A buffer solution can maintains a narrow range of pH even when strong acid are added. In our experiment‚ we can see water is not a buffer‚ water can undergo very big changes when small amounts of strong acid or strong bases are added. When the strong acid‚ 100µl HCl was added into the dd water‚ the pH value changed from 7.38 to 5.83 which mean the dd water has turn into acid. The same phenomenon occurs while strong base‚ 100µl NaOH was added into the dd water. The pH value changed from 7.07 to 9
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Final Report on the Collapse of World Trade Center Building 7 (WTC 7)‚ and answer the following questions (total 100 points): Please describe: (a) the structural frame of WTC 7‚ and (b) how major loads were transferred in WTC 7. (10 point) The structural frame is the floor systems and bracing members that are responsible for maintaining the vertical stability of the building under the various loads. The structural frame of WTC 7 was designed to distribute the weight of the building and resist
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wrote in a way that was simple and easy to read. He did not use words or phrases that were complicated and he explained things in a very clear way. I would rate Sean Covey’s "7 habits of a highly effective teen" with 3 and a half stars. Reflection When I was originally assigned to read a book called "The 7 Habits of Highly Effective Teens" I must admit I was skeptical. I didn’t consider myself to be one of "those people" who needed self-help books. After reading the book for five minutes
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makes more efficient deliveries and pick-ups for the customers. 4. How has information technology transformed the package delivery business? 5. How does UPS’s investment in IT help it achieve the strategic business objectives described in Chapter
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Solutions for Homelessness This great nation of awesome power and abundant resources is losing the battle against homelessness. The casualties can be seen on the street corners of every city in American holding an "I will work for food" sign. Homeless shelters and rescue missions are at full capacity. There is no room at the inn for the nation’s indigent. Anyone who has studied this issue understands that homelessness is a complex problem. Communities continue to struggle with this socio-economic
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(“The 7 Chakras for Beginners‚” 2009.) Furthermore‚ the root chakra is connected energetically to some organs of the reproductive system‚ hip joints‚ lower back‚ and pelvic area. Some health issues that are believed to correspond with disturbances of the root chakra include lower-back pain‚ sciatica‚ rectal difficulties‚ and some cancers (Seaward‚ 2012‚ p. 73.) Some of the emotional issues tied to the root chakra include survival issues such as financial independence‚ money‚ and food (“The 7 Chakras
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Chapter 9 Connecting to and Setting Up a Network Reviewing the Basics 1. How many bits are in a MAC address? 48 bits 2. How many bits are in an IPv4 IP address? In an IPv6 IP address? 32 bits‚ 128 bits 3. How does a client application identify a server application on another computer on the network? By a port number 4. What are IP addresses called that begin with 10‚ 172.16‚ or 192.168? Private IP addresses 5. In what class is the IP address 185.75.255.10? Class B 6. In what class is the IP address
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Electrolytic Solutions Solutions are sometimes grouped according to their ability to conduct electricity. Substances whose solutions conduct electricity are called electrolytes and those that do not conduct electricity are called nonelectrolytes. Also electrolytes can be strong or weak. Under strong electrolytes we have NaCl and CaCl2 which are ionic compounds‚ HCI‚ HNO3‚ HBr and H2SO4 are under acids and NaOH‚ KOH‚ and LiOH are under bases. Weak electrolytes are ionic compounds and slightly
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Maximum Points: 60 Grade: Let G be the smaller number between 6 and (achieved points+10)/10 Round G exactly to quarters of a grade to get your grade. Examples: 32 points give a 4.25‚ 31 points give a 4 Solution to Homework Set 1 Managerial Economics Fall 2011 Conceptual and Computational Questions 4 points 2. What is the maximum amount you would pay for an asset that gen- 2 pt for a erates an income of $150‚000 at the end of each of five years if the reasonable formula‚ opportunity cost of using
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FINA 200 JMSB - First Sample Final Exam Suggested Solution Section I: 26 Multiple Choice Questions (2 marks each – total of 52 marks) 1. b $15‚000 FV‚ 5 n‚ 4 i‚ COMP PMT = $2‚769 2. a 3. c 3 to 6 months 4. a 5. c 6. a 7. a 8. d 9. a 10. b 11. a 12. b 13. c 14. b 15. b 16. b 17. b 18. c 19. a 20. d 21. a 22. b 23. c 24. c 25. b 26. b Section II: 13 True/False (1 mark each – Total of 13 marks) 27. a 28. a 29. a 30. a 31. a 32. b 33. b 34. b 35. b 36. a 37. a 38. a 39. a Section
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