The Reaction of Iron Nails with a Copper Solution Essay

Section Assignment 3.4 Part F – The Reaction of Iron Nails with a Copper Solution Introduction: The experiment in this activity involves the reaction between a copper (II) chloride solution with iron nails and the mole ratios involved in the reaction. Measurements are taken to determine the moles of each reactant involved in the reaction and thus the number of atoms or molecules involved. Apparatus and Materials: Refer to the reaction of iron nails with a copper solution assignment in Module 3, Section assignment 3.4 Part F of the Chemistry 11 course. I was unable to do this experiment because I do not have access to an appropriate facility that is designed for chemistry experiments, appropriate safety equipment, or a qualified†¦show more content†¦3) Determine the mass of the nails after they are completely dry. * Step G: 1) Separate the solid from the liquid in the beaker by decanting the liquid. Ask your instructor to demonstrate the correct procedure. 2) Rinse the solid with about 30 mL of distilled water and decant the liquid from the solid. It is critical that as little solid as possible is lost during this process. Repeat the rinsing two or three times. * Step H: 1) Pour 25 mL of the 1 M hydrochloric acid into the beaker and rinse the solid by swirling the acid around in the bottom of the beaker. Caution – Hydrochloric acid is corrosive to eyes, skin and clothes. Wearing a lab apron, rubber gloves, goggles, and a face shield is essential. Rinse any spills on skin or clothing with plenty of cold water. Clean up spills immediately – ask your instructor for help. 2) Decant the hydrochloric acid from the solid and then again rinse with 30 mL of distilled water and decant. Be careful not to lose any of the solid. * Step I: 1) Allow the copper in the beaker to dry at low temperature in a drying oven for at least one hour. 2) Determine the mass of the beaker and the copper. 3) Repeat the drying process just to be sure that the copper is completely dry, and again determine the mass of the copper and the beaker. 4) If the masses agree, stop. If the masses are more than 0.05 gram different, then repeat the drying process until there isShow MoreRelatedLab Report1259 Words   |  6 Pagesunit for analyzing chemical reactions. Avogadro’s number is equal to the mole. The mass of a mole of any compound or element is the mass in grams that corresponds to the molecular formula, also known as the atomic mass. In this experiment, you will observe the reaction of iron nails with a solution of copper (II) chloride and determine the number of moles i nvolved in the reaction. You will determine the number of moles of copper produced in the reaction of iron and copper (II) chloride, determine theRead MoreChemistry Internal Assessment1033 Words   |  5 Pagesthe combined piece into some sort of solution that creates conductive atmosphere , the general purpose of a voltaic cell is to convert the chemical reaction between the metals and the solution into an electrical charge , Hypothesis: the voltage produced by magnesium and cupper = the sum of the voltage produced by magnasium and iron ; and iron and cupper Variables: Independent variable: one metal use in one voltaic half cell: (half of the redox reaction occurs at each half cell, ThereforeRead MoreReactions And Reactions Of Redox Reactions2214 Words   |  9 PagesIntroduction: Without the millions of chemical reactions that occur every day, life would be completely different. An important class of common reactions includes those which involve the simultaneous transfer of electrons between chemicals, commonly referred to as redox reactions or oxidation-reduction reactions. Redox reactions are whole reactions composed of two different half reactions known as oxidation (where electrons are lost) and reduction (where electrons are gained) (Chemguide, 2013). WhenRead MoreChemical Reaction Of Chemical Reactions1138 Words   |  5 PagesIntroduction: A chemical reaction is the process of rearranging the atoms in reactants to create new and unique substances known as products (3). Substances are either a chemical element or compound, which cannot be broken down into simpler substances by normal chemical procedure (3). Reactants are substances that undergo specific changes in the process of a reaction while products are the final product of the reactants when the chemical reaction is completed. In a chemical reaction the least amount ofRead MoreSOME INVESTIGATIONS ON THE CORROSION OF IRON2389 Words   |  10 PagesMayceemae