| Équations équilibrées la veille |
2 HCl(aq) + K2SO3(s) = H2O(l) + 2 KCl(aq) + SO2(g)
P4O8 = P2O4 =>
P4O8 = 2 P2O4
Cu{2+} + NaCN = Cu(CN)4{-2} + Na{+} =>
Cu{2+} + 4 NaCN = Cu(CN)4{-2} + 4 Na{+}
Ba(HCO3)2 + Ca3(PO4)2 = Ba(PO4)2 + Ca3(HCO3)2 =>
Ba(HCO3)2 + Ca3(PO4)2 = Ba(PO4)2 + Ca3(HCO3)2
NH4OH + CaCO3 = (NH4)2CO3 + Ca(OH)2 =>
2 NH4OH + CaCO3 = (NH4)2CO3 + Ca(OH)2
NaHCO3 + HAc = H2O + CO2 + NaAc =>
NaHCO3 + HAc = H2O + CO2 + NaAc
Pb(NO3)2(aq) + AlI3(aq) = PbI2(s) + Al(NO3)3 =>
3 Pb(NO3)2(aq) + 2 AlI3(aq) = 3 PbI2(s) + 2 Al(NO3)3
NaCN + HCl = HCN + NaCl =>
NaCN + HCl = HCN + NaCl
Cs(ClO3) = CsCl + O2 =>
2 Cs(ClO3) = 2 CsCl + 3 O2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na2Co3 + Mg + Cl = MgCo3 + NaCl =>
Na2Co3 + Mg + 2 Cl = MgCo3 + 2 NaCl
C7H6O3 + FeCl3 = Fe(C7H3O3) + HCl =>
C7H6O3 + FeCl3 = Fe(C7H3O3) + 3 HCl
Na2WO4*H2O + Na2SiO3*5H2O + HCl = SiW11O39 + NaCl + H2O + H2 =>
11 Na2WO4*H2O + Na2SiO3*5H2O + 24 HCl = SiW11O39 + 24 NaCl + 24 H2O + 4 H2
CH3CHO + Cr2O7{-2} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CHO + Cr2O7{-2} + 8 H{+} = 3 CH3COOH + 2 Cr{3+} + 4 H2O
Fe3 + KOH = Fe3O + K + H2 =>
2 Fe3 + 2 KOH = 2 Fe3O + 2 K + H2
H3PO4(aq) + Ca(OH)2(aq) = H3OH + Ca(PO4)2 =>
2 H3PO4(aq) + Ca(OH)2(aq) = 2 H3OH + Ca(PO4)2
Te2O5 + H2O = H2Te2O6 =>
Te2O5 + H2O = H2Te2O6
CH3COOH + FeCO3 = (CH3COO)2Fe + CO2 + H2O =>
2 CH3COOH + FeCO3 = (CH3COO)2Fe + CO2 + H2O
BaCl + NaSO4 = Ba(SO4)2 + Na2Cl =>
BaCl + 2 NaSO4 = Ba(SO4)2 + Na2Cl
HF + SO2 = H2O + SF4 =>
4 HF + SO2 = 2 H2O + SF4
HNO3 + CuFeS2 = Cu(NO3)2 + H2SO4 + NO + H2O + Fe(NO3)3 =>
32 HNO3 + 3 CuFeS2 = 3 Cu(NO3)2 + 6 H2SO4 + 17 NO + 10 H2O + 3 Fe(NO3)3
Ag + FeSO4 = Ag2(SO4)3 + Fe =>
2 Ag + 3 FeSO4 = Ag2(SO4)3 + 3 Fe
Ca3N2 + HNO3 = Ca(NO3)2 + NH4NO3 =>
Ca3N2 + 8 HNO3 = 3 Ca(NO3)2 + 2 NH4NO3
S8 + O = S82O2 =>
41 S8 + 8 O = 4 S82O2
