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The Dependency Of Particles In Drops On A Candle

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Everything in the world is made of tiny particles that have different amounts of stickiness, are differently sized and spaced, and have different speeds of motion. Particles are sticky, but have different amounts of stickiness. In the lab, Swab the Deck, I saw the alcohol slowly disappear, because the alcohol particles were sticky to the air particles. In the lab, Drops on a Candle, I watched the oil spread out and leave residue while the water stayed in a dome and left no residue, because oil is sticky to wax and water is sticky to itself. Particles are different sizes and spaced differently. In the lab, nosey balloons, I smelled mint through a balloon, because the scent particles were smaller than the balloon particles which allowed the
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Next, we determined the mass of the penny by placing it on a balance. The mass of the penny was 2.47 grams. Afterwards, we placed the penny in a beaker filled with 20 mL of 6 M HCl. In the end we put the beaker in the fume hood and allowed it to sit overnight. During day two of the penny lab, we removed the penny skin from the beaker using tweezers.

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In the “Drops of Water on a Penny” lab, I used the pipette to place 30 drops of regular water on the penny. As I was placing the drops of water on the penny, the water began to form a bubble on the penny, sticking together tightly so that it had risen above the penny. This occurred because of the high surface tension water has due to its hydrogen bonding. On the other penny with the soapy water, I was only able to place 24. Soap is a surfactant to water by interfering the hydrogen bonding and decreasing the surface tension so that the water does not stick to each as well as would have.

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Our hypothesis was partially correct, the property changing substances did have the weakest coherency with the lowest drop counts of 23(carbonated), and 14(soap), and pure water did have the strongest bond. What we also found was the the salt also dampened the liquid’s ability to hold onto a penny in large volumes, as all the different salts had a drop average of 24(28x2 & 16), five less than Tap water’s drop count (30). This led us to conclude that pure water has the strongest bond and that all foreign materials weaken the coherency of water. This evidence has led me to believe that similar substances are attracted and are more coherent towards themselves, in this case the water pieces get separated and generally less connected on a really small level due to the obstruction of foreign objects, this is why the different salts perform better than the huge air bubbles or the slippery properties of soap since the latter is more obstructive and the former dissolves with the water and blocks less. When studying a few other groups’ conclusions and data we did indeed find differences: some groups had differing data where a solution had better coherence than water itself which led to differing conclusions.

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In this lab, the water molecules stick strongly together and

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In conclusion, the dime was able to pull it off and hold more drops than the penny. My hypothesis was incorrect because, I thought the penny would hold more drops than the dime because the penny was bigger and I thought it would absorb more. But the dime held more. Preston and I even ran the tests or investigation three times for each coin. The one question I had was ,what if the penny was stacked 1 time and the dime was stacked one time,would it make a difference ?

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On our paper we predicted the amount of pennies that could fit in the boat before it sank. We tested the boat in the water and added pennies one by one. We then calculated the mass of pennies that fit in the boat and the density of it. The purpose of this Lab was to make a boat that holds as many pennies as possible and understand how to calculate

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Its a tradition in Colombia, for people to light candles all over the streets and their houses during the night of December the 7th. The Day of the Little Candles (Dia de las velitas) lights up the cities at night. Streets, porches, windows, balconies, sidewalks and parks are filled with melting candles, which the wax is a nightmare to pick up the next day. This tradition is so popular schools even celebrate it.

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