Serena Contreras Advanced Chemistry period 2 Mrs. Horton
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AP Chemistry Lab 2: Analysis of Alum Lab Objective: In this lab we will analyze alum by two techniques in order to verify its identity. The melting point and the mole ratio of hydrated water to anhydrous aluminum potassium sulfate will be determined. Lab Procedure: 1. Use a mortar and pestle to crush alum. 2. Pack the alum in capillary tube‚ and then fasten it to the thermometer. 3. Fasten the thermometer to the ring stand. 4. Immerse the bottom of the
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AP Chemistry Period 1 Molecular Weight of a Condensable Vapor Lab Purpose: The purpose and objective of this lab was to find the molecular weight of a condensed vapor. Materials and Equipment: • Aluminum foil square (around 6cm on a side) • 125 mL flask • Barometer • 3 mL of unknown liquid • 200 mL graduated cylinder • 600 mL beaker • Pin • Balance (0.002g) • Bunsen Burner setup • Rubber band • Thermometer • Ceramic center wire gauze Procedure: 1. A 125 mL flask was obtained
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Polymer Chemistry Classification of Polymers – Notes prepared by The most common way of classifying polymers is to separate them into three groups - thermoplastics‚ thermosets‚ and elastomers5. The thermoplastics can be divided into two types - those that are crystalline and those that are amorphous. You may click on the words in the diagram below to learn more about these classifications. Thermoplastics Molecules in a thermoplastic are held together by relatively weak intermolecular
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Jamie Kim Mrs. Shaw Chemistry Honors 3 September 2014 Bubble Quality Lab Hypothesis: Bubble quality is most positively affected by the mixture of sugar and dish detergent due to the sticky consistency of sugar when emerged in liquid. Procedure: First of all‚ three cups were labelled according to their solution. Then‚ a teaspoon of dish soap and two-thirds of a cup of water was added and mixed to make cup#1. Next‚ a half teaspoon of table sugar was added to the same control solution and was
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Science Revision Notes Chemistry Atoms are the smallest particle of a particular element. Molecules are particles that contain 2 or more atoms joined together by chemical bonds. Elements are substances that are made up of only one type of atom. Compounds are substances form when two or more elements are joined chemically. Metals are solid at room temperature‚ with the exception of mercury. Metals are good conductors of electricity and heat. Metals can usually be melted at high temperatures. Non-metals
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Experiment 6 titled “Organic Chemistry” and the purpose of this lab is to get familiar with some organic functional group and test certain reactions of selected functional groups. To do the first part of the experiment (combustion test)‚ instructor demonstration in hood‚ and record the observation. Part A (combustion of toluene) pour 1 milliliter of toluene into a evaporating dish and ignite it with a flaming wood splint. Most importantly put the flame with a watchglass. Part B (combustion of ethyl
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CONCEPTS IN ORGANIC CHEMISTRY • Inductive Effect : Inductive effect is defined as permanent displacement of shared electron pair in a carbon chain towards more electronegative atom or group. Types of Inductive effect : 1.Negative Inductive Effect : (—I effect‚ Electron withdrawing effect) when an electronegative atom or group (more electro negative than hydrogen)is attached to the terminal of the carbon chain in a compound‚ the electrons are displaced in the direction of the attached
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Lab 2: The Chemistry of Life Name _____Aniqa Qureshi_ Insert the chemical symbol in the answer blank for each of the following elements. ___O______ 1. oxygen ___C______ 2. carbon ___K______ 3. potassium ___I______ 4. iodine ___H______ 5. hydrogen ___N______ 6. nitrogen ____Ca_____ 7. calcium ____Na_____ 8. sodium ____P_____ 9. phosphorus ____Mg_____ 10. magnesium ____Cl_____ 11. chloride ____Fe_____ 12. iron In the space below‚ list the chemicals (above) from the MOST
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Comprehensive chemistry practical class XII Acknowledgment: I owe a great many thanks to a great many people who helped and supported me during the project. My deepest thanks to ‚ the guide of the project for guiding and correcting various documents of mine with attention and care. She has taken pain to go through the project and make necessary correction as and when needed. I express my thanks to the principal‚ for extending his support. My deep sense of gratitude to the in charge of chemistry lab at CSE
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