| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Zn + 2 Ni(NO3)3 = 3 Zn(NO3)2 + 2 Ni
Cr + NaOH + H2O = H2 + NaCrO2 =>
2 Cr + 2 NaOH + 2 H2O = 3 H2 + 2 NaCrO2
Na + PbO2 = NaO2 + Pb =>
Na + PbO2 = NaO2 + Pb
KBr(aq) + BaI2(aq) = KI(aq) + BaBr2(s) =>
2 KBr(aq) + BaI2(aq) = 2 KI(aq) + BaBr2(s)
HOCH2CH2CH2COOH = H2O + CH3CCH2COOH =>
HOCH2CH2CH2COOH = H2O + CH3CCH2COOH
Sn + NaOH + H2O = Na2(Sn(OH)4) + H2 =>
Sn + 2 NaOH + 2 H2O = Na2(Sn(OH)4) + H2
Bi3(PO4)5 = P2O5 + Bi2O5 =>
2 Bi3(PO4)5 = 5 P2O5 + 3 Bi2O5
K2SO4(aq) + BaCl2(ag) = BaSO4(s) + KCl(aq) =>
K2SO4(aq) + BaCl2(ag) = BaSO4(s) + 2 KCl(aq)
Fe + AlCl3 = FeAl + Cl2 =>
2 Fe + 2 AlCl3 = 2 FeAl + 3 Cl2
Ba(NO3)2 + Cs2SO4 = BaSO4 + CsNO3 =>
Ba(NO3)2 + Cs2SO4 = BaSO4 + 2 CsNO3
Sn(OH)6 + Si = HSnO2 + SiO3 + H2O =>
2 Sn(OH)6 + Si = 2 HSnO2 + SiO3 + 5 H2O
C6H6COOH = C6H6 + COOH =>
C6H6COOH = C6H6 + COOH
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C4H9SO2 + O2 = CO2 + SO2 + H2O =>
4 C4H9SO2 + 25 O2 = 16 CO2 + 4 SO2 + 18 H2O
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
HCHO + H3PO3 + C4H13N3 = C9H28N3O15P5 + H2O =>
5 HCHO + 5 H3PO3 + C4H13N3 = C9H28N3O15P5 + 5 H2O
TiBr4(g) + H2 = Ti(s) + HBr(g) =>
TiBr4(g) + 2 H2 = Ti(s) + 4 HBr(g)
K2Cr2O7 + Zn + HCl = CrCl3 + ZnCl + KCl + H2O =>
K2Cr2O7 + 6 Zn + 14 HCl = 2 CrCl3 + 6 ZnCl + 2 KCl + 7 H2O
KOH + Cr2O3 + O2 = K2CrO4 + H2O =>
8 KOH + 2 Cr2O3 + 3 O2 = 4 K2CrO4 + 4 H2O
NO2 + O2 = N2O5 =>
4 NO2 + O2 = 2 N2O5
[Co(H2O)6]{2+} + NH4SCN = Co(SCN)2 + NH4{+} + H2O =>
[Co(H2O)6]{2+} + 2 NH4SCN = Co(SCN)2 + 2 NH4{+} + 6 H2O
Fe(OH)3 + Cl2 + NaOH = NaCl + H2O + Na2FeO4 =>
2 Fe(OH)3 + 3 Cl2 + 10 NaOH = 6 NaCl + 8 H2O + 2 Na2FeO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H5Cl + Br2 = C6H4ClBr + HBr =>
C6H5Cl + Br2 = C6H4ClBr + HBr
C2H2 + (Ca(OH)2) = H2O + (CaC2) =>
C2H2 + (Ca(OH)2) = 2 H2O + (CaC2)
IO3{-} + S2O3{-2)+OH{-} = I{-}+SO4{-2}+H2O =>
4 IO3{-} + 3 S2O3{-2)+6OH{-} = 4 I{-}+6SO4{-2}+3H2O
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
O2 + H2SO3 = SO4 + H =>
O2 + 2 H2SO3 = 2 SO4 + 4 H
K(s) + Li2SO4(aq) = K2SO4(aq) + Li(s) =>
2 K(s) + Li2SO4(aq) = K2SO4(aq) + 2 Li(s)
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + KCl =>
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + 3 KCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
K + I2 = KI =>
2 K + I2 = 2 KI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
Hg2 + HCl = Hg2Cl2 + H =>
Hg2 + 2 HCl = Hg2Cl2 + 2 H
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
NH4H2O = NH3H3O =>
NH4H2O = NH3H3O
C + H = C6H6 =>
6 C + 6 H = C6H6
HNO3 + MgO = H2O + Mg(NO3)2 =>
2 HNO3 + MgO = H2O + Mg(NO3)2
Na + HCI = H2 + NaCI =>
2 Na + 2 HCI = H2 + 2 NaCI
C9H12 + O2 = CO2 + H2O =>
C9H12 + 12 O2 = 9 CO2 + 6 H2O
MgCl2 + O2 = Mg(ClO3)2 =>
MgCl2 + 3 O2 = Mg(ClO3)2
K2O(s) + O2(g) = K2O2(s) =>
2 K2O(s) + O2(g) = 2 K2O2(s)
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
KH(IO3)2 + NaOH = KOH + NaIO3 + HIO3 =>
KH(IO3)2 + NaOH = KOH + NaIO3 + HIO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
ZnO(s) + H2O(l) = Zn(OH)2(aq) =>
ZnO(s) + H2O(l) = Zn(OH)2(aq)
P2S5 + HNO3 + H2O = H2SO4 + H3PO1 + NO =>
3 P2S5 + 28 HNO3 + 10 H2O = 15 H2SO4 + 6 H3PO1 + 28 NO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/15/24
Équations équilibrées sur01/14/24
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