Electro Magnetic Spectrum Fontana Chemistry period 3 December 3‚ 2012 James Clerk Maxwell discovered the electromagnetic spectrum in 1862. The electromagnetic spectrum is a map of all the types of light that can be identified. It classifies different types of light by wavelength to show how much energy the wave has. The more energy the wave has the shorter the wavelength and the less energy a waves has the longer the wavelength. Not all light is in the visible spectrum. There are many kinds
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The Visible Spectra and Concentration of Beverages Purpose: The purpose of this experiment is twofold. The first part is designed to determine the origin of the color of a carbonated beverage. Be specific in your Purpose‚ which soda are you measuring? In the second part you will determine how much a sample of grape soda has been diluted‚ i.e. its concentration. Be specific‚ what is the sample ID for your unknown? Work as a team‚ but each person has their own unknown and part of the score
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The Visible Spectra Of Orange Soda Pop Objective : To measure an absorbance value of the different colour solutions by using Spectrophotometry Introduction Spectrophotometry involves the use of a spectrophotometer. A spectrophotometer is a photometer (a device for measuring light intensity) that can measure intensity as a function of the color‚ or more specifically‚ the wavelength of light (nm). The instrument also can be use on biological sample such as chlorophyll pigments and
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DATE: 21-01-14 ANALYSIS OF COPPER IN BRASS BY UV – VISIBLE SPECTROSCOPY AIMS/OBJECTIVES; To determine the percentage of copper in brass by UV-visible spectroscopy. INTRODUCTION Electromagnetic radiation‚ of which ultraviolet and visible light are but two examples‚ has properties of both waves and particles. When light acts as a particle
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Experiment One Visible Spectrophotometric Analysis of Cobalt and Nickel Purpose Understand the function of the Spectronic 20 Spectrophotometer‚ the Perkin-Elmer recording UV-visible spectrophotometer and reveal the concentrations of nickel and cobalt in an unknown solution. Procedure In the Lab: Part B: Complex Formation Pipette 20mL aliquots into a 150mL beaker. Do the same with cobalt nitrate and nickel nitrate. Add between 0.70g and 0.90g of EDTA to each of the cobalt nitrate and nickel
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No. 3 Determination of Chromium (VI) by Direct Visible Spectrophotometry (External Calibration Method) Group Members: Cabahug‚ Elisha Niña M. Date Performed: November 20 & 22‚ 2012 Mejia‚ Helen Mae N. Date Submitted: November 29‚ 2012 Score: I. Introduction Spectrophotometric measurements with UV or visible light radiation are useful in detecting transition metal ions and highly conjugated organic compounds. In UV and visible light regions‚ energy spaces molecules undergo
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was an example of an electromagnetic spectrum‚ which is all wavelengths of light both seen and unseen (Trefil & Hazen‚ 2010). The display of the electromagnetic spectrum showed gamma rays‚ X-rays‚ ultraviolet light‚ infrared‚ visible light‚ microwave‚ radio waves‚ as well as a visible spectrum wavelength (Trefil & Hazen‚ 2010). The diagram shows at what frequency and wavelength each wave moves and what it allows us to see‚ hear‚ and feel with visible light and/or specialized equipment‚
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Science course work Aim- To see how the wavelength of visible light affects the rate of growth of aquatic plants Different wavelengths of light will effect to rate of photosynthesis. I will test this by exposing the pondweed to different wavelengths of light to see how it reacts. Method I will do this by passing white light through a filter. The filter will remove all unwanted wavelengths of light leaving the plant exposed to only the desired wavelength of light. I will use three different
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Analyzing and comparing the absorption of visible light of Spinacia oleracea and Musa acuminata Pruthvi Pediredla Due: February 21‚ 2014 BY 214: Botany I certify that this work is solely my own‚ and any outside source was paraphrased and properly cited. Abstract The purpose of this study is to give insight about the role of absorption in plants and to compare two particular plants‚ Spinacia oleracea and Musa acuminata‚ which use different wavelengths of light to display various
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Title: The success of photosynthesis in geranium leaves using visible light wavelengths obstructed by black paper‚ and red‚ blue‚ and green translucent filters. I. Abstract Photosynthesis is a process in which plants use light‚ water‚ and carbon dioxide to produce sugars‚ water and oxygen. Chlorophyll a and chlorophyll b‚ in the chloroplasts of a leaf‚ are responsible for absorbing wavelengths of light for use in photosynthesis with red and blue wavelengths being optimal. Testing
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