| Équations équilibrées la veille |
3 CuS + 8 HNO3 = 3 CuSO4 + 8 NO + 4 H2O
NaHCO3 + C8H8O7 + H2O = NaC6H7O7 + CO2 =>
13 NaHCO3 + 9 C8H8O7 + 3 H2O = 13 NaC6H7O7 + 7 CO2
NH4OH + HNO2 = H2O + NH4NO =>
4 NH4OH + 2 HNO2 = 5 H2O + 3 NH4NO
MgSO4*7H2O + NaHCO3 = MgCO3 + Na2SO4 + H2O + CO2 =>
MgSO4*7H2O + 2 NaHCO3 = MgCO3 + Na2SO4 + 8 H2O + CO2
H2SO4NaH = NaOHH2SO3 =>
H2SO4NaH = NaOHH2SO3
Al(NO3)3 + CuSO4 = Al + (SO4)3 + Cu(NO3)2 =>
2 Al(NO3)3 + 3 CuSO4 = 2 Al + (SO4)3 + 3 Cu(NO3)2
CH3CH2OH + O2 = H2O + CH3COOOH =>
2 CH3CH2OH + 3 O2 = 2 H2O + 2 CH3COOOH
HCOOH + Mg(OH)2 = Mg(OH)HCOO + H2O =>
HCOOH + Mg(OH)2 = Mg(OH)HCOO + H2O
HNO3 + KI + HCl = I2 + N2 + KCl + H2O2O =>
2 HNO3 + 2 KI + 2 HCl = I2 + N2 + 2 KCl + 2 H2O2O
Mo6Co7 + Co3S4 = Co + MoS2 =>
Mo6Co7 + 3 Co3S4 = 16 Co + 6 MoS2
S + Mo + Re = S2MoRe2 =>
2 S + Mo + 2 Re = S2MoRe2
HBrO3 + HNO2 = NHO3 + Br2 + H2O =>
2 HBrO3 + 5 HNO2 = 5 NHO3 + Br2 + H2O
NiCl3 + KOH = Ni(OH)3 + KCl =>
NiCl3 + 3 KOH = Ni(OH)3 + 3 KCl
AgNO3 + (Na)3P = Ag3P + NaNO3 =>
3 AgNO3 + (Na)3P = Ag3P + 3 NaNO3
P2O3 + Mg(OH)2 = MgPHO3 + H2O =>
P2O3 + 2 Mg(OH)2 = 2 MgPHO3 + H2O
My + HCl = MyCl2 + H =>
My + 2 HCl = MyCl2 + 2 H
NO3 + H2O = NH3 + H2O2 =>
2 NO3 + 12 H2O = 2 NH3 + 9 H2O2
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
C6H12 = C6H11 + H2 =>
2 C6H12 = 2 C6H11 + H2
CuCl2 + K2Cr2O7 = CuCr2O7 + KCl =>
CuCl2 + K2Cr2O7 = CuCr2O7 + 2 KCl
Cl2 + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2 + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
Na2CrO4 + H2SO4 = Na2SO4 + CrO3 + H2O =>
Na2CrO4 + H2SO4 = Na2SO4 + CrO3 + H2O
Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3
ZrO(OH)2 + NaOH + H2O = Na2[Zr(OH)6] =>
ZrO(OH)2 + 2 NaOH + H2O = Na2[Zr(OH)6]
SO2CI2 + HI = H2S + H2O + HCI + I2 =>
SO2CI2 + 7 HI = H2S + 2 H2O + HCI + 4 I2
KCl + Na2CO3 = KNa2 + CO3Cl =>
KCl + Na2CO3 = KNa2 + CO3Cl
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
K2SO3 + HNO3 = H2O + KNO3 + SO2 =>
K2SO3 + 2 HNO3 = H2O + 2 KNO3 + SO2
Na2(CO3) + NO + O2 = Na(NO3) + CO2 =>
2 Na2(CO3) + 4 NO + 3 O2 = 4 Na(NO3) + 2 CO2
H3AsO4 + KOH = H3OH + AsO4K =>
H3AsO4 + KOH = H3OH + AsO4K
H2C2O4 + CrO4{-}2 + H{+} = CO2 + Cr{+3} + H2O =>
2 H2C2O4 + CrO4{-}2 + 4 H{+} = 4 CO2 + Cr{+3} + 4 H2O
Mg3 + N2 + H2O = NH3 + MgOH =>
2 Mg3 + N2 + 6 H2O = 2 NH3 + 6 MgOH
H2C4H2O4 + NaHCO3 = CO2 + H2O + Na2C4H2O4 =>
H2C4H2O4 + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2C4H2O4
CaI2 + NS = CaS + NI2 =>
CaI2 + NS = CaS + NI2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
ZnS + HNO3 = Zn(NO3)2 + H2SO4 + NO2 + H2O =>
ZnS + 10 HNO3 = Zn(NO3)2 + H2SO4 + 8 NO2 + 4 H2O
CrCO3 + NaCl = Na2CO3 + CrCl2 =>
CrCO3 + 2 NaCl = Na2CO3 + CrCl2
Pb(NO3)2 + ZnCl2 = Pb + Zn + (NO3)Cl =>
Pb(NO3)2 + ZnCl2 = Pb + Zn + 2(NO3)Cl
AI + F2 = AIF2 =>
AI + F2 = AIF2
C3H5NO2 + O2 = NH3 + CO2 + H2O =>
2 C3H5NO2 + 5 O2 = 2 NH3 + 6 CO2 + 2 H2O
Cd(s) + H2SO4(aq) = CdSO4 + H2 =>
Cd(s) + H2SO4(aq) = CdSO4 + H2
NH4Cl + CaBr2 = CaCl2 + NH4Br =>
2 NH4Cl + CaBr2 = CaCl2 + 2 NH4Br
O2 + C2H12O = CO2 + H2O =>
9 O2 + 2 C2H12O = 4 CO2 + 12 H2O
K2Cr2O7 + H2SO4 + SbCl3 = Cr2(SO4)3 + SbCl3SO4 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 3 SbCl3 = Cr2(SO4)3 + 3 SbCl3SO4 + K2SO4 + 7 H2O
As2S5 + HNO3 = H2O + NO2 + H2SO4 + HAsO4 =>
As2S5 + 44 HNO3 = 16 H2O + 44 NO2 + 5 H2SO4 + 2 HAsO4
NH4NO3 + C7H5N3O6 = N2 + CO2 + H2O =>
21 NH4NO3 + 2 C7H5N3O6 = 24 N2 + 14 CO2 + 47 H2O
H2SO4 + Fr(OH)3 = Fr(HSO4)3 + H2O =>
3 H2SO4 + Fr(OH)3 = Fr(HSO4)3 + 3 H2O
CuCl2 + O2 + Al = Cu2O + Al2Cl3 =>
12 CuCl2 + 3 O2 + 16 Al = 6 Cu2O + 8 Al2Cl3
LiOH + H2SO4 = LiSO4 + H2O + H =>
LiOH + H2SO4 = LiSO4 + H2O + H
Cu2FeS(x) + O2 = Cu2O + Fe3O4 + SO2 =>
6 Cu2FeS(x) + 13 O2 = 6 Cu2O + 2 Fe3O4 + 6 SO2
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