| Équations équilibrées la veille |
K2SO4 + BaBr2 = 2 KBr + BaSO4
(NH4)2SO4 + Pb(OH)2 = NH3 + PbSO4 + H2O =>
(NH4)2SO4 + Pb(OH)2 = 2 NH3 + PbSO4 + 2 H2O
C24H40O3 + O2 = CO2 + H2O =>
2 C24H40O3 + 65 O2 = 48 CO2 + 40 H2O
Cr3 + HCl = CrCl3 + H =>
Cr3 + 9 HCl = 3 CrCl3 + 9 H
Mg(OH)2 + CH3COOH = H2O + MgC2H2O2 =>
Mg(OH)2 + CH3COOH = 2 H2O + MgC2H2O2
HCO + O2 = HO2 + CO =>
HCO + O2 = HO2 + CO
NaCl + Na2CO3 = NaClNa2CO3 =>
NaCl + Na2CO3 = NaClNa2CO3
SrCl2 + KSCN = Sr(SCN)2 + KCl =>
SrCl2 + 2 KSCN = Sr(SCN)2 + 2 KCl
Na2SO4 + BaCl2 = Na2Ba + SO4 + Cl2 =>
Na2SO4 + BaCl2 = Na2Ba + SO4 + Cl2
Ba(OH)2 + NaOH = BaOH + Na(OH)2 =>
Ba(OH)2 + NaOH = BaOH + Na(OH)2
K2CrO4 + Na2CrO4 + H2SO4 = K2Cr2O7 + Na2SO4 + H2O =>
K2CrO4 + Na2CrO4 + H2SO4 = K2Cr2O7 + Na2SO4 + H2O
S{-} + O2 = SO42{-} =>
S{-} + 21 O2 = SO42{-}
MnO4{-} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO4{-} + 5 NO2{-} + 6 H{+} = 2 Mn{2+} + 5 NO3{-} + 3 H2O
NaBO3 + KI + H2SO4 = H3BO3 + I2 + Na2SO4 + K2SO4 =>
2 NaBO3 + 4 KI + 3 H2SO4 = 2 H3BO3 + 2 I2 + Na2SO4 + 2 K2SO4
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
ZnO + Al = AlO + Zn =>
ZnO + Al = AlO + Zn
I2 = I =>
I2 = 2 I
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
H2C6H5O7 + NaOH = Na3C6H4O7 + H2O =>
H2C6H5O7 + 3 NaOH = Na3C6H4O7 + 3 H2O
CuSO4(aq) + Na2CO3(aq) + H2O = Cu2CO3(OH)2 + Na2SO4(aq) + CO2 =>
2 CuSO4(aq) + 2 Na2CO3(aq) + H2O = Cu2CO3(OH)2 + 2 Na2SO4(aq) + CO2
NaClO3 + SO2 + H2O = Na2SO4 + H2SO4 + Cl2 =>
2 NaClO3 + 5 SO2 + 4 H2O = Na2SO4 + 4 H2SO4 + Cl2
C2H5OC2H5 + O2 = CO2 + H2O =>
C2H5OC2H5 + 6 O2 = 4 CO2 + 5 H2O
Fe(oh)2 + O2 + H2O = FeOOH =>
2 Fe(oh)2 + 3 O2 + 2 H2O = 4 FeOOH
Mg + HC = H2 + MgC2 =>
Mg + 2 HC = H2 + MgC2
Po(C2O4)3 + Mc3(PO3)5 = Po(PO3)2 + Mc2(C2O4)5 =>
5 Po(C2O4)3 + 2 Mc3(PO3)5 = 5 Po(PO3)2 + 3 Mc2(C2O4)5
NaCl + CuSO4*5H2O = Na2SO4 + Na2[CuCl4] + H2O =>
4 NaCl + CuSO4*5H2O = Na2SO4 + Na2[CuCl4] + 5 H2O
NH4OH + CuSO4 = Cu(OH)2 + (NH4)2SO4 =>
2 NH4OH + CuSO4 = Cu(OH)2 + (NH4)2SO4
FeSO4 + HClO + H2SO4 = Fe2(SO4)3 + FeCl3 + H2O =>
12 FeSO4 + 6 HClO + 3 H2SO4 = 5 Fe2(SO4)3 + 2 FeCl3 + 6 H2O
Na3AsO4 + Sn + HCl = As + NaCl + SnCl2 + H2O =>
2 Na3AsO4 + 5 Sn + 16 HCl = 2 As + 6 NaCl + 5 SnCl2 + 8 H2O
Ca + C = CaC4 =>
Ca + 4 C = CaC4
Ca + HI = CaI2 + H =>
Ca + 2 HI = CaI2 + 2 H
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
NaI + K(NO3) = NaNO3 + KI =>
NaI + K(NO3) = NaNO3 + KI
[Ag(NH3)2]OH + C3H6O = CH3COOH + Ag + NH3 + H2O =>
8[Ag(NH3)2]OH + 2 C3H6O = 3 CH3COOH + 8 Ag + 16 NH3 + 4 H2O
Na2(CO3) + H3PO4 = Na3(PO4) + H2O + CO2 =>
3 Na2(CO3) + 2 H3PO4 = 2 Na3(PO4) + 3 H2O + 3 CO2
Li2O + Cl = LiCl + O =>
Li2O + 2 Cl = 2 LiCl + O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Na2CO3 + CaCO3 = Na2Ca(CO3)2 =>
Na2CO3 + CaCO3 = Na2Ca(CO3)2
Fe + HNO + C6H8O7 = C6H9O7 + FeNO =>
Fe + HNO + C6H8O7 = C6H9O7 + FeNO
Ca + Ag3PO4 = Ca3(PO4)2 + Ag =>
3 Ca + 2 Ag3PO4 = Ca3(PO4)2 + 6 Ag
Mg(OH)2 + CO2 = MgCO3 + H2O =>
Mg(OH)2 + CO2 = MgCO3 + H2O
CrCl3 + H3PO4 = HCl + CrPO4 =>
CrCl3 + H3PO4 = 3 HCl + CrPO4
B2H6 + O2 = BO2 + H2O =>
2 B2H6 + 7 O2 = 4 BO2 + 6 H2O
Fe2(SO4)3 + Na2S + H2O = FeSO4 + Na2SO4 + H2SO4 =>
4 Fe2(SO4)3 + Na2S + 4 H2O = 8 FeSO4 + Na2SO4 + 4 H2SO4
Fe2(NO3)3 + Na3(PO4) = Fe(PO4) + Na2(NO3) =>
Fe2(NO3)3 + 2 Na3(PO4) = 2 Fe(PO4) + 3 Na2(NO3)
MnO2 + H2SO4 = MnS + O2 + H2O =>
2 MnO2 + 2 H2SO4 = 2 MnS + 5 O2 + 2 H2O
FeCl2 + HClO = Cl + Fe(OH)3 =>
FeCl2 + 3 HClO = 5 Cl + Fe(OH)3
FeSO4 + NaBr = FeBr + NaSO4 =>
FeSO4 + NaBr = FeBr + NaSO4
MgSO3(s) + HNO3(aq) = H2O + Mg(NO3)2 + SO2 =>
MgSO3(s) + 2 HNO3(aq) = H2O + Mg(NO3)2 + SO2
C + O2 = CO = =>
2 C + O2 = 2 CO
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