Lab Report Flame Spectroscopy: Applying a Quantum Leap Answer the following questions about the results of this activity. Record your answers in the boxes. Send your completed lab report to your instructor. Don’t forget to save your lab report to your computer! Lab Activity 1 Sample Number of Bands Colors Present Cesium Calibration Standard 18 Violet‚ Green‚ Yellow‚ Orange‚ Red Cesium Spectrum from Chart 13 Violet‚ Green‚ Yellow‚ Orange‚ Red
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SULIT 4 50/1 1 Which digit has the correct place values in both numbers? Digit manakah yang mempunyai nilai tempat yang betul dalam kedua-dua nombor? Digit 8439567 A B C D 3 4 5 6 Ten thousand Puluh ribu Hundred thousand Ratus ribu Hundred ratus Ten puluh Place value 8593647 Hundred ratus Ten thousand Puluh ribu Hundred thousand Ratus ribu Thousand ribu 2 The sum of all prime factors of 150 is Hasil tambah semua faktor perdana bagi 150 ialah A 10 B 11 C D 15 16 3 Diagram
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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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Flame Test Lab Introduction/Purpose: When a certain amount of energy is supplied within an atom‚ the electrons of that atom begin to move up the levels of electron configuration. This level of energy is called a quantum. The object of this experiment was to examine the movement of electrons up and down energy levels through the use of given elemental substances. With heat supplying a large amount of energy‚ the properties of the elements caused them to give off a certain color or tone of
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DR. FAZLUL ISLAM EXISTENCE OF ETERNAL SOUL Highly energetic chemistry is believed to have produced a self-replicating molecule around 4 billion years ago and half a billion years later the last common ancestor of all life existed. The current scientific consensus is that the complex biochemistry that makes up life came from simpler chemical reactions. The beginning of life may have included self-replicating molecules such as RNA‚ and the assembly of simple cells.1‚ 2 Fig-1: DNA Double Helix
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schedule to take them. Class Policies Classroom‚ materials tab Policies and procedures University Library Classroom‚ library tab Resources and resources for school University Academic Catalog Program tab‚ right of my program Information on your degree program and requirements University Learning Goals Classroom tab then Materials tab‚ goal setting labs Information and help with setting goals for class Life Resource Center Program tab‚ services then the life resources center Support for life
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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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I. Purpose: To observe the colors produced when compounds are introduced into a flame and the electrons become excited. To estimate the wavelength of light produced‚ then calculate the frequency and energy of the light II. Safety: Standard safety procedures III. Chemical Inventory: |Chemical Name: |Hazards: | |Lithium Chloride
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