| Équations équilibrées la veille | Équations équilibrées le lendemain |
PbO + C6H8O7 = PbC6H6O7 + H2O
Nb + WO3 = Nb2O5 + W =>
6 Nb + 5 WO3 = 3 Nb2O5 + 5 W
CrO3 + NH3 = N2 + H2O + Cr2O3 =>
2 CrO3 + 2 NH3 = N2 + 3 H2O + Cr2O3
C3H6O6 + H2O2 = CO2 + H2O =>
C3H6O6 + 3 H2O2 = 3 CO2 + 6 H2O
Pt(s) + HBr(aq) = Br2Pt(aq) + H2(g) =>
Pt(s) + 2 HBr(aq) = Br2Pt(aq) + H2(g)
Cu2O + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH3 + O2 + 4 H2O = 4[Cu(NH3)4](OH)2
Na(s) + H2O(ac) = NaOH(ac) + H2(g) =>
2 Na(s) + 2 H2O(ac) = 2 NaOH(ac) + H2(g)
Zn(s) + HSO4 = H2(g) + Zn2SO4(aq) =>
4 Zn(s) + 2 HSO4 = H2(g) + 2 Zn2SO4(aq)
I + Cl + H2O = IO + HCl =>
I + 2 Cl + H2O = IO + 2 HCl
H2 + Ti = TiH =>
H2 + 2 Ti = 2 TiH
H2AsO4 + Zn + HNO3 = AsH3 + Zn(NO3)2 + H2O =>
2 H2AsO4 + 9 Zn + 18 HNO3 = 2 AsH3 + 9 Zn(NO3)2 + 8 H2O
BaCrO4 + H2SO4 = BaSO4 + H2CrO4 =>
BaCrO4 + H2SO4 = BaSO4 + H2CrO4
Fe(SCN)3 + K2S2O8 + H2O = CO + N2 + Fe2(SO4)3 + K2SO4 + H2SO4 =>
2 Fe(SCN)3 + 27 K2S2O8 + 30 H2O = 6 CO + 3 N2 + Fe2(SO4)3 + 27 K2SO4 + 30 H2SO4
CrBr3 = Cr + Br =>
CrBr3 = Cr + 3 Br
C7H6O2 + CH3OH = C6H5COOCH3 + H2O =>
C7H6O2 + CH3OH = C6H5COOCH3 + H2O
Na2SO3 + H3PO4 = NaH2PO4 + H2O + SO2 =>
Na2SO3 + 2 H3PO4 = 2 NaH2PO4 + H2O + SO2
HNO3 + H2S = S + H2O2 + NO =>
2 HNO3 + H2S = S + 2 H2O2 + 2 NO
NaCl + K2SO4 = Na2SO4 + KCl =>
2 NaCl + K2SO4 = Na2SO4 + 2 KCl
HCOOH + Ca = HCOOCa + H2 =>
2 HCOOH + 2 Ca = 2 HCOOCa + H2
K4[Fe(CN)6] + FeSO4 = Fe4[Fe(CN)6]3 + K2Fe2[Fe(CN)6] + K2SO4 =>
5 K4[Fe(CN)6] + 8 FeSO4 = Fe4[Fe(CN)6]3 + 2 K2Fe2[Fe(CN)6] + 8 K2SO4
Na2SO3 + KMnO4 + H2SO4 = KHSO4 + NaHSO4 + MnSO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 9 H2SO4 = 2 KHSO4 + 10 NaHSO4 + 2 MnSO4 + 3 H2O
CH3COOH(aq) + Sr(OH)2(s) = H2O(l) + Sr(CH3COO)2(aq) =>
2 CH3COOH(aq) + Sr(OH)2(s) = 2 H2O(l) + Sr(CH3COO)2(aq)
CH3MgI + H2O = HI + CH3MgOH =>
CH3MgI + H2O = HI + CH3MgOH
Fe2O2 + C = Fe + CO2 =>
Fe2O2 + C = 2 Fe + CO2
CrCl3 + Al = CrCl2 + AlCl2 =>
2 CrCl3 + Al = 2 CrCl2 + AlCl2
