Surface Tension of Water I. Purpose How does adding soap to water change its surface tension? II. Background Adhesion is the bond between two substances of different makeups. In water‚ adhesion allows it to stick to other surfaces. Cohesion is the bond between two of the same substances. A hydrogen bond is a type of cohesion in water in which the hydrogen atoms of one water molecule being attracted to the oxygen atom of another water molecule. In water‚ each molecule in the middle is pulled
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smelly too. This is because her home is underneath the surface of the earth‚ in the year 3000 aliens attacked our planet‚ ever since they have attacked the earth they have been living underground. Their government talked to the aliens and made a deal every 1000 years there would be a competition. 10 humans and 10 aliens would compete to the death‚ and whichever side won would be able to live on the surface again. No human has been on the surface since the war. The government watches the kids throughout
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alcohol in American culture.” Choose Responsibility. 9/27/08 . The website isn’t just dedicated to the lowering of the drinking age but they are very passionate about educating teenagers and teaching them to “choose responsibly.” The website lists many different alcohol awareness classes and states the purpose of those classes‚ and what age group those classes are designed for. Choose Responsibility gives their own opinion on alcohol education classes
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WS 3.1 The Mole 1. Describe/relate the size of the mole to an everyday object. 2. What is Avogadro’s Number? 3. How many marbles are in a mole of marbles? 4. How many mosquitoes are in a mole of mosquitoes? WS 3.2 Molar Mass Find the molar mass of the following compounds: Show work and include units 1. CO2 2. 3. 4. 5. Fe2O3 6. 7. 8. 9. AgCl 10. 11. 12. 13. Ca3(PO4)2 14. 15. 16. 17. W3(PO3)5 18. 19. 20. 21. Fe(C2H3O2)2 22. 23. 24. 25. Calcium Carbonate 26. 27
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1 How Many Licks Does it Take? Niklas Andersson Saginaw Valley State University of Michigan TOOTSIE ROLL POPS 2 Abstract Tootsie Roll Pops are known for the catch phrase‚ “How many licks does it take to get to the center of a Tootsie Roll Pop?” The phrase was first introduced in an animated commercial in 1970. The whole point of the commercial is that no one will ever know how many licks it takes because you can’t
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between the rate of reaction and the surface area. The larger the surface are‚ the faster the rate of reaction seems to be. However‚ although the grain with the largest surface area (the smallest grain) reached the highest point within the shortest amount of time‚ its end result was still lower then the medium sized grain. The explanation for this result is relatively easy. The rate of a chemical reaction can be increased by increasing the size of the surface area to volume ratio of the solid reactant
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Skimming the Surface of Babbitt Not all of us can have a great escape with that fairy child in our dreams. In Chapter 1 part II of the satirical phenomenon‚ Babbitt‚ by Sinclair Lewis; he really gives you something to ponder. In the previous section Lewis had just ended saying how the city of Zenith was “built-it seemed- for giants”‚ putting this city on a pedestal for its community. This statement is already mocking the citizens of Zenith who are materialistic middle-classmen‚ like Babbitt
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Theoretical Fluid Mechanics Module#1: 1 1. OBJECTIVE The purpose of this module is to investigate hydrostatic forces on a plane surface under partial and full submersion. 2 2. DESCRIPTION The apparatus shown in Figure 1 will be used. It consists of a quarter circle block attached to a cantilevered arm with a rectangular surface on the other end. The pivot point on the arm corresponds to the center of radius of the block. With no water in the tank‚ and no weights on the
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CONVERSIONS – MORE PRACTICE 1. How many moles does 80.0 grams of H2O represent? 2. How many moles does 45.0 grams of C6H12O6 represent? 3. How many moles does 22.0 grams of CO2 represent? 4. How many moles does 56.0 grams of N2 represent? 5. What is the mass of 2.0 moles of LiOH ? 6. What is the mass of 5.0 moles of Ba(CN)2 ? 7. What is the mass of 3.5 moles of water? 8. What is the mass of 0.75 moles of CuSO4 ? 9. How many atoms does 2.0 moles of He represent? 10. How many sodium ions are in 3.0
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Alisha Day How Middle and Lower Class Americans are Manipulated “Why Are Americans So Easy to Manipulate” is an article written by Bruce E. Levine about big corporations using behavior modification techniques to manipulate people into using their products. Levine is a clinical psychologist‚ an author‚ and a social critic from New York City. He graduated from Queens of the City University of New York and received his PhD in clinical psychology from the University of Cincinnati. Levine is
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