I have attached the assessment brief.
BHS102A_Assessment2_Brief_1.Docx Page 1 of 8 ASSESSMENT BRIEF Subject Code and Title Bioscience BHS102A Assessment Report Individual/Group Individual Length 1500 words +/- 10% Learning Outcomes a) Explain the chemical behaviour of biologically important elements in terms of the periodic table and describe the relationship between chemical behaviour and chemical structure b) Discuss chemical theories of bonding and how they relate to selected chemical/biochemical compounds c) Describe states of matter, solutions and colloids d) Discuss and analyse the principles of acid/base, oxidation/reduction, equilibrium and kinetics to the behaviour of selected chemical/biochemical compounds e) Describe the key concepts relating to energy and radiation f) Identify selected chemical/biochemical compounds g) Identify and explain the basic properties and reactions of hydrocarbons (alkenes, alkynes and aromatics), phenols, alcohols, ethers and thiols Submission By 11:55pm AEST/AEDT Sunday of Week 9 Weighting 40% Total Marks 100 marks Context: This assessment focuses on developing your understanding of key chemical concepts related to health science. You will develop a range of skills as you research the various topics, including: knowledge, understanding and research. You will be able to exhibit depth of chemistry knowledge by applying the principles and concepts of chemistry. BHS102A_Assessment2_Brief_1.Docx Page 2 of 8 Instructions: Length: PART A 300 words +/- 10%, PART B 600 words +/- 10%, PARTC 600 words +/- 10%. Word count must be adhered to – any content over the above stated word limits will not be assessed. Note that headings, in-text citations and reference list are not included in the word limit. This is a report to be written adhering to academic style. There is no need to provide an abstract, methodology, etc. When writing the report, label each section as Part A, B and C and address the required questions. Label each question with the appropriate question number. You may include the question in your assignment, but this will not form part of the word count. Please familiarize yourself with academic style writing prior to writing this report. You can do this by accessing the Academic Writing Guide which can be located on your learning management portal. Please refer to the marking rubric to ensure you address all the assessment criteria. Referencing and formatting requirements: The assignment is to include in-text citations and a reference list following the APA referencing style. The APA referencing guide can be located in the Academic Writing Guide. A minimum of 5 references are to be included. These can include journals, books, reputable websites or videos. The assignment should be submitted in a Word, 12 font (Arial or Times New Roman) and 1.5 spacing document. Submission requirements 1. Assignments should be submitted as a document in word (.doc/.dox) or pdf (.pdf) format through your learning portal. 2. It is the student’s responsibility to ensure assignments are uploaded by the due date. 3. For all queries around the upload of your assignment, please contact the Learning Technology advisor. BHS102A_Assessment2_Brief_1.Docx Page 3 of 8 PART A - 300 words +/- 10% (20 marks) 1) Consider the following reaction at equilibrium Hb (aq) + O2 (g) HbO2 (aq) (a) Explain what is meant by a reaction at equilibrium. (2 marks) (b) Which direction will equilibrium shift if the O2 concentration is increased? (1 mark) (c) Which direction will equilibrium shift if the HbO2 concentration is increased? (1 mark) (d) In which direction will the equilibrium shift if the Hb concentration is decreased? (1 mark) (e) Name and briefly explain the principle you applied in answering b) - d). (2 marks) 2) Write the equilibrium constant expression for the reaction shown in question 1. (2 marks) 3) Calculate the equilibrium constant using the following concentrations [Hb] = 2.27 x 10-8 M, [O2] = 9.5 x 10-2 M and [HbO2] = 6.93 x 10-1 M. Your answer should be presented to two decimal places in exponential notation. (2 marks) 4) K values can be small, large or intermediate (close to 1). Explain what these values indicate in terms of the reaction, and reactants and products at equilibrium. (6 marks) 5) Explain the necessary requirements for a chemical reaction to take place. (3 marks) BHS102A_Assessment2_Brief_1.Docx Page 4 of 8 PART B - 600 words +/- 10% (30 marks) The combination of oxygen (O2) with hemoglobin (Hb), is a complex reaction, but for our purposes here, it can be represented by a simplified equation: Hb (aq) + O2 (g) HbO2 (aq) where HbO2 is oxyhemoglobin, the hemoglobin-oxygen complex that transports oxygen