Chemistry Solved_Part_52

Chemistry Solved_Part_52 - Week 30 Record distance traveled...

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©2010 Digital Interactive Video Education Week 30 155 Record distance traveled by solvent: ________________in. Chlorphylls have a molecular weight around 900 g/mole, and carotenoids/xanthophylls have molecular weights around 550 g/mole. Did the molecular size/weight effect R f ? What is the % difference in weight between Chlorophyll a (893.5 g/mole) and Chlorophyll b (907.5 g/mole)? Was TLC able to separate these compounds? Molecule Distance traveled (inches) R f Chlorophyll a (green) Chlorophyll b (yellow-green) Xanthophyll (yellow) Carotenoid (red) Carotenoid (orange)
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©2010 Digital Interactive Video Education Week 31 156 LESSON 57: RADIOACTIVITY Assignment: 1) Read textbook pages corresponding to this topic. 2) Defne the Following terms: Radioactivity, alpha particle, beta particle, gamma ray, becquerel, curie, gray, rad, roentgen, rem, nuclear equation, radioactive decay series, half-life, strong nuclear force, nuclear shell model, magic number, belt of stability 3) Watch lecture and take notes. 4)
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This document was uploaded on 10/31/2011 for the course CHM 2046 at University of Florida.

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Chemistry Solved_Part_52 - Week 30 Record distance traveled...

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