Student Number Mark / 100 2011 TRIAL HSC EXAMINATION Chemistry General Instructions • • • • • • • Reading time – 5 minutes Working time – 3 hours Write using black or blue pen Draw diagrams using pencil Board-approved calculators may be used A data sheet and a Periodic Table are provided. Write your Student Number at the top of this page and those of pages 10 and 11. Total Marks – 100 Section I Pages 2 – 24 Confidential Keep Secure 75 marks This section has two parts‚ Part
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Department of Chemistry (September 2013 - August 2015) from the University of Brawijaya‚ Malang. Previously‚ I also completed my degree Diploma 3 Chemical Analysis in the Department of Chemistry (July 2005 - July 2008) of the UB. After graduating from the Diploma 3 Chemical Analysis‚ I have been working at PT. INVESTAMA TRUE SELF‚ Pasuruan as Quality Assurance (QA) in 2008 - 2010. In 2010‚ I got married and I have a daughter. In 2013‚ I decided to continue my studies to a Bachelor of Chemistry. When at
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Chemistry In Our Daily Life Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat‚ the air you breathe‚ your soap‚ your emotions and literally every object you can see or touch. We live in a world of matter. From the food that sustains our lives to various objects that have built up our physical culture‚ everything is made up of matter. The human body itself is a mixture of matter of differing types. The humans who used materials obtained from nature
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Food Chemistry What is food chemistry? Food chemistry is the application of the actual science that goes into the production‚ development‚ and actual creation of the foods we frequently consume. In reality‚ much more thought as well as actual science goes into the food production and consumption that we as a society divulge in so regularly. It is up to the food chemists to design the most efficient and fastest way to make and preserve both the appeal as well as the nutrition of the food. With
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1. | An experiment is carried out to determine the freezing point of naphthalene.Solid naphthalene is heated in a water bath until it melts completely. The initial temperature is recorded. Then molten naphthalene is left to cool. The reading of the temperature is recorded every 30 seconds. Figure below shows the recorded thermometer readings at 30 seconds intervals. Satu eksperimen dijalankan untuk menentukan takat beku naftalena. Pepejal naftalena dipanaskan di dalam kukus air sehingga melebur
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physical chemical properties essay Oakland Schools SCoPE Science Assessment Packet 7th Grade Unit 2 – Physical and Chemical Properties and Changes of Matter Assessment Packet Grade 7‚ Unit 2: Physical and Chemical Properties and Changes of Matter Overview This packet contains a set of assessment resources to be used with the Physical and Chemical Properties and Changes of Matter Unit of the 7th grade Scope Science Curriculum. A test blue print is
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Lab Report Marisa McKinney P. 2 Purpose: To investigate the periodic variation of density in Group 4A elements. Background: When the elements are arranged in order of increasing atomic number‚ they exhibit periodic recurrence of properties. Elements in the same group in the periodic table tend to have similar physical and chemical properties. These similarities are due‚ in large part‚ to similarities among the electron configurations of the elements in a group. You can find periodic
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Methanol(CH₃OH) is a simple compound which is also known as methyl alcohol or wood alcohol.Methanol is colourless‚flammable and most importantly very toxic.They are naturally produced from volcanic gases‚vegetation and microbes.They can also be produced in the industry by synthesizing gas.The largest and the most important use of methanol is as a feedstock in the plastic industry.They are used to make methanal and hence variety of plastics‚based on reactions with phenol‚carbamide(urea) and melamine
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that is solid at room temperature (25 °C). The metal has been heated until it turns to vapour. D Temperature / ºC C B A Time Which part of the graph represents the period of time when the metal is melting? © Cambridge University Press IGCSE Chemistry Self-assessment practice test 1 1 3 This diagram shows ice cubes floating on the surface in a glass of fizzy drink. ice cubes glass drink bubbles In which of these are the particles close together but free to move past each other? A B C
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3/4) * The name of the element in the periodic table that is dedicated to his work. (Level 3/4) * Who were John Newlands‚ Lothar Meyer and John Dalton? What happened to their discoveries? (Level 6) * Mendeleev wrote the Principles of Chemistry in 1870. What did he say about the elements? (Level 5) * What were Dimitri
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