| Équations équilibrées la veille | Équations équilibrées le lendemain |
MnSO4 + 2 NaOH + NaOCl = MnO2 + Na2SO4 + NaCl + H2O
SO3 + H2CO3 = H2SO4 + CO2 =>
SO3 + H2CO3 = H2SO4 + CO2
HfCl4 + ROH = Hf(OR)4 + HCl =>
HfCl4 + 4 ROH = Hf(OR)4 + 4 HCl
K2CrO4{+} + H2S{+} + H2SO4{-} = S + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4{+} + 3 H2S{+} + 5 H2SO4{-} = 3 S + Cr2(SO4)3 + 2 K2SO4 + 8 H2O
K2CO3(aq) + Na2SO4(aq) = K2SO4 + Na2CO3 =>
K2CO3(aq) + Na2SO4(aq) = K2SO4 + Na2CO3
(CH2CH2)O + O2 = HOCH2CO2H =>
(CH2CH2)O + O2 = HOCH2CO2H
CaSO4 + NaCl = CaCl2 + Na2SO4 =>
CaSO4 + 2 NaCl = CaCl2 + Na2SO4
Ca(s) + H2O(g) = CaO + H2(s) =>
Ca(s) + H2O(g) = CaO + H2(s)
Pb(NO3)2 + AgOH = Pb(OH)2 + AgNO3 =>
Pb(NO3)2 + 2 AgOH = Pb(OH)2 + 2 AgNO3
C21H22N2O2 + O2 = CO2 + H2O + NO2 =>
2 C21H22N2O2 + 55 O2 = 42 CO2 + 22 H2O + 4 NO2
Cl2(g) + CaBr(aq) = CaCl2(aq) + Br2(g) =>
2 Cl2(g) + 2 CaBr(aq) = 2 CaCl2(aq) + Br2(g)
H2SO4(aq) + TIO2(s) = TIOSO4 + H2O =>
H2SO4(aq) + TIO2(s) = TIOSO4 + H2O
CaSO4 + (NH4)HCO3 = CaCO3 + (NH4)2SO4 + CO2 + H2O =>
CaSO4 + 2(NH4)HCO3 = CaCO3 + (NH4)2SO4 + CO2 + H2O
N2H4 + H2O3 = HNO3 + H2O =>
2 N2H4 + 7 H2O3 = 4 HNO3 + 9 H2O
NaOH(s)SO2(g) = NaHSO3(s) =>
NaOH(s)SO2(g) = NaHSO3(s)
MgO2 + H2O = Mg + H2O2 =>
MgO2 + 2 H2O = Mg + 2 H2O2
AlH12Cl3O6 + H3PO4 + NaBF4 + C4H10O + NaOH = Al2BP + NaCl + H2O + F2 + CO2 =>
24 AlH12Cl3O6 + 12 H3PO4 + 12 NaBF4 + 5 C4H10O + 60 NaOH = 12 Al2BP + 72 NaCl + 217 H2O + 24 F2 + 20 CO2
NH4{+} + F{-} = NH3 + HF =>
NH4{+} + F{-} = NH3 + HF
C5H5O2 + O2 = CO2 + H2O =>
4 C5H5O2 + 21 O2 = 20 CO2 + 10 H2O
Y + Se = YSe =>
Y + Se = YSe
Sr(OH)2 + Na2SO4 = SrSO4 + NaOH =>
Sr(OH)2 + Na2SO4 = SrSO4 + 2 NaOH
Li2O + Mn2O7 = Li2Mn2O8 =>
Li2O + Mn2O7 = Li2Mn2O8
CuCl2 + ZnSO4 = CuSO4 + ZnCl2 =>
CuCl2 + ZnSO4 = CuSO4 + ZnCl2
CdSO4*8H2O + NaOH = CdOH + NaSO4 + H2O =>
CdSO4*8H2O + NaOH = CdOH + NaSO4 + 8 H2O
MnO4{-} + S2O3{2-} + H2O = Mn{2+} + SO4{-2} + OH{-} =>
8 MnO4{-} + 5 S2O3{2-} + 7 H2O = 8 Mn{2+} + 10 SO4{-2} + 14 OH{-}
