| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 C2H4O + 2 KMnO4 + 3 H2SO4 = 5 CH3COOH + 2 MnSO4 + K2SO4 + 3 H2O
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
NaclO3 + MnO2 + NaOH = Nacl + Na2MnO4 + H2O =>
NaclO3 + 3 MnO2 + 6 NaOH = Nacl + 3 Na2MnO4 + 3 H2O
NH3 + KMNO4 + H2SO4 = N2 + MNSO4 + K2SO4 + H2O =>
10 NH3 + 6 KMNO4 + 9 H2SO4 = 5 N2 + 6 MNSO4 + 3 K2SO4 + 24 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
NaBr + H2SO4 = Na2SO4 + SO2 + Br2 + H2O =>
2 NaBr + 2 H2SO4 = Na2SO4 + SO2 + Br2 + 2 H2O
HCl + K2SO3 = KCl + H2O + SO2 =>
2 HCl + K2SO3 = 2 KCl + H2O + SO2
C2H5OH + HCOOH = C2H5COOH + H2O =>
C2H5OH + HCOOH = C2H5COOH + H2O
SIO2(s) + C(s) = SIC(s) + CO(g) =>
SIO2(s) + 3 C(s) = SIC(s) + 2 CO(g)
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
AgNO3 + H2O = HNO3 + Ag2O =>
2 AgNO3 + H2O = 2 HNO3 + Ag2O
SiH4 + O2 = SiO2 + H2O =>
SiH4 + 2 O2 = SiO2 + 2 H2O
Mg + HNO3 = Mg(NO3) + N2 + H2O =>
10 Mg + 12 HNO3 = 10 Mg(NO3) + N2 + 6 H2O
C3H8(g) + O2(g) = CO2(g) + H2O(l) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(l)
MgOH + HBr = MgBr + H2O =>
MgOH + HBr = MgBr + H2O
Ag + HCl = AgCl + H =>
Ag + HCl = AgCl + H
NaCrO2 + Br2 + NaOH = NaCrO4 + NaBr + H2O =>
NaCrO2 + 2 Br2 + 4 NaOH = NaCrO4 + 4 NaBr + 2 H2O
KCLO + Fe(OH)2 + H2SO4 = KCL + Fe2(SO4)3 + H2O =>
KCLO + 2 Fe(OH)2 + 3 H2SO4 = KCL + Fe2(SO4)3 + 5 H2O
S(s) + H2(g) = H2S =>
S(s) + H2(g) = H2S
SIO2(s) + C(s) = SI(s) + CO2(g) =>
SIO2(s) + C(s) = SI(s) + CO2(g)
S(s) + H2(g) = H2S(g) =>
S(s) + H2(g) = H2S(g)
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Na3CO(NO2)6(s) + HCl(aq) = NaCl + H3CO(NO2)6 =>
Na3CO(NO2)6(s) + 3 HCl(aq) = 3 NaCl + H3CO(NO2)6
S(s) + H2(g) = H2S(l) =>
S(s) + H2(g) = H2S(l)
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HNO3 + Fe2SO4 = Fe2(SO4)3 + Fe(NO3)3 + NO + H2O =>
16 HNO3 + 3 Fe2SO4 = Fe2(SO4)3 + 4 Fe(NO3)3 + 4 NO + 8 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
SiO2(s) + C(s) = Si(s) + CO2(g) =>
SiO2(s) + C(s) = Si(s) + CO2(g)
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
CH3CH2CHOH + O2 = CH3COOH + H2O =>
4 CH3CH2CHOH + 5 O2 = 6 CH3COOH + 2 H2O
K + HNO3 = KNO3 + N20 + H2O =>
100 K + 120 HNO3 = 100 KNO3 + N20 + 60 H2O
CU + HCl = CUCl + H =>
CU + HCl = CUCl + H
Zn(s) + O2(g) = ZnO(s) =>
2 Zn(s) + O2(g) = 2 ZnO(s)
ZrOCl2 + NH4OH + H2O = Zr(OH)4 + NH4Cl =>
ZrOCl2 + 2 NH4OH + H2O = Zr(OH)4 + 2 NH4Cl
CU + HCl = CUCl + H =>
CU + HCl = CUCl + H
H2S + KOH = H2O + K2S =>
H2S + 2 KOH = 2 H2O + K2S
AlS + O2 = Al2O3 + SO2 =>
4 AlS + 7 O2 = 2 Al2O3 + 4 SO2
MnO + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 MnO + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 4 H2O
K2[Ni(CN)4] + Br2 + KOH = Ni(OH)2 + CNBr + KBr =>
K2[Ni(CN)4] + 4 Br2 + 2 KOH = Ni(OH)2 + 4 CNBr + 4 KBr
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
FeSO4 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
Na + NH3 + C = NaCN + H2 =>
2 Na + 2 NH3 + 2 C = 2 NaCN + 3 H2
FeC2O4 + Cr2O7 + H{+} = Fe{2+} + Cr{3+} + CO2 + H2O =>
4 FeC2O4 + Cr2O7 + 14 H{+} = 4 Fe{2+} + 2 Cr{3+} + 8 CO2 + 7 H2O
H2S + KOH = H2O + K2S =>
H2S + 2 KOH = 2 H2O + K2S
Cu + Zn = Cu3Zn2 =>
3 Cu + 2 Zn = Cu3Zn2
Na2Ac + HCl(aq) = NaCl + H2Ac =>
Na2Ac + 2 HCl(aq) = 2 NaCl + H2Ac
AlCl3 + NH4OH = AlOOH + NH4Cl + H2O =>
AlCl3 + 3 NH4OH = AlOOH + 3 NH4Cl + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/03/16
Équations équilibrées sur05/03/15
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