Boiling point Essays

  • Effectiveness Of Simple And Simple Distillation

    1938 Words  | 8 Pages

    with difference in boiling point higher than 25⁰C. The distillation curves of both processes were graphed on each case and compared. The main source of possible error was discussed and the way to improve the experimental procedure was proposed. It was concluded that the Fractional distillation is more efficient procedure than Simple distillation in liquid separation. However, in case of separation of solid impurities from liquid or liquids with high difference in boiling points Simple distillation

  • Fractional Distillation

    862 Words  | 4 Pages

    Separation of Liquids by Fractional Distillation and Analysis by Gas Chromatography Methods and Background This lab was exceptionally knowledgeable and important in order to understand how certain compounds can be separated based on their boiling points (Landrie, 43). This experiment in particular focuses on understanding the separation of 1:1 mixture of acetone and 1 propanol using the method of fractional distillation (Landrie, 43). In the previous experiment, we focused on understanding the

  • Boiling Point In Intermolecular Science

    1053 Words  | 5 Pages

    A boiling point of a substance is dependent on the temperature at which the substance can change its matter, such as liquid to gas. The molecules present in liquid are tightly compressed together, though they are still moving and colliding. If the liquid is heated, there is a rise in temperature which generates vibrations throughout the liquid, resulting in more collisions between molecules (Helmenstine, 2017). Once the collisions between the molecules become quite intense and rapid, boiling starts

  • Gas Chromatography Principle

    934 Words  | 4 Pages

    transports the sample into a separation tube which is also known as the column. Various components in the sample solution separated inside the column. GC has principles similar to fractional distillation. Both processes separate mixture based on boiling point. Fractional distillation does it on a larger scale whereas GC does it on a small scale Source: http://www.shimadzu.eu/gas-chromatography Discussion on analysis This technique requires a stationary phase and a mobile phase. The mobile phase being

  • Boiling Point Of Acetone And Toluene

    1078 Words  | 5 Pages

    The two solvents in the unknown were correctly identified as acetone and toluene. The solvent with the lower boiling point was predicted to be acetone, as its boiling point was observed to be around 59 C, which was closest to the 56.5 C, the ideal boiling point of acetone. This result, however, had the possibility of being incorrect, since the boiling point of methanol, 64.7 C, was relatively close enough to the observed 59 C that methanol could have been incorrectly identified due to experimental

  • Ninhydrin Test Report

    811 Words  | 4 Pages

    diluted to 100mL with water using a volumetric flask. This solution contains 1.0µmole/mL of glycine. 8 tubes were set up according to the following protocol and 2.0mL of ninhydrin reagent was then added to each of the 8 tubes and were placed in a boiling water bath for 20 minutes. After 20 minutes, the tubes from the bath was carefully removed, cooled in a beaker of cold water, then 8.0mL of 50% ethanol was added and mixed well. The absorbance of each tube was determined at 570nm and the absorbance

  • Isopods Vs Sowbugs

    895 Words  | 4 Pages

    Background Research: Isopods are group of small, cold-blooded, crustaceans also known as pillbugs and sowbugs (pillbugs are commonly known as “roly polies”). Pillbugs are almost exactly like sowbugs, but differ because they can curl up into balls and are thicker than sowbugs (PNNL). Isopods are related to a few water crustaceans including crabs, crayfish, and shrimp, so water is necessary for them to survive. For that reason, they live in damp or wet areas such as forests and meadows. Isopods have

  • Activation Energy Investigation

    2248 Words  | 9 Pages

    Chemistry Exploration Topic: determining the activation energy of a chemical reaction Research Question: What effect does temperature of the chemical reaction have on the activation energy ? ICT: Microsoft Word Autograph Microsoft Excel Introduction This experiment is designed to help in estimating the activation energy of the rate-limiting step in the acid catalyzed reaction of acetone with iodine. This is achieved by measuring the reaction rates at different reaction temperatures over

  • Alkaline Phosphatase Enzyme Lab Report

    2575 Words  | 11 Pages

    Introduction 1.1 Aim: To determine the kinetic parameters, Vmax and Km, of the alkaline phosphatase enzyme through the determination of the optimum pH and temperature. 1.2 Theory and Principles (General Background): Enzymes are highly specific protein catalysts that are utilised in chemical reactions in biological systems.1 Enzymes, being catalysts, decrease the activation energy required to convert substrates to products. They do this by attaching to the substrate to form an intermediate; the

  • How Do Alkaseltzer Tablets Affect The Boiling Point Of Water

    527 Words  | 3 Pages

    The Effect of Alkaseltzer Tablets on the Boiling Point of Water Zackary Zambrano Chemistry Honors Mrs.Gregor Period-3 10/5/16 Introduction Statement of Purpose: The purpose of this experiment is to see whether or not alkaseltzer tablets have an effect on the boiling point of 100 mL of water. The control is just water, the variable groups are 100 mL of water with one tablet, and 100 mL of water with two tablets. “What exactly is boiling? The technical definition is what occurs when the

