Physical and chemical ProPerties Physical and Chemical Properties Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. Substance Name Mg Cu Zn
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In Copper Sun‚ Amari is a happy teenage and she is a slave. She was engaged to the most handsome man in her African village. One morning Amari goes outside and her little brother kwasi was hanging from a tree being silly and Amari goes to get her mom some vegetables for breakfast and out of nowhere white men enters Amari’s village setting things on fire and killing people. After a while then men took chained and shackled her and put her into a slave ship. A few weeks later Amari was sold to a man
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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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Year 11 Module 1 – The Chemical Earth The Earth is made up of a large number of different substances: elements‚ compounds & mixtures We can classify elements & compounds as pure substances. These are always HOMOGENEOUS. Mixtures are not pure substances and can be either homogeneous or HETEROGENEOUS. Pure substances have a fixed composition eg copper metal‚ sulfur‚ carbon dioxide (CO2)‚ methane (CH4). Mixtures have variable composition and can also be separated into its components relatively
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Naming Chemical Formulas Chemical Nomenclature There are over 19 million known chemical substances. Without some type of system‚ naming these substances would be hopelessly complicated. The system used in naming substances is called chemical nomenclature. There are two major divisions to the International Union of Pure and Applied Chemistry (IUPAC) system: inorganic nomenclature organic nomenclature Organic compounds contain carbon‚ usually in combination with hydrogen‚ oxygen‚ nitrogen
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Its has unique chemical‚ physical‚ and geological properties. Nickel is used commercially in abundance‚ as it is used anywhere from simple art products such as ceramics to complex structures such as tubing for desalination plants. It is even used in the American five-cent coin‚ the "nickel".<br><br>Nickel was discovered by Axel Fredrik Cronstedt‚ in Sweden‚ during the year 1751. Mr. Cronstedt discovered nickel in a mineral called niccolite. He originally planned to extract copper from this new mineral
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This experimental procedure uses compounds from spinach leaves that are exposed to chromatography‚ TLC plate to indicate the different pigments within the spinach extract. ‘Column chromatography in chemistry is a method used to purify individual chemical compounds from mixtures of compounds’ (Wikipedia‚ 2011). This method is similar to thin layer chromatography‚ but the compounds in the mixture are collected separately. Green dye is used in this experiment that consists of blue and yellow constituents
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Observation of Chemical Change Course: General College Chemistry Purpose This experiment examines the reactions of common chemical s contained in consumer products. The purpose is to observe the macroscopic changes that these chemicals undergo. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. Procedure We do not have the ability to see with a naked eye individual atoms and molecules reacting during chemical changes
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Observation of Chemical Reactions Objective: This experiment is meant to show how certain chemicals react with each other and can be identified by these reactions Procedure: Several different chemical mixtures were poured into the well plate and observed. These included sodium bicarbonate and hydrochloric acid‚ bromothymol blue and hydrochloric acid‚ ammonia and bromothymol blue‚ hydrochloric acid and blue dye‚ blue dye and sodium hypochlorite‚ potassium iodide and lead nitrate‚ sodium hydroxide
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r Lab Report 5 Introduction to the Classes of Chemical Reactions Course: Chem. 1151L‚ Tuesday & Thursday June 23‚ 2011 Mr. Nasir Uddin Pre Lab Questions: 1. CaBr2 (aq) + K3PO4 (aq) → CA(PO4)2(S) + KBr (aq) = Ca3(PO4)2 + 6 KBr Double Replacement 2. Li(s) + O2(g) = Li2O(s) =2 Li2O Decomposition 3. CH4 + O2 = CO2 + H2O = CO2 + 2 H2O Combination 4. AgBr(s) = Ag (s) + Br2(l) = 2 Ag + Br2 Combination 5. Mg(s) + H2SO4 (aq) = MgSO4 + H2
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