Editing revision 9 of Answers To 2011-2012 Review HW For Mass, Sig Fig And Lab Safety Test
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Editing old revision 9. Saving this page will replace the latest revision with this text.
Part I<br> <br> 1. density, speed, etc<br> 2. mass, volume, et<br> 3. rust, corrosive<br> 4. chemical is about grouping not how many groups<br> 5. 2 or more elements chemically combined in a fixed mass ratio<br> 6. separation technique, charateristics, composition<br> 7. homogeneous mixture only needs to be uniform through a single container not between container whereas cpds are constant in both.<br> 8. Applied<br> 9. Hypothesis<br> 10. Controlled<br> 11. Laws are theories that have been greatly testing including in all places. Law just states but theory states and tells why.<br> 12. permanent color change, temp change, precipitate formed, and gas formed (odor).<br> 13. precipitate<br> 14. Law of Conservation of Mass, Energy, Kinetic Molecular (KMT), and Coulombic force<br> 15. All substance are composed of particles that are in constant motion and sometimes interact.<br> 16. kg<br> 17. Discuss in class <br> 18. Kelvin<br> 19. mol<br> 20. Ion(s)<br> 21. Condense, Intermolecular Force (IMF)<br> 22. Particle have enough energy to overcome their IMF and can go anywhere<br> <br> Part II<br> <br> 1. 5<br> 2. e.g. 4.05g<br> 3. 2<br> 4. Precision<br> 5. What math are you doing in final step?<br> 6. 17.18 s = 17.2 s<br> 7. 190L = 200L<br> 8. 202.6 cm<sup>2</sup> = 203 cm<sup>2</sup><br> 9. 307 m<sup>3</sup> = 3.1E2 m<sup>3</sup> or 310 m<sup>3</sup><br> 10. 37.45cm/s = 37.5 cm/s<br> 11. 4.657 L/min = 4.66 L/min<br> 12. 2.722E8 cm<sup>3</sup> = 2.72E8 cm<sup>3</sup><br> <br> <b>For 2019-2020 Answers</b><br> 13. 3.4050E-5cm (3.4050X10<sup>-5</sup>cm)<br> 14. 3.095E7 ft<br> 15.
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