  • The Warrior Short Story

    1464 Words  | 6 Pages

    Tribe considered the hot flowing earth that plops the pulsing blood of their island. Earth flows a short distance to the swirling vortex. Villagers regarded all the parts together as mother earth. Those gathered mesmerized their eyes followed the fiery colors of slow rotating earth, experiencing its heat as it disappears down into the island’s stomach. Two warriors lift a black ceremonial cauldron taken from a ship shipwreck that occurred centuries ago, placed it on the hot sand directly before

  • Advantages And Disadvantages Of Coffee Cup Calorimeters

    1629 Words  | 7 Pages

    Project 1: Calorimetry CHM2046L-029 24920 Introduction Background Calorimetry is a method of measuring the enthalpy (heat energy gained or released) of various state changes, such as chemical reactions. Calorimetry can also be used in a number of other ways, however, including in microbiology (where the presence of various microorganisms can be determined as their multiplication increases thermal power) and in environmental science (where a calorimeter can be used to determine insect

  • Essay On Hawaii Culture

    683 Words  | 3 Pages

    Hawaiian culture. Food is agreeably the most embraced aspect of culture in Hawaii. Food preparations mostly consisted of broiling, boiling, an roasting. broiling was achieved by having rocks or coals sitting on a bed of ashes and leaving it for a while. unripe fruits could be boiled this way but soft foods such as fish would need to be wrapped in ti leaves. Boiling foods using wooden containers, the food would be placed in the container followed by water and instead of applying heat to the wood

  • The Third Pig In Flannery O Connor's The Three Little Pigs

    857 Words  | 4 Pages

    A treacherous wolf is waiting outside the pigs home, growing more and more impatient to gnaw down on him and satisfy his hunger. He threatens to demolish his home and tear him apart if he does not let him in. What would you do in a situation like this?The first two pigs in “The Three Little Pigs” could not adapt fast enough to this scenario which resulted in their death, but the third pig managed to work his way around the wolf's tactics and give him a taste of his own medicine. When the pigs were

  • Character Analysis: Like Water For Chocolate

    969 Words  | 4 Pages

    When making hot chocolate boiling water is used and is similar to the heat felt between them. “Tita was literally ‘like water for chocolate’—she was on the verge of boiling over. How irritable she was! Even the cooing she loved so much—the sound made by the doves she had reestablished under the roof of the house, a sound that had given her so much

  • Descriptive Essay About Summer

    1308 Words  | 6 Pages

    Summers have an air of relaxation to them for most people, but for me I can barely find a moment's rest. Because I work in the hospitality industry, summer is the busiest time of the year. My apartment is a 3 minute walk from the beach and yet I only rarely get to enjoy it. Although there are days, there are precious days, when I can just stop and smell the ocean. Where I can just sit there all day, seemingly without a care in the world. They don't happen often, but that's what makes them even more

  • David Foster Wallace Consider The Lobster

    778 Words  | 4 Pages

    the reader can identify with any of these reactions and acknowledgments and discomforts"(Wallace 120). To sum up, Wallace mentions some arguments in his essay, discussing the best way to treat a lobster. Particularly, some of the arguments that he points are how lobster used to become a low-class food and the animal rights(Lobster). Wallace has succeeded deliver the message; cooking lobsters alive is harming them and it is not ethical how people treat the animal

  • Light Refraction Lab

    264 Words  | 2 Pages

    Light Refraction Lab Final Write-Up When light passes through any obstacle, it is affected in different ways, especially when the obstacle is transparent. In this lab, the objective was to show students what happens when light passes through water. “When light refracts into a substance in which it must slow down, the light ray will bend toward a line perpendicular to the surface it strikes” (Wile). Water forces a light ray to slow down, and so the light ray will bend. (Similarly, if a light ray

  • Airplane Crash Persuasive Speech

    796 Words  | 4 Pages

    you have a dry husk and that you have lots of dry wood to fuel the fire later. Boil some salt water in a make shift desalination, using a metal can or coconut shell, palm leafs and another can or bottle, setup in a way that the evaporation from the boiling water will catch on the palm leaves and run down the leaves draining into the catch. This water will still be salty but drinkable. Everyday look around for peace’s of rubber or anything that will make a lot of smoke this could even mean using parts

  • Coffee Sweet Nectar Of The God Essay

    816 Words  | 4 Pages

    Coffee, sweet nectar of the Gods. Always so delicious, so empowering, and once illegal?I'll be telling you some incredible things you never knew about that morning cup of coffee. Like for example, how in it became outlawed in England. when King Charles the second became worried that coffee shops were where people were conspiring against him. In addition to royal paranoia, the brew that we all love has a huge number of amazing facts that you need to hear to believe. Add cream and sugar if needed