to tissues. Consider the above reaction and address the following: 1) Explain the connection between O2, Hb and red blood cells. (2 marks) 2) Hb transport protein requires a particular metal ion to effectively transport oxygen around the body. Research which ion this is and state if it is a cation or an anion. Discuss the significance of this ion in relation to oxygen transport. (3 marks) 3) Explain why O2 requires the transport protein Hb and state the percentage of oxygen transported around the body by Hb. (3 marks) 4) Explain where in the body the forward reaction and reverse reactions are most likely to occur, making reference to partial pressures of O2 in your explanation. (6 marks) 5) Carbon dioxide is a metabolic waste product. Explain the three ways in which carbon dioxide is transported around the body. (4 marks) 6) Write a chemical equation for the major way carbon dioxide is transported around the body and explain why this reaction is important in the human body. (4 marks) 7) Which way will the equilibrium shift for the reaction in Question 6 if carbon dioxide levels were higher than normal? What would be the consequences of this happening (from a chemical perspective) and how would this affect the health of an individual? (8 marks) BHS102A_Assessment2_Brief_1.Docx Page 5 of 8 PART C - 600 words +/-10% (30 marks) 1) Consider the 3 states of matter: solid, liquid and gas. Explain how temperature affects the 3 states of matter and describe the arrangement of particles and attractive forces in each state. (7 marks) 2) State the difference between an ionic bond and a covalent bond. (2 marks) 3) Provide the chemical structure and name for an ionic compound and a covalent compound. (4 marks) 4) State the difference between a non polar covalent and polar covalent bond. (2 marks) 5) Provide the chemical formula and name for a polar and nonpolar molecule. (4 marks) 6) Explain the following intermolecular forces of attraction between molecules: London dispersion, dipole-dipole and hydrogen bonding. (6 marks) 7) Consider the 2 molecules in Question 5. Explain the type of intermolecular forces of attraction that will exist between the nonpolar molecules and polar molecules. (5 marks) BHS102A_Assessment2_brief_1.docx Page 6 of 8 Learning Rubrics Assessment Attributes Fail (0-49%) Pass (50-64%) Credit (65-74) Distinction (75-84%) High Distinction (85-100% Grade Description A Fail grade will be awarded if a student is unable to demonstrate satisfactory academic performance in the subject or has failed to complete the required assessment points. Use of the academic referencing system is not evident. Pass is awarded for work showing a satisfactory achievement of all learning outcomes and an adequate understanding of theory and application of skills. Use of the academic referencing system is evident. Credit is awarded for work showing a more than satisfactory achievement of all learning outcomes and a more than adequate understanding of theory and application of skills. Competent use of the recommended academic referencing system. Distinction is awarded for work of superior quality in achieving all learning outcomes and a superior integration and understanding of theory and application of skills. Evidence of in-depth relevant research, reading, analysis and evaluation is demonstrated. The recommended academic referencing system is used consistently and accurately with minimal errors. High Distinction is awarded for outstanding quality in achieving all learning outcomes together with outstanding integration and understanding of theory and application of skills. Evidence of in-depth relevant research, reading, analysis, original and creative thought is demonstrated. The recommended academic referencing system is used consistently and accurately at all times. PART A 20 marks 0 - 9 10 – 12 13 – 14 15 – 16 17 – 20 Knowledge and understanding Limited understanding of required concepts and knowledge. Shows Basic understanding of required concepts and knowledge. Shows Thorough knowledge and understanding of required concepts. Highly developed knowledge and understanding of Sophisticated knowledge and understanding of BHS102A_Assessment2_brief_1.docx Page 7 of 8 inadequate knowledge of the topics to meet learning outcomes. adequate knowledge to meet the learning outcomes. Demonstrates a capacity explain and apply relevant concepts to meet learning outcomes. required concepts. Well demonstrated capacity to explain and apply relevant concepts. required concepts. Demonstrates an excellent capacity to explain and apply relevant concepts to meet learning outcomes. PART B 30 marks 0 – 14 15 – 19 20 – 22 23 – 25 26 - 30 Knowledge and understanding