I will be talking about how water can reach a new pH level by interacting with soil. If water has a pH that is too high or too low‚ it can be life threatening to aquatic species and can corrode metal structures. After finding this out‚ I decided to test if water could reach an extreme pH just by interacting with soil around it. The question for this experiment therefore became the following. Will interaction with soil change the pH of water? I hypothesized that if water interacts with soil for three
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How do online communication tools affect us? Communication tools that I am going to talk about are based on network‚ and how do they affect us. The communication tools which are web-based are two main types. It includes social networking sites and instant message. For the social networking sites‚ it includes facebook‚ twitter‚ and Friendster. These are the website which gives people a lot of fun and also some affects. Instant message it includes MSN‚ Yahoo messenger‚ and skype. These help people
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or what a person is. Do people know who they are? Have kids figured out their identity? The answer to these two questions are probably that you haven’t for most people. All of people’s lives they are always told “be yourself”‚ “find your true self” and “don’t be fake” etc. Even though everyone has been told all these things do they know how to find out their identity or even when. What about how certain things affect everyone’s identity? Well outside forces can and will affect everybody’s identity
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How fast is your reaction? Part 1 – How temperature affect the rate of reaction Chemical equation Magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg + 2HCL → MgCl2 + H2 Graph Conclusion and questions 1. What factors/variables did you keep the same in this experiment? * We kept the same volume of hydrochloric acid (10 cm3) and the magnesium ribbon (5cm) because that way we could get a fair test experiment. We also repeated
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the passengers’ reactions to the colored man’s story‚ but to some degree‚ the effects on the reader vary depending on the experiences he or she brings to the text. However‚ without this final description‚ the message many have been interpreted even more differently‚ thus its inclusion is to help ensure that the intent of the colored man’s story is not misconstrued. By including it‚ Du Bois leads his audience and structures the reaction more thoroughly. By examining the reactions of the characters
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Enzyme activity The introduction is a statement of the subject and objectives of the experiment and presents your hypothesis. Relevant background information (appropriately referenced) is given in sufficient detail that a person unfamiliar with the topic can understand the nature of the experiment. A good introduction is clear and concise. Carbohydrates and proteins should be explained in terms of their structure and major functions in cells. Your intro should end with a brief overview of the amylase
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The Earth - it’s an intricate formation of land and sea‚ rock and metal‚ but how can the movements of the continents be explained‚ or how do deep ocean trenches affect us? The three main theories that explain how these things work are sea-floor spreading‚ continental drift‚ and plate tectonics. These are the theories that give us explanation as to why the continents move‚ how plate tectonics work‚ etc. These theories were formed by different scientists and with different forms of evidence‚ some scientists
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HOW FAST ARE CHEMICAL REACTIONS? THEORY The study of reaction rates‚ how fast or how slow a reaction takes place‚ is known as chemical kinetics. The rate of chemical reactions varies greatly. Some reactions‚ such as the explosion of an atom bomb are uncontrollable. Reactions like the decay of radioactive carbon (14C) are so slow that it takes centuries to see any noticeable change. Between the two extremes are reactions that can be measured in the laboratory. There are several factors that
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Mobile phones have become a necessity for life‚ and without this thin gadget‚ many people would feel incomplete. We now use mobile phones in our everyday life as a phone‚ voice recorder‚ diary‚ alarm clock‚ watch and for making and confirming appointments‚ dealing with clients etc. Mobile phones are for many‚ fundamental when organising their lives. Mobile phones are not simply an electronic gadget‚ and it is difficult to define in one way about the usage of mobile phones. With the advances of technology
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for life is unequivocal‚ not only do they help to form the structures of cells but they act as enzymes in reactions of the body1. Enzymes are biological catalysts that lower the amount of activation energy needed in carrying out biochemical reactions1. Enzymes are responsible for almost every reaction that occurs in a cell and is named according to the substrate they specifically affect. An enzyme works best under optimal conditions pertaining to temperature‚ pH level and salt concentration1. In
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