| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn + H2SO4 = H2 + ZnSO4
Hg(NO3)2 + KSCN = Hg(SCN)2 + ONOOK =>
Hg(NO3)2 + 2 KSCN = Hg(SCN)2 + 2 ONOOK
NH2OH + HgCl2 + OH{-} = Hg + N2O + Cl{-} + H2O =>
2 NH2OH + 2 HgCl2 + 4 OH{-} = 2 Hg + N2O + 4 Cl{-} + 5 H2O
ZnCl2 + Na2CrO4 = ZnCrO4 + Na2Cl2 =>
ZnCl2 + Na2CrO4 = ZnCrO4 + Na2Cl2
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
I3{-} + Sn{2+} = I{-} + Sn{4+} =>
I3{-} + Sn{2+} = 3 I{-} + Sn{4+}
KNO3HCl = KClHNO3 =>
KNO3HCl = KClHNO3
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
NaNO{3} + HCl = NaHCl + NO{3}} =>
NaNO{3} + HCl = NaHCl + NO{3}}
KO2 = K2O2 + O2 =>
2 KO2 = K2O2 + O2
Pb2O4 + CO2 = Pb(CO3)2 =>
Pb2O4 + 4 CO2 = 2 Pb(CO3)2
ONH3 + O2 = N2 + H2O =>
4 ONH3 + O2 = 2 N2 + 6 H2O
OCl + (S2O3)2{-} + OH{-} = (SO4)2{-} + Cl{-} + H2O =>
19 OCl + 3(S2O3)2{-} + 22 OH{-} = 6(SO4)2{-} + 19 Cl{-} + 11 H2O
CH3CH2CHOHCH3 + CuO = CH3COCH3 + H2O + Cu =>
3 CH3CH2CHOHCH3 + 4 CuO = 4 CH3COCH3 + 3 H2O + 4 Cu
Fe + KI = Fe3I + K =>
3 Fe + KI = Fe3I + K
MgOH = H2OMg2O =>
2 MgOH = H2OMg2O
Potassium + water = hydrogen + potassiumhydroxide =>
2 K + 2 H2O = H2 + 2 KOH
RuS2 + O2 = RuO3 + SO2 =>
2 RuS2 + 7 O2 = 2 RuO3 + 4 SO2
CuCl2HCl = CuClHCl2 =>
CuCl2HCl = CuClHCl2
MgSO4 + SiO2 = MgSiO3 + SO3 =>
MgSO4 + SiO2 = MgSiO3 + SO3
Na2SO3 + H2SO4 = Na2SO4 + H2S =>
4 Na2SO3 + H2SO4 = 4 Na2SO4 + H2S
PbSO4{2} + K = KSO4 + Pb{2} =>
PbSO4{2} + K = KSO4 + Pb{2}
MgBr + K = KBr + Mg =>
MgBr + K = KBr + Mg
NH4Cl + Cu = CuCl + NH4 =>
NH4Cl + Cu = CuCl + NH4
(NH4)2CO3 + H2O = H2CO3 + NH4OH =>
(NH4)2CO3 + 2 H2O = H2CO3 + 2 NH4OH
FeCl2 + O2 = Fe2O3 + ClO3 =>
4 FeCl2 + 15 O2 = 2 Fe2O3 + 8 ClO3
KCr(SO4)2 + NaOH = NaCr(SO4)2 + KOH =>
KCr(SO4)2 + NaOH = NaCr(SO4)2 + KOH
Br + HOCl = HOBr + Cl =>
Br + HOCl = HOBr + Cl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CH3COOH + HCl = CH3COOH2 + Cl =>
CH3COOH + HCl = CH3COOH2 + Cl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cr(OH)3 + H3 = Cr3 + H2O =>
3 Cr(OH)3 + 3 H3 = Cr3 + 9 H2O
CH3COCH3NaHSO3 = C3H7NaO4S =>
CH3COCH3NaHSO3 = C3H7NaO4S
K2CO3 + SO2 + H2O = CO2 + KHSO3 =>
K2CO3 + 2 SO2 + H2O = CO2 + 2 KHSO3
N2H6SO4 + CuSO4 = N2 + Cu + H2SO4 =>
N2H6SO4 + 2 CuSO4 = N2 + 2 Cu + 3 H2SO4
KI + I2 = KI3 =>
KI + I2 = KI3
Na3PO4 + FeBr2 = Fe3(PO4)2 + NaBr =>
2 Na3PO4 + 3 FeBr2 = Fe3(PO4)2 + 6 NaBr
I2 + OH{-} = I{-} + IO3{-}1 + H2O =>
3 I2 + 6 OH{-} = 5 I{-} + IO3{-}1 + 3 H2O
Na(s) + KNO3(s) = K2O(s) + Na2O(s) + N2(g) =>
10 Na(s) + 2 KNO3(s) = K2O(s) + 5 Na2O(s) + N2(g)
Cu(NH3)4 + Na2S = CuS + NaNH3 + NH3 =>
Cu(NH3)4 + Na2S = CuS + 2 NaNH3 + 2 NH3
S(s) + Fe2O3(s) = SO2(g) + Fe(s) =>
3 S(s) + 2 Fe2O3(s) = 3 SO2(g) + 4 Fe(s)
CsOH + H2C2O4 = Cs2C2O4 + H2O =>
2 CsOH + H2C2O4 = Cs2C2O4 + 2 H2O
C8H28 + O2 = CO2 + H2O =>
C8H28 + 15 O2 = 8 CO2 + 14 H2O
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
NaO + H2O = Na(OH)2(aq) =>
NaO + H2O = Na(OH)2(aq)
H2O + F2 = HF + O2 =>
2 H2O + 2 F2 = 4 HF + O2
MgSO4 + NH4OH = MgOH + NH4SO4 =>
MgSO4 + NH4OH = MgOH + NH4SO4
K2CrO4(aq) + HCl(aq) = CrCl3(aq) + Cl2(aq) + KCl(aq) + H2O(l) =>
2 K2CrO4(aq) + 16 HCl(aq) = 2 CrCl3(aq) + 3 Cl2(aq) + 4 KCl(aq) + 8 H2O(l)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/21/24
Équations équilibrées sur12/21/23
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