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Appunti, Tesina di, appunto CHIMICA

Bilanciamento - ESERCIZI

Bilanciamento - ESERCIZI
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Bilanciamento - ESERCIZI

1.      H3PO3 + CuO ®  Cu3(PO3)2 +3H2O                                                                                 (2,3 – 1,3)

2.      Cs2O + H2O ®  CsOH                                                                                                     (1,1 – 2) 

3.      P2O5 +  H2O ® HPO3                                                                                                       (1,1 – 2)

4.      NaCl + H2SO4 ®  Na2SO4 + HCl                                                                                     (2,1 – 1,2)

5.      NaF + Mg(OH)2 ®  MgF2 + NaOH                                                                                  (2,1 – 1,2)

6.      Al(OH)3 + H3PO4 ®  + AlPO4 + H2O                                                                               (1,1 – 1,3)

7.      AgNO3 + FeCl3 ®  AgCl + Fe(NO3)3                                                                               (3,1 – 3,1)

8.      Al(OH)3 + HCN ®  Al(CN)3 + H2O                                                                                 (1,3 – 1,3)

9.      HClO + Ba(OH)2 ®  Ba(ClO)2 + H2O                                                                              (2,1 – 1,2)

10.  H2CO3 + Fe(OH)3 ®  Fe2(CO3)3 + H2O                                                                           (3,2 – 1,6)

11.  HgOH + H2S ®  Hg2S + H2O                                                                                           (2,1 – 1,2)

12.  H2Cr2O7 + KOH ®  K2Cr2O7 + H2O                                                                                (1,2 – 1,2)       

13.  H2SO4 + LiOH ®  Li2SO4 + H2O                                                                                      (1,2 – 1,2)

14.  SiO2 + HF ®  H2O + SiF4                                                                                                 (1,4 – 2,1)

15.  AsCl3 + H2S ®  HCl + As2S3                                                                                            (2,3 – 6,1)

16.  H2S + AgNO3 ®  Ag2 S + HNO3                                                                                          (1,2 – 1,2)

17.  Cr2O3 + Na2CO3 + KNO3 ® Na2CrO4 + CO2 + KNO2                                                   (1,2,3 - 2,2,3)

18.  Cu + H2SO4 ® CuSO4 + SO2 + H2O                                                                                (1,2 - 1,1,2)

19.  Na2HAsO3 + KBrO3 + HCl ® NaCl + KBr + H3AsO4                                                     (3,1,6 - 6,1,3)

20.  NaNO2 ® NaNO3 + NO + Na2O                                                                                     (3 - 1,2,1)

21.  K2SO3 ® K2SO4 + K2S                                                                                                    (4 - 3,1)

22.  Pb + HNO3 ® Pb(NO3)2 + NO + H2O                                                                             (3,8 - 3,2,4)

23.  H3AsO3 + SnCl2 + HCl ® As + SnCl4 + H2O                                                                    (2,3,6 - 2,3,6)

24.  SO2 + H2S ® S + H2O                                                                                                      (1,2 - 3,2)

25.  HNO3 + HCl ® NO + Cl2 + H2O                                                                                     (2,6 - 2,3,4)

26.  HNO3 + H2S ® NO + S + H2O                                                                                        (2,3 - 2,3,4)

27.  Cu + HNO3 ® Cu(NO3)2 + NO + H2O                                                                            (3,8 - 3,2,4)

28.  Br2 + S + H2O ® HBr + H2SO4                                                                                        (3,1,4 - 6,1)

29.  Cl2 + KI + KOH ® KCl + KIO3 + H2O                                                                           (3,1,6 - 6,1,3)

30.  FeS2 + O2 Fe2O3 + SO2                                                                                                (4,11 - 2,8)

31.  SO2 + O2 SO3                                                                                                               (2,1 - 2)

32.  H2 + O2 H2O                                                                                                                 (2,1 -2)

33.  KClO KCl + KClO3                                                                                                     (3 - 2,1)

34.  CaH2 + H2O Ca(OH)2 + H2                                                                                          (1,2 - 1,2)

