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How Does Intermolecular Polarity Get Affected By A Powerful

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by

Kim Moh

on 14 December 2016

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Transcript of How Does Intermolecular Polarity Get Affected By A Powerful

How Does Intermolecular Polarity Get Affected By Different Amounts of A Powerful Reactor?
Hypothesis:
Hypothesis:
If I drop a large amount of Alka-Selzter tablets into the mixture, then the emulsion between the water and the oil will be affected the most.


Introduction:
Intermolecular polarity is an interesting, engaging topic that had satisfied the interest factor in my head. In this project I will investigate how an example of intermolecular polarity, in this case oil and water emulsion, will be affected by different amounts of a powerful reactor such as an Alka-Seltzer by creating a homemade lava lamp.
Next, it was time to drop in an Alka-Seltzer tablet(trial one out of five)...
Just for a cool effect, I placed the bottle atop a flashlight and it made a neon dance of colors.
Bubbles started forming and breaking through the layers of water, oil and emulsion. (I could see the layer of emulsion as oily water, different from the rest of the water and oil.)
Conclusion
Procedure:
I started out by filling the bottle up one-third of the way with water.
Number of Trials:
I held five total trials. The first trial started with one tablet, the second started with two tablets, the third with three tablets, the fourth with four tablets, and the fifth with five tablets.
Materials:
Materials:
Transparent bottle/container to hold the liquids
Cooking oil
Water
Food coloring
Surfactant (Alka-Seltzer)
Flashlight (optional)
Variables:
Independent variable: The type of mixture used. (oil and water)
Dependent variable: The amounts of the reactor used .(Alka-Seltzer tablets)
Research:
Intermolecular polarity can be simplified as atoms and molecules in a compound exerting certain forces (positive or negative electrical charges) through their bonds and structures. Those electrical charges and their interactions with each other are called polarity. The polarity between two molecules is intermolecular polarity, while polarity within the same molecule are intramolecular polarity (don’t get confused between the two). Polarity underlies a number of physical properties including surface tension, solubility, melting and boiling points. Simply put, the stronger the polarity in a compound, the harder it is to separate them, which makes up for a higher boiling point or surface tension/solubility. An example of intermolecular polarity is emulsion formed when water and oil are mixed. Emulsion is when very small droplets of oil become dissolved in water due to high intermolecular polarity even though their densities are different.
Next, I added some cooking oil three-
fourths of the way up.
Then, I added in some food coloring, which settled to the bottom layer(the water).
Graph/Table with Measurements and Collected Data:
Overall, with my hypothesis correct, I can conclude that with greater amounts of Alka-Seltzer added, more intermolecular polarity decrease was observed.

I had great enjoyment completing such an interesting project. I will definitely be keeping this lava lamp on the highest shelf of my room to see that such a small mixture of substances can contain heaps of science!
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