| Équations équilibrées la veille |
KOH + HBr = KBr + H2O
ZrO(NO3)2 + CO(NH2)2 = ZrO2 + N2 + CO2 + H2O =>
3 ZrO(NO3)2 + 5 CO(NH2)2 = 3 ZrO2 + 8 N2 + 5 CO2 + 10 H2O
C2H6 + Na2 = C2H5Na + HNa =>
C2H6 + Na2 = C2H5Na + HNa
Al3 + Cl2 = AlCl3 =>
2 Al3 + 9 Cl2 = 6 AlCl3
H2 + FeO3 = Fe + H2O =>
3 H2 + FeO3 = Fe + 3 H2O
C2H4(g) + O2(g) = CO2H2 =>
C2H4(g) + 2 O2(g) = 2 CO2H2
Cr{3+} + ClO3{-} + OH{-} = Cr2O7{2-} + ClO2 + H2O =>
2 Cr{3+} + 6 ClO3{-} + 2 OH{-} = Cr2O7{2-} + 6 ClO2 + H2O
MgCl2 = Mg2 + Cl =>
2 MgCl2 = Mg2 + 4 Cl
SO2 + CuSO4* + NaCl + H2O = CuCl + Na2SO4 + H2SO4 =>
SO2 + 2 CuSO4* + 2 NaCl + 2 H2O = 2 CuCl + Na2SO4 + 2 H2SO4
Mn + O2 = Mn3O4 =>
3 Mn + 2 O2 = Mn3O4
H2NCH2CH3COOH + HBr = (H2NCH2CH2COO)Br + H2 =>
2 H2NCH2CH3COOH + 2 HBr = 2(H2NCH2CH2COO)Br + 3 H2
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
H2S + BaCl2 = Ba2S2 + HCl =>
2 H2S + 2 BaCl2 = Ba2S2 + 4 HCl
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Sr(BrO3)2 = SrBr2 + O2 =>
Sr(BrO3)2 = SrBr2 + 3 O2
Cu(s) + Ag(NO3) = Ag(s) + Cu(NO3)2 =>
Cu(s) + 2 Ag(NO3) = 2 Ag(s) + Cu(NO3)2
CuCl2 + Na3PO4 = (Cu3PO4)2 + NaCl2 =>
6 CuCl2 + 2 Na3PO4 = (Cu3PO4)2 + 6 NaCl2
CuSO4 + ZnS = CuS + ZnSO4 =>
CuSO4 + ZnS = CuS + ZnSO4
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
C5H11N + H2SO4 = C5H10NH3SO4 =>
C5H11N + H2SO4 = C5H10NH3SO4
F2 + HCl = ClF + H2 =>
F2 + 2 HCl = 2 ClF + H2
Ba + MgSO4 = Mg + BaSO4 =>
Ba + MgSO4 = Mg + BaSO4
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
K2SO4 + CaCl2 = CaSO4 + K2Cl2 =>
K2SO4 + CaCl2 = CaSO4 + K2Cl2
AlNO3 + BaOH2 = AlOH2 + BaNO3 =>
AlNO3 + BaOH2 = AlOH2 + BaNO3
H2S + AgCl = Ag2S + HCl =>
H2S + 2 AgCl = Ag2S + 2 HCl
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Cu3(AsO4)2 + HCN = Cu(CN)2 + H3AsO4 =>
Cu3(AsO4)2 + 6 HCN = 3 Cu(CN)2 + 2 H3AsO4
MnO2 + K2SO4 = K2MnO4 + SO2 =>
MnO2 + K2SO4 = K2MnO4 + SO2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
CuFeS2 + O2 = SO2 + CuO + FeO =>
CuFeS2 + 3 O2 = 2 SO2 + CuO + FeO
PbS + HNO3 = Pb(NO3)4 + H2O + NO + S =>
3 PbS + 16 HNO3 = 3 Pb(NO3)4 + 8 H2O + 4 NO + 3 S
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NaHCO3 + (CH3HOO)H = Na(CH3HOO) + H2O + CO2 =>
NaHCO3 + (CH3HOO)H = Na(CH3HOO) + H2O + CO2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Mg(NO3)2 + K = Mg + KNO3 =>
Mg(NO3)2 + 2 K = Mg + 2 KNO3
LiOH + BaCl2 = LiCl + Ba(OH)2 =>
2 LiOH + BaCl2 = 2 LiCl + Ba(OH)2
NaHCO3(s) = NaOH(s)CO2(g) =>
NaHCO3(s) = NaOH(s)CO2(g)
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2SO4 + Cu(OH)2 = CuSO4 + H2O =>
H2SO4 + Cu(OH)2 = CuSO4 + 2 H2O
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