| Équations équilibrées la veille |
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
OH{-} + Sn{4+} + Cr2O7{2-}(aq) = CrO4{-}(aq) + Sn{2+}(aq) + H2O(l) =>
2 OH{-} + Sn{4+} + Cr2O7{2-}(aq) = 2 CrO4{-}(aq) + Sn{2+}(aq) + H2O(l)
N2O + CS2 = N2 + CO2 + SO2 =>
6 N2O + CS2 = 6 N2 + CO2 + 2 SO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KMnO4 + KCl + H2SO4 = MnSO4 + K2SO4 + H2O + Cl50 =>
10 KMnO4 + 50 KCl + 40 H2SO4 = 10 MnSO4 + 30 K2SO4 + 40 H2O + Cl50
NiSi2 + N2 = Ni + Si3N4 =>
3 NiSi2 + 4 N2 = 3 Ni + 2 Si3N4
BaSiO3 + HCl = BaCl2 + H2SiO3 =>
BaSiO3 + 2 HCl = BaCl2 + H2SiO3
Mg + Co2 = MgCo =>
2 Mg + Co2 = 2 MgCo
Al + Ca(OH)2 + H2O = Ca(Al(OH)4)2 + H2 =>
2 Al + Ca(OH)2 + 6 H2O = Ca(Al(OH)4)2 + 3 H2
KO2 + H = KOH + H2O =>
KO2 + 3 H = KOH + H2O
(CH3(CH3)4CH3) + O2 = CO2 + H2O =>
2(CH3(CH3)4CH3) + 21 O2 = 12 CO2 + 18 H2O
CO2 + H2O = C2H4 + O2 =>
2 CO2 + 2 H2O = C2H4 + 3 O2
Na2S2O3 + AgCl = AgNaS2O3 + NaCl =>
Na2S2O3 + AgCl = AgNaS2O3 + NaCl
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
KI(ac) + HNO3(ac) = H2O(l) + I2(g) + KNO3(ac) + NO(ac) =>
6 KI(ac) + 8 HNO3(ac) = 4 H2O(l) + 3 I2(g) + 6 KNO3(ac) + 2 NO(ac)
C3H4OH + HBr = C3H4Br + H2O =>
C3H4OH + HBr = C3H4Br + H2O
CaCO3 + H3C6H5O7 = Ca3(C6H5O7)2 + CO2 + H2O =>
3 CaCO3 + 2 H3C6H5O7 = Ca3(C6H5O7)2 + 3 CO2 + 3 H2O
Mg + H3PO4 = Mg3(H3PO4)2 =>
3 Mg + 2 H3PO4 = Mg3(H3PO4)2
C10H7N3S + H2O2 = CO2 + H2O + HNO3 + H2SO4 =>
C10H7N3S + 34 H2O2 = 10 CO2 + 35 H2O + 3 HNO3 + H2SO4
MgCl2 + (NH4)2CO3 = MgCO3 + (NH4)2 + Cl2 =>
MgCl2 + (NH4)2CO3 = MgCO3 + (NH4)2 + Cl2
Cl2 + Al(NO3)3 = AlCl3 + NO3 =>
3 Cl2 + 2 Al(NO3)3 = 2 AlCl3 + 6 NO3
C6H5ONa + NaHCO3 = C6H5OH + Na2CO3 =>
C6H5ONa + NaHCO3 = C6H5OH + Na2CO3
NaBH4 + PtCl2 = NaCl + Pt + H4B =>
2 NaBH4 + PtCl2 = 2 NaCl + Pt + 2 H4B
KNO2 + KMnO4 + H2SO4 = K2SO4 + KNO3 + H2O + MnSO4 =>
5 KNO2 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 5 KNO3 + 3 H2O + 2 MnSO4
C6H12O6 + H2O2 = C3H2O3 + H2O =>
C6H12O6 + 4 H2O2 = 2 C3H2O3 + 8 H2O
Fe2S + O = Fe2O + SO2 =>
Fe2S + 3 O = Fe2O + SO2
Cd(s) + Hg2SO4(s) = Hg(l) + CdSO4(ac) =>
Cd(s) + Hg2SO4(s) = 2 Hg(l) + CdSO4(ac)
K2SIO3 + NaOH = KOH + Na2SIO3 =>
K2SIO3 + 2 NaOH = 2 KOH + Na2SIO3
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
Fe2S + O = Fe2O + SO2 =>
Fe2S + 3 O = Fe2O + SO2
KMnO4 + H2SO4 + NaNO2 = K2SO4 + NaNO3 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = K2SO4 + 5 NaNO3 + 2 MnSO4 + 3 H2O
Cu2S + HNO3 = Cu(NO3)2 + S8 + NO + H2O =>
24 Cu2S + 128 HNO3 = 48 Cu(NO3)2 + 3 S8 + 32 NO + 64 H2O
Zn + HF = ZnF + H2 =>
2 Zn + 2 HF = 2 ZnF + H2
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
NO2 + Zn = ZnO + N2 =>
2 NO2 + 4 Zn = 4 ZnO + N2
CuO + N2O3 = CuN2O4 =>
CuO + N2O3 = CuN2O4
FeOHNO3 + HCl = FeCl2 + HNO3 + H2O =>
FeOHNO3 + 2 HCl = FeCl2 + HNO3 + H2O
FeS2 + HCl + HNO3 = FeCl3 + H2O + NO2 + SO2 =>
FeS2 + 3 HCl + 11 HNO3 = FeCl3 + 7 H2O + 11 NO2 + 2 SO2
K2O + HNO3 = H2O + KNO3 =>
K2O + 2 HNO3 = H2O + 2 KNO3
Na(OH)(l) + NH4Cl(s) = NaCl + NH4(OH) =>
Na(OH)(l) + NH4Cl(s) = NaCl + NH4(OH)
Ca2SO3 + H2SO4 = SO2 + H2O + Ca2O4 =>
Ca2SO3 + 3 H2SO4 = 4 SO2 + 3 H2O + Ca2O4
NiO + SO2 + H2O = NiSO2(OH)2 =>
NiO + SO2 + H2O = NiSO2(OH)2
HCl + KCH = KCl + H2C =>
HCl + KCH = KCl + H2C
CH3CH2COOH + SOCl2 = CH3CH2COCl + HCl + SO2 =>
CH3CH2COOH + SOCl2 = CH3CH2COCl + HCl + SO2
C8H11N + O2 = CO2 + H2O + N2 =>
4 C8H11N + 43 O2 = 32 CO2 + 22 H2O + 2 N2
Ca(OH)2 + KC8H5O4 = Ca(KC8H4O4)2 + H2O =>
Ca(OH)2 + 2 KC8H5O4 = Ca(KC8H4O4)2 + 2 H2O
SiO2 + HCl = SiCl4 + H2 + O2 =>
SiO2 + 4 HCl = SiCl4 + 2 H2 + O2
K2Cr2O7 + NaI + H2SO4 = I2 + H2O + KSO4 + Na2SO4 + CrSO4 =>
K2Cr2O7 + 6 NaI + 7 H2SO4 = 3 I2 + 7 H2O + 2 KSO4 + 3 Na2SO4 + 2 CrSO4
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