| Équations équilibrées la veille |
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
CuS + HNO3 = CuSO4 + H2O + NO =>
3 CuS + 8 HNO3 = 3 CuSO4 + 4 H2O + 8 NO
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
CaCO3 + Na2SO4 = CaSO4 + Na2CO3 =>
CaCO3 + Na2SO4 = CaSO4 + Na2CO3
(CH3)2CO + H2 = CH3CH2OHCH3 =>
2(CH3)2CO + 3 H2 = 2 CH3CH2OHCH3
C3H6O + CH3COOK = C4H8O2 + K2CO2 =>
2 C3H6O + 4 CH3COOK = 3 C4H8O2 + 2 K2CO2
CaCO3 + Cl2 = CaCl2 + CO2 + O2 =>
2 CaCO3 + 2 Cl2 = 2 CaCl2 + 2 CO2 + O2
K2SO4 + [Au(H2O)4]Cl3 = KCl + [Au(H2O)4]2(SO4)3 =>
3 K2SO4 + 2[Au(H2O)4]Cl3 = 6 KCl + [Au(H2O)4]2(SO4)3
K2Fe(CN)6 + Cr2O3 + KOH = K4Fe(CN)6 + K2CrO4 + H =>
K2Fe(CN)6 + 2 Cr2O3 + 10 KOH = K4Fe(CN)6 + 4 K2CrO4 + 10 H
C3H3N + O2 = CO2 + H2O + N =>
4 C3H3N + 15 O2 = 12 CO2 + 6 H2O + 4 N
CoCl2 + KOH + KClO3 = Co2O3 + KCl + H2O =>
6 CoCl2 + 12 KOH + KClO3 = 3 Co2O3 + 13 KCl + 6 H2O
KOH + COCl2 + KClO3 = CO2O3 + KCl + H2O =>
2 KOH + COCl2 + KClO3 = CO2O3 + 3 KCl + H2O
Cl + KOH = KCl + KClO3 + H2O =>
6 Cl + 6 KOH = 5 KCl + KClO3 + 3 H2O
Cr2O3 + Al = AlO + Cr =>
Cr2O3 + 3 Al = 3 AlO + 2 Cr
C14H28 = C28H56 =>
2 C14H28 = C28H56
BaSO4(s) + HNO3(aq) = Ba(NO3)2(aq) + H2SO4(aq) =>
BaSO4(s) + 2 HNO3(aq) = Ba(NO3)2(aq) + H2SO4(aq)
(NH2CH2CH2)2NH + HCOH + H3PO3 = C9H28O15N3P5 + H2O =>
(NH2CH2CH2)2NH + 5 HCOH + 5 H3PO3 = C9H28O15N3P5 + 5 H2O
KBr + CI{2} = KCI + Br{2} =>
KBr + CI{2} = KCI + Br{2}
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
C2H5OH + K2Cr2O7 + H2SO4 = HC2H3O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 HC2H3O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Cr2O3 + H3PO4 = CrPO4 + H2O =>
Cr2O3 + 2 H3PO4 = 2 CrPO4 + 3 H2O
NaNO3 + K2C2O4 = Na2C2O4 + KNO3 =>
2 NaNO3 + K2C2O4 = Na2C2O4 + 2 KNO3
SO3{2-} + I2 + OH{-} = SO4{2-} + I{-} + H2O =>
SO3{2-} + I2 + 2 OH{-} = SO4{2-} + 2 I{-} + H2O
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
Tm + HNO3 = Tm(NO3)3 + NO2 + H2O =>
Tm + 6 HNO3 = Tm(NO3)3 + 3 NO2 + 3 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
MgSO4 + (NH4)2SO4 = Mg2SO4 + NH4SO4 =>
2 MgSO4 + (NH4)2SO4 = Mg2SO4 + 2 NH4SO4
NaCl + LiBr = LiCl + NaBr =>
NaCl + LiBr = LiCl + NaBr
ZnCl2 + NH3 = Zn(NH3)4 + Cl =>
ZnCl2 + 4 NH3 = Zn(NH3)4 + 2 Cl
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
C6H12N4 + HNO3 = C3H6N6O6 + C3H8 =>
C6H12N4 + 2 HNO3 = C3H6N6O6 + C3H8
CuCl2 + Zn(OH)2 = ZnCl2 + Cu(OH)2 =>
CuCl2 + Zn(OH)2 = ZnCl2 + Cu(OH)2
VCl2 + H2 = HCl + V =>
VCl2 + H2 = 2 HCl + V
K3PO4 + H2O = K6O3 + H6(PO4)2 =>
2 K3PO4 + 3 H2O = K6O3 + H6(PO4)2
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
CaOAl2O3 + Fe2O3 = CaOAl2O3Fe2O3 =>
CaOAl2O3 + Fe2O3 = CaOAl2O3Fe2O3
C2H6O + O2 = C2H4O + H2O =>
2 C2H6O + O2 = 2 C2H4O + 2 H2O
H2S + SO22 = SO2 + H2O =>
20 H2S + 3 SO22 = 23 SO2 + 20 H2O
Be(OH)2 + H2SO4 = H2O + BeSO4 =>
Be(OH)2 + H2SO4 = 2 H2O + BeSO4
Ca(s) + ZnCl2(aq) = CaCl2 + Zn =>
Ca(s) + ZnCl2(aq) = CaCl2 + Zn
FeS2 + O2 + H2O = FeSO4 + H2SO4 =>
2 FeS2 + 7 O2 + 2 H2O = 2 FeSO4 + 2 H2SO4
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Br2 + H2O = HBr + BrOH =>
Br2 + H2O = HBr + BrOH
PbNO4 + KI = PbI2 + K2NO4 =>
PbNO4 + 2 KI = PbI2 + K2NO4
NaCl(aq) + H2SO4(s) = HCl(g) + Na2SO4(s) =>
2 NaCl(aq) + H2SO4(s) = 2 HCl(g) + Na2SO4(s)
PbO2 + KBr + H2SO4 = K2SO4 + PbSO4 + Br2 + H2O =>
PbO2 + 2 KBr + 2 H2SO4 = K2SO4 + PbSO4 + Br2 + 2 H2O
Fr(s) + O2(g) = Fr2O(s) =>
4 Fr(s) + O2(g) = 2 Fr2O(s)
Cl + H2 = HCl2 =>
4 Cl + H2 = 2 HCl2
NaIO3 + SO2 + H2O = I2 + NaHSO4 + H2SO4 =>
2 NaIO3 + 5 SO2 + 4 H2O = I2 + 2 NaHSO4 + 3 H2SO4
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