3000 for IR-B and from 700 to 1400 for IR-A. Compare the energy of microwaves‚ IR-B‚ and IR-A. Rank from greatest to least energy per photon. To rank items as equivalent‚ overlap them. | SubmitHintsMy AnswersGive UpReview Part Completed Question 2 Consider two different compounds of carbon and oxygen: carbon dioxide‚ ‚ and carbon monoxide‚ . The number of oxygen atoms per carbon atom in is double the number of oxygen atoms per carbon atom in . So we can predict that the mass of oxygen per gram
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Copper vs. Fiber Modern telecommunication networks rely primarily on two types of cable. Older copper cables have been replaced in many cases by fiber optic "light pipes‚" first in undersea cables and major intercity trunks‚ and later directly to many homes and businesses. Principles Copper cables carry information as an electrical signal‚ which may be digital‚ as in phone lines‚ or analogue‚ as in audio speaker cable. In optical fibers‚ however‚ data is carried digitally by light from a laser
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Supplementary Textual Material in Chemistry for Class XI & Class XII 1 Acknowledgements CBSE ADVISORS Shri Vineet Joshi‚ I.A.S.‚ Chairman‚ CBSE Shri Shashi Bhushan‚ Director (Acad.)‚ CBSE CONVENOR & EDITOR Prof. A.K.Bakhshi Department of Chemistry‚ University of Delhi. DEVELOPMENT TEAM Prof. A.K.Bakhshi Department of Chemistry‚ University of Delhi. Dr. Anju Srivastava Hindu College‚ University of Delhi. Dr. Vimal Rarh S.G.T.B. Khalsa College‚ University
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Introduction to Acids Base chemistry Purpose How to determine the constant equilibrium of an acid‚ Ka? How to evaluate the concentration (M) of an acid? In “part A” experiment‚ we would test the PH of different concentration of acetic acid (a weak acid which partially dissociated in water) with a PH probe. After we got the PH‚ we could find out the concentration of H+ by applying the relationship pH = -log [H+]. Having the determined value of [H+] of a weak acid with a known molar concentration
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(3ml) - Toluene (CH3C6H5) (3ml) - Potassium Permanganate solution (KMnO4) .01 mol L-1 (4ml) - Sulfuric Acid (H2SO4) 2mol L-1 (2ml) - Bromine Water (Br2) (5ml) Procedure: Reaction of hydrocarbons with acidified permanganate: 1) Into three separate‚ labeled test tubes place 1 ml of cyclohexane‚ cyclohexene and toluene respectively. 2) In a separate test tube add 4 ml of 0.01mol L-1 KMnO4 to 2 ml of 2mol L-1 H2SO4 3) Add 1 ml of this acidified KMnO4 solution to each of the test tubes containing
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SYLLABUS Cambridge O Level Chemistry 5070 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations 2011 Contents
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Assignment Chapter 2 Concept Explorations 2.25. Average Atomic Mass Part 1: Consider the four identical spheres below‚ each with a mass of 4.00 g. a. Calculate the average mass of a sphere in this sample. (4.00 + 4.00 + 4.00 + 4.00)/4= 16.00/4= 4.00g Part 2: Now consider a sample that consists of four spheres‚ each with a different mass: blue mass is 4.00 g‚ red mass is 3.75 g‚ green mass is 3.00 g‚ and yellow mass is 1.25 g. * a. Calculate the average mass of a sphere in this sample
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G-Shock is a brand of watches manufactured by Casio‚ known for its resistance to shocks (e.g. hard knocks and strong vibrations). They were‚ and continue to be‚ designed primarily for sports‚ military‚ and outdoor adventure oriented activity; for example‚ practically all G-Shocks have some kind of stopwatch feature‚ countdown timer‚ light and water resistance. Recent models have become more luxury and design oriented as well as becoming very popular among youth. The first G-Shock was the DW-5000C
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Project on: Parle Glucose (parle G) Parle products Submitted by: Kunal R. Doctor. Email : kunalrulz@hotmail.com‚ kunal_doctor@yaho.co.in Class: Fybms Division: A Roll. no.: 14 Submitted to: Prof. Parasuram INDEX • INTRODUCTION • PARLE BISCUIT STORY • THE STRENGHT OF BRAND • THE QUALITY COMMITENT • THE MARKETING STRENGTH • THE CUSTOMER CONFIDENCE • PARLE G - THE EVOLUTION!!! • IMPORT - EXPORT • VARIOUS
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or trans) CH2CH3 C) CH3 CH2=CCH2CHCH2CH3 CH3 CH2 D) CH3CH2CCHCH2CH3 CH3 CH3 E) CH3CH2CHCHCH=CH2 CH3 Ans: B 241 Keghan Chapter 8 Topic: Structure Elucidation 2. Ozonolysis of compound Z yields the products shown below. What is the structure of Z? O Z 1) O3 2) Zn‚ HOAc O 2HCH + CH3CCH2CH O I II III O H IV A) B) C) D) E) O V I II III IV V Ans: B 242 Keghan Chapter 8 Topic: Structure Elucidation 3.
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