determine Acid‚ Base‚ and Neutral. On this lab we used 7 different solutions to determine if it’s either base‚ acid‚ and neutral. These are ammonia‚ vinegar; drain cleaner‚ soft drink‚ baking soda‚ detergent‚ and lemon juice are the solutions that are going to be tested in this lab. My hypothesis for these solutions is ammonia is acid‚ vinegar is neutral‚ drain cleaner is base‚ soft drink is base‚ baking soda is base‚ detergent is base‚ and lemon juice is an acid. For the red cabbage it would
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________________ Lab # ________ Partner _____________________ Purpose: To separate a mixture into its components. To learn the technique of chromatography. Materials: filter paper 2.0 ml of vinegar Felt marker pens ruler 400 ml beaker pencil 10 ml graduated cylinder paper clip Water - H2O Safety: Wear goggles and apron during the entire lab. Clean up all materials and lab area. Procedure: 1. Define chromatography:
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Ankur Sindhu Sep 20‚ 2011 CHEM 182-DL1 Prof.: Dr. Nidhal Marashi Lab 1: Colligative Properties & Osmotic Pressure Purpose: The purpose of this laboratory was to gain an understanding of the differences between the freezing points of pure solvent to that of a solvent in a solution with a nonvolatile solute‚ and to compare the two. Secondly‚ osmosis was to be observed to gain a proper understanding of how the principal of dialysis functions. Procedure: 1. Make
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an enzymes that speeds up the production of cheese. 3. First milk is pasteurized by heating it to 72℃ for 15 seconds to kill any harmful bacteria. Then‚ the milk is cooled and either a special blend of bacteria or an acidic solution - such as vinegar or lemon juice - is added. The milk is left for one and half hours while the bacteria converts lactose (a substance called "milk sugar") into lactic acid. This causes the milk to sour and the pH to drop to approximately 4.5. A substance called "rennet"
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facilitated diffusion‚ filtration‚ and osmosis. In our Osmosis Lab I used a Grade a large egg from the grocery store. Its circumference is 5 ½ inches it is smooth with no cracks. I carefully place the egg in a clear plastic cup and fill the cup with vinegar. I immediately notice bubbles covering the egg and sifting upwards towards the top of the cup‚ looking through the cup I can see the egg is slightly suspended in the liquid. Within 25 hours there was white foam covering the egg. I cannot see the egg
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Determining pH Using a Red Cabbage Farnoosh Mazarei Food Microbiology April 22‚ 2011 Purpose: To test the pH level of many common household object by use of the juice from a red cabbage. Background: pH is the measure of the acidity or basicity of a solution. The pH scale ranges from 1 to 14 with 1 through 6 being acidic and 8 through 14 being basic; 7 is considered neutral. The use of the red cabbage‚ or red cabbage juice is because red cabbage can be used as an acid/base indicator
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formed using clay. You’ll need a lot less ’volcano’ material if you make a general volcano shape out of paper and then just cover it with clay. Erupting Volcano Ingredients 1:- warm water 2:- baking soda 3:- liquid dishwashing detergent 4:- vinegar 5:- You can color the lava by adding food coloring or powdered drink mix Make the Chemical Volcano Erupt To cause an eruption‚ fill the bottle most of the way full with warm water. Warm water produces a better eruption than cold water because the
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on the market as silly putty‚gak and just plain old slime but‚ how is it made? and how do different substances affect it? well that’s what this experiment is all about. I will have a base slime and will tweak different attributes of it with borax‚vinegar‚baking soda and water. Borax is a widely known as a laundry detergent and can be used in many ways like a water softener‚disinfectant‚mouthwash and so many other numerous things i can’t even count. The reason for this in this experiment is it reacts
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Develop hypotheses on the ability of oil‚ vinegar‚ and laundry detergent to contaminate groundwater. a. Oil hypothesis = The oil will float to the top of the water and not contaminate the groundwater. b. Vinegar hypothesis = The vinegar will mix with the groundwater therefore contaminating it c. Laundry detergent hypothesis =The laundry detergent will mix with groundwater and change the
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Music‚ Math‚ and Science! by Mary Cozac Children learn concepts and develop through hands-on experiences. They learn to observe‚ question and be curious about their inside and outside environment. When children are encouraged to experiment and discover new things they acquire new concepts and new ideas which they transfer to other areas of development. Planned activities that explore music‚ math‚ and science can teach children many concepts and
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