Lab #5 Chemical Reactions & Balancing Equations Objectives Observe and classify several chemical and physical changes. Give evidence for the occurrence of a chemical reaction. Write a balanced equation for a chemical reaction. Identify a reaction as a combination‚ decomposition‚ replacement‚ or combustion reaction. Background Physical properties can be observed without changing the chemical composition of the substance. Common physical properties that can be measured without changing the chemical
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Miles Franklin’s My Brilliant Career (1901) and Henry Lawson’s famous short story The Drover’s Wife (1892) are distinctly embedded in the history of Australian literature. Within this essay‚ I will examine how these writers have contributed to the proliferation of nationalism and how their works are indicative of Australian rural life. To do this‚ I will firstly analyse Lawson’s interpretation of bush life and its significance in The Drover’s Wife; then‚ I will focus on the feminist aspect and how
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Chemistry Laboratory Report Classification of Chemical Substances Student: Saule Sadykova Lab Partner #1: Temirlan Atambaev Lab Partner #2: Almas Ospanbekov Instructor: Eugene Douglass Nazarbayev University Purpose The aim of this experiment is to investigate the properties of several substances with the purpose of determining whether they are molecular‚ ionic‚ macromolecular or metallic. Introduction Chemical substances could be named ionic‚ molecular or metallic substance‚ based
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novel‚ The Color Purple‚ by Alice Walker explores themes that irradiate the human condition: search for faith‚ the nature of human suffering‚ loss of innocence‚ and the exultation of the human spirit. The book delights the reader to a journey where the characters continually discover truth‚ love‚ beauty‚ and answers to the meaning of life. So if asked the question‚ ‘Which‚ out of all the summer reading novels‚ would you read next?’ my most truthful answer would be that I would reread The Color Purple
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University of San Carlos - Department of Chemical Engineering Chapter 1 An Introduction to Chemical Processing Products of Chemical Engineering University of San Carlos - Department of Chemical Engineering What is a Chemical Engineer? CHAPTER 1 University of San Carlos - Department of Chemical Engineering A Chemical Engineer is a… UNIVERSAL ENGINEER … breadth of scientific and technical knowledge … extremely versatile and able to handle a wide range of technical
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2. Know the factors involved in buying used small buses for sale Used small buses for sale can make an incredible tour bus for your group or small orchestra‚ allowing you to get all your band associates‚ roadies‚ and musical instruments between coasts in great comfort. Although this team bus for sale is small‚ it is strong and spacious and you can change the interior to meet your riding needs‚ as well. You can achieve this‚ by removing some of the seating and adding cabinets‚ tables‚ and even beds
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Color Blind I’ve been privileged enough to grow up color blind‚ and so has the younger generation in my family. That’s what happens when your great-great grandmother is white on your mother’s side‚ and great grandfather is Cherokee Indian on your father’s side. It has been said that if you have one percent of black blood in you‚ you were considered black. Due to the generational gap my father’s birth certificate says Colored‚ my mothers says Negro‚ and mine says African American. When I was asked
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markets. There should be made a choice between Denmark‚ Germany and Belgium. Because the job is far from completed No Sweat has hired yet again students to finish the work. No Sweat was very pleased with the work that has been finished on the new supplier. In this new case‚ we will look for a new exporting market for No Sweat and a new distribution channel in this market. Table of contents Chapter 1: Problem statement Chapter
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Data Tables: Part 1: Chemicals Well No. Observations of the Reaction A. NaHCO3 + HCl 1A Bubbles appeared for 5 seconds. Now clear in color‚ no bubbles B. HCl + BTB 2A Turned from clear to yellow C. NH3 + BTB 3A Turned from clear to dark blue D. HCl + blue dye 4A Turned from clear to green E. Blue dye + NaOCl 5A Turned from blue to light blue with the 1 drop of HCl 6A Turned from blue->light blue->yellow->light yellow->clear‚ transparent F. NaOCl + KI 7A Turned from clear to Light yellow
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Malazzo Date: 7/17/14 Exp 1: Observations of Chemical Changes Lab Section: 76426 Data Tables: Part 1: Chemicals Well No. Observations of the Reaction A. NaHCO3 + HCl no color change‚ some small bubbles formed B. HCl + BTB changed a yellowish orange color‚ no bubbles or precipitation C. NH3 + BTB changed a blue color D. HCl + blue dye changed a green color E. Blue dye + NaOCl no chemical change‚ only blue color appeared with the 1 drop of HCl blue
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