| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
Au + KCN + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
Pb + Au(NO3)3 = Pb(NO3)2 + Au =>
3 Pb + 2 Au(NO3)3 = 3 Pb(NO3)2 + 2 Au
Au + KCN + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
NaCl(aq) + AgNO3(aq) = NaNO3(aq) + AgCl(aq) =>
NaCl(aq) + AgNO3(aq) = NaNO3(aq) + AgCl(aq)
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
SrBr2 + (NH4)2CO3 = SrCO3 + NH4Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2 NH4Br
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
K3PO4 + CaCl = Ca3PO4 + KCl =>
K3PO4 + 3 CaCl = Ca3PO4 + 3 KCl
Zn(s) + Fe2O3 = ZnO + Fe(s) =>
3 Zn(s) + Fe2O3 = 3 ZnO + 2 Fe(s)
Ba + PO4 = Ba3(PO4)2 =>
3 Ba + 2 PO4 = Ba3(PO4)2
C6H14 + O2 = H2O + CO2 =>
2 C6H14 + 19 O2 = 14 H2O + 12 CO2
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
NaOH + FeCl2 = Fe(OH)2 + NaCl =>
2 NaOH + FeCl2 = Fe(OH)2 + 2 NaCl
KMnO4 + HCl + H2S = KCl + MnCl2 + S + H2O =>
2 KMnO4 + 6 HCl + 5 H2S = 2 KCl + 2 MnCl2 + 5 S + 8 H2O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
C + S = CS2 =>
C + 2 S = CS2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
Fe + Cl2 + CuCO3 = Fe2(CO3)3 + CuCl2 =>
2 Fe + 3 Cl2 + 3 CuCO3 = Fe2(CO3)3 + 3 CuCl2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
CO(g) + H2(g) = C8H18(l) + H2O =>
8 CO(g) + 17 H2(g) = C8H18(l) + 8 H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C5H10O + O2 = H2O + CO2 =>
C5H10O + 7 O2 = 5 H2O + 5 CO2
Zn(s) + H2SO4 = ZnSO4(aq) + H2(g) =>
Zn(s) + H2SO4 = ZnSO4(aq) + H2(g)
NaCl(aq) + AgNO3(aq) = NaNO3(aq) + ClAg(s) =>
NaCl(aq) + AgNO3(aq) = NaNO3(aq) + ClAg(s)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
H2O(l) + CO2(g) = H2CO3(aq) =>
H2O(l) + CO2(g) = H2CO3(aq)
CH4 + H2O = H2 + CO =>
CH4 + H2O = 3 H2 + CO
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
BaCl2 + K2CrO4 = BaCrO4 + KCl =>
BaCl2 + K2CrO4 = BaCrO4 + 2 KCl
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C6H12O6 = C2H6O + CO2 =>
C6H12O6 = 2 C2H6O + 2 CO2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/28/21
Équations équilibrées sur04/27/20
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