Page 518 - SET 1 Koleksi Soalan dan Skema Jawapan SPM KBSM
P. 518

(i)    Based on Table 9, name one example of acid X and acid Y.
                                                                                                       [2 marks]

                             Berdasarkan Jadual 9 namakan satu contoh asid X dan asid Y.
                                                                                                     [2 markah]


                      (ii)    Explain why there is a difference in the values of the heat of neutralisation.
                                                                                                      [4 marks]
                             Jelaskan mengapa terdapat perbezaan nilai haba peneutralan itu.
                                                                                                     [4 markah]
                 (b)         Calculate the change in temperature of the mixture in set I
                             [Specific heat capacity of solution: 4.2 J g -1 o C ]
                                                                          -1
                                                                                                      [4 marks]
                             Hitung perubahan suhu bagi campuran dalam set I.
                                                                   -1
                             [Muatan haba tentu larutan: 4.2 J g -1 o C ]
                                                                                                     [4 markah]


                 (c)         By using either acid X or acid Y, describe an experiment to determine the heat of
                             neutralisation.
                             In your description include:
                                    Procedure of the experiment
                                    The thermo chemical equation involved
                                    Energy level diagram for the reaction


                                                                                                     [10 marks]


                             Dengan menggunakan sama ada asid X atau asid Y, huraikan satu eksperimen untuk
                             menentukan haba peneutralan.
                             Dalam huraian anda,sertakan
                                     Prosedur  eksperimen
                                     Persamaan termokimia yang terlibat.
                                     Rajah aras tenaga bagi tindak balas itu
                                                                                                    [10 markah]





















                                                             25
   513   514   515   516   517   518   519   520   521   522   523