Properties of Water Lab # 1 Biology 111 January 23‚ 2011 INTRODUCTION With surface tension it is made possible for items such as paper clips to float on water‚ because a molecule within the mass of a liquid encounters gravity to all adjacent molecules in all directions. When you use surfactant substances this creates hydrogen bonds. Purpose of experiment 1 will be to show that once the surfactant substances hits the hydrogen bond pulls down paper clips. Things
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Manhattan was hit by water contamination‚ Bikoff set out to buy bottled water and found that except for the brand name‚ there was very little difference between the different brands of bottled water sold. Bikoff was looking for additional nutritional value rather than plain water. Finding none‚ he started conducting an in-depth study about different companies making bottled water. He found that he could use vapor distillation to create an alternative to bottled water. Bottled water was generally procured
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market to meet the demand of consumers for coconut water which is not being provided by any company in the market although the mobile vendors are providing coconut water to the people to some extent. As mobile vendors are not available everywhere in every time‚ it is easy for any company to skim money from the market by selling bottled coconut water. Moreover‚ coconut water contains promising amount of nutrition which is good for anyone. It can be bottled without adding any preservative. Furthermore‚
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Investigating pH Aim: To demonstrate dissolved carbon dioxide changing the ph level of substances. Materials: * 2 beakers * 2 straws * Stop watch * Distilled water * Lime water * Litmus Paper Method: 1. Pour 100ml of Distilled water into the first beaker‚ and label said beaker. 2. Pour 100ml of Lime water into the second‚ also Label beaker. 3. Test the two liquids with litmus paper and note the ph level‚ before any carbon dioxide has been introduced. 4. Place a straw
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Drinking water or potable water is water safe enough to be consumed by humans or used with low risk of immediate or long term harm. In most developed countries‚ the water supplied to households‚ commerce and industry meets drinking water standards‚ even though only a very small proportion is actually consumed or used in food preparation. Typical uses (for other than potable purposes) include toilet flushing‚ washing and landscape irrigation. Chlorination is the process of adding the element chlorine to water as
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The Environmental Impact of Carbon Dioxide (CO2) Carbon Dioxide (CO2)‚ a chemical made up of one carbon atom and two oxygen atoms‚ is a non-flammable‚ odorless and colorless gas that exists naturally in the atmosphere. CO2 is one of the greenhouse gases‚ amongst methane‚ nitrous oxide and other gases‚ which keeps the Earth’s temperature habitable (UCAR). Without it‚ the Earth will be inhospitably cold. However‚ ever since the mid-nineteenths century‚ humans have significantly increased the amount
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Outline: Reusable Water Bottles I. Introduction A. 50 billion plastic water bottles end up in the U.S. landfills each year. That’s 140 million every day! That is enough‚ laid end to end‚ to reach China and back each day. (“Tap water vs bottled water..”) B. According to our class survey‚ more than half of the class buys water bottles more frequently than others. C. I‚ myself‚ use to buy bottled water almost everyday‚ at school‚ work and the gym. II. Thematic Statement
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of the Earth is water. Roughly‚ 70 percent of an adult’s body is water. One of life’s most important necessity is water. Without it‚ no living being would be alive.Even in the first book of the bible‚ it was one of the first creations. Water is the driving force of life‚ and a big debate has begun about it‚ whether bottled or tap water is better. Tap water is better because of the reduction of waste‚ it’s less costly‚ and it’s healthier. Tap water is better than bottled water because of the reduction
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activities at night. Although the process of photosynthesis is quite fast‚ it isn’t fast or high enough to keep up with the rate of energy required during activities for human. Adding to that‚ an important component in photosynthesis is carbon dioxide‚ without carbon dioxide‚ photosynthesis can’t occur. If we were to perform photosynthesis‚ from where are going to get
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