with the most salt will have a lower temperature. Experimental Design List the materials used in this lab‚ and the procedure you followed. Materials: 1.salt 2. tap water 3.small pot Procedure (list steps in the order in which you performed them): 1.put the amount of salt in measuring cup as instructed than adding the tap water to the cup as well 2. Pour the salt concentrated water in to the pot‚ boil the water. 3. recorded the temperatures of the different salinity water Data
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acetylene and determine the ratio of the volume of acetylene to the volume of oxygen for complete combustion. III. Materials: 1000 mL beaker Tap water 4 large test tubes calcium carbide (CaC2) googles and apron matches IV. Procedure: 1) Fill a 1000 mL beaker ¾ full of tap water. 2) Obtain 4 large test tubes. 3) Fill the first test tube 100% full with tap water. Fill the 2nd test tube 50% full‚ the 3rd 25% full‚ and the 4th test tube 7.4% full. 4) Place a small piece of Calcium Carbide (CaC2)
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the water from my tap is moderately soft. Experiment and Observation: In this experiment I developed a familiarity with the concept of water hardness‚ practice a titration technique using a titrator. By finding the total hardness‚ I was analyzing the water sample for the combined concentration of calcium and magnesium ions. When making the buffer‚ the sample turned blue‚ allowing me to get a sense of what color I would be looking for later on in the experiment. I tested my tap water for the total
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2015). Having an adequate supply of clean water is essential for a community to survive (United States Environmental Protection Agency‚ 2015). Honestly‚ I do not drink tap water because I have always thought that it is not clean enough to be in my body. The water tour debunked a lot of myths that I believed in- I used to think that tap water is not safe for me because it has a metallic taste. Although I saw how meticulous the process was of having sewage water purified and even tasting it‚ the thought
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(H2O2). Why was this added? The MnO2 acts like a Catalyst in H2O2 speeding up the breakdown. What can be the manganese dioxide be called when it is used for this purpose? Catalyst 2. What color did the litmus paper turn to when you tested tap water? Red Make a
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Introduction A. AGD: Lets go back in time to July 2012‚ one of the hottest month of the year. THe outdoor temperature is in the highs 80 degrees. You are in desperate need of calming your thirst‚ so you enter a Walgreens‚ and head straight towards the cold beverage aisle. You ask yourself‚ should I grab a soda‚ a orange juice‚ maybe a water. I don’t know what you would choose‚ but I would grab a bottle of water. B. Credibility: I’ve been drinking bottled water ever since I’ve known myself
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In this lab‚ I was testing different temperatures and how it affects the time catalase takes for it to break down peroxide. The problem that i was investigating is how does temperature affect the time it takes for catalase to break down peroxide. My independent variable for this lab was the temperature of the solution the enzyme is in. My dependent variable in this experiment was rate of reaction or the amount of time it takes to sink and rise. My hypothesis is that if the temperature is higher than
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groceries for the dorm. Sally’s mom insisted on getting bottled water for her daughter because of her firm belief that bottled water was safer and cleaner than tap water. Back at the dorm‚ however‚ Sally’s new roommate‚ Jane‚ a sophomore Environmental Studies major‚ argued against this with facts she had learned in class. “Did you know that while tap water is frequently tested to maintain public health and safety‚ bottled water has no guidelines for testing? The fda can’t regulate water that is bottled
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To do so‚ we need to do an experiment. Now‚ if you’re going to do an experiment‚ you’re going to need a hypothesis. Let’s use mine. I said “if we know salt in the ocean’s water can affect its temperature‚ then I wondered if adding salt to regular tap water and bottled water would raise the water’s boiling point and lower its freezing point because even though the ocean doesn’t boil or freeze salt still
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cannot be processed. * spring water ; they are naturally pure and from groundwater as mineral water. No treatment shall be given to them. They are on average three times less expensive than natural mineral waters. * Table water ; they designate tap water bottling. The treatments are tolerated here especially for gasification and of course to ensure its potability. * Home and office delivery (HOD); the Home and Office Delivery is a growing segment‚ accounting for 28% of the volume of bottled
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