Physical & Chemical Properties Data Table 1: Solubility or Reaction Substance Name Color Odor Effect of Heat Cold Water Hot Water Litmus test Dilute HCl Dilute NaOH Mg Silver None None None None Base Fizzes‚ gas‚ increased temperature None Cu Brown None None None None Base None None Zn Silver None None None None Base Fizzes None MgO White Slight odor None None Bubbles Base Dissolves‚ turns yellow‚ increased temperature None CuCO3 Green None Melts
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Observations of Chemical Changes Purpose: The purpose of this experiment is to predict and examine chemical changes/reactions among common chemicals found in consumer products at a macroscopic level. Procedure: The procedure of this experiment was to carefully mix different chemicals together using the chemical filled pipettes and the 96-well plate and determining what chemical reactions occurred. Data Table: Observations of Chemical Changes Experiment 1: Observations of Chemical Reactions |
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McDonald 1 Chemical and Biological Weapons: World at War Matthew McDonald Mrs. Jones English I 4 March 2015 McDonald 2 Chemical and Biological Weapons: World at War THESIS STATEMENT: Chemical and biological weapons are necessary because they strike fear in the enemies‚ effective in their power‚ and can be used as population control. I. Introduction A. Background Information B. Thesis Statement II. Strike fear into your enemies A. Fear of retaliation
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Abstract: The objective of Experiment 1 was to observe some chemical changes. While observing the chemical changes in elements I also experimented with household cleaners to see how much chemical properties relate to our daily lives. Chemical changes occur all around me and I go without noticing them all the time without a second thought. This experiment opens my eyes to different chemical reactions occurring around me. This experiment also shows the importance of dilution. If I did not dilute something
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Name: Jeanne Yoo|Date: 07/15/13| Exp 1: Observations of Chemical Changes|Lab Section: 1411-76426| Data Tables: Part 1: |Chemicals|Well No.|Observations of the Reaction| A.|NaHCO3 + HCl|1 |clear bubbles formed| B.|HCl + BTB|2 |turned orange after BTB was added‚ transparent‚ acidic| C.|NH3 + BTB|3 |turned dark blue after BTB was added‚ opaque‚ basic| D.|HCl + blue dye| |blue dye was missing from kit| E.|Blue dye + NaOCl| |blue dye was missing from kit| | with the 1 drop of HCl| ||
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seventh but more impressive is their growth which is twice the overall export growth of Pakistan. Basic Chemical manufacturer may be defined as production of drugs and chemical by synthesis‚ fermentation or extraction from naturally occurring materials of biological or mineral origin. Unfortunately‚ while the pharmaceutical formulation industry has grown at a relatively rapidly pace‚ the basic chemical industry in Pakistan has lagged behind. Basic manufacturer is dependent upon a reasonably well-developed
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Balancing chemical equations 1. Complete the following sentences‚ using the words or groups of words in the box below. You may use some words more than once. |• as small as possible |• decrease |• molecules |• quantities | |• balance |• different |• nature |• rearranging | |• bonds |• equal
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Appendix B: Methodology GridIndicated Ratings Appendix C: Observations and Outliers for Grid Mapping Appendix D: Chemical Industry Overview Appendix E: Key Rating Issues over the Intermediate Term 1 3 5 8 Corporate Finance December 2009 Moody’s Global Global Chemical Industry Summary This rating methodology explains Moody’s approach to assessing credit risk for global chemical companies. This document replaces a previous publication from February 2006. The grid for the rating methodology
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I did this lab to find out the differences between chemical and physical changes. I also did this lab to learn the signs that would indicate the chemical reactions and physical changes. I needed to learn the odor change‚ color change‚ bubbles or gas‚ irreversible‚ temperature changes and finger prints. By the end of the lab‚ my goal was to be able to didtinguish easily the difference between chemical and physical changes. Question #1 answer. 1. Gas. 2. Dissolved in water. 3
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Name: Keziah V. Cuyom Section: 9 - Malaya Topic: Types of Chemical Reaction A chemical reaction is a process that is usually characterized by a chemical change in which the starting materials (reactants) are different from the products. Chemical reactions tend to involve the motion of electrons‚ leading to the formation and breaking of chemical bonds. There are several different types of chemical reactions and more than one way of classifying them. Here are some common reaction types. However‚ if
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