Flame Lab Objective: How an electron absorbs energy and re-emits it as light and why different elements have different spectra. Also to learn how to use flame tests to determine the identity of unknown mixtures. Hypothesis: We know that certain compounds will burn certain flame colors because they emit different wave lengths. Introduction: Neils Bohr made the “Bohr’s Model” in 1922‚ he found that electron travel in specified fields – which‚ when excited‚ will jump to different rings
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REPORT SHEET Date | 2.26.2013 | | Name | Tina Mwale | Flame Tests | | | Include the data sheet with this report sheet. 1. An AM radio station broadcasts at a wavelength of 0.500 kilometers. Microwaves can have a wavelength of 12 cm. A fire place can give off photons with a wavelength of 1.5 x 10-3 millimeters and the X-rays used in a dentist’s office have a wavelength of 2.1 x 10-11 meters. Ultraviolet rays‚ the ones that give you sunburn or fade the colors of clothes have
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the events in a horror movie. The killer is showing Willa what plans he has in store for her. Willa is a perfect match. Fortunately‚ she outsmarts the Hollywood Killer and escapes. ‘Famous Last Words’ a book written by Katie Alender has rich author’s craft. This book uses descriptive language‚ figurative language‚ and symbolism to express a person’s ability to see what others don’t and how it frightens her. In the book‚ Alender uses figurative language to show how frightened she becomes at those overwhelming
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9870077575 Child: 00 Distance: 1137 KM Passenger Address :- Ashutosh Bldg‚ Opp Bardan Gali‚Bazaar Peth‚ Kalyan (W). Kalyan Maharashtra - 421301 FARE DETAILS : S.No. Description 1 Ticket Fare ** 2 3 Amount (In rupees) Amount (In words) Rs. 5875.0 IRCTC Service Charges# Rs. 22.47 (Incl. of Service Tax) Total Rs. 5897.47 Rupees Five Thousand Eight Hundred and Seventy Five Only Rupees Twenty Two and Four Seven Paisa Only Rupees Five Thousand Eight Hundred and
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Figurative language is used in poems‚ songs‚ books‚ short stories‚ and in everyday language. The use of similes and hyperboles are able to affect the tone‚ meaning and theme that better explain the meaning in stories and songs. Figurative language is meant to appeal to the senses in order to provide interest and evoke emotion in what is being read or heard. Alicia Keys‚ “This Girl Is On Fire”‚ is a great example of figurative language. The figurative language in this song provides a respectful and
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The word ‘large’ is a very arbitrary term‚ defined generally as ‘of considerable or relatively great size‚ extent‚ or capacity’. I grew up on a very large farm in the presence of a large variety of animals. Madras was large in all the ways a horse can be: in literal size yes‚ but also in passion‚ personality‚ skill‚ and heart. He was beautiful. However‚ he was also the kind of large that makes an awful deafening boom when he hits the ground. The kind of large in the sense of volume when girls scream
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3/5/14 3/5/14 Flame Test Purpose In this experiment I will learn how to perform and observe the flame tests of some alkali and alkaline earth metals and be able to identify and unknown chemical by the color of the flame Procedure I placed about 0.5 mL of 8 different chemicals into 8 different places in the 24-well plate. I then lit the handy wick to keep a flame burning. I soaked a cotton swab in the first chemical and moved the cotton swab in and out of the flame rapidly to see the flame color change
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Flame Test Lab Question: When a compound is placed in the flame of a burner‚ what happens to the color of the flame? Hypothesis: When the compound is placed in the flame‚ the flame changes color depending on the chemical compound. When they’re heated‚ they gain energy and changed color sometimes. Safety Requirements for this Lab: Wear goggles at all times. If you want to remove them to write in your notebook you may sit at a table in the center of the room. When you sit down remove them
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Date: 20/03/13 Flame Test – Investigating Compounds Aims To identify the presence of a relatively small amount (ie low concentration) of a metal ion in a compound. Method 1. Clean a platinum or nichrome wire by dipping it into concentrated hydrochloric acid. 2. Hold the platinum or nichrome wire at the hottest or blue part of a non-luminous Bunsen flame. 3. Repeat until the wire does not produce any colour in the flame (note: do not touch the wire‚ as salt in sweat will produce
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How does the chemical being burned affect the color of fire? Why do you think each fire burns a different color? The colors of the flames are are due to the different chemicals and substances. The bright yellow-orange of most wood fueled flames is because of the sodium‚ and when it’s heated‚ it emits the glow of the fire. The blue in some wood-fueled flames is because of the carbon and hydrogen emit a blue and purple aura. How are the colors produced by a chemical when it burns related to the atomic
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