| Équations équilibrées la veille |
2 Ag2S(s) + O2(g) = 2 Ag2O(s) + 2 S(s)
[Zn(NH3)4]Cl2 + Na2S = ZnS + NH3 + NaCl =>
[Zn(NH3)4]Cl2 + Na2S = ZnS + 4 NH3 + 2 NaCl
MgSO3 + Na3PO4 = Mg3(PO4)2 + Na2SO3 =>
3 MgSO3 + 2 Na3PO4 = Mg3(PO4)2 + 3 Na2SO3
HCl + Mg = MgCl2 + H4 =>
4 HCl + 2 Mg = 2 MgCl2 + H4
NaCl + FrOH = NaOH + FrCl =>
NaCl + FrOH = NaOH + FrCl
AgOH + HCOH = Ag + H2O + CO2 =>
4 AgOH + HCOH = 4 Ag + 3 H2O + CO2
H2C2O4 + KMnO4 + HCl = CO2 + MnCl2 + KCl + H2O =>
5 H2C2O4 + 2 KMnO4 + 6 HCl = 10 CO2 + 2 MnCl2 + 2 KCl + 8 H2O
CO2(g) = CO(g) + O2(g) =>
2 CO2(g) = 2 CO(g) + O2(g)
Ag + I = AgI =>
Ag + I = AgI
Na + Mg(NO3)2 = Mg + NaNO3 =>
2 Na + Mg(NO3)2 = Mg + 2 NaNO3
Na2CO3 + HOH = Na2(OH)2 + H2CO3 =>
Na2CO3 + 2 HOH = Na2(OH)2 + H2CO3
Ca3(PO4)2(s) = Ca + PO4 =>
Ca3(PO4)2(s) = 3 Ca + 2 PO4
Al(NO3)3 + SrCO3 = Sr(NO3)2 + Al2(CO3)3 =>
2 Al(NO3)3 + 3 SrCO3 = 3 Sr(NO3)2 + Al2(CO3)3
FeCl3 + Na2S + H2O = Fe(OH)3 + H2S + NaCl =>
2 FeCl3 + 3 Na2S + 6 H2O = 2 Fe(OH)3 + 3 H2S + 6 NaCl
PbCO3 + CH3COOH = CO2 + H2O + (CH3COO)2Pb =>
PbCO3 + 2 CH3COOH = CO2 + H2O + (CH3COO)2Pb
H{+} + Cr2O7{-2} + C2H5OH = Cr{3+} + CO2 + H2O =>
16 H{+} + 2 Cr2O7{-2} + C2H5OH = 4 Cr{3+} + 2 CO2 + 11 H2O
LiCoO2 + H2 = CoO + H2O + Li =>
LiCoO2 + H2 = CoO + H2O + Li
NaBr + V(NO3)3 = Na(NO3) + VBr3 =>
3 NaBr + V(NO3)3 = 3 Na(NO3) + VBr3
AlCl3 + NaAl(OH)4 = Al(OH)3 + NaCl =>
AlCl3 + 3 NaAl(OH)4 = 4 Al(OH)3 + 3 NaCl
NaI + H2O + Br2 + HCI = IO3 + HBr + NaCI =>
2 NaI + 6 H2O + 7 Br2 + 2 HCI = 2 IO3 + 14 HBr + 2 NaCI
Ni + V = Ni894V106 =>
894 Ni + 106 V = Ni894V106
NH3(aq) + O2(aq) + CH4 = HCN + H2O =>
2 NH3(aq) + 3 O2(aq) + 2 CH4 = 2 HCN + 6 H2O
Na + Mg(NO3)2 = Na(NO3)2 + Mg =>
Na + Mg(NO3)2 = Na(NO3)2 + Mg
Sb2S3 + H2O2 + NaOH = Na3SbO4 + Na2SO4 + H2O =>
Sb2S3 + 14 H2O2 + 12 NaOH = 2 Na3SbO4 + 3 Na2SO4 + 20 H2O
Cd(s) + HCl = H2 + CdCl2 =>
Cd(s) + 2 HCl = H2 + CdCl2
C2H5OH + Cr2O7{-2} + H{+} = CH3CHO + Cr{+3} + H2O =>
