eventually turn purple. The hydrochloric acid reacts with the solution and makes the colors change‚ when you add more than a certain amount the color becomes darker. When the tablet went into the water it made the water start spinning. The dry ice started steaming up because when dry ice and water react they start producing carbon dioxide gasses. Hydrochloric acid and dry ice mixed and the water started to change colors from yellow to light green to dark green to dark blue/purple. The dry ice
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a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame Element | Color of Flame | Barium | Lime neon green | Calcium | Red | Sodium | Yellow | Rubidium | Purple | Potassium | Blue | Lithium | Dark Pink | | | 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. Unknown 1 was Sodium and Unknown 2 was Potassium. I compared and contrasted
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Digestion Lab Abstract – The purpose of this lab was to understand how different solutions played a role in the digestion protein. By looking at different variables‚ such as temperature‚ and pH we’re capable of understanding just how certain substances functioned and when they didn’t. The data for all labs are clear and concise and give a clear understanding of what solutions work best. All three labs were placed in a warm water bath set at 37’C to stimulate the reaction as if it were taking place
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Brighter homes. Inspiring homes. Home Decorative Lighting Collection‚ 2009-2010 How do you create a space that is comforting? How do you create a decor that is inspiring? How do you create a home that is inviting? 4 Have you noticed how some homes seem to sparkle and draw us in? They radiate character and seem to glow. The magic of light is the answer‚ for it comforts you‚ energises you‚ and turns your house into a home. Philips Home Decorative Lighting Collection offers an enchanting
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of chlorophyll (the green light-gathering pigment). As chlorophyll gradually breaks down‚ the colors of the more stable carotenoid (yellow/orange) and anthocyanin (red/blue/purple) pigments become visible. Some years the leaves of a particular species are bright yellow‚ while other years they may appear redder or even purple. Although no one can accurately predict the timing or coloration of each year’s show‚ we do know that there is a chemical basis for it. Anthocyanins (Figure I) are responsible
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sales • 5 years earlier- introduced Red Pens using same technology at 3% premium • Recently‚ introduced Purple Pens using same technology at 10% premium. Classic Pen Company – Issues facing the Management ISSUE 1 - Profitability While Red & Purple pens seem to be more profitable‚ overall profitability of the company is falling ISSUE 2 - Pricing ISSUE 3 – Product Mix Process for Red and Purple pens require more resources (set-up time etc.) cfgfhhjhbjkCV ISSUE 4 – Internal Processes “Tough
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g which corresponded to a 4.63 % yield. The synthesizing process of SnI4 showed distinctive changes. After the addition of dichloromethane the solution turned to a purple color‚ this then turned into a purple-burgundy colour after gravity filtration; the desired colour was observed only when vacuum filtration was applied. The purple solution turned into damp orange crystals and after thorough drying the crystals were a bright‚ dry and dusty orange. The average melting point range of the final product
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pink or purple/violet d) In a positive test for lipids the substance would leave a translucent stain on the brown paper bag 2. The purpose of testing the four test tubes was to ensure that the colour change that occurred in the substance was due to a chemical change and not the substance being added to it. 3. The student saw a colour change happen because the heat causes the biuret to chemically react with the protein. The reaction should change the colour of the mixture from blue to purple in appositive
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Questions 1. Not all black inks contain the same pigments. The black inks that are made up of more than one pigment are a combination of different colors. 2. Our purple ink appeared to be a single pigment. Different solvents of purple could be tested to see if they also have one pigment like our purple did. After many different purples compare the results. 3. It is necessary to keep the water level below the ink spots because the water will move up the beaker and bring the pigments with it.
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GRAPHIC DESIGN Name and Logo: The name C’et La Vie Francaise together with its Chinese name “生活 法兰西” being indirectly translated aims to deliver the message that this is a place specially offering French products. The rectangular logo is composed of purple background and white letters and characters.
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