H2S(g) + CuSO4(aq) = CuS(s) + H2SO4(aq) =>
H2S(g) + CuSO4(aq) = CuS(s) + H2SO4(aq)
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
HNo3 + Ca(OH)2 = Ca(No3)2 + H2O =>
2 HNo3 + Ca(OH)2 = Ca(No3)2 + 2 H2O
Fe(OH)2 + HCl = FeCl2 + H2O =>
Fe(OH)2 + 2 HCl = FeCl2 + 2 H2O
CON2H2 + COH2 = C2O2N2H4 =>
CON2H2 + COH2 = C2O2N2H4
Fe(OH)3KOH = K[Fe(OH)4] =>
Fe(OH)3KOH = K[Fe(OH)4]
Si + H2 + SiCl4 = SiHCl3 =>
Si + 2 H2 + 3 SiCl4 = 4 SiHCl3
K3PO4 + AgCl = Ag3PO4 + KCl =>
K3PO4 + 3 AgCl = Ag3PO4 + 3 KCl
CuO + P2O5 + H2O = Cu2(PO4)(OH) =>
4 CuO + P2O5 + H2O = 2 Cu2(PO4)(OH)
CaCO3 + Cl2 = CaCl2 + CO2 + ClO2 =>
4 CaCO3 + 5 Cl2 = 4 CaCl2 + 4 CO2 + 2 ClO2
Mn + H3PO4 = Mn3(PO4)2 + H2 =>
3 Mn + 2 H3PO4 = Mn3(PO4)2 + 3 H2
C6H8O7 + CuCO3 = (C6H5O7)Cu + H2O + CO2 =>
17 C6H8O7 + 18 CuCO3 = 18(C6H5O7)Cu + 23 H2O + 12 CO2
Zn(NH3)2 + Na2HPO4 = ZnHPO4 + Na(NH3) =>
Zn(NH3)2 + Na2HPO4 = ZnHPO4 + 2 Na(NH3)
Cr(III)(NO3)3 + K3PO4 = KNO3 + Cr(III)PO4 =>
Cr(III)(NO3)3 + K3PO4 = 3 KNO3 + Cr(III)PO4
Na2S2O3(s) + HCl(aq) = NaCl + SO2 + S + H2O =>
Na2S2O3(s) + 2 HCl(aq) = 2 NaCl + SO2 + S + H2O
CH2O2 + NH3 = NH4 + CHO2 =>
CH2O2 + NH3 = NH4 + CHO2
Br + H3O = H2O + HBr =>
Br + H3O = H2O + HBr
CuS + HNO3 = CuSO4 + NO + H2O =>
3 CuS + 8 HNO3 = 3 CuSO4 + 8 NO + 4 H2O
COCl2(g) + H2O(l) = HCl(aq) + CO2 =>
COCl2(g) + H2O(l) = 2 HCl(aq) + CO2
Ma + O = MaO =>
Ma + O = MaO
Cr{+2} + O2 = Cr{+5} + O{2-} =>
4 Cr{+2} + 3 O2 = 4 Cr{+5} + 6 O{2-}
Na2S + Cd(NO3)2 = Cd2S2 + Na(NO3) =>
2 Na2S + 2 Cd(NO3)2 = Cd2S2 + 4 Na(NO3)
TlOH + NaClO + H2O = Tl(OH)3 + NaCl =>
TlOH + NaClO + H2O = Tl(OH)3 + NaCl
Pb(OH)2 + NCl3 = PbCl2 + Pb(NO3)2 + N2 + H2O =>
18 Pb(OH)2 + 10 NCl3 = 15 PbCl2 + 3 Pb(NO3)2 + 2 N2 + 18 H2O
Cl2 + FeBr2 = FeBr3 + FeCl3 =>
3 Cl2 + 6 FeBr2 = 4 FeBr3 + 2 FeCl3
Fe + PbCl2 = FeCl2 + Pb =>
Fe + PbCl2 = FeCl2 + Pb
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