Équations équilibrées la veille |
2 N2 + 5 O2 = 2 N2O5
Na + N2 = Na3N =>
6 Na + N2 = 2 Na3N
FeSO4 + HCl = HSO4 + FeCl =>
FeSO4 + HCl = HSO4 + FeCl
KMnO4 + H2SO4 + HCO2 = K2SO4 + MnSO4 + CO2 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 HCO2 = K2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
CaF2 + H2S2O7 = HSO3F + CaO =>
CaF2 + H2S2O7 = 2 HSO3F + CaO
Fe + MnO + H = FeMn + H2O =>
Fe + MnO + 2 H = FeMn + H2O
Tl2S + HNO3 = Tl(NO3)3 + NO + H2O + S =>
Tl2S + 8 HNO3 = 2 Tl(NO3)3 + 2 NO + 4 H2O + S
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
HCrO4 + H2S = Cr2O3 + SO4 + H2 =>
8 HCrO4 + 5 H2S = 4 Cr2O3 + 5 SO4 + 9 H2
Na + HNO3 = Na(NO3) + H2O + NO =>
3 Na + 4 HNO3 = 3 Na(NO3) + 2 H2O + NO
Bi2(Cr2O7)5 + Cu2Si2O5 = Bi2(Si2O5)5 + Cu2Cr2O7 =>
Bi2(Cr2O7)5 + 5 Cu2Si2O5 = Bi2(Si2O5)5 + 5 Cu2Cr2O7
K2[Zn(OH)4] + H2S = Zn(OH)2 + K2S + H2O =>
K2[Zn(OH)4] + H2S = Zn(OH)2 + K2S + 2 H2O
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
C4H6O6 + OH = C4H4O6 + H2O =>
C4H6O6 + 2 OH = C4H4O6 + 2 H2O
CaS + Pb(NO3) = Ca(NO3) + PbS =>
CaS + Pb(NO3) = Ca(NO3) + PbS
Cr2O7{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O7{2-} + 6 Fe{2+} + 14 H{+} = 2 Cr{3+} + 6 Fe{3+} + 7 H2O
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Fe2Cr2O4 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
2 Fe2Cr2O4 + 4 Na2CO3 + 5 O2 = 4 Na2CrO4 + 2 Fe2O3 + 4 CO2
Zn + H2S2O7 = Zn2S2O7 + H2S + H2O =>
16 Zn + 9 H2S2O7 = 8 Zn2S2O7 + 2 H2S + 7 H2O
Fe + O2 + N3 = FeON2 =>
6 Fe + 3 O2 + 4 N3 = 6 FeON2
C5H11Cl + KOH(alcohol) = C5H10 + KCl + H2O =>
C5H11Cl + KOH(alcohol) = C5H10 + KCl + H2O
C8H18O8 + O2 = H2O + C7O10 =>
14 C8H18O8 + 87 O2 = 126 H2O + 16 C7O10
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
HCl + Ag(NO3) = HNO3 + AgCl =>
HCl + Ag(NO3) = HNO3 + AgCl
ZnSO4 + Mg = ZnMgSO4 =>
ZnSO4 + Mg = ZnMgSO4
K2Cr2O7 + Na2S2O3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
4 K2Cr2O7 + 3 Na2S2O3 + 13 H2SO4 = 4 Cr2(SO4)3 + 3 Na2SO4 + 4 K2SO4 + 13 H2O
NaOH + N2 = Na2O2 + NH3 =>
6 NaOH + N2 = 3 Na2O2 + 2 NH3
Ca(OH)2 + CuO = CaCuO2 + H2O =>
Ca(OH)2 + CuO = CaCuO2 + H2O
CH2OH + HNO3 = CH2ONO2 + H2O =>
CH2OH + HNO3 = CH2ONO2 + H2O
KMnO4 + SNCl2 + HCl = MnCl2 + SNCl4 + KCl + H2O =>
2 KMnO4 + 5 SNCl2 + 16 HCl = 2 MnCl2 + 5 SNCl4 + 2 KCl + 8 H2O
AlCl3 + NH3*H2O = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH3*H2O = Al(OH)3 + 3 NH4Cl
C3Cl2N3NaO3 + HCl = C3H3N3O3 + NaCl + Cl2 =>
C3Cl2N3NaO3 + 3 HCl = C3H3N3O3 + NaCl + 2 Cl2
AgNO3 + ZnSO4 = AgSO4 + Zn(NO3) =>
AgNO3 + ZnSO4 = AgSO4 + Zn(NO3)
C + Ar = CAr =>
C + Ar = CAr
NH4 + CO3 = NH3 + CO2 + H2O =>
2 NH4 + CO3 = 2 NH3 + CO2 + H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Cl2 + NiBr2 = Cl2Br2 + Ni =>
Cl2 + NiBr2 = Cl2Br2 + Ni
ZnS + NaOH = Na2S + Zn(OH)2 =>
ZnS + 2 NaOH = Na2S + Zn(OH)2
HI + H3AsO4 = As2O3 + I2 + H2O =>
4 HI + 2 H3AsO4 = As2O3 + 2 I2 + 5 H2O
Br2 + CaI2 = Ca + BrI4 =>
Br2 + 4 CaI2 = 4 Ca + 2 BrI4
Br{-} + H2O2 + H{+} = Br2 + H2O =>
2 Br{-} + H2O2 + 2 H{+} = Br2 + 2 H2O
PB + H2SO4 = PBSO4 + H2 =>
PB + H2SO4 = PBSO4 + H2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C3H4O2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 C3H4O2 + 12 KMnO4 + 18 H2SO4 = 15 CO2 + 12 MnSO4 + 6 K2SO4 + 28 H2O
K2CO3 + HN03 = KN03 + CO2 + H2O =>
K2CO3 + 2 HN03 = 2 KN03 + CO2 + H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C6H5CH3CHCH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + C6H5COOH + H2O =>
35 C6H5CH3CHCH3 + 66 KMnO4 + 99 H2SO4 = 33 K2SO4 + 66 MnSO4 + 45 C6H5COOH + 174 H2O
Na2S2O3 + Cl2 + H2O = Na2SO4 + HCl + HSO4 =>
2 Na2S2O3 + 9 Cl2 + 10 H2O = 2 Na2SO4 + 18 HCl + 2 HSO4
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