Équations équilibrées la veille |
Pr6O11 + 18 HNO3 = 6 Pr(NO3)3 + 9 H2O + O2
C8H8(s) + O2(g) = CO2(g) + H2O(l) =>
C8H8(s) + 10 O2(g) = 8 CO2(g) + 4 H2O(l)
CuF2 = Cu2 + F =>
2 CuF2 = Cu2 + 4 F
NH4 + P = (NH4)3P =>
3 NH4 + P = (NH4)3P
C9H16N + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + C7NH10O4 + CO2 =>
5 C9H16N + 22 KMnO4 + 33 H2SO4 = 22 MnSO4 + 11 K2SO4 + 48 H2O + 5 C7NH10O4 + 10 CO2
CrCl3 + I2 = CrI3 + Cl2 =>
2 CrCl3 + 3 I2 = 2 CrI3 + 3 Cl2
CdSO4 + Ni = Ni2(SO4)3 + Cd =>
3 CdSO4 + 2 Ni = Ni2(SO4)3 + 3 Cd
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CH2ClCOOH + NaOH = CH2ClCOONa + H2O =>
CH2ClCOOH + NaOH = CH2ClCOONa + H2O
Pb + Au(NO3)2 = Pb(NO3)2 + Au =>
Pb + Au(NO3)2 = Pb(NO3)2 + Au
Br2Na2CO3 = NaBr + NaBrO3 + CO2 =>
3 Br2Na2CO3 = 5 NaBr + NaBrO3 + 3 CO2
(NH4)2WO4 + HF = (NH4)2WO2F4 + H2O =>
(NH4)2WO4 + 4 HF = (NH4)2WO2F4 + 2 H2O
CH3COOH + HCl = CH3Cl + H2CO3 =>
3 CH3COOH + 4 HCl = 4 CH3Cl + 2 H2CO3
NH4Cl + Br = N2 + HCl + HBr =>
2 NH4Cl + 6 Br = N2 + 2 HCl + 6 HBr
H{+} + FeS2 + NO3{-} = N2 + Fe{2+} + SO4{2-} + H2O =>
4 H{+} + 5 FeS2 + 14 NO3{-} = 7 N2 + 5 Fe{2+} + 10 SO4{2-} + 2 H2O
AgNO3 + ClO = AgClO + NO3 =>
AgNO3 + ClO = AgClO + NO3
C4H8O + KMnO4 + H2SO4 = C4H6O2 + K2SO4 + MnSO4 + H2O =>
5 C4H8O + 4 KMnO4 + 6 H2SO4 = 5 C4H6O2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
CaOCl2 + SnSO4 + H2SO4 = CaCl2 + Sn(SO4)2 + H2O =>
CaOCl2 + SnSO4 + H2SO4 = CaCl2 + Sn(SO4)2 + H2O
Ni2S3 = Ni + S =>
Ni2S3 = 2 Ni + 3 S
KSCN + HNO3 = KHSO4 + CO2 + NO2 + H2O =>
KSCN + 15 HNO3 = KHSO4 + CO2 + 16 NO2 + 7 H2O
Sn + SbCl5 = SnCl2 + Sb =>
5 Sn + 2 SbCl5 = 5 SnCl2 + 2 Sb
C2H2(g) + O2 = CO2(g) + H2O(g) =>
2 C2H2(g) + 5 O2 = 4 CO2(g) + 2 H2O(g)
P4(s) + Br2(l) = PBr3(g) =>
P4(s) + 6 Br2(l) = 4 PBr3(g)
Hg + HBr = HgH + Br =>
Hg + HBr = HgH + Br
U3O8 + O2 + HNO3 = UO2(NO3)2 + H2O =>
2 U3O8 + O2 + 12 HNO3 = 6 UO2(NO3)2 + 6 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Fe2O3(g) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(g) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
Ba(OH)2(aq) + Na2CO3(aq) = BaCO3 + Na2(OH)2 =>
Ba(OH)2(aq) + Na2CO3(aq) = BaCO3 + Na2(OH)2
CIO{-} + I{-} + H{+} = CI{-} + I2 + H2O =>
CIO{-} + 2 I{-} + 2 H{+} = CI{-} + I2 + H2O
Fe(SO4) + H2O2 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(SO4) + H2O2 + H2SO4 = Fe2(SO4)3 + 2 H2O
Fe(NO3)3 + Na2C2O4 = FeC2O4 + Na2(NO3)3 =>
Fe(NO3)3 + Na2C2O4 = FeC2O4 + Na2(NO3)3
Pb3O4 + CH3COOH = Pb(C2H3O2)4 + Pb(C2H3O2)2 + H2O =>
Pb3O4 + 8 CH3COOH = Pb(C2H3O2)4 + 2 Pb(C2H3O2)2 + 4 H2O
Cu + NaNO3 + HCl = Cu(NO3)2 + NaCl + NO2 + H2O =>
Cu + 4 NaNO3 + 4 HCl = Cu(NO3)2 + 4 NaCl + 2 NO2 + 2 H2O
Na2SO4 + KNO2 = NaNO2 + K2SO4 =>
Na2SO4 + 2 KNO2 = 2 NaNO2 + K2SO4
Cd + CuF2 = Cu + CdF2 =>
Cd + CuF2 = Cu + CdF2
KCrO2 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 KCrO2 + 3 Br2 + 8 KOH = 2 K2CrO4 + 6 KBr + 4 H2O
C4H6O6 + C2H6O = C8H14O6 + H2O =>
C4H6O6 + 2 C2H6O = C8H14O6 + 2 H2O
NaHCOO + H2O = NaOH + HCOOH =>
NaHCOO + H2O = NaOH + HCOOH
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
FeS + H2O = H2S + FeO =>
FeS + H2O = H2S + FeO
Ni + H2(SO4) = Ni2(SO4)3 + H2 =>
2 Ni + 3 H2(SO4) = Ni2(SO4)3 + 3 H2
Na2CO3 + MnCO3 + O2 = Na4Mn9O18 + CO2 =>
4 Na2CO3 + 18 MnCO3 + 7 O2 = 2 Na4Mn9O18 + 22 CO2
Ag2SO4 + AsH3 + H2O = Ag + As2O3 + H2SO4 =>
6 Ag2SO4 + 2 AsH3 + 3 H2O = 12 Ag + As2O3 + 6 H2SO4
Al2(SO4)3 + NH3 + H2O = Al(OH)3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 NH3 + 6 H2O = 2 Al(OH)3 + 3(NH4)2SO4
C6H5OH + H2SO4 = H2SO3 + H2O + CO2 =>
C6H5OH + 14 H2SO4 = 14 H2SO3 + 3 H2O + 6 CO2
Pb(No3)2 + NaCl = PbCl + Na(No3)2 =>
Pb(No3)2 + NaCl = PbCl + Na(No3)2
Fe(iii) + HCl = FeCl3 + H2 =>
2 Fe(iii) + 6 HCl = 2 FeCl3 + 3 H2
NH4Cl(s) + Ca(OH)2 = NH3(g) + H2O(l) + CaCl2(s) =>
2 NH4Cl(s) + Ca(OH)2 = 2 NH3(g) + 2 H2O(l) + CaCl2(s)
NaOH + Cl2 = NaCl2 + NaClO + H2O =>
4 NaOH + 3 Cl2 = 2 NaCl2 + 2 NaClO + 2 H2O
P + HNO3 = H2O + NO2 + H3PO4 =>
P + 5 HNO3 = H2O + 5 NO2 + H3PO4
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