M. Barnuevo CHEM 17.1 13L Group 1 February 7, 2014 February 19, 2014 Exercise 12 SOME INVESTIGATIONS ON THE CORROSION OF IRON I. Introduction Metals undergo natural destruction that allows a spontaneous deteriorating reaction where they return to their original state from where they are obtained upon contact with the surrounding, particularly when reacted to oxygen. Such phenomenon is known as corrosion (Zumdahl, 1998). This leads the surface of the materials to rust in due time. UsuallyRead MoreCorrosion and Its Prevention1677 Words   |  7 Pagesimpervious to air and water. In other cases (e.g. iron), however, the coating either flakes off or is pervious to both air and water. So the whole piece of metal can corrode right through. Ã‚   The most common forms of metallic corrosion are caused by electrochemical reactions, wherein two metallic phases (e.g., iron oxide and iron) react in the presence of electrolytic solution. Another mechanism of metallic corrosion is caused by chemical reaction, which explains how the protective layer of the metalRead MoreHkdse Chemistry – a Modern View 1 (Sample) Suggested Answers (Coursebook)10079 Words   |  41 Pagescheck the name against the Periodic Table.) A1.3 Sodium - silvery grey solid; Chlorine - greenish yellow gas; Sodium chloride - white solid. A1.4 (a) Hydrogen, oxygen, nitrogen, iron, sulphur (b) Water, carbon dioxide, carbon monoxide, sodium chloride, iron(II) sulphide (c) Air, sea water, town gas, sodium chloride solution, wine (Other answers may be given.) A1.5 (a) Chemical change (b) Physical change (c) Physical change (d) Chemical change (b) and (c) are physical changes because no new substancesRead MorePotato Battery1542 Words   |  7 Pages 1.5 m copper bell wire 12 hot-galvanized (not electro- galvanized) 11⠁„? 2-in. zinc roofing nails 12 solid-brass wood screws wire cutters solder, flux, and soldering iron Procedure PART A one high-brightness red LED (SLA-591LT3; available at Radio Shack # 276-006A) hammer (optional) voltmeter (optional) 6- or 9-V battery screwdriver 1. Using the wire cutters, cut 12 pieces of copper wire 10 cmRead MoreAlloy: Iron and Steel3647 Words   |  15 Pages------------------------------------------------- Alloy Steel  is a metal alloy whose major component is  iron, with  carbon  content between 0.02% and 2.14% by mass. An  alloy  is a  metallic  solid solution  composed of two or more  elements. Complete solid solution alloys give single solid  phase  microstructure, while partial solutions give two or more phases that may or may not be  homogeneous  in distribution, depending on thermal (heat treatment) history. Alloys usually have different properties from thoseRead MoreOrange Battery3847 Words   |  16 PagesLike a lemon or a potato, an orange can produce electricity if a copper and zinc terminals are inserted in it. The copper terminal is positive whereas the zinc is negative. The chemical reaction inside the potato causes the electrons to move from the zinc to the copper. The experiment was demonstrated by Mustafa Daif and assited by Fatima Ali. Special thanks go to Christina Matouq. Veggie Power! Making Batteries from Fruits and Vegetables Project Kit Available! Order Your Project Supplies

To Kill a Mockingbird and Animal Farm Essay - 791 Words

Harper Lee’s To Kill a Mockingbird is considered a classic text because it is based on the meaning of a mockingbird, the idea of growing up, and the theme of prejudice and racism which still is a problem today. George Orwell’s Animal Farm is considered a classic text because it holds historical importance and shows how easily humans can be corrupted by power. The story of To Kill a Mockingbird is set in Alabama, a town in Maycomb, during the Great Depression. The story is told in the eyes of Scout Finch, a six year old child (eight years old at the end of the novel), who represents innocence in the novel. The title To Kill a Mockingbird carries a metaphorical meaning. The ‘mockingbird’ represents the idea of innocence. The quote†¦show more content†¦Despite his strong closing argument, the jury found Tom Robinson guilty because of his race. The story of Animal Farm is set in countryside England on a farm called Manor Farm, which is owned by Mr and Mrs Jones. The story is based on the history of the Russian Revolution. At the beginning of the novel Old Major (a prize-winning boar) gathers all the animals of Manor Farm for a meeting in the barn. He tells the animals of a dream where all animals live together with no humans to control them. He tells the animals to work hard for such a