Acids And BAses Acids And BAses 8.1 8.2 8.3 8.4 18.1 18.2 18.3 18.4 18.5 Theories of acids and bases Properties of acids and bases Strong and weak acids & bases The pH scale Calculations involving acids and bases (AHL) Buffer solutions (AHL) Salt hydrolysis (AHL) Acid-base titrations (AHL) Indicators (AHL) 8 8.1 THeORies OF Acids And BAses 8.1.1 Define acids and bases according to the Brønsted–Lowry and Lewis theories. 8.1.2 Deduce whether or not a species could act as a Brønsted–Lowry
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Lacsap’s Fractions IB Math SL SL Type 1 December 11‚ 2012 Lacsap’s Fractions: Lacsap is Pascal backwards and the way that Lacsap’s fractions are presented is fairly similar to Pascal’s triangle. Thus‚ various aspects of Pascal’s triangle can be applied in Lacsap’s fraction. To determine the numerators: To determine the numerator (n)‚ consider it in relation to the number of the row (r) that it is a part of. Consider the five rows below: Row 1
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people than other products‚ whose prices have stayed unchanged‚ and so it is likely that consumers will purchase more of the product‚ substituting it for products that were previously purchased. The non-price determinants of demand There are a number of factors that determine
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An The Commentary - a rough guide What is a ’commentary’? A commentary is a close analysis of a passage or a short work. More than a summary‚ it must investigate both the content and the language‚ i.e. WHAT the passage/poem achieves and HOW it achieves it‚ and the relationship they have with each other. It describes the writer’s intentions‚ effects and how he or she accomplishes them. In addition to detailed analytical skills‚ you need also to demonstrate an ability to construct a line of
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Is America Number One? The two concepts I learned from this video were the standard of living is different in different countries of the world and freedom. For example‚ in the video it mentioned the United States‚ Hong Kong‚ and India. All of which that have different standards of living. In India there are a lot of poor people and the living conditions are far worse than Hong Kong and the United States. That is mostly due to the overpopulation in India and they cannot simply meet the demands of
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perspective as he or she decides what should be asserted and what shouldn’t. What can be dismissed without evidence and who can dismiss this evidence? To what extent does perception matter in what should be asserted and what shouldn’t? There are a number of significant points that arise from Hitchens’ quote and can be answered by examples in AoKs though there is no certain answer at the end of it. Theories are a combination of evidence and refutation. When individuals create theories‚ they either
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Number The Stars Unit Exam In the book‚ Annemarie and Ellen would definitely agree with Helen Keller’s quote because Annemarie and Ellen went through the German occupation times together and never gave up on each other. Annemarie and Ellen had a great bond and did many sacrifices for each other. They would rather be with each other in dangerous events than be safe and alone. In the book‚ they demonstrate that kind of strong friendship by doing very brave and remarkable things in many scenes in
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THE REAL NUMBER SYSTEM The real number system evolved over time by expanding the notion of what we mean by the word “number.” At first‚ “number” meant something you could count‚ like how many sheep a farmer owns. These are called the natural numbers‚ or sometimes the counting numbers. Natural Numbers or “Counting Numbers” 1‚ 2‚ 3‚ 4‚ 5‚ . . . * The use of three dots at the end of the list is a common mathematical notation to indicate that the list keeps going forever. At some point‚ the
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he number theory or number systems happens to be the back bone for CAT preparation. Number systems not only form the basis of most calculations and other systems in mathematics‚ but also it forms a major percentage of the CAT quantitative section. The reason for that is the ability of examiner to formulate tough conceptual questions and puzzles from this section. In number systems there are hundreds of concepts and variations‚ along with various logics attached to them‚ which makes this seemingly
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of “Complex and Imaginary Numbers” and its applications. I chose the topic “Complex and Imaginary Numbers” because I am interested in mathematics that is hard to be pictured in your mind‚ unlike geometry or equations. An imaginary number is the square root of a negative number. That is why they are called imaginary‚ what René Descartes called them‚ because he thought such a number could not exist. In this paper‚ I will discuss how complex numbers and imaginary numbers were discovered‚ the interesting
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