"Vinegar as battery" Essays and Research Papers

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    Week 2 Lab Reporting Form

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    Color‚ Etc.) Beaker Observations 1 The water is clear with no distinct smell. 2 The vegetable oil does not mix with the water. Oil on top‚ separated from the water. Oil has a slight yellow look to it. No odor. 3 Vinegar mixes with the water and retains clarity. Has a slight smell of vinegar to it. 4 Laundry detergent changes the water’s clarity to a blue-green color. It has a cloudy appearance. Water now has a soapy smell. 5 Water filters through the soil and has a brown color with sediment. There

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    How To Make A Penny Essay

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    described in chemical formula of Acetic acid‚ a colorless organic compound‚ which has a pH number of 2.4 and reacts with most metals‚ like iron. When making a dull penny clean‚ there are two chemical reactions involved in doing it. One chemical is white vinegar‚ which involves liquid being formed of about acetic acid‚ water‚ and other trace

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    However it was expected to have a pleasant smell‚ but it has a smell like a nail polish in cold water and a vinegar in hot water. While the second test was ethanoic acid and propan-1-ol and it has a similar smell like that of ethanoic acid and ethanol‚ although the product of ethanoic acid and ethanol had a stronger smell but both of them smelled like nail polish remover plus a little vinegar. It was expected to have a pleasant smell‚ but the characteristic flavors and fragrances nature are due to

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    Volcano model

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    The study aimed to find out what ingredient/s together with baking soda and red food coloring will be able to make an unrealistic volcano model “erupt”. Specifically‚ the study aimed to answer the following questions: 1. Will the ingredient/s vinegar‚ together with baking soda and red food coloring be able to make an unrealistic volcano model “erupt”? 2. Will the ingredient/s soy sauce‚ together with baking soda and red food coloring be able to make an unrealistic volcano model “erupt”? 3. Will

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    Bleach Water Lemon juice Vinegar 5 glass test tubes Drying rack Timer Graduated cylinder Hydrogen peroxide Procedure: 1. Place all 5 glass tubes face up in the drying rack 2. Use tweezers and soak one potato cube into water and leave it there for 2 minutes. 3. After 2 minutes‚ use tweezers and place the potato into the first testing tube. 4. Repeat steps 2 and 3 four more times except soaking the other 4 potatoes in baking soda solution‚ bleach‚ vinegar‚ and lemon juice. Place the potatoes

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    refractive index

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    reflection Materials 550 cm Plexiglas Tank Beaker stand Test tube clench Laser pen Meter ruler Angle ruler 1500 ml Water 1500 ml Vegetable oil 1500 ml Vinegar Tape or chalk Overview This lab introduces the basic concepts of refraction and reflection of electromagnetic waves. You will be provided with water‚ vinegar‚ and an unknown solution. A laser pen will act as the wave source. By using trigonometric identities and Snell’s Law‚ you will be able to identify the index of refraction

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    In our lab‚ our objective was to test if water at different temperatures‚ salt‚ and vinegar‚ would affect the reaction rate of Alka Seltzer tablets. However we thought‚ that the size of the tablet would not matter. Therefore‚ we decided to test Alka Seltzer broken into fragment and completely ground up as well as the normal tablet. Hypothesis and Variables: o Hypothesis: We believe that hot water‚ and vinegar will affect the rate of the reaction‚ however‚ the size of the tablet does not matter

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    promotethe use of alternative household cleaners because of the belief that they are environmentally preferable to commercially formulated hardsurface cleaners. These alternative cleaners include food products such as vinegar or baking soda. Townsend‚ J (2007) mentioned that vinegar has versatile properties which can remove stains from many types of fabric. Baking soda is a leavening agent‚ enabling it to remove stains too‚ as stated by Lansky‚ V (2005). Lemon juice is natural and it contains citrus

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    Water Pair a stiff-bristled brush with water and begin the work. This is effective for less stubborn stains and freshly grouted tiles. Be sure to follow a circular motion while you gently scrub the floor‚ then afterwards you may leave it to dry. Vinegar If heavier dirt and mild stains are starting to

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    Osmotic Egg Lab

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    then filled it with vinegar‚ took a piece of plastic wrap and put it around the top of the cup. We put an elastic band around the plastic wrap to keep the vinegar from spilling. We kept the egg in the vinegar for forty-eight hours. On day two‚ we got our eggs out of the storing box thing‚ took the rubber band off‚ also the plastic wrap. We threw the plastic wrap away then poured the vinegar out of the cup. Took the egg out‚ and rubbed the shell off the egg because the vinegar deteriorated the shell

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