• The equilibrium law DYNAMIC EQUILIBRIUM forward A +8 reaction ""r=====~’~ reverse reaction Most chemical reactions do not go to completion. Once some products are formed the reverse reaction can take place to reform the reactants. In a closed system the concentrations of all the reactants and products will eventually become constant. Such a system is said to be in a state of dynamic equilibrium. The forward and reverse reactions continue to occur‚ but at equilibrium
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Main paper 2010 (Answer all questions on paper) Section A (1) Outline the facts of Carlill v Carbolic Smoke Ball‚ what area does it relate to and what principles does it outline? (2) Partridge v Crittenden outlines which contractual principle? (3) What is an invitation to treat? Use cases to back up your answer. (4) What is the postal rule? Use cases to back up your answer. (5) What does ADR stand for? Give examples of the general advantages of ADR. (6) What are main types and related advantages
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When hydrates are heated‚ the water of hydration evaporates and is released as vapor. The remaining solid is known as the anhydrous salt‚ which is the compound same compound without the water molecules trapped inside. Title: The title of the lab should be at the top of the lab report. Purpose: In one or two complete sentences‚ state the purpose of this laboratory investigation. Materials: List all of the materials (balance‚ crucible‚ etc.) used in this lab Procedure: Include
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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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www.ccsenet.org/ijc International Journal of Chemistry Vol. 2‚ No. 2; August 2010 One-pot Preparation of β–amino Carbonyl Compounds by Mannich Reaction Using MgO/ZrO2 as Effective and Reusable Catalyst Deepak.M. Nagrik (Corresponding author) Department of Chemistry‚ PLIT and MS Buldana-443001‚ M.S.‚ India E-mail: dmnagrik@rediffmail.com D.M.Ambhore P.G.Department of Chemistry‚ Jijamata Mahavidyalaya Buldana-443001‚ M.S.‚ India Manoj.B. Gawande (Corresponding author) Departamento de Química
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THIS FILE DOWNLOADED FROM THE IB NOTES SITE: http://ibnotes.tripod.com/ TOPIC 2— MECHANICS FOUNDATIONS: • • • Displacement— A measured distance in a given direction— tells us not only the distance of an object from a particular reference point‚ but also the direction from the reference point— is a vector. Velocity— Is speed in a given direction‚ and is also a vector. Acceleration— is the rate of change of velocity in a given direction (velocity/time). The unit in SI is metres per second
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Chemistry * a science that dealing with the structure‚ composition and properties of items and with the transformations that they undergo * the composition and chemical properties of a substance * chemical processes and phenomena (as of an organism) Examples: - Digestion; enzymes promoting chemical reactions that power our bodies. Lifting your arm requires your body to make and burn ATP using oxygen with carbon dioxide as one of the waste gases produced. - The internal combustion
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Quantitative datarelating to‚ measuring‚ or measured by the quantity of something rather than its quality Qualitative data relating to‚ measuring‚ or measured by the quality of something rather than its quantity Strengths of qualitative data: Qualitative research provides more insight into the sampled data‚ as their open ended nature mean they are less limiting of the information provided; they also eliminate the a priori assumptions used in quantitative data Limitations of qualitative
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relation to these events. Hamlet’s first soliloquy of the play is filled with his reflection on familial matters‚ namely his mother’s hasty marriage to Claudius‚ and how religion has failed him. Shakespeare has used this soliloquy in Act 1 of Scene 2 in order for the audience to understand Hamlet’s grief‚ why his attitude towards women is often negative‚ and to foreshadow the religious influence which the play has in forthcoming scenes. Hamlet’s soliloquy commences with his reflection on death
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M10/3/HISTX/BP1/ENG/TZ0/XX/S3/M MARKSCHEME May 2010 HISTORY ROUTE 2 Higher Level and Standard Level Paper 1 – Communism in crisis 1976–89 7 pages -2- M10/3/HISTX/BP1/ENG/TZ0/XX/S3/M This markscheme is confidential and for the exclusive use of exa miners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. -3- M10/3/HISTX/BP1/ENG/TZ0/XX/S3/M
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