| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 B + 3 O2 = 2 B2O3
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Ba{+2} + SO4{-2} = BaSO4 =>
Ba{+2} + SO4{-2} = BaSO4
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
Hg2(NO3)2 + NaCl = Hg2Cl2 + NaNO3 =>
Hg2(NO3)2 + 2 NaCl = Hg2Cl2 + 2 NaNO3
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
P4O6 + O2 = P4O10 =>
P4O6 + 2 O2 = P4O10
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
Au + HNO3 + HCl = HAuCl4 + NO + H2O =>
Au + HNO3 + 4 HCl = HAuCl4 + NO + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
MgCl2 + Na2CO3 = MgCO3 + NaCl =>
MgCl2 + Na2CO3 = MgCO3 + 2 NaCl
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CrO4{2-} + Pb + H2O = Cr(OH)3 + HPbO2{-} + OH{-} =>
2 CrO4{2-} + 3 Pb + 5 H2O = 2 Cr(OH)3 + 3 HPbO2{-} + OH{-}
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
HCl + O2 = Cl2 + H2O =>
4 HCl + O2 = 2 Cl2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
*Na + MgF2 = NaF + Mg =>
2*Na + MgF2 = 2 NaF + Mg
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Rb + P = Rb3P =>
3 Rb + P = Rb3P
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Au + HNO3 + HCl = HAuCl4 + NO2 + H2O =>
Au + 3 HNO3 + 4 HCl = HAuCl4 + 3 NO2 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
O2 + N2 = N2O4 =>
2 O2 + N2 = N2O4
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Ca{2+} + PO4{3-} = Ca3(PO4)2 =>
3 Ca{2+} + 2 PO4{3-} = Ca3(PO4)2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Br2 + NH3 = NH4Br + N2 =>
3 Br2 + 8 NH3 = 6 NH4Br + N2
Cd(NO3)2 + (NH4)2S = CdS + NH4NO3 =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NH4NO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/27/21
Équations équilibrées sur04/26/20
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