| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
MgH + Cl = MgCl + H2 =>
2 MgH + 2 Cl = 2 MgCl + H2
PbO + Mn = Pb + MnO2 =>
2 PbO + Mn = 2 Pb + MnO2
Cr(OH)3 + Cu{2+} + OH{-} = CrO4{2-} + Cu{+} + H2O =>
Cr(OH)3 + 3 Cu{2+} + 5 OH{-} = CrO4{2-} + 3 Cu{+} + 4 H2O
CrCl3 + (NH4)2S + H2O = Cr(OH)3 + NH4Cl + H2S =>
2 CrCl3 + 3(NH4)2S + 6 H2O = 2 Cr(OH)3 + 6 NH4Cl + 3 H2S
K2HPO4 + NaOH = NaPO4 + K2OH + H =>
K2HPO4 + NaOH = NaPO4 + K2OH + H
H2O + P2O3 + H2Cr2O7 = H3PO4 + CrPO4 =>
H2O + 3 P2O3 + 2 H2Cr2O7 = 2 H3PO4 + 4 CrPO4
Cu(NO3)2*6H2O + NaHCO3 = Cu(HCO3)2 + NaNO3 + H2O =>
Cu(NO3)2*6H2O + 2 NaHCO3 = Cu(HCO3)2 + 2 NaNO3 + 6 H2O
Al(s) + H3PO4(aq) = H2(g) + AlPO4(aq) =>
2 Al(s) + 2 H3PO4(aq) = 3 H2(g) + 2 AlPO4(aq)
CH3Br + H2O = CH3OH + HBr =>
CH3Br + H2O = CH3OH + HBr
Zn + Cr(NO3)3 = Cr3 + Zn(NO3) =>
9 Zn + 3 Cr(NO3)3 = Cr3 + 9 Zn(NO3)
Zn2 + N2 = Zn3N2 =>
3 Zn2 + 2 N2 = 2 Zn3N2
Zn(OH)2 + KOH = K2Zn(OH)4 =>
Zn(OH)2 + 2 KOH = K2Zn(OH)4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
enxofre + ozônio = dióxidodeenxofre =>
3 S + 2 O3 = 3 SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NpO2{+} + H{+} = Np4{+} + NpO2{2+} + H2O =>
23 NpO2{+} + 16 H{+} = Np4{+} + 19 NpO2{2+} + 8 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Na2S2O3 + KClO3 + H2O = Na2S4O6 + Cl{-} + NaOH + K{+} =>
6 Na2S2O3 + KClO3 + 3 H2O = 3 Na2S4O6 + Cl{-} + 6 NaOH + K{+}
CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g)H2O =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g)H2O
Al + MgNO3 = Mg + Al3(NO3)2 =>
3 Al + 2 MgNO3 = 2 Mg + Al3(NO3)2
NH4NO3(aq) + NaOH(aq) = NaNO3 + NH4OH =>
NH4NO3(aq) + NaOH(aq) = NaNO3 + NH4OH
Ca + Al2S = Al + CaS =>
Ca + Al2S = 2 Al + CaS
Mg + Ni(OH)2 = Mg(OH)2 + Ni =>
Mg + Ni(OH)2 = Mg(OH)2 + Ni
MoO3 + WP2O7 + VPO5 = MoWV3P5O25 =>
MoO3 + WP2O7 + 3 VPO5 = MoWV3P5O25
AgCO3 + HCl(l) = AgCl2 + CO2 + H2O(l) =>
AgCO3 + 2 HCl(l) = AgCl2 + CO2 + H2O(l)
CaC2 + H2O + CO2 = Ca(OH)2 + CH2CHCO2H =>
6 CaC2 + 16 H2O + 3 CO2 = 6 Ca(OH)2 + 5 CH2CHCO2H
Cd2 + Po4 = Cd3(Po4)2 =>
3 Cd2 + 4 Po4 = 2 Cd3(Po4)2
SrSeO3 + Sr(OH)2 = (SrOH)2SeO3 =>
SrSeO3 + Sr(OH)2 = (SrOH)2SeO3
SnI2 + KC2H3O2 = Sn(C2H3O2)2 + KI =>
SnI2 + 2 KC2H3O2 = Sn(C2H3O2)2 + 2 KI
H2SO4(l) + NaCl(s) = HCl(g) + NaHSO4 =>
H2SO4(l) + NaCl(s) = HCl(g) + NaHSO4
{-} + H{+} + MnO4{-} = Mn{+2} + H2O =>
5e + 8 H{+} + MnO4{-} = Mn{+2} + 4 H2O
C4H8Cl2 + Mg = C4H8 + MgCl2 =>
C4H8Cl2 + Mg = C4H8 + MgCl2
Cr(OH)3 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 NaOH = 2 Na2CrO4 + 8 H2O
FeCl2 + Na3P = Fe3P2 + NaCl =>
3 FeCl2 + 2 Na3P = Fe3P2 + 6 NaCl
Ag2S + Cl2 = AgCl + S =>
Ag2S + Cl2 = 2 AgCl + S
HAc + NaOH = NaAc + H2O =>
HAc + NaOH = NaAc + H2O
CaO = Ca + O2 =>
2 CaO = 2 Ca + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MgO + HCl = H2O + MgCl2 =>
MgO + 2 HCl = H2O + MgCl2
Na2HAsO4*7H2O + CH3COOH + Na2S2O3 = Na(CH3COO) + As2S3 + Na2SO4 + H2O =>
4 Na2HAsO4*7H2O + 6 CH3COOH + 7 Na2S2O3 = 6 Na(CH3COO) + 2 As2S3 + 8 Na2SO4 + 33 H2O
H2CO2 + RbOH = H2O + Rb2CO2 =>
H2CO2 + 2 RbOH = 2 H2O + Rb2CO2
CHF3 + O2 = CO2 + HF + F2 =>
CHF3 + O2 = CO2 + HF + F2
KNO3(aq) + NH4Cl(aq) = NH4NO3(aq) + KCl(aq) =>
KNO3(aq) + NH4Cl(aq) = NH4NO3(aq) + KCl(aq)
Cr2O72{-} + FeSO4 + H{+} + H2SO4 = Cr2(SO4)3 + H2O + Fe2(SO4)3 =>
2 Cr2O72{-} + 274 FeSO4 + 2 H{+} + 143 H2SO4 = 2 Cr2(SO4)3 + 144 H2O + 137 Fe2(SO4)3
BaCl2 + NaHCO3 = BaCO3 + CO2 + H2O + NaCl =>
BaCl2 + 2 NaHCO3 = BaCO3 + CO2 + H2O + 2 NaCl
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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