Chemical Substance Essay Examples
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The Production and Consumption of Sugar The production of sugar has shaped our world throughout the centuries. From its humble beginning, to its royal induction it has now made a household name as a necessity. It has changed our society into sugar addicts with a never ending urge for sweetness. Production of this craving has […]
Abstraction Determining the melting point is very significant in order to identify an unknown. In this experiment, measuring the melting point was done by using melting point apparatus. The melting point of the unknown sample #10 was 111. 5 C. There were two possible compounds which were dibenzoyl ethylene and o-Toluic acid because their melting […]
I recorded c. I allowed the test tube to cool before storing so the well plate plastic didn’t melt and start a fire because I do not have renters insurance. 4. Second test tube: a. I added cold water to fill the test tube h. I stirred with the glass stirring rod. B. I lit […]
Planning: * There are many ways in which to find out what ions are contained in different compounds. When substance is mixed to make solution, precipitation reactions and reactions with gas specifically are very useful to help us out with identifying which ions are contains in the substances. This test is for negative ions. * […]
Answer: the Impacts chemistry have on a society Is huge. Every single material that we come In contact with, In our dally Fife Is composed of chemicals there are negative and positive effects of chemistry but the negative effect Is mainly due to the Inability of a man to think carefully first of all lets […]
The birth of the modern atomic theory. In 1750, Rudder Bishopric, a scientist born in what is now Croatia, suggested the theory that atoms were “uncountable” might have been wrong. Obsolesce thought that atoms contain smaller parts, which In turn contain still smaller parts. And so forth down to the fundamental building blocks of matter. […]
Chemistry is very vital because it helps us to know the composition and changes of matter. Every single day of our life passes through chemistry in many ways. Human body works through the chemical reactions happening inside it. When we breathe, eat and sleep there’s still the presence of chemistry. The oxygen and foods we […]
The Chemistry of Fireworks BY craggy A firework is an incendiary device or material that can be used forestalling reinstatement. There are chemicals located in the nose of the rocket that explode, producing the colors seen. The art of fireworks, first originated in ancient China, with thefts explosive being made from a mixture of black […]
The emotions that you feel are a result of chemical messengers, primarily neurotransmitters. Love, Jealousy, envy, infatuation and infidelity all share a basis in chemistry. Why Onions Make You Cry Marcelo Briton Folio They sit there, so harmless-looking on the kitchen counter. Yet as soon as you cut an onion, the tears begin to fall. […]
Properties of Gases Purpose: The purpose of this lab is to investigate some physical and chemical properties of gases and to use these properties to identify these gases when they are encountered. Hypothesis: This experiment was for observational purposes to learn about the physical and chemical properties of gases, no hypothesis was required In order […]
It Is Imperative that two main rules are always ollowed when conducting a qualitative analysis . The first rule is that the instructions must be followed exactly. The second rule is that a known positive test and a known negative test should always be performed for a comparative visual analysis. If these rules are broken, […]
Amines are a type of hydrocarbon derivative, and they are used In many ways In society. Several companies use amines in products such as drugs and medicines. Also, in nature, amino acids help the body make proteins, and amines are found in many vitamins. For example, DOW Chemicals “plays an important role in commonly used […]
Introduction This chapter includes the prevailing job state of affairs based on observations. besides. the aims. range and restriction. significance of the survey. definition of footings and conceptual model are included. Background of the survey Students in assorted parts of the Dasmarinas are happening troubles in securing proper and economical equipment for their experiments and […]
Introduction Acid rain has become an environmental concern of global importance within the last decade. With the increasing environmental awareness of the “unhealthy” condition of our planet earth the concern about acid rain has not lessened. In brief, acid rain is rain with pH values of less than 5.6. When dealing with acid rain one […]
Chemistry plays an important part in studying Biology. It answers some questions that Biology could not explain alone. Questions like: How does an organism convert foods for energy? How do plants use sunlight and water into all the things that cells needed to grow and reproduce? How does the basic unit of life passed through […]
Lab Report : Determination of a chemical formula: the empirical formula of Magnesium Oxide 1. Purpose: Determine the empirical formula of magnesium oxide from the percent composition (this can found using the Analytical Method and the Synthesis Method) Introduction: In the late eighteenth century, combustion has been studied extensively. In fact, according to Steven and […]
A compound is a chemical substance that consists of several (minimum two) elements. The compound has defined structure, chemical and physical properties. These are typically found in chemistry or physics books. The constituents of the compound can not be separated by physical method, for instance, boiling, freezing, sieving, or gravity thickening. The elements lose their […]
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 […]
Laboratory Assignment: Using a Top Loading Balance How is the balance turned on? To turn on the top loading balance, press down on the bar that is on the front of the machine. Write a complete and accurate procedure for weighing a chemical on the top loading balance. To weigh a chemical using the top […]
In this first lab we attempted to discover which of the materials given to us were hydrates by heating them and then dissolving them in water. Our results showed that all of our substances were hydrates besides the sucrose, sucrose if the only one which did not both bring condensation when heated and dissolve in […]
ABSTRACT This investigatory project was conducted to test the effectivity of organic and synthetic fertilizers when apply on okra plant. It also aims to test whether, which is better to use between the two fertilizers. In order to conduct the study, we have used okra seeds, polyethylene bag, and dried leaves as organic fertilizer, synthetic […]
Chemical Engineer An Engineer who manufactures chemicals A Chemist who works in a factory A glorified Plumber? This is actually a trick question as the correct answer is “None of the above. ‘ 0 More typically, chemical engineers concern themselves with the chemical processes that turn raw materials into valuable products. The necessary skills encompass […]