paradise and teaches them a song called â€Å"Beasts of England†. Three younger pigs (Snowball, Napoleon and Squealer) formulate his main principles into a philosophy called Animalism. Animalism represents communism in the real world, where everyone is equal. The seven commandments of Animalism are written on the side of the barn after driving out the human owners of the farm and rename the farm to ‘Animal Farm’. Snowball, Napoleon and Squealer take up the position of leader and after the Battle of Cowshed, Napoleon and Snowball begin to quibble over the future of the farm and start to struggle with each other for power and for influence among the other animals. Napoleon overpowers Snowball with nine attack dogs and drives him out of the farm and says that the pigs will make all the decisions, whether the other animals like it or not. From here, Napoleon falls to corruption like many other communistShow MoreRelatedAnimal Farm Paradox Analysis1013 Words   |  5 PagesPublished Sample Analysis: In this part in Animal Farm, the pigs wish to enact rules that will benefit them at the expense of the other animals on the farm. In one of their rules, a paradox is created whose function is to expose the truth that despite governments claiming to treat everyone equally, they tend to favor certain groups over others. The paradox is created through the statement that some are more equal than others, wh ich is a contradicting statement because if some are more equal thanRead MoreThe Effect of Social Hierarchy in to Kill a Mockingbird985 Words   |  4 PagesThe Effect of Social Hierarchy in To Kill A Mockingbird Social classing systems, also known as social hierarchy have been around since the beginning of time. In such a system those of the upper class take advantage of the classes below them; whether it is kings and their servants or a boss and their workers. This social hierarchy has a profound effect on society and the events in Harper Lee s novel To Kill A Mockingbird. There are four classes in Maycomb; they are distinguished in the TomRead MoreTo Kill A Mockingbird Empathy Analysis1458 Words   |  6 Pagesâ€Å"You never really understand a person until you consider things from their point of view-until you climb into his skin and walk around in it.† (p.30) The novel To Kill a Mockingbird by Harper Lee includes a plethora of essential themes that make one think deeply. The story takes place in the 1930’s when segregation tensions were high. The narrative is told through the eyes of a young girl, Jean Louise (Scout) Finch. Scout’s father, Atticus is a lawyer fi ghting a case for an African American man namedRead MoreRole and evolution of the hero in literature1472 Words   |  6 Pagesnecessarily handsome. His beliefs are not expressed through some miraculous feats of strength, but rather through his ability to do the right thing. His actions often go unnoticed and are even sometimes criticized like in Harper Lees book, To Kill A Mockingbird. When Atticus Finch agrees to defend a black man in court the community looks upon him as a Niger lover. Even before he accepts the case, Atticus knows people will disapprove, but he is a honest man who stands up for what he believes inRead MoreAnalysis Of George Orwell s The Lord Of The Rings 747 Words   |  3 Pages1) To Kill A Mockingbird by Harper Lee 2) 1984 by George Orwell 3) The Lord Of The Rings Trilogy by J.R.R Tolkien 4) The Catcher In The Rye by J.D Sallinger 5) The Great Gatsby by F.Scott Fitzgerald 6) The Lion, The Witch, And The Wardrobe by C.S Lewis 7) Lord Of The Flies by William Golding 8) Animal Farm by George Orwell 9) Catch-22 by Joseph Heller 10) The Grapes Of Wrath by John Steinbeck 11) Gone With The Wind by Margaret Mitchell 12) Slaughterhouse-Five by Kurt Vonnegut 13) Lolita by VladimirRead MoreEssay on Loyalty in Animal Farm by George Orwell1343 Words   |  6 Pages Animal Farm is a prime example of devotion and the loyalty that is vital for success. Boxer is a selfless hard-working horse that displays genuine loyalty to the rebellion willing to do anything for the better of his newfound family. Boxer adopts a new personal motto of â€Å"I will work harder† static from the beginning of the novel to his death (murder). Boxer is unwavering in his devotion. Even when the windmill is destroyed and it is time for Boxer’s long waited retirement he continues to striveRead MoreBook Banning: Against The Law Essay1293 Words   |  6 Pagestime, because banning brings attention to books that someone did not want anyone else to see, and because people have rights. Schools should