CaNo3 + NaPo4 = CaPo4 + NaNo3 =>
CaNo3 + NaPo4 = CaPo4 + NaNo3
Al5 + Cl2 = AlCl3 =>
2 Al5 + 15 Cl2 = 10 AlCl3
Br2(l) + I(s) = IBr3(g) =>
3 Br2(l) + 2 I(s) = 2 IBr3(g)
ZrO(NO3)2*H2O = ZrO2 + NO2 + O2 + H2O =>
2 ZrO(NO3)2*H2O = 2 ZrO2 + 4 NO2 + O2 + 2 H2O
KClO3 + Na2S = KCl + Na2SO4 =>
4 KClO3 + 3 Na2S = 4 KCl + 3 Na2SO4
Mg(HCO3)2 + NaOH = Na + CO3 + Mg(OH)2 + H2O =>
Mg(HCO3)2 + 4 NaOH = 4 Na + 2 CO3 + Mg(OH)2 + 2 H2O
AIOH3 + H2SO4 = AISO4 + H2OH3 =>
AIOH3 + H2SO4 = AISO4 + H2OH3
NbBr5 + Nb + KBr = K4Nb6Br18 =>
14 NbBr5 + 16 Nb + 20 KBr = 5 K4Nb6Br18
NH3NO3(s) = N2(g) + O2(g) + H2O(g) =>
4 NH3NO3(s) = 4 N2(g) + 3 O2(g) + 6 H2O(g)
KBrO3 + KBr + HCl = Br2 + H2O + KCl =>
KBrO3 + 5 KBr + 6 HCl = 3 Br2 + 3 H2O + 6 KCl
Cu(s)Ag(NO3)(aq) = Ag(s)Cu(NO3)(aq) =>
Cu(s)Ag(NO3)(aq) = Ag(s)Cu(NO3)(aq)
Cr(OH)3 + H2O2 + NaOH = Na2Cr2O7 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 2 NaOH = Na2Cr2O7 + 7 H2O
ZnSH2SO4 = ZnSO4H2S =>
ZnSH2SO4 = ZnSO4H2S
P2 + O2 + Cl2 = POCl3 =>
P2 + O2 + 3 Cl2 = 2 POCl3
NH3 + Sr(OH)2 = H2O + Sr3N2 =>
2 NH3 + 3 Sr(OH)2 = 6 H2O + Sr3N2
SO2 + HMnO4 + H2O = MnSO3 + H2SO4 =>
7 SO2 + 2 HMnO4 + 4 H2O = 2 MnSO3 + 5 H2SO4
Mg + Ba(NO3)2 = MgO + BaO + NO2 =>
Mg + Ba(NO3)2 = MgO + BaO + 2 NO2
Al + Mn2(SO4)5 = Mn + Al2(SO4)3 =>
10 Al + 3 Mn2(SO4)5 = 6 Mn + 5 Al2(SO4)3
C6H12O2 + NaCO2 = C6H12ONa + H2O + CO2 =>
17 C6H12O2 + 16 NaCO2 = 16 C6H12ONa + 6 H2O + 22 CO2
CuCl2*2H2O + NaOH = CuO + NaCl + H2O =>
CuCl2*2H2O + 2 NaOH = CuO + 2 NaCl + 3 H2O
Al + Fe(ClO2)2 = Fe + Al(ClO2)3 =>
2 Al + 3 Fe(ClO2)2 = 3 Fe + 2 Al(ClO2)3
C7H8O7 + O2 = CO2 + H2O =>
2 C7H8O7 + 11 O2 = 14 CO2 + 8 H2O
H2C2 + MnO4{-} + H2O = C2H2(OH)2 + MnO2 + OH{-} =>
3 H2C2 + 2 MnO4{-} + 4 H2O = 3 C2H2(OH)2 + 2 MnO2 + 2 OH{-}
Br2(l) + CuI(aq) = CuBr(aq) + I2(s) =>
Br2(l) + 2 CuI(aq) = 2 CuBr(aq) + I2(s)
Mn3O + Al = Mn + Al2O3 =>
3 Mn3O + 2 Al = 9 Mn + Al2O3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/22/24
Équations équilibrées sur12/22/23
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