cap was removed slowly with care‚ controlling the release of bubbles so that the soda water does not form out the top and lose soda water. 3. The opened bottle was left for 1 hour and reweighted. Warming method (uses the reduced water solubility of gas with temperature rise) 1. The open bottle stood carefully on an electric hotplate‚ and stirred using the thermometer to release the gas bubbles. 2. The soda bottle was heated to about 37oC. 3. The bottle and its cap were reweighted
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dispensers in the United States. However‚ that is not the only tactic that fast food chains use to attract children to their restaurants. There are increasing deals between food companies and school districts where the schools advertise fast food and soda‚ starting from elementary school. One company in particular‚ DD Marketing‚ has made numerous deals between food companies
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in strips. This is purely decorative)‚ thumbtack (to attach streamers)‚ 1/2 cup of water‚ 1/2 cup vinegar‚ 1 teaspoon baking soda‚ and outdoorsy place. Lesson: This should be presented as a chemistry experiment. Ask the kids what a chemical reaction is? Did they know they can make gasses out of liquids or solids? What happens if they put things like baking soda and vinegar together? If they don’t know‚ tell them the two create a gas when combined. What’s gonna happen if you combine the
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thing you need to do is hang up the mink coat inside of a brand new‚ and fresh smelling‚ garment bag. Then‚ take some baking soda and spread it along the bottom of the bag. You should use
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uses solar energy to light the household out there living in the dark without electricity. It is inexpensive for it is made from recyclable materials. Solar bottled light bulb is easy to assemble and the procedure use‚ in an empty clear container of soda‚ add at least 1.5 liter mineral water and 2tblespoon of liquid bleach‚ with that it will be covered half of roof sheet and exposed to sunlight. The bottle is inserted halfway through a hole drilled in the metal roof and its sides are sealed. The whole
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unconstitutional calls 1. Obama 2. Spoiling Wall Street 3. Stimulus Package B. Moral Issues 1. Obama Care a. Abortions‚ “free” birth control pills‚ “gay” marriage 2. Lottery a. Essentially taxing the poor V1. Boston Roots A. Both started in Boston Closing Statement: Originating over taxing tea bags in the Boston Harbor to over two hundred years later into collaborative conservative thinking
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the British‚ and therefore‚ led to the American Revolution. One event that made the colonists upset with Britain is the French and Indian War. After the war‚ Greta Britain was in a lot of debt‚ so they had to get money from somewhere. They started taxing the colonies‚ which made them very upset and angry because they didn’t think that they should be the one who had to pay it off. Another event that upset the colonists was the Boston Massacre. Five colonists were killed by British soldiers during a
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Have you ever not thrown away the wrapper from a candy bar? If everyone in the world does not throw away their trash‚ that is 8 billion wrappers in the ocean. We can throw away our trash to reduce this problem. If only half of the world does that‚ that is 4 billion fewer wrappers. Many fish are harmed each year due to plastic pollution. Samantha Ralphson explains how there is too much plastic in the ocean. Ralphson explains “...nearly 8.3 billion metric tons of plastic produced since the 1950s‚ 6
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For my project‚ I had to create my own acid-base indicator and find out what happens when it is placed in an acidic solution (vinegar) and a basic solution (dissolved baking soda). I chose my indicator to be a fruit because fruits can be very effective at determining how acidic or basic a substance is. My fruit was a blueberry‚ but I couldn’t use raw blueberries because it’s not going to give me the best results. I had to make blueberry juice. I did this by placing several blueberries in a blender
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the four materials in your dump truck are ground into a fine powder‚ the Owl Recycling Company will need to carry out a procedure other than what we normally would use to separate them. As you know‚ the materials included aluminum soda cans‚ steel cans‚ milk jugs‚ and soda bottles. We fortunately have many useful tools in our factory such as a conveyor belt‚ a large tank filled with water‚ another tanks with sugar water‚ powerful magnets‚ and nets to skim our tanks. I would like to propose to you
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