Good Shepherd Academy Poblacion II‚ Victoria‚ Oriental Mindoro SY 2014-2015 “Anti-Mosquito Candle made from Oregano (Oreganum vugare) Oil” Submitted by: Jed Ivan F. Fiedalan Submitted to: Mr. Jeffrey L. San Diego Date: February 20‚ 2015 Table of Contents I. Title page…………………………………………………………………………..1 II. Table of Contents………………………………………………………………….2 III. Abstract……………………………………………………………………………4 IV. Research Plan……………………………………………………………………...5-7 a. Rationale……………………………………………………………………
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Use of Formalin and Other Additives in Foods Formalin is chemical compound that usually people used for durable human and animals corps. Nowadays‚ many people use it for durable foods‚ such as tofu and terasi. The use of formalin and other dangerous preservatives in foods has been a serious problem for three reasons. Firstly‚ formalin is not for human beings‚ but it is for biological specimen and experiments. It is not for food preservative. Of course when it is used for food preservative‚ it
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the faster the speed of the particles. The Biosphere‚ Lithosphere‚ Hydrosphere and Atmosphere contain mixtures of elements and compounds. • Biosphere – consists of all living organisms and their life cycles. The most abundant elements are oxygen (60%)‚ carbon (21%) and hydrogen (11%)‚ which are mostly found within the DNA of living things and organic compounds such as amino acids‚ carbohydrates‚ fats and proteins. • Atmosphere – is the layer of gas surrounding the earth and is a mixture
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Chapter 6: Chemical Bonds Section 6.1: Ionic Bonding Chemical bond: the force that holds atoms of elements and ions together to become a stable‚ new substance called a compound. -the number of valence electrons determines if an atom will form a chemical bond. -metals tend to give up electrons to other atoms. -nonmetals tend to take electrons from other atoms. -noble gases will not form a chemical bond because these atoms already have a full outer shell of energy. Ionization: the
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such away that its component cannot be change by simple distillation. Objective In this experiment we aim to demonstrate that we can separate two volatile compounds from a mixture due to the different chemical properties of each compound. We will accomplish this by a separation procedure known as distillation‚ which relies on each compound having a distinct and separate boiling point. Our pure products will be analyzed with gas chromatography to determine the success of the distillation. Data
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Group Member: Victoria Coe Due Date: May 2‚ 2011 Teacher: Louth‚ Ellen Mary Class: Chemistry 11 Ad Introduction: An empirical formula of a chemical compound is the ratio of atoms in simplest wholenumber terms of each present element in the compound. For example‚ Glucose is C H O ; it’s empirical formula is CH O. 6 12 6 2 A hydrate is a compound that is chemically combined with water molecules. In contrast‚ an anhydrate does not contain water‚ and has had all of its water removed.
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Background Information: There are many ionic compounds that contain one or more waters of hydration in their formulae. They exists either in anhydrous or hydrated form. Most anhydrous compounds have a strong tendency to absorb water from the humidity in the atmosphere and shifts into a hydrated form. Because of that phenomenon‚ those compounds are used to reduce moisture in places where water moisture can damage certain products. The anhydrous compounds are separated into three categories: hygroscopic
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issues required by the MLA sample essay and the sample provided by my instructor? Yes‚ I used the sample paper format to build my paper. Jennifer McPherson Professor Fernandez English 101 April 28‚ 2013 Compound Bow 101: Which bow is right? Robin Hood splitting his opponent’s arrow is one of the most iconic movie moments in 20th century cinema. However‚ until recently‚ archery lived on as a niche sporting market usually reserved for hunters. The interest
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Types of Chemical Reactions | Cartoon Book | In this booklet you will understand the nature of chemical reactions and reaction types. | Omolola Olaleye #10 | Block 2 Physics Week 13 Day 5 11/4/2011 | Standard: SPS2 Students will explore the nature of matter‚ its classifications‚ and its system for naming types of matter. | The Nature of Chemical Reactions Chemical reactions are everywhere! The food you eat and the oxygen you breathe change from during reactions inside your body
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Describe the difference between a mixture and a compound. A compound is a substance in which atoms of different elements are chemically held to one another. A mixture is a substance made by combining two or more different materials in such a way that no chemical reaction occurs. A mixture can usually be separated back into its original components‚ a compound cannot. Below are some examples of the differences between each. Compounds •Compounds are pure substances. •They are made up of two or more
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