| Équations équilibrées la veille | Équations équilibrées le lendemain |
PbSO4 + 2 AgNO3 = Pb(NO3)2 + Ag2SO4
Fe(NO3)3 + NH3 + H2O = Fe(OH) + (NH4)NO3 =>
4 Fe(NO3)3 + 14 NH3 + 7 H2O = 4 Fe(OH) + 13(NH4)NO3
Hg{2+} + S{-2} = HgS =>
Hg{2+} + S{-2} = HgS
K2SO4 + NaCl = KCl + Na2SO4 =>
K2SO4 + 2 NaCl = 2 KCl + Na2SO4
Fe2O3 + FeCO3 = FeO + CO3 =>
Fe2O3 + FeCO3 = 3 FeO + CO3
Na2(Sn(OH)4) + Bi(NO3)3 + NaOH = Bi + NaNO3 + Na2(Sn(OH)6) =>
3 Na2(Sn(OH)4) + 2 Bi(NO3)3 + 6 NaOH = 2 Bi + 6 NaNO3 + 3 Na2(Sn(OH)6)
CH3ONa + H2O = CH3OH + Na + OH =>
CH3ONa + H2O = CH3OH + Na + OH
NaHCO3 + PO4 = H3PO4 + NaCO3 =>
3 NaHCO3 + PO4 = H3PO4 + 3 NaCO3
COCl2 + KNO2 + HCl = K3CO(NO2)6 + NO + KCl + H2O =>
COCl2 + 7 KNO2 + 2 HCl = K3CO(NO2)6 + NO + 4 KCl + H2O
Na2SO4 + H2SO4 = NaHSO4 =>
Na2SO4 + H2SO4 = 2 NaHSO4
ClO3{-} + SO2 + H2O = Cl{-} + SO42{-} + H{+} =>
79 ClO3{-} + 6 SO2 + 3 H2O = 79 Cl{-} + 6 SO42{-} + 6 H{+}
Na2S + Na2Cr2O7 + H2SO4 = Cr(SO4) + Na2SO4 + H2O =>
Na2S + Na2Cr2O7 + 3 H2SO4 = 2 Cr(SO4) + 2 Na2SO4 + 3 H2O
Ag + CO2 = Ag2C2O4 =>
2 Ag + 2 CO2 = Ag2C2O4
Cr2O7{-2} + C2O4{-2} + H2O = Cr{+3} + CO2 + OH{-} =>
Cr2O7{-2} + 3 C2O4{-2} + 7 H2O = 2 Cr{+3} + 6 CO2 + 14 OH{-}
Ba(NO3)2(aq) + (NH4)3PO4(aq) = Ba3(PO4)2(s) + NH4NO3(aq) =>
3 Ba(NO3)2(aq) + 2(NH4)3PO4(aq) = Ba3(PO4)2(s) + 6 NH4NO3(aq)
(AsO4)2 + Ni2(Sb2O7)3 = O7Sb2 + As2Ni3O8 =>
2(AsO4)2 + 3 Ni2(Sb2O7)3 = 9 O7Sb2 + 2 As2Ni3O8
Na2SO4 + H2SO4 = Na2H2 + SO4 =>
Na2SO4 + H2SO4 = Na2H2 + 2 SO4
MgCO3 + HCl = H2CO3 + MgCl2 =>
MgCO3 + 2 HCl = H2CO3 + MgCl2
K3[Ag(S2O3)2] + NaBr = AgBr + Na2S2O3 + KBr =>
K3[Ag(S2O3)2] + 4 NaBr = AgBr + 2 Na2S2O3 + 3 KBr
LiNO2 + NH4NO3 = NH4NO2 + LiNO3 =>
LiNO2 + NH4NO3 = NH4NO2 + LiNO3
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
NH2(g) + O2(g) = N2(g) + H2O(g) =>
2 NH2(g) + O2(g) = N2(g) + 2 H2O(g)
P2I4 + P4 + H2O = H3PO4 + PH4I =>
10 P2I4 + 13 P4 + 128 H2O = 32 H3PO4 + 40 PH4I
Mg(NO3)2*6H2O = MgO + NO2 + O2 + H2O =>
2 Mg(NO3)2*6H2O = 2 MgO + 4 NO2 + O2 + 12 H2O
C4H8O + Cu(OH)2 = C4H8O2 + Cu2O + H2O =>
C4H8O + 2 Cu(OH)2 = C4H8O2 + Cu2O + 2 H2O
CuOKOH = CuOHKO =>
CuOKOH = CuOHKO
K2(CO3) + Zn(NO3)2 = K(NO3) + Zn(CO3) =>
K2(CO3) + Zn(NO3)2 = 2 K(NO3) + Zn(CO3)
Ca(C2H3O2)2(aq) + KCl(aq) = CaCl2(s) + KC2H3O2(aq) =>
Ca(C2H3O2)2(aq) + 2 KCl(aq) = CaCl2(s) + 2 KC2H3O2(aq)
Fe3 + Cl = FeCl3 =>
Fe3 + 9 Cl = 3 FeCl3
CuSO4 + KI = CuI + I2 + K2SO4 =>
2 CuSO4 + 4 KI = 2 CuI + I2 + 2 K2SO4
ClO2{-} + Cu{2} + H2O = ClO4{-} + Cu{+} + H{+} =>
ClO2{-} + 4 Cu{2} + 2 H2O = ClO4{-} + 4 Cu{+} + 4 H{+}
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
MgF + O = MgO + F =>
MgF + O = MgO + F
Pb(NO3)4 + Mg = Pb + Mg(NO3)2 =>
Pb(NO3)4 + 2 Mg = Pb + 2 Mg(NO3)2
B + As = BAs =>
B + As = BAs
KBr + Ce2 = KCe + Br =>
2 KBr + Ce2 = 2 KCe + 2 Br
KI + NH4Cl = KCl + INH4 =>
KI + NH4Cl = KCl + INH4
Li2CO3 = Li2O + CO2 =>
Li2CO3 = Li2O + CO2
CH3CH2Br + NaOH = CH3CH2OH + NaBr =>
CH3CH2Br + NaOH = CH3CH2OH + NaBr
Ga(OH)3 + ZnBr2 = GaBr3 + Zn(OH)2 =>
2 Ga(OH)3 + 3 ZnBr2 = 2 GaBr3 + 3 Zn(OH)2
CaOCl2 + H2SO4 = CaSO4 + H2OCl2 =>
CaOCl2 + H2SO4 = CaSO4 + H2OCl2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
K2(CO3) + Zn(NO3)2 = K(NO3) + Zn(CO3) =>
K2(CO3) + Zn(NO3)2 = 2 K(NO3) + Zn(CO3)
HCl + MnBr4 = MnCl4 + HBr =>
4 HCl + MnBr4 = MnCl4 + 4 HBr
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
K(s) + Mg3(PO4)2(aq) = K3PO4(aq) + Mg(s) =>
6 K(s) + Mg3(PO4)2(aq) = 2 K3PO4(aq) + 3 Mg(s)
OH{-} + AlF3 + N(CH3)4OH = (N(CH3)4) + (Al(OH)4){-} + F2 =>
2 OH{-} + 2 AlF3 + 6 N(CH3)4OH = 6(N(CH3)4) + 2(Al(OH)4){-} + 3 F2
K2Cr2O7 + H2O + Na2SO3 = Cr(OH)3 + Na2SO4 + KOH =>
K2Cr2O7 + 4 H2O + 3 Na2SO3 = 2 Cr(OH)3 + 3 Na2SO4 + 2 KOH
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/16/24
Équations équilibrées sur12/16/23
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