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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Pioneer Square Observation Report In Pioneer square there are many places to sit and observe the people whom pass by‚ but perhaps one of the most interesting places to go is the food court inside the pioneer square mall. I found that the best time to observe all the micro cultures was at lunch time‚ when people take a break from their busy lives to come and enjoy a lunch from a variety of choices. The environment is one of the other things that I was able to notice right away‚ not only the setting
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How does light intensity affect the rate of photosynthesis? Does the amount of light intensity increase the rate of photosynthesis in a pondweed? Design aspect 1 Introduction My investigation will be centered on measuring the rate of photosynthesis and whether or not light intensity will affect it. The formula of photosynthesis is Carbon dioxide + water oxygen + glucose with the arrow referring to light energy as a means to convert the CO2 and H2O into oxygen and glucose. Logically‚ one would
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M11/5/MATME/SP1/ENG/TZ1/XX 22117303 mathematics STANDARD level Paper 1 Candidate session number 0 0 Wednesday 4 May 2011 (afternoon) Examination code 2 1 hour 30 minutes 2 1 1 – 7 3 0 3 instructions to candidates Write your session number in the boxes above. not open this examination paper until instructed to do so. Do You are not permitted access to any calculator for this paper. Section A: answer all questions in the boxes
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Cyclone devastates Australia’s banana crop- Practice IA Introduction to theory: Demand and supply are basic economic theories that can help the government and producers make informed decisions like how much to produce‚ and the price they set for products. Connection to article: The recent Cyclone Larry has affected crops in Australia‚ decreasing their supply of bananas drastically‚ as well as causing a decrease in the employment of workers in the banana industry. Analysis: Demand is the curve that
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Student Name: Zack Salem General Aim: Factors that affect vital capacity. Research Question: Does a long distance runner have larger vital capacity than short distance runner? Background Information: This is an experiment to see if long distance runners have a larger vital capacity than short distance runners and why so‚ if it is true. Independent variables: The runners. Dependent variables: The average measure of vital capacity after trials of blowing as hard as possible into a spirometer.
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UNIT IB – FAQs 1. Outline signs that could indicate to an employer that an employee has an alcohol problem. (10) The signs that could indicate to an employer that an employee has an alcohol problem 1. The specific sign such as mood changes. 2. The unusual irritability or aggressive or erratic behavior. 3. A tendency to become confused. 4. Abnormal fluctuations in concentration and energy levels. 5. Impaired job performance and hence reduced productivity. 6. A tendency to suffer an increased
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Economics IA Commentary Coversheet Economics Commentary Number: | HL Number 1 | Title of Extract: | UK Unemployment | Source of Extract: | HRM – Human Resource Management | Date of Extract: | 11th of November 2009 | Word Count: | 661 | Date Commentary was written: | 28/11/2009 | Section of Syllabus that the Commentary relates to: | Section 3.5 - Unemployment | Candidate Name: | Yuriy Boldyrev | Candidate Number: | 001124003 | *Note: Commentaries should be read in chronological
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When glucose levels are high: insulin receptors --place glucose receptors on membrane to allow glucose - glucose into cell. In the bonds of glucose‚ energy is placed. but isn’t useable. need to destroy the glucose in controlled way. Organic compounds used. ATP is useable energy. Active transport uses ATP‚ changes shape of proteins‚ going against conc. gradient‚ changes form atp to adp +Pi as one phosphate group lost. Mitochondria double membrane inner membrane space ribosomes
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When should we discard explanations that are intuitively appealing? Intuition is a moment of insight when one makes decisions without going through any conscious or deliberate process of reasoning. The process of intuition isn’t fully understood‚ sometimes referred to as a ‘gut feeling’ and it is a phenomenon which can only be explained by the sub-conscious‚ or by accepting that sometimes knowledge is not procured by an active systematic process. There are several types of intuition – core intuitions
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