| Équations équilibrées la veille |
4 C7H5N3O6 = 6 N2 + 7 CO2 + 10 H2O + 21 C
Dy + Cl2 = DyCl3 =>
2 Dy + 3 Cl2 = 2 DyCl3
C7H8O + H2O2 = CO2 + H2O =>
C7H8O + 17 H2O2 = 7 CO2 + 21 H2O
C6H12O6 + CH4N2O + H2SO4 = C20H32N2O3S + CO2 + H2O =>
53 C6H12O6 + 12 CH4N2O + 12 H2SO4 = 12 C20H32N2O3S + 90 CO2 + 162 H2O
Sc(NO3)3 = Sc2O3 + NO2 + O2 =>
4 Sc(NO3)3 = 2 Sc2O3 + 12 NO2 + 3 O2
Na2SO4 + CH3COOH = H2SO4 + NaCH3COO =>
Na2SO4 + 2 CH3COOH = H2SO4 + 2 NaCH3COO
Li3PO4(aq) + Al(NO3)3(aq) = Li3(NO3)3 + AlPO4 =>
Li3PO4(aq) + Al(NO3)3(aq) = Li3(NO3)3 + AlPO4
C3H7OH + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 C3H7OH + 2 KMnO4 + 3 H2SO4 = 5 C3H6O + K2SO4 + 2 MnSO4 + 8 H2O
Mg(s) + O2 = MgO =>
2 Mg(s) + O2 = 2 MgO
Fe(SCN)3 + KF = FeF3 + KSCN =>
Fe(SCN)3 + 3 KF = FeF3 + 3 KSCN
KMnO4(aq) + HCl(aq) + KI(aq) = KCl(aq) + MnCl2(aq) + I2(s) + H2O =>
2 KMnO4(aq) + 16 HCl(aq) + 10 KI(aq) = 12 KCl(aq) + 2 MnCl2(aq) + 5 I2(s) + 8 H2O
CoO3 + C = Co + CO2 =>
2 CoO3 + 3 C = 2 Co + 3 CO2
FeBr3 + (NH4)2S = Fe2S3 + NH4Br =>
2 FeBr3 + 3(NH4)2S = Fe2S3 + 6 NH4Br
Pb + CO2 = PbO2 + C =>
Pb + CO2 = PbO2 + C
LiOH*H2O + H3BO3 = Li2B4O7 + H2O =>
2 LiOH*H2O + 4 H3BO3 = Li2B4O7 + 9 H2O
Cu3(PO4)2 + Ni = Ni3O8P2 + Cu =>
Cu3(PO4)2 + 3 Ni = Ni3O8P2 + 3 Cu
CaCO3 + H{+} = Ca{2+} + H2CO3 =>
CaCO3 + 2 H{+} = Ca{2+} + H2CO3
Li + Cu(OH)2 = Li(OH) + Cu =>
2 Li + Cu(OH)2 = 2 Li(OH) + Cu
NaHSO4 + Ca(OH)2 = Na2SO4 + H2O + CaSO4 =>
2 NaHSO4 + Ca(OH)2 = Na2SO4 + 2 H2O + CaSO4
HgSO4 + Na2S2O3 + H2O = HgS + Na2SO4 + H2SO4 =>
HgSO4 + Na2S2O3 + H2O = HgS + Na2SO4 + H2SO4
C + H + O2 = CH2O =>
2 C + 4 H + O2 = 2 CH2O
Na3[Cr(OH)6] + H2SO4 = Cr(OH)3 + Na2SO4 + H2O =>
2 Na3[Cr(OH)6] + 3 H2SO4 = 2 Cr(OH)3 + 3 Na2SO4 + 6 H2O
Mn + Br2 = MnBr4 =>
Mn + 2 Br2 = MnBr4
C9H20(l) + O2(g) = CO2(g) + H2O(g) =>
C9H20(l) + 14 O2(g) = 9 CO2(g) + 10 H2O(g)
KMnO4 + Fe = FeO + K2O + MnO2 =>
2 KMnO4 + 3 Fe = 3 FeO + K2O + 2 MnO2
Fe2Cl + Cl = FeCl3 =>
Fe2Cl + 5 Cl = 2 FeCl3
NO3 + H2 = NO + H2O =>
NO3 + 2 H2 = NO + 2 H2O
Pb(NO3)2(aq) + H2S(g) = HNO3(aq) + PbS =>
Pb(NO3)2(aq) + H2S(g) = 2 HNO3(aq) + PbS
Br2 + H2SO4 = BrSO4 + H2 =>
Br2 + 2 H2SO4 = 2 BrSO4 + 2 H2
C6H5CH3 + Br2 = C6H2Br3 + HBr =>
12 C6H5CH3 + 55 Br2 = 14 C6H2Br3 + 68 HBr
NaHCO3 + AgNO3 = NaNO3 + AgHCO3 =>
NaHCO3 + AgNO3 = NaNO3 + AgHCO3
FeCl3 + K4Fe(CN)6 = KCl + Fe4(Fe(CN)6)3 =>
4 FeCl3 + 3 K4Fe(CN)6 = 12 KCl + Fe4(Fe(CN)6)3
BrF3 = Br2 + F2 =>
2 BrF3 = Br2 + 3 F2
Cr2(SO4)3 + RbOH = Cr(OH)3 + Rb2SO4 =>
Cr2(SO4)3 + 6 RbOH = 2 Cr(OH)3 + 3 Rb2SO4
Cu + Fe(OH)3 = Fe + Cu(OH)2 =>
3 Cu + 2 Fe(OH)3 = 2 Fe + 3 Cu(OH)2
Mg(s) + O2 = MgO =>
2 Mg(s) + O2 = 2 MgO
WS3 + O2 = WO3 + SO2 =>
2 WS3 + 9 O2 = 2 WO3 + 6 SO2
Ag(NO3) + Na2(SO4) = Ag2(SO4) + Na(NO3) =>
2 Ag(NO3) + Na2(SO4) = Ag2(SO4) + 2 Na(NO3)
Ba + HOH = Ba(OH)2 + H2 =>
Ba + 2 HOH = Ba(OH)2 + H2
Fe2O3 + I2 = FeI2 + O2 =>
2 Fe2O3 + 4 I2 = 4 FeI2 + 3 O2
Sr(NO3)2 + K2CrO4 = SrCrO4 + K2(NO3)2 =>
Sr(NO3)2 + K2CrO4 = SrCrO4 + K2(NO3)2
HCOOH + ZnCO3 = HCOOZn + H2O + CO2 =>
3 HCOOH + 2 ZnCO3 = 2 HCOOZn + 2 H2O + 3 CO2
B + H2SO4 = H3BO3 + SO2 =>
2 B + 3 H2SO4 = 2 H3BO3 + 3 SO2
Cr2(SO4)3 + NaOH + Cl2 = Na2CrO4 + NaCl + H2O + Na2SO4 =>
Cr2(SO4)3 + 16 NaOH + 3 Cl2 = 2 Na2CrO4 + 6 NaCl + 8 H2O + 3 Na2SO4
SbF5 = F2 + SbF3 =>
SbF5 = F2 + SbF3
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
Na2SO4 + S = Na2S2O4 =>
Na2SO4 + S = Na2S2O4
SiO2 + H2 = Si + H2O =>
SiO2 + 2 H2 = Si + 2 H2O
Al(s) + P(s) = AlP(s) =>
Al(s) + P(s) = AlP(s)
HCl + C = C2Cl2 + H2 =>
2 HCl + 2 C = C2Cl2 + H2
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