ST ANDREW’S JUNIOR COLLEGE JC 2 Preliminary Examination CHEMISTRY 9647/03 Higher 2 13 September 2010 Paper 3 Free Response 2 hours Candidates answer on separate paper. Additional Materials: Answer paper‚ Graph Paper‚ Data Booklet READ THESE INSTRUCTIONS FIRST Write your name and civics group on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use a soft pencil for any diagrams‚ graphs or rough working. Do not use staples‚
Premium PH Carbon dioxide Hydrochloric acid
What is Chemistry? Chemistry is the study of matter and energy and the interactions between them. This is also the definition for physics‚ by the way. Chemistry and physics are specializations of physical science. Chemistry tends to focus on the properties of substances and the interactions between different types of matter‚ particularly reactions that involve electrons. Physics tends to focus more on the nuclear part of the atom‚ as well as the subatomic realm. Really‚ they are two sides of the
Premium Chemistry
The Competition Act 2010 is an act to promote economic development and protect consumers’ interest. It is implemented by the Malaysia Competition Commission (MyCC)‚ which was established under the Competition Commission Act 2010. This act was enacted by the Parliament of Malaysia in May 2010 and came into effect on 1 January 2012. The Competition Act 2010 is not meant to protect competitors. It is meant to ensure enterprises compete freely and fairly. Competition forces enterprises to be more efficient
Premium Malaysia Airlines Kuala Lumpur International Airport Kuala Lumpur
university of Business Agriculture and Technology Assignment No-01 Course name- General Chemistry “Topic” The importance of Chemistry in our daly life Submitted to Dr.Mohammad Harun-Ur-Rashid Submitted by Group-Royals Chemistry: The chemistry is the study of substances specially their structure‚ properties‚ transformations and the energy accompanying these transformation. Chemistry is very important within our daily lives. We are using it all of the time without even realizing
Premium Chemistry Chemical reaction
This Bonus Chapter accompanies Mastering Visual Basic 2010‚ which is available from www.sybex.com Bonus Chapter 2 Printing with Visual Basic 2010 Evangelos Petroutsos The topic of printing with Visual Basic is a not trivial‚ and many developers use third-party tools to add print capabilities to their applications. As you already know‚ there’s no control with built-in printing capabilities. It would be nice if certain controls‚ such as the TextBox or the ListView control‚ would print their
Premium Printing Subroutine Object-oriented programming
YORK UNIVERSITY FACULTY OF LIBERAL ARTS AND PROFESSIONAL STUDIES School of Administrative Studies PART B: AP/ADMS 4551 Auditing and Other Assurance Services Midterm Examination‚ February 21‚ 2010 9:30 a.m.-11:30 a.m. Part B will be distributed 70 minutes from the start of the exam. A YorkCard or acceptable photo identification is required as your identification for this examination. If you do not have identification documents‚ you will be required to personally bring these to your instructor
Premium Balance sheet Financial audit
A. Role of Chemistry in Society Applications of chemical science have contributed significantly to the advancement of human civilization (1‚ 2‚ 3). With a growing understanding and ability to manipulate chemical molecules‚ the post-World War II chemist was considered a societal problem solver. They synthesized crop-enhancing agricultural chemicals to ensure a constant and viable food supply. They played a significant role in the eradication of deadly diseases by developing life-saving pharmaceuticals
Premium Chemistry
ALCHEMY TO CHEMISTRY Can we say that alchemy and chemistry are two different things? Actually no‚ we can’t. Alchemy is the pioneer of today’s modern chemistry. As the time passed alchemy has changed and developed to form Chemistry. Therefore we shouldn’t think that they are two different subjects. In this article‚ first of all you will learn how alchemy was found and evolved .After that how it transitioned from alchemy to chemistry and finally the similarities and differences between them.
Free Chemistry
The chemistry of life Cell chemistry is hierarchical Inorganic precursors Small organic molecules Macromolecules Supramolecular structures Organelles/structures Cell BIO 1140 – SLIDE 1 Review of macromolecules Carbohydrates Polymers of monosaccharides (polysaccharides) Energy storage Structural chitin starch glycogen Purple pages F23 cellulose BIO 1140 – SLIDE 2 http://www.mpie.de/index.php?id=2957 Monosaccharides CnH2nOn n = 3 to 7 Trioses‚ pentoses and hexoses
Free DNA Protein Amino acid
Everything you need to know about hydrocarbons INTRODUCTION: organic chemistry Organic chemistry is the chemistry of compounds that contain carbon and hydrogen. The element carbon has a special role in chemistry because it bonds with other carbon atoms to give a vast array of molecules. The varity of molecules is so great that we find organic compounds in many common products we use‚ such as gasoline‚ medicines‚ shampoos‚ plastic bottles‚ and perfumes. The food we eat is composed of different
Premium Methane Carbon Hydrocarbon