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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Violent Video Games and Reality Children and adolescents are the actual victims of violent video games‚ not their characters. With the improvement of computer technology‚ the video game market has grown significantly in the past decade. Over time‚ video games have become increasingly realistic and more graphically violent‚ and its undesirable negative effects have been harmful not only to the players‚ but also to the society. So the issue of whether playing violent video games
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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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1.John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years‚ John will be three times as old as Alice. How old is Peter now? 2. John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time‚ the sum of their ages will be 58. How old is John now? 3. Joan is 3 times as old as her sister. In 3 yeas ‚ shee will be two years more than twice the age her sister will be then. What are their ages? 4. Kevin is 4 years older than
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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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Tanya Sanchez ENG 1201 Professor Aldridge Annotated Bibliography Effects of violent video game playing on youth Ward‚ Michael R. "Video Games and Adolescent Fighting." Journal of Law and Economics 53 (2012): 611-28. JSTOR. Web. 5 Nov. 2012. <http://www.jstor.org/stable/10.1086/605509>. There is a link between violence in the context of video games and violence affected by gamers outside of the context of gaming. Psychologists have studied the possible connections between violence
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Week 4 Individual Assignment: Synergetic Solutions Susana Pena COM 530 Mark Busby Univ. of Phoenix February 5‚ 2013 * Describe at least three internal and external forces of change for Synergetic Solutions. * * * The external forces of change for Synergetic Solutions include technology‚ economic shocks‚ and competition. Technology is the one force that has caused for companies in the technology business to stay innovated and have skills be up to date with the needs
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TABLE OF CONTENTS LIST OF CONTENTS PAGE Acknowledgment………………………………………………………………..….....4 Introduction………………………………………………………………………...…5 Analysis…………………………………………………………………………..……5 Problem definition………………………………………………………………..…...5 Exisisting system…………………………………………………………………..…..5 Overview of existing system………………………………………………………......5 System structure…………………………………………………………………
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Refining Solutions Paper How do you protect yourself from becoming a victim of identity theft? A credit card statement with gas charges originating in Louisiana was the first sign of trouble. The owner of the card had not traveled to Louisiana during the dates of the charges‚ which indicated there was a problem. The feeling of anxiety and frustration took over because security was in place to prevent fraud. There are many ways thieves can access one’s personal information. According to CIPPIC
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have cell phones‚ as well as 89% of children have their own laptops‚ and 97% of children and young adults play video games and/or own a gaming system. With the prevalence of video games obvious many adults have started asking themselves how these games affect their children. Should I be worried that my child is playing violent video games? How long should I allow my child to play video games? These questions are ones parents who are raising children in the era of technology should be asking‚ these
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