Chemistry

In Mrs. Caushon's Chemistry Class, there are many bright and eager students ready to learn about the wonders of chemistry and the properties of many elements, and in this experiment, the students will be mixing the Metal Sodium with some Water for an interesting chemical reacting, the students we will be focusing on in this story are the two sophomores, Walter Lazee and Jane Dull. "Alright Class!" Mrs. Caushon said in a raised voice. "We are going to be Testing some Chemical reactions today in…

Chemistry As Carl Sagan once said, “Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon contact with water. Together, they make a placid and non-poisonous substance, table salt. Why each of these substances has the properties it does is a subject called chemistry.” Chemistry involves many things, from atoms to elements and their functions. It is a wide field of science with an extensive early and modern history. It also…

atoms based upon measurable properties of mass. Later on Dalton introduced his belief that atoms of different elements could be universally distinguished based on their varying atomic weights. John Dalton's research not only changed the face of chemistry but also initiated its progression into a modern science. In 1869 Dmitri Mendeleev discovered that the properties of elements "were periodic functions of the their atomic weights.” This later on became known as the “Periodic Law.” At his…

CHAPTER 5 RESEARCH METHODOLOGY: Materials and Chemicals • Tin Oxide coated glass electrodes, 3 mm thick, 14 Ω/□, Pilkington • Anatase TiO2 nanoparticle colloid, Ti-Nanoxide D/SP, Solaronix Particle size 15-20nm with >100nm diffusing particles. • Black Dye N749, Ruthenizer 620-1H3TBA, Solaronix • Electrolyte: Iodolyte Z-150, Solaronix • Acetonitrile anhydrous 99.8%, Sigma-Aldrich • tert-Butanol - anhydrous ≥99.5%, Sigma-Aldrich • Deoxycholic acid ≥99%, Sigma-Aldrich • Titanium (IV)…

Analysis of Galvanized Nails, Quality Control, and Green Chemistry Introduction: In this lab, we handled acidic chemicals that needed to be disposed of upon completion of the lab. We disposed of these chemicals according to safety policies and green chemistry policies. Green Chemistry is the practice of chemistry in an environmentally safe way to prevent pollution. We used green chemistry to minimize the amount of waste we were to be creating. We ended up creating waste from degalvanizing…

1. a. My data demonstrated the law of conservation of mass in part 5 of the experiment, dissolving sugar in water. The law of conservation mass states that matter cannot be created or destroyed by can enter or leave the system. The system’s change in mass was 0.00 grams, resulting in support of this statement. The balance had an uncertainty of 0.05 grams. b. With this experiment, we had a closed environment within the vial, not allowing any particles to come in or out, further explaining why…

There are both similarities and differences between the crystal structures and crystal chemistry of quartz, α-FePO4 and β-FePO4. One of the observed differences is that when the quartz is present at different temperatures. The α-FePO4 phase when present at low temperatures, tend towards the values obtained for β-FePO4 at high temperature. In addition, this case is true for all α quartz when at low temperature, in that it will tend to the values obtained for its respective β quartz experienced at…

dangerous situations, even though they are not proven to increase our probability of a specified event. George Gmelch and Richard Felsen released an article pertaining this subject. The article, entitled “Can a Lucky Charm Get You Through Organic Chemistry”, gave the general public a somewhat easy-to-read article, which provided an experimental result about how many people believe in magic and what they believe about it. By analyzing the article, it can be seen that the experiment covered…

(potassium nitrate. They found this mixture would suddenly erupt into flame when heated. Later on, honey was replaced with charcoal, where the sulfur and charcoal would act as fuels in the reaction, and the potassium nitrate was an oxidising agent (The Chemistry of Fireworks). Fireworks are not a simple thing to make, they require a lot of careful preparation and science. Each firework has a precisely formed assembly of chemicals and fuel to produce a particular effect. To understand how the…

setting examples for the whole world. Such products are created by scientists that use a combination of chemicals and mixtures to assemble this commodity. Due to history and past experimentation, the testing of mascara illustrates the concepts of Chemistry. Mascara has been an existing factor within society for millions of years. For example, ancient Egyptians used a black mixture to coat their eyelashes and use as an artifact of makeup. In evidence, “Egyptians lined their eyes with kohl and…