| Équations équilibrées la veille |
Ca(H2Po4)2 + 2 NaOH = 2 NaH2Po4 + Ca(OH)2
PB(CH3COO)2 + HCl = PBCl2 + CH3COOH =>
PB(CH3COO)2 + 2 HCl = PBCl2 + 2 CH3COOH
Pb(CH3COO)2 + HCl = PbCl2 + H(CH3COO) =>
Pb(CH3COO)2 + 2 HCl = PbCl2 + 2 H(CH3COO)
HClO + NH3 = N(ClO)3 + H =>
3 HClO + NH3 = N(ClO)3 + 6 H
CuCl + FeCO = FeCl + CuCO =>
CuCl + FeCO = FeCl + CuCO
Sc(s) + HCl(aq) = ScCl(aq) + H2(g) =>
2 Sc(s) + 2 HCl(aq) = 2 ScCl(aq) + H2(g)
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Ca3(PO4)2 + Na(NO3) = Ca(NO3)2 + Na3PO4 =>
Ca3(PO4)2 + 6 Na(NO3) = 3 Ca(NO3)2 + 2 Na3PO4
CuO = Cu1 + O2 =>
2 CuO = 2 Cu1 + O2
As2O5 + H2O = As2O7H4 =>
As2O5 + 2 H2O = As2O7H4
HNO3 + As2S5 = H3AsO4 + H2SO4 + H2O + NO2 =>
40 HNO3 + As2S5 = 2 H3AsO4 + 5 H2SO4 + 12 H2O + 40 NO2
LiOH + N2O5 = LiNO3 + H2O =>
2 LiOH + N2O5 = 2 LiNO3 + H2O
Mg + (ClO3) = MgCl2 + O2 =>
Mg + 2(ClO3) = MgCl2 + 3 O2
NiSO4 + (NH4)S = (NH4)2SO4 + NiS2 =>
NiSO4 + 2(NH4)S = (NH4)2SO4 + NiS2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
CuO + FeS = CuS + FeO =>
CuO + FeS = CuS + FeO
KMnO3 = KMnO2 + O2 =>
2 KMnO3 = 2 KMnO2 + O2
MnO2(s) + HCl(at) = MnCl2(aw) + H2O + Cl2(g) =>
MnO2(s) + 4 HCl(at) = MnCl2(aw) + 2 H2O + Cl2(g)
CH3COOH + Ag2O = CH3COOOH + Ag =>
CH3COOH + Ag2O = CH3COOOH + 2 Ag
silveroxide = oxygen + silver =>
2 Ag2O = O2 + 4 Ag
Pb(CH3COO)2 + HCl = PbCl2 + CH3COOH =>
Pb(CH3COO)2 + 2 HCl = PbCl2 + 2 CH3COOH
PdBr2 + K2SeO4 = PdSeO4 + KBr =>
PdBr2 + K2SeO4 = PdSeO4 + 2 KBr
Ba(OH)2 + H2SO3 = H2O + Ba(SO3) =>
Ba(OH)2 + H2SO3 = 2 H2O + Ba(SO3)
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Na5P3O10 + H2O = NaOH + H3PO4 =>
Na5P3O10 + 7 H2O = 5 NaOH + 3 H3PO4
Ca(oh)2 + VCl3 = CaCl2 + V(oh)3 =>
9 Ca(oh)2 + 12 VCl3 = 18 CaCl2 + 4 V(oh)3
C7H14 + KMnO4 + H2SO4 = H2O + C7H12O2 + K2SO4 + MnSO4 =>
5 C7H14 + 6 KMnO4 + 9 H2SO4 = 14 H2O + 5 C7H12O2 + 3 K2SO4 + 6 MnSO4
As2O3 + C = As + CO =>
As2O3 + 3 C = 2 As + 3 CO
IN + O2 = INO =>
2 IN + O2 = 2 INO
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
Cr(OH)2 + CO2 = (CrOH)2CO3 + H2O =>
2 Cr(OH)2 + CO2 = (CrOH)2CO3 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnI2 + Na3PO4 = NaI + Mn3(PO4)2 =>
3 MnI2 + 2 Na3PO4 = 6 NaI + Mn3(PO4)2
Cr(OH)2 + CO2 = (CrOH)2CO3 + H2O =>
2 Cr(OH)2 + CO2 = (CrOH)2CO3 + H2O
NH3 + BaCl2 = Ba(NH3) + Cl2 =>
NH3 + BaCl2 = Ba(NH3) + Cl2
HC2H3O2(aq) + NaCO3(aq) = H2O(liquid) + CO2(g) + NaC2H3O2(aq) =>
9 HC2H3O2(aq) + 8 NaCO3(aq) = 6 H2O(liquid) + 10 CO2(g) + 8 NaC2H3O2(aq)
Mn(NO3)2 + Pb3O4 + HNO3 = Pb(MnO4)2 + Pb(NO3)2 + H2O =>
2 Mn(NO3)2 + 5 Pb3O4 + 24 HNO3 = Pb(MnO4)2 + 14 Pb(NO3)2 + 12 H2O
Cu(OH)2 + SO4 = CuSO4 + OH =>
Cu(OH)2 + SO4 = CuSO4 + 2 OH
CuO + Ag = Cu + AgO =>
CuO + Ag = Cu + AgO
Cu(NO3)2 + Na2SiF6 = CuSiF6 + Na2(NO3)2 =>
Cu(NO3)2 + Na2SiF6 = CuSiF6 + Na2(NO3)2
Na + HClO4 = NaClO4 + H2 =>
2 Na + 2 HClO4 = 2 NaClO4 + H2
ClO3 + KCl + H2SO4 = K2SO4 + Cl2 + H2O =>
2 ClO3 + 12 KCl + 6 H2SO4 = 6 K2SO4 + 7 Cl2 + 6 H2O
H2SO4 + C2H4O + K2Cr2O7 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
4 H2SO4 + 3 C2H4O + K2Cr2O7 = 3 CH3COOH + Cr2(SO4)3 + K2SO4 + 4 H2O
C6H4ClC2H5 + KMnO4 + H2SO4 = C6H4ClCOOH + MnSO4 + CO2 + H2O + K2SO4 =>
5 C6H4ClC2H5 + 12 KMnO4 + 18 H2SO4 = 5 C6H4ClCOOH + 12 MnSO4 + 5 CO2 + 28 H2O + 6 K2SO4
NaOH + H2O = NaO2H3 =>
NaOH + H2O = NaO2H3
Mg(s) + Br2(g) = MgBr2(s) =>
Mg(s) + Br2(g) = MgBr2(s)
KClO3 + HCl = KCl2 + Cl2 + H2O =>
2 KClO3 + 12 HCl = 2 KCl2 + 5 Cl2 + 6 H2O
(AlO3)2Ca3 + H2O = Ca(OH)2 + Al(OH)3 =>
(AlO3)2Ca3 + 6 H2O = 3 Ca(OH)2 + 2 Al(OH)3
C6H5COOH + C2H5OH = C6H5COOCH3 + H2O =>
2 C6H5COOH + C2H5OH = 2 C6H5COOCH3 + H2O
KNO2 + C = K2CO3 + CO + N2 =>
2 KNO2 + 2 C = K2CO3 + CO + N2
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