Identification of Metallic Ions Peter Jeschofnig‚ Ph.D. Version 42-0160-00-01 Kellie Long Purpose: To observe the different flames of alkali and alkaline metals. Procedure: Place a little bit of each element into the well plate. Then you soak a tip of a cotton swab in each solution. Then you place the cotton swab over the Bunsen burner until the flame changes color. observations The color of the flame is expected to be as follows: Metallic ion Flame color
Premium Color Chemistry Metal
Reactivity’s of Some Alkyl Halides- SN2 & SN1 A. Johnson 8/28/12 CHM236 Objective: To test the ten compounds found in the physical data table that follows‚ and observe them by categorizing the reactions as Sn1 and SN2. Physical data: Compound M.W. (g/mol) Melting Point (C°) Boiling Point (C°) Density (g/mL) Solubility Safety Considerations 2-chlorobutane 92.57 -140 68 0.87 very slightly soluble in cold water Irritant with skin‚ lung‚ and eyes. 2-bromobutane
Premium Solubility Temperature Solvent
The fallibility of Eyewitness Identification and Testimony INTRODUCTION: Eyewitness identification and testimonies are relied on heavily by the criminal justice system to help with investigation and prosecution of crimes and criminals. Due to the increase in the use of eyewitness identification psychologist began studying the results more efficiently to gain a clearer understanding of the risks it holds.. A scientific literature on this specific topic was created and highlighted the issues that
Premium Crime Criminal justice Police
The film begins with the birth of Paris‚ and Cassandra’s prophecy that he would be the cause of Troy’s destruction. Worried‚ his father King Priam leaves him on Mount Ida‚ where he is found and raised by the shepherd Agelaus. When he is an adult‚ he judgesAphrodite as the fairest of the three goddesses‚ Hera‚ Athena‚ and Aphrodite. After awarding her the golden apple she promises him the love of Helen of Sparta‚ the most beautiful woman in the world. Meanwhile in Sparta‚ Helen sees in a pool Paris’s
Free Trojan War Iliad Helen
Gringard Synthesis detailed procedure and scheme of the apparatus any changes to the original procedure‚ actual masses‚ and obs yield calculations and mp Discussion outline Grignard rxn (what is it used for‚ why important‚ the mechanism) Reaction set up (important details) How can the rxn be activated Second step: rxn of the Grignard reagent with acetophenone‚ quenching with ammonium chloride Isolation of the product‚ identification Possible or actual sources of error Part one of our experiment
Premium Magnesium Chemistry Diethyl ether
Grignard Synthesis of Triphenylmethanol Aim The aim of this experiment was to prepared Grignard reagent (phenylmagnesium bromide) from bromobenzene and magnesium‚ to use the reagent prepared to synthesise a tertiary alcohol (triphenylmethanol) by reacting reagent and ester (methyl benzoate)‚ and the product formed is analyse by infrared spectroscopy (IR)‚ melting point‚ thin layer chromatography (TLC)‚ gas chromatography mass spectrum (GCMS) and finally Nuclear Magnetic Resonance spectroscopy. Introduction
Premium Nucleophile Magnesium Alcohol
a very competitive environment within the coffee and snack industry. A major threat is other large competitors‚ including Starbucks Corporation‚ Peet’s Coffee‚ and newer entrants like McDonald’s McCafe‚ with the most significant threat coming from Starbucks. While Dunkin Donuts‚ as of April 2011‚ owns 16.1% of the market‚ Starbucks has 32.6% of market sharexxiii. Although larger competitors and chains pose a bigger threat in terms of total profit loss‚ local cafés are definitely worth
Premium Coffee Starbucks Dunkin' Donuts
Philippines Consumer Protection Law What is Republic Act 7394? Republic Act 7394 (RA 7394) is the "Consumer Act of the Philippines" which was promulgated on July 15‚ 1992. It is the policy of the State to protect the interest of the consumer‚ promote his general welfare and to establish standards of conduct for business and industry. What are the objectives of the RA 7394 or otherwise known as "Consumer Act of the Philippines? Protection of consumers against hazards to health and safety;
Free Fair Credit Reporting Act Consumer protection Federal Trade Commission
------------------------------------------------- Historical conception[edit source | editbeta] File:Curriculum Concept.svg In The Curriculum‚[3] the first textbook published on the subject‚ in 1918‚ John Franklin Bobbitt said that curriculum‚ as an idea‚ has its roots in the Latin word forrace-course‚ explaining the curriculum as the course of deeds and experiences through which children become the adults they should be‚ for success in adult society. Furthermore‚ the curriculum encompasses the
Premium Curriculum Expert Curricula
time went by I gained more friends and more pressure was put on my shoulders. I learned a lot about friendships and the meaning of them. Losing the friends that meant the most to me is one of my failures and something that was challenging. Friendships from the past have a huge impact on the friendships that I’ve made today. In middle school I was always open to meeting new people and starting new friend friendships with anyone but now I realize that I can’t do that without getting to know the person
Premium Interpersonal relationship Friendship High school