| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca + N = NCa
NaNO{3} + H{2}SO{4} = Na{2}SO{4} + HNO{3} =>
NaNO{3} + H{2}SO{4} = Na{2}SO{4} + HNO{3}
ZnCO3 + H = Zn + H2O + CO2 =>
ZnCO3 + 2 H = Zn + H2O + CO2
K3PO4 + MgCl2 = K3Mg + (PO4)Cl2 =>
K3PO4 + MgCl2 = K3Mg + (PO4)Cl2
Mg4 + Si7 = Mg12Si21 =>
3 Mg4 + 3 Si7 = Mg12Si21
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(s) + H2O =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(s) + 3 H2O
AsF + PCl5 = P3F5 + AsCl3 =>
5 AsF + 3 PCl5 = P3F5 + 5 AsCl3
K{+} + O2{-} = KO2 =>
K{+} + O2{-} = KO2
Br2 + Cl2 = BrCl =>
Br2 + Cl2 = 2 BrCl
NH3 + Mg(NO3)2 = Mg(OH)2 + H2O + N =>
10 NH3 + 3 Mg(NO3)2 = 3 Mg(OH)2 + 12 H2O + 16 N
H2O(aq) + K(s) = KOH(s) + H2(g) =>
2 H2O(aq) + 2 K(s) = 2 KOH(s) + H2(g)
FeCl3 + Na2SiO3 + H2O = Fe(OH)3 + H2SiO3 + NaCl =>
2 FeCl3 + 3 Na2SiO3 + 6 H2O = 2 Fe(OH)3 + 3 H2SiO3 + 6 NaCl
CuSO4 + C2H4O2 + NH3 = C4H12CuN2O4 + H2SO4 =>
CuSO4 + 2 C2H4O2 + 2 NH3 = C4H12CuN2O4 + H2SO4
Au3 + HCl + HNO3 = HAuCl4 + NO2 + H2O =>
Au3 + 12 HCl + 9 HNO3 = 3 HAuCl4 + 9 NO2 + 9 H2O
C10H8 + CrO3 + H2SO4 = C8H6O4 + Cr2(SO4)3 + H2O =>
4 C10H8 + 14 CrO3 + 21 H2SO4 = 5 C8H6O4 + 7 Cr2(SO4)3 + 22 H2O
(NH4)2(SO4) + BaCl2 = (NH4)Cl2 + Ba2(SO4) =>
(NH4)2(SO4) + 2 BaCl2 = 2(NH4)Cl2 + Ba2(SO4)
Fe(OH)3 + K2O = KOH + Fe2O3 =>
2 Fe(OH)3 + 3 K2O = 6 KOH + Fe2O3
K2CrO4 + Na2S2O3 + HCl = KCl + CrCl3 + NaCl + SO2 + H2O =>
4 K2CrO4 + 3 Na2S2O3 + 26 HCl = 8 KCl + 4 CrCl3 + 6 NaCl + 6 SO2 + 13 H2O
K2Cr2O7 + HI + HClO4 = Cr(ClO4)3 + I2 + KClO4 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 3 I2 + 2 KClO4 + 7 H2O
Ca3Al2Si3O12 + SiO2 = CaAl2Si2O8 + CaSiO3 =>
Ca3Al2Si3O12 + SiO2 = CaAl2Si2O8 + 2 CaSiO3
Ca1 + H2O = Ca3H6O3 =>
3 Ca1 + 3 H2O = Ca3H6O3
K3(PO4)(aq) + MgCl2(aq) = K3Cl2 + (PO4)Mg =>
K3(PO4)(aq) + MgCl2(aq) = K3Cl2 + (PO4)Mg
KMnO4 + SO2 = KMnO2 + SO3 =>
KMnO4 + 2 SO2 = KMnO2 + 2 SO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
K2S + HNO3 = K2NO3 + HS =>
K2S + HNO3 = K2NO3 + HS
MgO + Cl2 = MgCl + Cl2O =>
2 MgO + 3 Cl2 = 2 MgCl + 2 Cl2O
AgNO3 + HCI = AgCI + NO3H =>
AgNO3 + HCI = AgCI + NO3H
HNO3 + Fe = H2 + (FeNO3)3 =>
6 HNO3 + 6 Fe = 3 H2 + 2(FeNO3)3
Al2O3(g) + NaOH(l) + HF(f) = Na3AlF6 + H2O =>
Al2O3(g) + 6 NaOH(l) + 12 HF(f) = 2 Na3AlF6 + 9 H2O
Cu(NO3) + NH4CO3 = CuCO3 + NH4NO3 =>
Cu(NO3) + NH4CO3 = CuCO3 + NH4NO3
AgNO3 + LiBr = AgBr(s) + LiNO3 =>
AgNO3 + LiBr = AgBr(s) + LiNO3
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
Ca(C2H3O2)2 + Li2CO3 = Li(C2H3O2) + Ca2(CO3)2 =>
2 Ca(C2H3O2)2 + 2 Li2CO3 = 4 Li(C2H3O2) + Ca2(CO3)2
Ag(s) + H2O(l) = AgOH(aq) + H2(g) =>
2 Ag(s) + 2 H2O(l) = 2 AgOH(aq) + H2(g)
BiOHCl2 + H2O = Bi(OH)3 + HCl =>
BiOHCl2 + 2 H2O = Bi(OH)3 + 2 HCl
Fe3(SO4)3 + Ba(OH)2 = BaSO4 + Fe(OH)2 =>
Fe3(SO4)3 + 3 Ba(OH)2 = 3 BaSO4 + 3 Fe(OH)2
Al2[SO4]3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2[SO4]3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
NH4{+} + Br{-} = NH4Br =>
NH4{+} + Br{-} = NH4Br
CoCl2 + H2O2 + NaOH = CoO2 + NaCl + H2O =>
CoCl2 + H2O2 + 2 NaOH = CoO2 + 2 NaCl + 2 H2O
C2H5OH + H2O = CO2 + H{+} + e =>
C2H5OH + 3 H2O = 2 CO2 + 12 H{+} + 12e
C4H10 = C + H2 =>
C4H10 = 4 C + 5 H2
Mg(OH)2 + HBr(aq) = MgBr2(s) + H2O(g) =>
Mg(OH)2 + 2 HBr(aq) = MgBr2(s) + 2 H2O(g)
Zn + NH4OH = Zn(OH)2 + NH3 + H2 =>
Zn + 2 NH4OH = Zn(OH)2 + 2 NH3 + H2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NaCl + Ag(NO)3 = AgCl + Na(NO)3 =>
NaCl + Ag(NO)3 = AgCl + Na(NO)3
C10 + H16 + Cl2 = CHCl =>
8 C10 + 5 H16 + 40 Cl2 = 80 CHCl
C5H112 + O2 = CO2 + H2O =>
C5H112 + 33 O2 = 5 CO2 + 56 H2O
Zn(NO3)2 + H3PO4 + CO(NH2)2 = Zn2P2O7 + CO2 + H2O + N2 =>
6 Zn(NO3)2 + 6 H3PO4 + 10 CO(NH2)2 = 3 Zn2P2O7 + 10 CO2 + 29 H2O + 16 N2
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn =>
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn
NaHCO3 = Na + H2 + C + O2 =>
2 NaHCO3 = 2 Na + H2 + 2 C + 3 O2
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