Équations équilibrées la veille |
20 HNO3 + 8 H2O + 3 P4 = 12 H3PO4 + 20 NO
ZnO(s) + H2(g) = Zn(s) + H2O(l) =>
ZnO(s) + H2(g) = Zn(s) + H2O(l)
MnSO4 + NaIO3 + NaOH = Na2MnO4 + I2 + Na2SO4 + H2O =>
5 MnSO4 + 4 NaIO3 + 16 NaOH = 5 Na2MnO4 + 2 I2 + 5 Na2SO4 + 8 H2O
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
S + KOH + H2O = K2[S(OH)4] + H2 =>
S + 2 KOH + 2 H2O = K2[S(OH)4] + H2
CrCl3 + NaOH = Cr(OH)3 + Na3Cl3 =>
CrCl3 + 3 NaOH = Cr(OH)3 + Na3Cl3
NiSO4 + K4[Fe(CN6)] = K2SO4 + Ni2[Fe(CN6)] =>
2 NiSO4 + K4[Fe(CN6)] = 2 K2SO4 + Ni2[Fe(CN6)]
Na2CO3 + CO2 + H2O = NaHCO3 = =>
Na2CO3 + CO2 + H2O = 2 NaHCO3
Al2(SO4)3 + Mg(OH)2 = MgSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Mg(OH)2 = 3 MgSO4 + 2 Al(OH)3
CuOH + NaOH = Cu(OH)2 + Na2OH =>
CuOH + 2 NaOH = Cu(OH)2 + Na2OH
AlCl3 + NaF = AlF3 + NaCl =>
AlCl3 + 3 NaF = AlF3 + 3 NaCl
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Ca(Br)2 + Na3Po4 = Ca3(Po4)2 + NaBr =>
3 Ca(Br)2 + 2 Na3Po4 = Ca3(Po4)2 + 6 NaBr
Ag2SO4 + KCl = AgCl + K2SO4 =>
Ag2SO4 + 2 KCl = 2 AgCl + K2SO4
Na2O + SiO2 = Na2SiO3 =>
Na2O + SiO2 = Na2SiO3
Al2(SO4)3 + ZnCl2 = AlCl3 + ZnSO4 =>
Al2(SO4)3 + 3 ZnCl2 = 2 AlCl3 + 3 ZnSO4
C3H6 + HNO3 = C3H8 + NO3 =>
C3H6 + 2 HNO3 = C3H8 + 2 NO3
Cr(OH)3 + NaOH = Na2CrO4 + H2O + H2 =>
2 Cr(OH)3 + 4 NaOH = 2 Na2CrO4 + 2 H2O + 3 H2
K2Cr2O7 + SnCl + HCl = CrCl2 + KCl + SnCl4 + H2O =>
3 K2Cr2O7 + 8 SnCl + 42 HCl = 6 CrCl2 + 6 KCl + 8 SnCl4 + 21 H2O
H2N2H2 + HNO3 = H3N2H2 + NO3 =>
H2N2H2 + HNO3 = H3N2H2 + NO3
Na2O + SiO2 = Na2SiO3 =>
Na2O + SiO2 = Na2SiO3
C4Cl2 + Al = C + AlCl =>
C4Cl2 + 2 Al = 4 C + 2 AlCl
NH3 + HNO3 = H2O + NOH =>
NH3 + HNO3 = H2O + 2 NOH
K + I2 = KI =>
2 K + I2 = 2 KI
HgS + HNO3 = HgNO3 + HS =>
HgS + HNO3 = HgNO3 + HS
CaCO3 + H3PO4 = Ca3[PO4]2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3[PO4]2 + 3 H2CO3
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
HCIAI = AICIH =>
HCIAI = AICIH
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Fe + Ni(NO3)2 = Fe(NO3)2 + Ni =>
Fe + Ni(NO3)2 = Fe(NO3)2 + Ni
NaBr + H2SO4 = Br2(l) + SO2 + H2O + Na2SO4 =>
2 NaBr + 2 H2SO4 = Br2(l) + SO2 + 2 H2O + Na2SO4
Mn2(SO4)3 = MnSO4 + O2 + SO3 =>
2 Mn2(SO4)3 = 4 MnSO4 + O2 + 2 SO3
Ba(OH)2 + Na3PO4 = BaPO4 + Na3(OH)2 =>
Ba(OH)2 + Na3PO4 = BaPO4 + Na3(OH)2
NaClO + KI + H2O = NaCl + I2 + KOH =>
NaClO + 2 KI + H2O = NaCl + I2 + 2 KOH
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
UO2 + HCl = UO2Cl2 + H2 =>
UO2 + 2 HCl = UO2Cl2 + H2
P4O10 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
P4O10 + 6 Ca(OH)2 = 2 Ca3(PO4)2 + 6 H2O
NO3 + N = N2O3 =>
NO3 + N = N2O3
Br2 + O = BrO =>
Br2 + 2 O = 2 BrO
NaOH + KF = KOH + NaF =>
NaOH + KF = KOH + NaF
Na(OH) + MgSO4 = Mg(OH)2 + Na2SO4 =>
2 Na(OH) + MgSO4 = Mg(OH)2 + Na2SO4
FeBr3 + NaHCO3 = NaBr + Fe(OH)3 + CO2 =>
FeBr3 + 3 NaHCO3 = 3 NaBr + Fe(OH)3 + 3 CO2
P + SO3 = PSO3 =>
P + SO3 = PSO3
KI + ZnSO4 = ZnI2 + K2SO4 =>
2 KI + ZnSO4 = ZnI2 + K2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
Al + CH3Cl + Na = Al2(CH3)6 + NaCl =>
2 Al + 6 CH3Cl + 6 Na = Al2(CH3)6 + 6 NaCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
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