Please give me answers for all the questions .

6. i) What is the difference between a reversible and an irreversible process? (4 marks) ii) Write down the Clausius Equality Statement of Second law of thermodynamics, for a reversible process (4 marks) iii) In a normal rice cooking using a hot plate and a pan, and using a good rice cooker, Explain, which application can be considered as more environmental-friendly? (4 marks) Justify that the more environmental friendly application has lower increase of entropy. (4 marks) iv) Simple life style is always better for the environment. Explain this by considering the first and the second law of thermodynamics. (4 marks) 7. Write down the Kelvin-Plank Statement of Second law of thermodynamics. (4 marks) In a refrigerator design, explain the importance of both the "insulation, and efficient refrigeration system" by considering both the first law and second law of thermodynamics. (8 marks) As a user, explain the best practices in the using of refrigerator in terms of thermodynamics, energy, and environment. (8 marks) 3/6 Page 3 of 6 Saturated Water and Steam