clothing‚ why is it difficult to clean with water alone? Water cannot remove grease water is polar and grease is non-polar. They are immiscible. So when they are mixed they stay separate. But when soap or detergent is applied to the grease stain with water‚ the substances are allowed to mix. In more scientific terms soap molecules have ionic “heads” that dissolve in water and non polar “tails” that dissolve in grease. 4. Which food substances contain lipids? Are these results expected or not? Explain
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clothes fibers. As an emulsifying agent‚ surfactants can bring water and oil‚ which is originally immiscible‚ together. The hydrophobic tails of the surfactants dissolve in the grease on clothes fibers and the hydrophilic heads of surfactants dissolve in water. The attraction between water molecules and ionic heads lifts the grease from the clothes surface. Upon shaking‚ oil dirt breaks into small oil droplets. The repulsion between the same-charged ionic head on the oil droplets prevent them from coming
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The rebellion was caused by people rebelling against the government. There is lots of theories on what caused this from grease on gun shells to the government in general. Most of the reasons include the mix of religions and rumors. Many things contributed to this it was not just one. Rumors sometimes are more believed than the truth. There most likely was not animal grease on the cartridges but the rumor caused the soldiers to believe there was. The rumor is believed to have originated from the
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history. An example of these problems is relationship problems in “Grease”. The secret relationship between Sandy and Danny creates tension between them. Teen pregnancy is also another problem shown in “Grease”. This problem is still not only happening‚ but is worse than ever before. Teens are still as rebellious as ever. They still want to prove themselves in races and competitions. Teenagers make a lot of jokes. An example of this in “Grease” occurs when three guys moon the live television. Teenagers
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The market is currently saturated with a variety of hair extensions that come from different countries - Brazilian‚ Peruvian and Indian‚ are just to name a few. With so many different types of extensions‚ it can be difficult to know how distinguish between them‚ or even how to properly care for them. To keep things simple‚ these types of hair extensions are also known as virgin hair. The name derives from the fact that these high quality extensions have never been processed. Regardless of the hair
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on the counter. I manage to squeeze my way through the mob of people standing around‚ chatting‚ applying makeup‚ or curling hair and find myself a wonderful seat in front of the mirror. As I sit down I’m overcome with a thick‚ chocking cloud of hairspray. Over the next hour students slowly transform into their characters‚ no longer the same people who walked through the door earlier this evening. The director enters and shouts “Twenty minutes until show!” Myself‚ and everyone one else in
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For example‚ Animals reactions are different than a human’s reactions. Animals might get irritated by hairspray‚ but we humans don’t get irritated. According to Antidote-europe.org‚ the author states‚ “If we expose two different animal species to the same set of circumstances‚ such as a stress situation or exposure to a particular chemical‚ we would be unable
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There is no possible truth than that. School food is made to be served as quickly and as cheaply as possible to all the kids in that school. Meals that are served in this way are bound to be unhealthy‚ as can be ascertained from pizzas with enough grease to fill a pint of milk‚ not to mention the unhealthy choices of milk pints. All of the schools that serve their food this way should know that they need to rework their lunches to make them healthier‚ but not alter them drastically; this will help
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When will we step out of our boundaries to discover what’s on the other side? Throughout history‚ we have idolized many brave heroes for their contributions to society. This was done by their insubordination of the law that allowed us to have the liberty of choices we have today and enlighten others to do the same until we assemble a stable community of equality and ambition. For many centuries‚ humanity has evolved through rebellious efforts by history’s greatest role- models. For instance‚ Martin
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It hasn’t been the days my hair didn’t move with hairspray‚ dressed in the tightest dress I could find‚ or makeup caked on my face. It’s the moments when I’m in my own skin‚ wearing sweatshirts‚ relaxing at home‚ and not worrying about what I look like. It’s the moments where I feel the most comfortable
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