35.  NaIO3 + NaHSO3 NaHSO4 + Na2SO4 + H2O + I2                                                       (2,5 - 3,2,1,1)

36.  Fe + O2 Fe2O3                                                                                                              (4,3 - 2)

37.  ZnS + O2 ZnO + SO2                                                                                                    (2,3 - 2,2)

38.  Al + Cr2O3 Al2O3 + Cr                                                                                                  (2,1 - 1,2)

39.  C + SO2 CS2 + CO                                                                                                      (5,2 - 1,4)

40.  NH3 + O2 N2 + H2O                                                                                                     (4,3 - 2,6)

41.  H2 + Cl2 HCl                                                                                                                 (1,1 - 2)

42.  N2 + H2 NH3                                                                                                                 (1,3 - 2)

43.  CS2 + O2 CO2 + SO2                                                                                                    (1,3 - 1,2)

44.  KClO3 KCl + O2                                                                                                          (2 - 2,3)

45.  Zn + H2SO4 ZnSO4 + H2                                                                                               (1,1 - 1,1)

46.  H2O2 H2O + O2                                                                                                            (2 - 2,1)

47.  HNO3 + H2S NO + H2O + S                                                                                        (2,3 - 2,4,3)

48.  Li2O2 Li2O + O2                                                                                                            (2 - 2,1)

49.  NH3 + O2 NO + H2O                                                                                                   (4,5 - 4,6)

50.  CuO + NH3 N2 + H2O + Cu                                                                                         (3,2 - 1,3,3)

51.  Sn + HNO3  SnO2 + NO2 + H2O                                                                                  (1,4 - 1,4,2)

52.  KBr + H2SO4 K2SO4 + Br2 + SO2 + H2O                                                                     (2,2 - 1,1,1,2)

53.  Cr2O3 + Na2CO3 + KNO3 Na2CrO4 + CO2 + KNO2                                                   (1,2,3 - 2,2,3)

54.  MnO2 + FeSO4 + H2SO4 MnSO4 + Fe2(SO4)3 + H2O                                                  (1,2,2 - 1,1,2)

55.  KClO3 KCl + O2                                                                                                          (2 - 2,3)

56.  K + H2O KOH + H2                                                                                                     (2,2 - 2,1)

57.  P + O2 P2O3                                                                                                                  (4,3 - 2)

58.  Fe2O3 + C CO + Fe                                                                                                      (1,3 - 3,2)

59.  P + Cl2 PCl5                                                                                                                  (2,5 - 2)

60.  H2S + O2 H2O + S                                                                                                        (2,1 - 2,2)

61.  H2S + H2O2 H2SO4 + H2O                                                                                            (1,4 -l,4)

62.  SO2 + H2S H2O + S                                                                                                      (1,2 - 2,3)

63.  HI +H2SO4 SO2 + H2O + I2                                                                                          (2,1 - 1,2,1)

64.  NaI + Cl2 NaCl + I2                                                                                                      (2,1 - 2,1)

65.  As + Cl2 AsCl3                                                                                                              (2,3 - 2)

66.  KI + H2O2 KOH + I2                                                                                                    (2,1 - 2,1)

67.  NaI + MnO2 + H2SO4 MnSO4 + NaHSO4 + H2O + I2                                                  (2,1,3 -l,2,2,1)

68.  NaBr + Cl2 NaCl + Br2                                                                                                 (2,1 - 2,1)

69.  Cl2 + KI KCl + I2                                                                                                          (1,2 -2,1)

70.  H2S + O2 SO2 + H2O                                                                                                    (2,3 - 2,2)

71.  BCl3 + P4 + H2 BP + HCl                                                                                              (4,1,6 - 4,12)

72.  (NH4)2Cr2O7  N2 + Cr2O3 + H2O                                                                                  (1 - 1,1,4)

73.  KrF2 + H2O Kr + O2 + HF                                                                                           (2,2 - 2,1,4)

74.  Na2CO3 + C + N2 NaCN + CO                                                                                               (1,4,1 -2,3)

75.  K4Fe(CN)6 + H2SO4 + H2O K2SO4 + FeSO4 + (NH4)2SO4 + CO                               (1,6,6 - 2,1,3,6)



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