not ban books in their libraries because the books merely reflect the culture of the times. In To Kill a Mockingbird by Harper Lee, society still lived under the ominous shadow of prejudice. Books like this help students realize how people acted in those times when they read about the treatment of blacks. Mark Twain has also received heavy criticism latelyRead MoreIs Banning Books Constitutional?1208 Words   |  5 PagesIs banning books constitutional? The Catcher in the Rye. The Scarlet Letter. Huckleberry Finn. Harry Potter. The Diary of Anne Frank. Animal Farm. To Kill a Mockingbird. The Da Vinci Code. The Grapes of Wrath. These literary classics have been vital to the education of many, especially children and adolescents (Banned Books). These great novels both teach important values and educate children about world affairs and classic themes. Unfortunately, each of these novels has been banned at one pointRead MoreA Seminar Essay - Socratic Seminar1949 Words   |  8 Pagesthey must be. An example of injustice is in Animal Farm by George Orwell, when the pigs used the fact that they were in an authoritarian position and used it to tweak the commandments to their benefit. Soon, the entire platform that the Animal Farm stood on was destroyed. The last commandment was the main idea that the farm stood for: â€Å"All animals are equal† (43). It was morphed into a completely different and opposite phrase by Napoleon: †Å"All animals are equal, but some are more equal than others†Read MoreComparing Rosemarie Seus And John Steinbeck s Of Mice And Men2004 Words   |  9 Pagesliterary work to identify language and to capture the unique experience of American people at the time. 19th century authors include Mark Twain (Huckleberry Finn). 20th century writers include John Steinbeck (The Grapes of Wrath) and Harper Lee (To Kill a Mockingbird). The Great Depression The Great Depression was the deepest and longest economic downturn in the history of the western world. The depression started in the U.S. soon after the stock market crash of October 1929. For the next several years,

Experimental Vehicle Essay Example For Students

Experimental Vehicle Essay There are three types of experimental vehicle (EVs) propulsion technologies onthe currently being tested. Batteries are currently the most popular powersource for modern EVs but they are by no means the only available technology. Anumber of alternatives are under development and they, too, are well positionedto rival batteries as an effective EV power source. 1.Fuel cells Some of themost recent and exciting news in electric-vehicle development has centeredaround a new power source, called the fuel cell. The fuel cell utilizes aspecial membrane to generate electricity through the controlled reaction betweenhydrogen and oxygen atoms. Unlike batteries, which store electricityrather than generate it, fuel cells actually produce electricity through acontrolled chemical reaction between hydrogen and oxygen. Inside a fuel cell,the two elements are fed to opposite sides of a porous membrane. As hydrogenatoms pass through the pores, they are stripped of their electrons. This resultsin a negat ive charge on the membranes hydrogen side and a positive charge onthe oxygen side. Stacking fuel cells in series produces enough power to operatea vehicle. Unfortunately, there is a downside to this innovativesystem?hydrogen is extremely volatile. It is also difficult to store andunavailable at local filling stations. Chrysler Corporation is currently workingon a fuel cell that eliminates some of these obstacles, notably storage andinconvenience. Their efforts may make fuel cells a viable option in the nearfuture. One of Chryslers plans is to use small amounts of gasoline in fuelcells. Doing so would eliminate the dangerous proposition of storing hydrogenonboard an EV before converting it to electricity. A series of reaction chambersin the system would convert the gasoline to hydrogen as needed, and carbonmonoxide?produced as a byproduct?would be processed in additional chambersthat would convert it to harmless carbon dioxide. 2.Flywheels Another departurefrom chemical-based battery technology is the flywheel. All flywheels, includingthose presently on vehicle engines, act as sort of mechanical batteries, storingenergy by spinning. Friction, of course, is their enemy. In new flywheeltechnology plans are to create a nearly frictionless environment?essentially avacuum?around the flywheel by enclosing it in a shell and mounting it onliquid or magnetic bearings. To create electricity, magnets mounted on theflywheel would pass close by tightly wound wires lining the shells interior. Drawbacks are that charging such a system requires some initial force to get theflywheel up to operating speed (which can be as high as 100,000 rpm) and thatlightweight but strong composites instead of common metals must be used toconstruct the flywheel to prevent it from breaking apart. 