3 C2H5OH + Cr2O7{-2} + 8 H{+} = 3 CH3CHO + 2 Cr{+3} + 7 H2O
Fe3O4 + HCl = FeCl + FeCl3 + H2O =>
2 Fe3O4 + 16 HCl = FeCl + 5 FeCl3 + 8 H2O
Ni + V = Ni882V118 =>
882 Ni + 118 V = Ni882V118
HNO3 + Na2SiO3 = Na2NO3 + HSiO3 =>
HNO3 + Na2SiO3 = Na2NO3 + HSiO3
NaNO3 + Al + NaOH + H2O = Na[Al(OH)4] + NH3 =>
3 NaNO3 + 8 Al + 5 NaOH + 18 H2O = 8 Na[Al(OH)4] + 3 NH3
NaBr + V(NO3)3 = NaNO3 + VBr3 =>
3 NaBr + V(NO3)3 = 3 NaNO3 + VBr3
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
21 C6H5CH(OH)CH3 + 20 K2Cr2O7 + 80 H2SO4 = 20 Cr2(SO4)3 + 20 K2SO4 + 24 C6H5COOH + 113 H2O
Cu + NO3{-} + H{+} = Cu{2+} + NO + H2O =>
3 Cu + 2 NO3{-} + 8 H{+} = 3 Cu{2+} + 2 NO + 4 H2O
C2H5OH + Cr2O7{-2} + H{+} = CH3COOH + Cr{+3} + H2O =>
3 C2H5OH + 2 Cr2O7{-2} + 16 H{+} = 3 CH3COOH + 4 Cr{+3} + 11 H2O
Na(s) + O2(g) + C(s) + H2(g) = NaHCO3(s) =>
2 Na(s) + 3 O2(g) + 2 C(s) + H2(g) = 2 NaHCO3(s)
COCl2(g) + H2O(l) = HCl(aq) + CO2(g) =>
COCl2(g) + H2O(l) = 2 HCl(aq) + CO2(g)
SCl2 + H2O = SO2 + HCl + S =>
2 SCl2 + 2 H2O = SO2 + 4 HCl + S
CrO + HCl = CrCl2 + H2O =>
CrO + 2 HCl = CrCl2 + H2O
HCeAgNO3 = HNO3AgCe =>
HCeAgNO3 = HNO3AgCe
NaBr + V(NO3)3 = Na(NO3)3 + VBr =>
NaBr + V(NO3)3 = Na(NO3)3 + VBr
HCl + ZnO2 = ZnCl2 + O2 + H2O =>
4 HCl + 2 ZnO2 = 2 ZnCl2 + O2 + 2 H2O
FeCl3 + LiOH = Fe(OH)3 + Li + Cl =>
FeCl3 + 3 LiOH = Fe(OH)3 + 3 Li + 3 Cl
C2H4 + H2O2 = C2H6O2 =>
C2H4 + H2O2 = C2H6O2
H{+} + Cr2O7{-2} + C2H5OH = Cr{+3} + C2H4O + H2O =>
8 H{+} + Cr2O7{-2} + 3 C2H5OH = 2 Cr{+3} + 3 C2H4O + 7 H2O
PBr2 + HCl = HBr + PCl2 =>
PBr2 + 2 HCl = 2 HBr + PCl2
C2H4Cl2 + KOH = KCl + C2H2 + H2O =>
C2H4Cl2 + 2 KOH = 2 KCl + C2H2 + 2 H2O
KCl + AgNO2 = KNO2 + AgCl =>
KCl + AgNO2 = KNO2 + AgCl
H2Cr2O7 + P2O3 + Cr(OH)3 = H3PO4 + CrPO4 =>
6 H2Cr2O7 + 9 P2O3 + Cr(OH)3 = 5 H3PO4 + 13 CrPO4
Nb + H2O = Nb2O5 + NbH =>
12 Nb + 5 H2O = Nb2O5 + 10 NbH
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