(15 markah) 1. (a) Binding energy of a nucleus is the difference in the mass energy between nucleus X and its constituent Z protons and N neutrons: From the binding energy, define proton separation energy and neutron separation energy in terms of binding energy (10 marks) SMES3201 (b) From part (a), find the binding energy per nucleon for 12C and their proton and (15 marks) (c) Sketch a graph showing the distribution of binding energy per nucleon vs (20 marks)...
10. If you had to predict the trend in boiling points (from lowest to highest), what would you expect it to be for following molecules? Explain your trend. Hy Н,0 Hys
a) 5. se, 12) a) Explain the trend in ionization energy on the periodic table AND the reason this trend is observed. marks)
ABC 6. (a) Find constants A, B and C such that (3 marks) (b) Hence determine dx. r(1-r2) (2 marks) (c) Evaluate J2 2 marks) dx. Write your answer as a single log. 1-A)
2. (K/U: 6 marks and T: 6 marks) Solve for x. (a) 2x3 – 3x² – 8x +12<0 o bob UAH (b) log(x + 3) + log(x - 1) – log 21 = 0 (c) 32x+1 < 81
6. Write the equation that corresponds to the electron affinity of Cl. a. explain the trend in electron affinity going down the group.
5. (6 marks) Determine all values of k such that the set independent. ON -6 is linearly 6. (7 marks) Let B = = [1] Determine whether it is in SpanB. If so, write it as a linear combination of i -12 and ū= 2 1- 31. t, and
1. (8 marks) Predict the MAJOR product from the following
reaction and draw a clear step-by-step mechanism for the reaction.
Also, briefly explain why this is the major product that is
formed.
(8 marks) Predict the MAJOR product from the following reaction and draw a clear step- by-step mechanism for the reaction. Also, briefly explain why this is the major product that is formed 1 NH3 OSO2CF3
(Question 2) (6 marks) 1) Draw the K-map for the 4-in 2) Use a K-map to simplify in Sum-of-Product form. 3) Implement the resulting two level logic function using only NAND gates.
Question 1 (50 marks) (a) Work-from-home (WFH) trend is likely to change the working environment in this current pandemic. Discuss the key challenges in the aspects of communication and security of both company and workers. [25 marks]