Mayceemae 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. Usually
Premium Chemistry Iron Corrosion
Moles of Iron and Copper Lab Data and Observations Before the reaction: Mass of empty‚ dry beaker: 153.44g Mass of beaker + copper (II) chloride: 161.44g Mass of two iron nails: 7.27g After the reaction: Mass of two iron nails: 6.29g Mass of beaker + copper (dry): 154.50g Questions and Calculations 1. a) Mass of two iron nails before the reaction – Mass off two iron nails after the reaction = Mass of iron used in the reaction = 7.27g – 6.29g = 0.98g
Premium Chemistry Atom
skies. Lofting safely in a small town—more than likely‚ Wheeling‚ Virginia—Rebecca Harding Davis writes a depressing‚ eye-opening novella centering around the life of poor workers slaving away to keep their bosses happy and rich titled‚ Life in the Iron Mills. When it was published in 1861‚ the country was more focused on slavery and the economy‚ as the Civil War was beginning to brew in the border states. Funnily enough‚ this story takes place in a border state. Contrary to popular belief‚ the story
Premium Southern United States American Civil War United States
SUPPLY CHAIN OF IRON ORE With the increasing demand in iron ore due to rapid industrialisation and increase in demand of steel‚ the need for a proper distribution network or a supply chain has been realised. The following section takes into account the supply chain system of iron ore with some examples quoted from the Australia-China supply chain‚ which is one of the most important supply chains due to Australia being the largest exporter and China being the largest importer of iron ore. Logistic
Premium Iron ore Mining
Iron Ore Price Bubble Those who anticipated price bubbles made huge profits. But the key word is ANTECIPATE Therefore‚ the relevant question is “What is the NEXT price bubble?” If you dream of profiting from the next price bubble‚ you should take a closer look at iron ore‚ which is the mineral used to make steel After 3 years working in metals and mining for Goldman Sacks‚ I realized some characteristics that lead to price bubble in commodities I will give one example of metals that are
Premium Iron ore Metal Iron
Iron Deficiency Anemia Imagine that you lived your life to the fullest potential‚ while not having a single idea that a heart attack was right around for you. You are exhausted and have unusual cravings for ice even when you’re freezing and cannot get warm. On top of that‚ you cannot explain why you are having a shortness of breath or foggy thinking. If you imagine your life like this‚ then you are living with a condition called iron deficiency anemia. IDA is a common type of anemia‚ a condition
Premium Obesity Diabetes mellitus Insulin
Churchill’s Iron Curtain Speech During Winston Churchill’s Iron Curtain Speech in 1946 he determined that war and tyranny were two big disturbances. He points out that not all countries are lead with a Democratic government and cannot enjoy some of the luxuries that coincide. He does not believe in an oppressive government. Churchill believes that all people should have the right to constitutional action‚ elections‚ freedom of speech‚ and the justice of the courts (Churchill‚ 1946). He assures the
Premium World War II Winston Churchill United Kingdom
Tony Stark’s Character Growth in Iron Man In the beginning of Iron Man‚ the main protagonist‚ Tony Stark‚ was generally a bad person. He was an extreme example of the celebrity stereotype-- flashy‚ arrogant‚ self-absorbed‚ and rude. Stark took personal honors‚ as well as relationships with others‚ for granted. But that all changed when Stark was kidnapped by a terroristic rebel group. During his time as a prisoner‚ Tony saw what horrors his technology could be used for‚ and later escaped captivity
Premium Iron Man
Margaret Thatcher‚ otherwise known as The Iron Lady‚ was known for her role in saving Britain. The economy of Britain was facing tremendous troubles in the nineteen hundreds (Blundell 92). If the economy of Britain continued down the road it was going‚ Britain would have faced many great economic hardships that Margaret Thatcher prevented during her time in office. Margaret Thatcher‚ the first female prime minister in British history‚ exceptionally reformed Britain in a time of need while leaving
Premium Great Depression Unemployment Economics
time where men dictated the majority of everything constitutional. Before August 18‚ 1920‚ women had no rights to contribute in the uprisings of our country. After years of extreme dedication and perseverance women finally recieved the right to vote. Iron Jawed Angels was the infamous movie that portrayed Alice Paul‚ the young suffragette and Carrie Chapman Catt‚ the well-known suffragist. This film depicted all the important dilemmas women faced throughout the years before receiving the rights they
Premium Suffragette Women's suffrage Suffrage