UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level 5070/31 CHEMISTRY Paper 3 Practical Test October/November 2010 CONFIDENTIAL INSTRUCTIONS *4711088250* Great care should be taken to ensure that any confidential information given does not reach the candidates either directly or indirectly. The Supervisor’s attention is drawn to the form on page 7 which must be completed and returned with the scripts. If you have any problems
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Topic 6 Microscopic World II Unit 23 Shapes of molecules Unit 24 Bond polarity and intermolecular forces Key C o ncepts Microscopic World II Shapes of molecules • Covalent molecules with non-octet structures • Shapes of molecules • The VSEPR theory • Molecular crystals of buckminsterfullerene (C60) • Carbon nanotubes Bond polarity and intermolecular forces • Electronegativity and bond polarity • Van der Waals’ forces • Factors affecting the strength
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level CHEMISTRY Paper 1 Multiple Choice May/June 2005 1 hour Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 5070/01 w w w e tr .X m eP e ap .c rs om READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the answer
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Chapter 1: Intermolecular Forces: Liquids‚ Solids‚ and Phase Changes Chem 11: General Chemistry 2 Topics 1.1 An Overview of Physical States and Phase Changes 1.2 Quantitative Aspects of Phase Changes 1.3 Types of Intermolecular Forces 1.4 Properties of the Liquid State 1.5 Uniqueness of Water 1.6 The Solid State: Structure‚ Properties and Bonding A hot spring on a snowy day The Kinetic Molecular View of the Three States The characteristic properties of gases‚ liquids
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Appendix APPENDIX 1 Chemical tests for functional groups Homologous series/ Typical compound Functional group(s) Alkanes CH3CH3 ethane C – C and C–H Alkenes CH2 = CH2 ethene C=C Chemical tests/Observations Add liquid bromine in ultraviolet light (or sunlight): White fumes of HBr liberated; decolourisation of bromine occurs slowly (a) Add Br2 in CCl4 at room temperature: Decolourisation of bromine occurs immediately CH2 = CH2 + Br2 → CH2BrCH2Br (b) Add acidified
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I see the walls of my lovely house and I wonder whether there is any sense in cracks‚ rents‚ scratches that have changed its look through years. Dozens of nice pictures‚ photos‚ yellowed papers‚ attached to the aged wooden planks‚ so significant for my world awareness‚ so dear to my precious memory‚ – do they really have any meaning now‚ after many years from the time they actually got some particular importance? Why do they tell me so much‚ why do they rouse such a great attachment‚ such a true
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William ‘Bill’ Shakespeare’s The Tragedy of Hamlet‚ King of Denmark‚ a turn of the 16th century revenge tragedy play‚ is today still a relevant and delving tale‚ that stands as Bill’s reconceptualization of the genre. The genre was popular at the time of Hamlet’s creation‚ and thereby retains traditional elements of a revenge tragedy. However‚ and after adding many dramatic elements‚ a flicker of an Oedipus complex‚ and a touch of humor‚ Bill analyses and explores the revenge tragedy on a more complex
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1. What is the three-word definition of evolution? 2. What is macroevolution? 3. Who was the scientist that came up with inheritance of acquired characteristics? 4. What organisms did Darwin study that led him to the theory of natural selection? 5. What is Tiktaalik? 6. What are two tetrapod characteristics of Tiktaalik? 7. What is systematics? 8. What is this called? 9. What are synapomorphies? 10. Zygote _______ ________ _________ Growth 11
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Globalisation is the process whereby different countries in the world become interconnected and intergrated. Transportation is the movement of goods or people from one place to another. Improved transportation technology has reduced the time taken to transport‚ goods‚ materials‚ people and products from one place to another. Countries have built efficient transportation infrastructures such as highways‚ railways‚ seaports and airports to make it more efficient for goods and people to move around
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Developmental Education Exemptions Effective spring 2014‚ if you entered the ninth grade in a Florida public school in 2003 or after and earned a standard Florida high school diploma‚ or if you are a student who is serving as an active duty member of any branch of the U.S. Armed Services‚ you will not be required to take the placement test (P.E.R.T.) or enroll in developmental education at any Florida College System institution‚ including Florida State College at Jacksonville (per State Board
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