K2O4 + CO2 = K2C2 + O2 =>
K2O4 + 2 CO2 = K2C2 + 4 O2
SO2(l) + O2(g) + H2O(l) = H2SO4(aq) =>
2 SO2(l) + O2(g) + 2 H2O(l) = 2 H2SO4(aq)
HCl2 + KI = KCl2 + HI =>
HCl2 + KI = KCl2 + HI
BiCl3 + Br2 + KOH = KBiO3 + KBr + KCl + H2O =>
BiCl3 + Br2 + 6 KOH = KBiO3 + 2 KBr + 3 KCl + 3 H2O
Fe + H2SO4 = Fe(SO4)3 + H2S + H2O =>
4 Fe + 15 H2SO4 = 4 Fe(SO4)3 + 3 H2S + 12 H2O
BaO + H2O = BaOH2O =>
BaO + H2O = BaOH2O
Pt4 + O2 = PtO4 =>
Pt4 + 8 O2 = 4 PtO4
Fe(OH)3 + OCl{-} = FeO42{-} + Cl{-} + H2O + H{+} =>
Fe(OH)3 + 40 OCl{-} = FeO42{-} + 40 Cl{-} + H2O + H{+}
HCI + Pb(NO3)2 = H(NO3)2 + PbCI =>
HCI + Pb(NO3)2 = H(NO3)2 + PbCI
CH3CH2CHO + CuO = CH3CH2COOH + Cu =>
CH3CH2CHO + CuO = CH3CH2COOH + Cu
K + CrBr = Cr + KBr =>
K + CrBr = Cr + KBr
NaSO3 + Cl2 + H2O = NaHSO4 + HCl =>
2 NaSO3 + Cl2 + 2 H2O = 2 NaHSO4 + 2 HCl
BCl3 + H2O = H3BO3 + HCl =>
BCl3 + 3 H2O = H3BO3 + 3 HCl
BaSO4 + NaCl = BaCl2 + Na2SO4 =>
BaSO4 + 2 NaCl = BaCl2 + Na2SO4
Al(OH)2Cl + KOH = KCl + Al(OH)3 =>
Al(OH)2Cl + KOH = KCl + Al(OH)3
Na2Cr2O7 + Na2SO3 + H2O = Na2SO4 + NaOH + Cr(OH)3 =>
Na2Cr2O7 + 3 Na2SO3 + 4 H2O = 3 Na2SO4 + 2 NaOH + 2 Cr(OH)3
KC2 + O2 = KO + CO2 =>
2 KC2 + 5 O2 = 2 KO + 4 CO2
Au + Br = AuBr3 =>
Au + 3 Br = AuBr3
K(s) + P(s) = K3P(s) =>
3 K(s) + P(s) = K3P(s)
C + K2Cr2O7 = Cr2O3 + K2CO3 + CO2 =>
3 C + 2 K2Cr2O7 = 2 Cr2O3 + 2 K2CO3 + CO2
FeCl3 + K4[Fe(Cn)6] = Fe4[Fe(Cn)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(Cn)6] = Fe4[Fe(Cn)6]3 + 12 KCl
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C3H5O(COO)3 =>
3 NaHCO3 + C6H8O7 = 3 CO2 + 3 H2O + Na3C3H5O(COO)3
Cu2NO3 + NaOH = NaNO3 + Cu + (OH)2 =>
2 Cu2NO3 + 2 NaOH = 2 NaNO3 + 4 Cu + (OH)2
C4H10(s) + O2(g) = CO2 + H2O =>
2 C4H10(s) + 13 O2(g) = 8 CO2 + 10 H2O
CuCO3 + NH4OH = Cu(NH3)4CO3 + H2O =>
CuCO3 + 4 NH4OH = Cu(NH3)4CO3 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/20/24
Équations équilibrées sur12/20/23
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