| Équations équilibrées la veille |
HOCN = HCNO
AlCl3 + Na2S = NaCl + Al2S3 =>
2 AlCl3 + 3 Na2S = 6 NaCl + Al2S3
Cr2O7{2-} + H{+} + CH3CH2OH = Cr{3+} + CH3COO + H2O =>
5 Cr2O7{2-} + 40 H{+} + 6 CH3CH2OH = 10 Cr{3+} + 6 CH3COO + 29 H2O
Fe + NaCl + H2O = FeCl2 + NaOH + H2 =>
Fe + 2 NaCl + 2 H2O = FeCl2 + 2 NaOH + H2
Ba(NO3)2 + Fe2(SO4)3 = BaSO4 + Fe(NO3)3 =>
3 Ba(NO3)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(NO3)3
Hg(NO3)2 + SnCl2 + HCl = Hg2Cl2 + H2SnCl6 + HNO3 =>
2 Hg(NO3)2 + SnCl2 + 6 HCl = Hg2Cl2 + H2SnCl6 + 4 HNO3
AlCl3(aq) + K2S(aq) = KCl + Al2S3 =>
2 AlCl3(aq) + 3 K2S(aq) = 6 KCl + Al2S3
HNO2 + Br2 + H2O = HNO3HBr + HBr =>
HNO2 + Br2 + H2O = HNO3HBr + HBr
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
ZnI2 + K2CO3 = ZnCO3 + KI =>
ZnI2 + K2CO3 = ZnCO3 + 2 KI
K2C2O4 + H2SO4 = CO + CO2 + KHSO4 + H2O =>
K2C2O4 + 2 H2SO4 = CO + CO2 + 2 KHSO4 + H2O
HBr2 + H2SO4 = SO2 + Br2 + H2O =>
2 HBr2 + H2SO4 = SO2 + 2 Br2 + 2 H2O
Ba(NO3)2 + NaHSO4 = BaHSO4 + Na(NO3)2 =>
Ba(NO3)2 + NaHSO4 = BaHSO4 + Na(NO3)2
CH4OH10 + O2 = CO2 + H2O =>
CH4OH10 + 4 O2 = CO2 + 7 H2O
LiI(aq) + BaS(aq) = BaI2(s) + Li2S(aq) =>
2 LiI(aq) + BaS(aq) = BaI2(s) + Li2S(aq)
HBrO4 = HBr + O2 =>
HBrO4 = HBr + 2 O2
(NH4)SO4 + NaNO3 = NaSO4 + H2O + N2O =>
(NH4)SO4 + NaNO3 = NaSO4 + 2 H2O + N2O
CH3COOH(aq) + Zn2S = CH3COOZn + H2S =>
2 CH3COOH(aq) + Zn2S = 2 CH3COOZn + H2S
H2C3H2O4 + KOH = H2O + KHC3H2O4 =>
H2C3H2O4 + KOH = H2O + KHC3H2O4
CH4SO4 + H2O = CH3OH + H2SO4 =>
CH4SO4 + H2O = CH3OH + H2SO4
C3H* + O2 = CO2 + H2O =>
4 C3H* + 13 O2 = 12 CO2 + 2 H2O
Mg2 + TiCl4 = MgCl2 + Ti2 =>
2 Mg2 + 2 TiCl4 = 4 MgCl2 + Ti2
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Zn + HNO3 = ZnO + H2O + N =>
5 Zn + 2 HNO3 = 5 ZnO + H2O + 2 N
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
KOH + KH2PO4 = K3PO4 + H2O =>
2 KOH + KH2PO4 = K3PO4 + 2 H2O
Na2CO3H2O + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3H2O + H2SO4 = Na2SO4 + CO2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
NH4 + CO3 = NH4CO3 =>
NH4 + CO3 = NH4CO3
Fe3O4 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe3O4 + 10 HNO3 = 3 Fe(NO3)3 + NO2 + 5 H2O
C8H10 + HNO3 = C6H3CH3CH3NO2 + H2O =>
C8H10 + HNO3 = C6H3CH3CH3NO2 + H2O
AI + AgCI = AICI + Ag =>
AI + AgCI = AICI + Ag
H2O + C4H8O2 = CH4 + CO2 =>
2 H2O + 2 C4H8O2 = 5 CH4 + 3 CO2
Na3N + Cl2 = NaCl + N2 =>
2 Na3N + 3 Cl2 = 6 NaCl + N2
BaF2 + Cl2 = BaCl2 + F2 =>
BaF2 + Cl2 = BaCl2 + F2
KVO2 + CrSO4 + H2SO4 + K2O = K2VO2 + Cr2(SO4)3 + H2O =>
2 KVO2 + 2 CrSO4 + H2SO4 + K2O = 2 K2VO2 + Cr2(SO4)3 + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaS2 + AgNO3 = NaNO3 + AgS2 =>
NaS2 + AgNO3 = NaNO3 + AgS2
C36H74 + O2 = CO2 + H2O =>
2 C36H74 + 109 O2 = 72 CO2 + 74 H2O
POCl2 + H2O = HCl + PO2 =>
POCl2 + H2O = 2 HCl + PO2
Mg(OH)2 + NH4Cl = Mg(OH2)Cl2 + NH3 + H2O =>
Mg(OH)2 + 2 NH4Cl = Mg(OH2)Cl2 + 2 NH3 + H2O
KMnO4 + KBr + HSO4 = Br2 + KSO4 + MnSO3 + H2O =>
KMnO4 + 8 KBr + 10 HSO4 = 4 Br2 + 9 KSO4 + MnSO3 + 5 H2O
C7H6O + Cu{+2} + OH{-} = C6H5COOH + Cu2O + H2O =>
C7H6O + 2 Cu{+2} + 4 OH{-} = C6H5COOH + Cu2O + 2 H2O
Ca(NO3)2 + HClO3 = Ca(ClO3)2 + HNO3 =>
Ca(NO3)2 + 2 HClO3 = Ca(ClO3)2 + 2 HNO3
Ba(NO3)2 + Na2S = BaS + NaNO3 =>
Ba(NO3)2 + Na2S = BaS + 2 NaNO3
C8H6 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
35 C8H6 + 26 KMnO4 + 39 H2SO4 = 40 C6H5COOH + 26 MnSO4 + 13 K2SO4 + 24 H2O
C6H8O7 + CH4N2O + C2H5OH = C6H5NO3 + H2O =>
26 C6H8O7 + 18 CH4N2O + 21 C2H5OH = 36 C6H5NO3 + 113 H2O
AgNO3(aq) + NH4SCN(aq) = AgSCN(s) + NH4NO3 =>
AgNO3(aq) + NH4SCN(aq) = AgSCN(s) + NH4NO3
Tc + O2 = Tc2O3 =>
4 Tc + 3 O2 = 2 Tc2O3
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