2 = 7 C + 6 H2O
NaOH(aq) + NI(NO3)2 = NI(OH)2(aq) + NaNO3(aq) =>
2 NaOH(aq) + NI(NO3)2 = NI(OH)2(aq) + 2 NaNO3(aq)
CH3OONa + HCl = CH3OOCl + HNa =>
CH3OONa + HCl = CH3OOCl + HNa
H2MnO4 + LiOH = LiHMnO4 + H2O =>
H2MnO4 + LiOH = LiHMnO4 + H2O
K2SO3 + HCl = SO2 + H2O + KCl =>
K2SO3 + 2 HCl = SO2 + H2O + 2 KCl
NiN2O6 + FeN3H18O18 + C2H6O = NiFe2O4 + CH3NO3 + H2O =>
NiN2O6 + 2 FeN3H18O18 + 4 C2H6O = NiFe2O4 + 8 CH3NO3 + 18 H2O
Al2(SO4)5 + Ca(OH)2 = Al(OH)5 + Ca(SO4) =>
Al2(SO4)5 + 5 Ca(OH)2 = 2 Al(OH)5 + 5 Ca(SO4)
S2O3{2-} + H{+} = S + SO2 + H2O =>
S2O3{2-} + 2 H{+} = S + SO2 + H2O
C2H5OH + KMnO4 = CH3COOH + H2O + MnO + K2O =>
5 C2H5OH + 4 KMnO4 = 5 CH3COOH + 5 H2O + 4 MnO + 2 K2O
Pt + Pb(NO3)2 = Pt(NO3)2 + Pb =>
Pt + Pb(NO3)2 = Pt(NO3)2 + Pb
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
S + CO2 = SO2 + C =>
S + CO2 = SO2 + C
HO2CCO2H + NaOH = NaO2CCO2Na + H2O =>
HO2CCO2H + 2 NaOH = NaO2CCO2Na + 2 H2O
C2H6S + O2 + NaOH = Na2CO3 + Na2SO4 + H2O =>
C2H6S + 5 O2 + 6 NaOH = 2 Na2CO3 + Na2SO4 + 6 H2O
Ca(NO3)2*4H2O + Co(NO3)2*6H2O + C6H10O5 = Ca3Co4O9 + N2 + CO2 + H2O =>
12 Ca(NO3)2*4H2O + 16 Co(NO3)2*6H2O + 11 C6H10O5 = 4 Ca3Co4O9 + 28 N2 + 66 CO2 + 199 H2O
C6H5OH + HBr = C6H5Br + H2O =>
C6H5OH + HBr = C6H5Br + H2O
Na + CH3CO2H = NaCH3CO2 + H2 =>
2 Na + 2 CH3CO2H = 2 NaCH3CO2 + H2
Li2O + H = LiH + O =>
Li2O + 2 H = 2 LiH + O
CoCl2 + KCN = K2[Co(CN)4] + KCl =>
CoCl2 + 4 KCN = K2[Co(CN)4] + 2 KCl
Cr(OH)3 + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 OH{-} = 2 CrO4{2-} + 8 H2O
CH3CH(CH3)COONa + NaOH = C3H8 + Na2CO3 =>
CH3CH(CH3)COONa + NaOH = C3H8 + Na2CO3
Mn + Na = MnNa =>
Mn + Na = MnNa
Ca(NO3)2(aq) + KOH(aq) = Ca(OH)2 + KNO3(aq) =>
Ca(NO3)2(aq) + 2 KOH(aq) = Ca(OH)2 + 2 KNO3(aq)
As2 + O3 = As2O3 =>
As2 + O3 = As2O3
CuCl2(s) + Al(s) = Cu(s) + AlCl3 =>
3 CuCl2(s) + 2 Al(s) = 3 Cu(s) + 2 AlCl3
Cl2O3 + H2O = HClO2 =>
Cl2O3 + H2O = 2 HClO2
K2 + I2 = KI =>
K2 + I2 = 2 KI
C4H7NO2 + S = C4H7NO + SO2 =>
2 C4H7NO2 + S = 2 C4H7NO + SO2
MnS2 = Mn + S2 =>
MnS2 = Mn + S2
Fe + Cu{2} = Fe{3} + Cu =>
2 Fe + 3 Cu{2} = 2 Fe{3} + 3 Cu
H2SO4 + MgI2 = MgSO4 + HI =>
H2SO4 + MgI2 = MgSO4 + 2 HI
C62H5SH + O2 = C02 + H2O + SO2 =>
2 C62H5SH + 5 O2 = 62 C02 + 6 H2O + 2 SO2
K4[Fe(CN)6] + HNO3 = H2[Fe(CN)5(NO)] + CO2 + NH4NO3 + KNO3 =>
K4[Fe(CN)6] + 6 HNO3 = H2[Fe(CN)5(NO)] + CO2 + NH4NO3 + 4 KNO3
CH3CO2 + H2O = H3O + CH2CO2 =>
CH3CO2 + H2O = H3O + CH2CO2
CH4(s) + O2(g) = CO2 + H2O(s) =>
CH4(s) + 2 O2(g) = CO2 + 2 H2O(s)
Ca(No3)2(aq) + Na2CO3(aq) = CaCO3(aq) + NaNo3(aq) =>
Ca(No3)2(aq) + Na2CO3(aq) = CaCO3(aq) + 2 NaNo3(aq)
C4H8 + O3 = CO2 + H2O =>
C4H8 + 4 O3 = 4 CO2 + 4 H2O
Cl2(g) + CdBr2(s) = CdCl2(aq) + Br2(l) =>
Cl2(g) + CdBr2(s) = CdCl2(aq) + Br2(l)
C6H7N + (CH3CO)2O = C6H5NH(COCH3) + CH3COOH =>
C6H7N + (CH3CO)2O = C6H5NH(COCH3) + CH3COOH
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