Factors Affecting Ancient Egyptian Wall Paintings

The goal of the experiment is to synthesize a bromohexane compound from 1-hexene and HBr(aq) under reflux conditions and use the silver nitrate and sodium iodide tests to determine if the product is a primary or secondary hydrocarbon. The heterogeneous reaction mixture contains 1-hexene, 48% HBr(aq), and tetrabutylammonium bromide and was heated to under reflux conditions. Heating under reflux means that the reaction mixture is heated at its boiling point so that the reaction can proceed at a faster rate. The attached reflux condenser allows volatile substances to return to the reaction flask so that no material is lost. Since alkenes are immiscible with concentrated HBr, tetrabutylammonium bromide is used as a phase-transfer catalyst.

Sodium Bicarbonate mixed with Hydrochloric acid. The chemical reaction observed showed that there was fizzing and bubbling, this is evidence that a new gas was being produced. This new gas, CO2 was generated from the reaction. After the fizzing stopped a liquid was leftover leading me to conclude the liquid leftover leading me to conclude the liquid leftover was the NaCl and H2O 4. You found a sample of a solution that has a faint odor resembling vinegar (an acid).

The author claims that the body of the Pharaoh - the anthropo-cosmic man (which is itself a transcendent concept) is the model for the Egyptian temple. Therefore, the human body becomes the blueprint for Egyptian sacred architecture. This work has provided me with illustrations and findings that have enabled me to study the parallels between ancient Egyptian symbolism and their influence on modern artists and also to account for the fetishinzation of Quenn Cleopatra’s nose by Uderzo and

These forces cause the limestone to change in texture and make-up. This process is called “re-crystallization”.(marble 9) Marble Formula The Marble is a carbonate rock which means it has (CO3) in chemistry.

Research Needed These are the things I need to research further: History I need to research more on the history of Egypt. I need to researchits ancient leaders, the religious leaders, political views and the government system. I also need to research the ancient structures and designs in Egypt.

Delamare [13] suggested that two different physical processes could have been involved in the formation of Egyptian blue crystals depending on the amount of the alkali included in the mixture. In the first, when alkali was added at the few percent level, a liquid or glass phase was formed from which the Egyptian blue crystals nucleated and grew. In contrast, when the alkali content was insufficient to produce a significant liquid or glass phase, the Egyptian blue crystals were formed by surface diffusion between the three components, that is, by solid-state sintering. Copper ions are the coloring agent; they are very tightly bound in the stable silicate matrix and cannot be removed easily by chemical and physical means, this tight binding is the key to the high stability of Egyptian Blue

The dehydration of 2-methylcyclohexanol takes place at the bottom of the Hickman still. As the Hickman still heats up within the sand bath, the products evaporate and travel higher up in the still where they condense into a liquid and fall within the collection ring, thus separating the product from the remaining water. Drierite (CaSO4) is also added as a drying agent to absorb any leftover water within the product. The purity of the product will then be analyzed with infrared spectroscopy, paying attention to OH peak if it is present. Chemical Reactions: Data and Observations: Material Volume Mol.

However, those with the misfortune to be born to the purple involved in porphyria--a group of diseases that result from abnormal accumulations of red and purple pigments produced by the body, called porphyrins. Ref: www.scientificamerican.com/article/born-to-the-purple-the-st Timeline: 1841 - Initial it was thought that the reddish color of blood was from iron. An experiment was performed to disprove this case. Dried blood was washed with concentrated sulfuric acid to free the iron.

Introduction This paper will analyze and compare the Egyptian Standing Figure of Osiris with Egyptian Mummy Coffin of Pedusiri, visual elements of Ancient and Medieval Art and Architecture works from the collection of the Milwaukee Art Museum. By comparing and contrasting these two works, we will be able to see the salient parts of each of them more clearly and can better understand the relationship between their periods, cultures, or artists. This comparison will also reveal how these two cultures view the human anatomy and human spirit in different ways.

“… defied the tradition of polytheism by elevating Aten (god of

Alka-Seltzer tablets are used to treat headaches, stomach and body aches and also heartburn. They consist of citric acid (C6H8O7), baking soda (NaHCO3), and aspirin (C9H8O4). The fizzing observed is a result of a chemical reaction between the citric acid and baking soda which form carbon dioxide in turn causing the fizzing. When the tablets are dropped into water they dissolve and dissociate into the ions in the equation: C6H8O7 (s) → 3H+ (aq) + C6H5O7 3- (aq).

How is a daguerrotype fixed? After being developed in a mercury fume box, sodium thiosulfate is used to remove the remaining unexposed silver compound. Then the plate is guided with gold chloride after being rinsed with distilled water. Who made the first image?

The dried roots of Inula racemosa were pulverized and sieved with 100 ~ 200 mesh. The herb powder was placed into a glass bottle. Ultrasound-assisted extraction was carried out in an ultrasonic cleaner RK102H (Bandelin sonorex, Germany). The powder of Inula racemosa was extracted three times under the following conditions: the ratio of material to solvent was 10:1, undergoing ultrasonic treatment 30 minutes at 25 °C, 100 kHz /450  W.31 Before large extraction, a small-scale extraction experiments were carried out: 95% ethanol and ethyl acetate as the extractive solutions was investigated, respectively.

Everything can change from one substance to another, but the creation and the end of some things never happen .On a beautiful day on the fourth of December in 2015, the class of SNC1D5 started a lab on different kinds of molecules. The reason why we did this lab was to investigate the chemical and physical changes between different substances. Substances can change from one substance to another that have alternate physical and chemical properties by chemical reactions or with reactants or with heat. A physical change mixes up molecules but doesn’t hurt their inner structure.

In the mural "Going To The Olympics,1984," by Frank Romero, vivid symbols that show meaning to the mural. Romero has a certain details that makes you understand what the theme of the canvas is. He paints palm trees and vivid colors of the sun to represent Los Angeles within the vivid colors of the sun he draws arm wrestlers to represent the Olympics. He includes cars and hearts on top of them, also a blimp to show more representative of Los Angeles. The hearts on top of the cars represents the love of Los Angeles people for there cars.