3.Hybrids Hybridvehicles typically feature two different power sources?working either inparallel or in series?to propel the vehicle. Much research is under waycombining gasoline or diesel-fueled internal combustion engines withelectrically powered motors to get the job done. In a parallel setup, both powersources drive the wheels. For example, an electric motor may accelerate the carto highway speeds, whereupon a small internal combustion engine, or ICE, thentakes over to power the wheels for cruising. With this system, the ICE need onlybe large enough to maintain speed, and the energy supply for the electric motorneed not provide long range. In a series setup, power from both engine sourcesis sent t o a single additional motor or controller that drives the wheels. Insuch a vehicle, an electric motor might run on batteries that in turn could becharged by a generator operated by a small internal combustion engine. Such acombination could extend the range of an EV considerably. Already there has beenan example of a hybrid vehicle, albeit extreme: the Chrysler Patriot race carproject of the early ?90s. The Patriot used liquefied natural gas to fuel aninternal combustion engine that, in turn, spun two turbines providingelectricity. A flywheel generated additional power. All the electricity wascontrolled by a computer that both delegated which power source (turbines orflywheel) to draw from and then directed that power to the motor driving thewheels. In all, the turbines and flywheel produced about one megawatt of energy,which was how the Patriot was expected to reach speeds approaching 200 mph. .u4fc62fa7d44ec2afbf2f0d090a9b65f7 , .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .postImageUrl , .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .centered-text-area { min-height: 80px; position: relative; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 , .u4fc62fa7d44ec2afbf2f0d090a9b65f7:hover , .u4fc62fa7d44ec2afbf2f0d090a9b65f7:visited , .u4fc62fa7d44ec2afbf2f0d090a9b65f7:active { border:0!important; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .clearfix:after { content: ""; display: table; clear: both; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7:active , .u4fc62fa7d44ec2afbf2f0d090a9b65f7:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .centered-text-area { width: 100%; position: relative ; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7:hover .ctaButton { background-color: #34495E!important; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7 .u4fc62fa7d44ec2afbf2f0d090a9b65f7-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u4fc62fa7d44ec2afbf2f0d090a9b65f7:after { content: ""; display: block; clear: both; } READ: Mandotory school Uniforms EssayThese new power sources will revolutionize the transportation industry. Theywill replace gasoline as the predominant enegy source of our vehicles.

The Dumps Lesson free essay sample

Who knew a garbage dump could teach me about life? Olympia Ski Hill and Resort or as I have accurately dubbed it â€Å"Big Trash Mountain† was an old landfill Not much has changed Nothing could prepare me for what a dump could teach me. It was the last race of what would be my three year stint as an alpine ski racer; however, I was mentally finished as soon as I heard Big Trash Mountain would host it. My body wasn’t done yet because I bombed down the first course like a rocket on fire. I was in first. Somehow my alpine talent had never taken me before. I smoked half the boys and the girls were still in shock. I got my act together and was ready to rock the second course. Again I was a rocket on fire, except this time my rocket crashed, literally. My ski hit a gate and I wiped out. We will write a custom essay sample on The Dumps Lesson or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Hard. I watched my dream burn as quickly as it materialized. My parents have always told me cheesy lines like seize the day. I now realize corny as it sounds they’re right. I’ve got to put effort into everything I choose to spend my time doing or risk half-assing my life away, never accomplishing anything. Would I have won had I been prepared? Possibly. I’ll never know.