probably they too) have grown tired of the same food items on the menu: burgers‚ brats‚ and the occasional delivery pizza. You want to do something different and why not? If you are stumped on ideas‚ shake it up and try cooking authentic Mexican food. Mole is one of the most traditional dishes from our neighbors to the south and is a delicious place to start when deciding between Mexican recipes. It is a sauce that is widely considered to be difficult to prepare if you are not native to Mexico. But don’t
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Review for First Quarter Exam AP CHEMISTRY List of topics – Chapters: review‚ 1‚ 2‚ 3.1 and 3.2 1. Scientific Method 2. Significant Figures 3. Calculation with significant figures 4. Uncertainty 5. Density problems 6. Density Graphs interpretation 7. Dimensional Analysis 8. States of Matter 9. Classification of matter 10. Separation techniques 11. Structure of the atom a. historical development: Democritus; Aristotle; Dalton (postulates‚ law of definite proportions‚ law of multiple
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Lecture # 1 Organic Chemistry- 1. It is a science that deals with the study of Carbon compounds but not all compounds containing under organic compounds. Non-Organic Compounds a. CO- Carbon monoxide b. CO2- Carbon dioxide c. CO3- Carbonates d. HCO3- Hydrogen carbonates e. CN- -Cyanides 2. There are over millions of compounds and inorganic is approximately 100‚000. 3. A science that deals with matter obtained from natural or living sources. 4. Study of Carbon Compounds
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chemically and display different chemical properties after the change. * A chemical change is irreversible. Law of Conservation of Mass - In a chemical reaction‚ the mass of the products equals the mass of the reactants. (what you start with is what you will end with). Reactants - the starting substances in a chemical reaction Products - the substances that are formed after a reaction. Accuracy - The measure of how close a measurement comes to the actual or true value of whatever is measured
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ALCOHOLS Alcohols are compounds in which one or more hydrogen atoms in an alkane have been replaced by an -OH group. For the purposes of UK A level‚ we will only look at compounds containing one -OH group. For example: Primary alcohols In a primary (1°) alcohol‚ the carbon which carries the -OH group is only attached to one alkyl group Some examples of primary alcohols include: Secondary alcohols In a secondary (2°) alcohol‚ the carbon with the -OH group attached is joined directly to
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Profitability Ratios Return on Capital Employed (ROCE) or Return on Equity (ROE) Numerator – the net profit or income‚ usually taken before tax. Capital Employed or Shareholders Equity - Designed to indicate the effective use of the shareholders capital in the business with respect ot the net profits that they have generated over the period of concern. Net Profit/Income Percentage or Return on Sales Helps to identify the impact of administrative‚ selling and distribution costs on profit
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Observation of Different Photons when Elements are Heated Introduction: The bright line spectrum is the range of colorful lights that are emitted from an atom in its excited state. A “normal” atom‚ or an atom in its ground state‚ is when all of the atom’s electrons are in their proper energy level. When an atom is in its excited state‚ electrons jump to different energy levels making them unstable. As the electron tries to get back to its respective energy level‚ energy is emitted in the form
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there are unfortunate couples that can’t have even one. If the woman is pregnant everyone is very excited towards the baby especially the father. But what if the baby in your womb that you thought you has is not actually a real one; but a cluster of H-mole. The fetus or developing baby‚ the placenta (or after-birth)‚ which has many functions including the feeding of the baby and the removal of its waste products. The placenta is made of millions of cells called trophoblasts. These two parts normally
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Limiting Homework English 101 Stundents Under Stress In the article “Students under Stress” author Marcia Clemmitt points out that students who are undergoing stress in school is because of the increase of homework. Too much homework is causing an increase of problems for students. The increase of homework is causing students to be depressed‚ stressed‚ and pressured unnecessarily‚ especially for students at young ages causing them to have a negative view of school. The amount of homework
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Bird Wings and Paper Planes Lesson Plan by Kim Trinkle S.C. Science Standards: 8-1: The student will demonstrate an understanding of technological design and scientific inquiry‚ including process skills‚ mathematical thinking‚ controlled investigative design and analysis‚ and problem solving. 8-2.1: Explain how biological adaptations of populations enhance their survival in a particular environment. Have you ever noticed how wings of different species of birds are shaped differently? Even
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