| Équations équilibrées la veille |
2 CuPO4 + 3 Fe = Fe3(PO4)2 + 2 Cu
AgNO3(aq) + Na2SO4(aq) = Ag2SO4(s) + NO3Na(aq) =>
2 AgNO3(aq) + Na2SO4(aq) = Ag2SO4(s) + 2 NO3Na(aq)
SNCl4 + NH2 = SNCl2 + HCl + N2 =>
2 SNCl4 + 2 NH2 = 2 SNCl2 + 4 HCl + N2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NaOH + CH3CO2H = C2H3NaO2 + H2O =>
NaOH + CH3CO2H = C2H3NaO2 + H2O
Fe{+3} + C6H8O7 + e = Fe2C + H2O + CO =>
6 Fe{+3} + C6H8O7 + 18e = 3 Fe2C + 4 H2O + 3 CO
FeCl3 + Na2S + H2O = (Fe(OH)2)2S + NaCl + H2S =>
2 FeCl3 + 3 Na2S + 4 H2O = (Fe(OH)2)2S + 6 NaCl + 2 H2S
CaC2 + Fe2O3 = Fe + CaO + C =>
3 CaC2 + Fe2O3 = 2 Fe + 3 CaO + 6 C
PbO + O2(s) = Pb3O4(s) =>
6 PbO + O2(s) = 2 Pb3O4(s)
Fe + (Sr(NO3)2) = Fe(Sr(NO3)2)2 =>
Fe + 2(Sr(NO3)2) = Fe(Sr(NO3)2)2
HCl + Au = Au2Cl3 + H =>
3 HCl + 2 Au = Au2Cl3 + 3 H
KMnO4 + NaHSO4 + FeSO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O + Na2SO4 =>
2 KMnO4 + 16 NaHSO4 + 10 FeSO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O + 8 Na2SO4
SrO + Bi2O3 + MnO + ReO2 + O2 = SrBiMnReO6 =>
4 SrO + 2 Bi2O3 + 4 MnO + 4 ReO2 + O2 = 4 SrBiMnReO6
KClO3 + H2SO4 = O2 + KHSO4 + ClO2 + H2O =>
4 KClO3 + 4 H2SO4 = O2 + 4 KHSO4 + 4 ClO2 + 2 H2O
Sr(NO3)2 + La(NO3)3 + Mn(NO3)2 + KOH = La85Sr15Mn100O300 + KNO3 + NO2 + H2O =>
15 Sr(NO3)2 + 85 La(NO3)3 + 100 Mn(NO3)2 + 370 KOH = La85Sr15Mn100O300 + 370 KNO3 + 115 NO2 + 185 H2O
H2O2 + I = H2O + IO2 =>
2 H2O2 + I = 2 H2O + IO2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Na3PO4 + AgNO3 = Ag3PO4 + NaNO3 =>
Na3PO4 + 3 AgNO3 = Ag3PO4 + 3 NaNO3
S + Mn = SMn2 =>
S + 2 Mn = SMn2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K(s) + N2(g) = K3N(s) =>
6 K(s) + N2(g) = 2 K3N(s)
H2SO4 + NaNO2 = H2NO2 + Na2 + SO4 =>
2 H2SO4 + 2 NaNO2 = 2 H2NO2 + Na2 + 2 SO4
NaIO3(s) = Na + I + O2 =>
2 NaIO3(s) = 2 Na + 2 I + 3 O2
LiCl + H2SO4 = LiSO3 + H2O + Cl =>
LiCl + H2SO4 = LiSO3 + H2O + Cl
P205 + ClO3 = PCl5 + O2 =>
2 P205 + 2050 ClO3 = 410 PCl5 + 3075 O2
S8 + H2 + NOCl = N2S2O2 + HCl =>
S8 + 4 H2 + 8 NOCl = 4 N2S2O2 + 8 HCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Zn(OH)2 + HNO2 = Zn(NO3)2 + H2 =>
Zn(OH)2 + 2 HNO2 = Zn(NO3)2 + 2 H2
Cl2 + NaBr = Br2Cl + Na =>
Cl2 + 4 NaBr = 2 Br2Cl + 4 Na
Bi(NO3)3*5H2O + Ba(NO3)2 + Fe(NO3)3*9H2O + CH3COOH = BiBaFeO3 + CO2 + H2O + N2 =>
4 Bi(NO3)3*5H2O + 4 Ba(NO3)2 + 4 Fe(NO3)3*9H2O + 21 CH3COOH = 4 BiBaFeO3 + 42 CO2 + 98 H2O + 16 N2
Fe(HPo4)3 + NaOH = Fe(OH)3 + Na(HPo4) =>
Fe(HPo4)3 + 3 NaOH = Fe(OH)3 + 3 Na(HPo4)
Fe2O3 + NaOH = Fe(OH)3 + Na + O =>
Fe2O3 + 6 NaOH = 2 Fe(OH)3 + 6 Na + 3 O
H2SO4 + CO2 = H2O + SO4 + C =>
2 H2SO4 + CO2 = 2 H2O + 2 SO4 + C
Fe(s) + MgCl2(aq) = Mg(s) + FeCl3(aq) =>
2 Fe(s) + 3 MgCl2(aq) = 3 Mg(s) + 2 FeCl3(aq)
HCN + HF = H2CN + F2 =>
2 HCN + 2 HF = 2 H2CN + F2
(P2O3)2 = P2 + O2 =>
(P2O3)2 = 2 P2 + 3 O2
AgI + Na2S = AgNa2 + IS =>
AgI + Na2S = AgNa2 + IS
H3BO3 + Zr(OH)4 = Zr3(BO3)4 + H2O =>
4 H3BO3 + 3 Zr(OH)4 = Zr3(BO3)4 + 12 H2O
F2 + NaOH = NaF + O2 + H2O =>
2 F2 + 4 NaOH = 4 NaF + O2 + 2 H2O
(CaSO4)2H2O + H2O = (CaSO4H2O) =>
(CaSO4)2H2O + H2O = 2(CaSO4H2O)
Sn2(CO3)4 + Na3N = Sn3N4 + Na2CO3 =>
3 Sn2(CO3)4 + 8 Na3N = 2 Sn3N4 + 12 Na2CO3
Ni(NO3)2 + NH4SCN = NiSCN + NH4(NO3)2 =>
Ni(NO3)2 + NH4SCN = NiSCN + NH4(NO3)2
Sb2S3 + NaOH + HNO3 = Na3SbO4 + Na2SO4 + NH4NO3 + H2O =>
2 Sb2S3 + 24 NaOH + 14 HNO3 = 4 Na3SbO4 + 6 Na2SO4 + 7 NH4NO3 + 5 H2O
Cu4O5 + HCl = CuCl2 + H2O + O2 =>
2 Cu4O5 + 16 HCl = 8 CuCl2 + 8 H2O + O2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Fe(OH)3 + H2S = Fe2S3 + H2O =>
2 Fe(OH)3 + 3 H2S = Fe2S3 + 6 H2O
Fe2(SO4)3 + NaBr = Fe2Na + Br(SO4)3 =>
Fe2(SO4)3 + NaBr = Fe2Na + Br(SO4)3
AgNo3 = Ag5 + No3 =>
5 AgNo3 = Ag5 + 5 No3
Al + NaClO4 = Al2O3 + NaCl =>
8 Al + 3 NaClO4 = 4 Al2O3 + 3 NaCl
H2O + S = H2 + SO2 =>
2 H2O + S = 2 H2 + SO2
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